{"id":825,"date":"2026-02-27T08:36:51","date_gmt":"2026-02-27T08:36:51","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=825"},"modified":"2026-03-09T01:03:13","modified_gmt":"2026-03-09T01:03:13","slug":"what-is-a-press-brake","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/what-is-a-press-brake\/","title":{"rendered":"M\u00e1y ch\u1ea5n t\u00f4n l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn v\u1ec1 gia c\u00f4ng ch\u00ednh x\u00e1c"},"content":{"rendered":"

M\u00f9a xu\u00e2n n\u0103m ngo\u00e1i, t\u00f4i c\u00f3 m\u1ed9t c\u1eadu b\u00e9 ch\u1ea1y m\u1ed9t thanh th\u00e9p kh\u00f4ng g\u1ec9 14 gauge d\u00e0i 10 feet th\u1eb3ng v\u00e0o khu\u00f4n nh\u01b0 th\u1ec3 \u0111ang d\u1eabm nho. C\u00f9i xu\u1ed1ng. D\u1eebng c\u1ee9ng. C\u1eadu \u1ea5y ngh\u0129 r\u1eb1ng nhi\u1ec1u \u00e1p l\u1ef1c h\u01a1n s\u1ebd t\u1ea1o ra \u0111\u1ed9 cong ch\u1eb7t h\u01a1n.<\/p>\n\n\n\n

K\u1ebft qu\u1ea3 c\u1eadu \u1ea5y nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 m\u1ed9t chi ti\u1ebft 92 \u0111\u1ed9, trong khi b\u1ea3n v\u1ebd y\u00eau c\u1ea7u 90 \u0111\u1ed9. Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

C\u1eadu \u1ea5y ngh\u0129 nhi\u1ec7m v\u1ee5 c\u1ee7a m\u00e1y l\u00e0 \u0111\u1ea9y. Kh\u00f4ng ph\u1ea3i v\u1eady.<\/p>\n\n\n\n

M\u00e1y ch\u1ea5n t\u00f4n kh\u00f4ng ch\u1ec9 l\u00e0 m\u00e1y u\u1ed1n\u2014n\u00f3 l\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n l\u1ef1c<\/h2>\n\n\n\n

H\u00e3y \u0111\u1ee9ng tr\u01b0\u1edbc m\u00e1y ch\u1ea5n khi n\u00f3 v\u1eadn h\u00e0nh. D\u1ee5ng c\u1ee5 tr\u00ean (ch\u00e0y) \u0111i xu\u1ed1ng v\u00e0o khu\u00f4n d\u01b0\u1edbi h\u00ecnh ch\u1eef V. T\u1ea5m kim lo\u1ea1i kh\u00f4ng g\u1eadp l\u1ea1i v\u00ec b\u1ecb \u201c\u00e9p.\u201d N\u00f3 u\u1ed1n v\u00ec l\u1ef1c \u0111\u01b0\u1ee3c truy\u1ec1n \u1edf m\u1ed9t \u0111\u1ed9 s\u00e2u c\u1ee5 th\u1ec3, v\u1edbi m\u1ed9t kh\u1ea9u \u0111\u1ed9 c\u1ee5 th\u1ec3, c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i l\u1ea1i c\u1ee5 th\u1ec3 (xu h\u01b0\u1edbng kim lo\u1ea1i tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u sau khi b\u1ecf l\u1ef1c \u00e9p).<\/p>\n\n\n\n

Thay \u0111\u1ed5i l\u1ef1c, d\u1ee5ng c\u1ee5 ho\u1eb7c \u0111\u1ed9 s\u00e2u ch\u1ec9 m\u1ed9t ch\u00fat, l\u00e0 g\u00f3c s\u1ebd thay \u0111\u1ed5i.<\/p>\n\n\n\n

H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: c\u1edd l\u00ea l\u1ef1c kh\u00f4ng \u201csi\u1ebft ch\u1eb7t bu-l\u00f4ng.\u201d N\u00f3 truy\u1ec1n m\u1ed9t l\u01b0\u1ee3ng l\u1ef1c xo\u1eafn \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n. M\u00e1y ch\u1ea5n kh\u00f4ng \u201cu\u1ed1n kim lo\u1ea1i.\u201d N\u00f3 truy\u1ec1n l\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ec3 kim lo\u1ea1i \u0111\u1ea1t t\u1edbi g\u00f3c m\u1ee5c ti\u00eau.<\/p>\n\n\n\n

B\u1ecf qua \u0111i\u1ec1u \u0111\u00f3, b\u1ea1n kh\u00f4ng v\u1eadn h\u00e0nh m\u00e1y\u2014b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c v\u1edbi th\u00e9p.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i t\u01b0 duy t\u00f4i mu\u1ed1n b\u1ea1n th\u1ef1c hi\u1ec7n th\u1eadt \u0111\u01a1n gi\u1ea3n: ng\u1eebng ngh\u0129 v\u1ec1 chuy\u1ec3n \u0111\u1ed9ng (c\u00f9i \u0111i xu\u1ed1ng) v\u00e0 b\u1eaft \u0111\u1ea7u ngh\u0129 v\u1ec1 k\u1ebft qu\u1ea3 (g\u00f3c \u0111\u1ea1t \u0111\u01b0\u1ee3c).<\/p>\n\n\n\n

T\u1eeb \u201cBrake\u201d trong Press Brake: T\u1ea1i sao l\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean theo vi\u1ec7c d\u1eebng v\u00e0 nghi\u1ec1n?<\/h3>\n\n\n\n

T\u1eeb \u201cbrake\u201d kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb phanh \u00f4 t\u00f4. N\u00f3 \u0111\u1ebfn t\u1eeb m\u1ed9t thu\u1eadt ng\u1eef c\u0169 \u0111\u1ec3 ch\u1ec9 vi\u1ec7c u\u1ed1n t\u1ea5m kim lo\u1ea1i\u2014\u201cbraking\u201d ngh\u0129a l\u00e0 g\u1ea5p d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\n\n\n\n

\""Phanh"<\/figure>\n\n\n\n

M\u00e1y ch\u1ea5n c\u01a1 kh\u00ed th\u1eddi \u0111\u1ea7u s\u1eed d\u1ee5ng b\u00e1nh \u0111\u00e0 quay l\u00e0m kho n\u0103ng l\u01b0\u1ee3ng. Nh\u1ea5n b\u00e0n \u0111\u1ea1p, ly h\u1ee3p \u0103n kh\u1edbp, v\u00e0 c\u00f9i \u0111i xu\u1ed1ng theo m\u1ed9t h\u00e0nh tr\u00ecnh c\u1ed1 \u0111\u1ecbnh. Nhanh. M\u1ea1nh. Kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c gi\u1eefa chu k\u1ef3.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng th\u1ec3 \u201cc\u1ea3m nh\u1eadn\u201d \u0111\u1ec3 u\u1ed1n. B\u1ea1n ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec h\u00e0nh tr\u00ecnh m\u00e1y mang l\u1ea1i.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf \u0111\u00f3 cho b\u1ea1n th\u1ea5y \u0111i\u1ec1u g\u00ec. M\u00e1y \u0111\u01b0\u1ee3c x\u00e2y \u0111\u1ec3 truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef trong m\u1ed9t h\u00e0nh tr\u00ecnh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, ch\u1ee9 kh\u00f4ng ph\u1ea3i nghi\u1ec1n kim lo\u1ea1i cho \u0111\u1ebfn khi th\u1ea5y v\u1eeba m\u1eaft. Khi h\u1ecdc vi\u1ec7c \u0111\u1ed1i x\u1eed v\u1edbi n\u00f3 nh\u01b0 m\u00e1y nghi\u1ec1n, h\u1ecd \u00e9p s\u00e1t c\u00e1c chi ti\u1ebft v\u1ed1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed\u2014v\u00e0 \u0111\u1ed9t nhi\u00ean t\u1ea5m th\u00e9p 4\u00d78 c\u00f3 m\u1ed9t v\u1ebft g\u1ea5p s\u00e1ng b\u00f3ng s\u1ebd n\u1ee9t \u1edf b\u01b0\u1edbc t\u1ea1o h\u00ecnh ti\u1ebfp theo.<\/p>\n\n\n\n

M\u1ed9t l\u1ea7n thi\u1ebft l\u1eadp sai. M\u1ed9t t\u1ea5m b\u1ecb h\u1ecfng.<\/p>\n\n\n\n

C\u00e1i t\u00ean v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i, nh\u01b0ng \u00fd ngh\u0129a \u0111\u00e3 thay \u0111\u1ed5i. \u201cBrake\u201d lu\u00f4n l\u00e0 v\u1ec1 vi\u1ec7c g\u1ea5p \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, kh\u00f4ng ph\u1ea3i nghi\u1ec1n n\u00e1t.<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> M\u00e1y ch\u1ea5n \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean theo vi\u1ec7c g\u1ea5p \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, kh\u00f4ng ph\u1ea3i nghi\u1ec1n n\u00e1t\u2014h\u00e3y \u0111\u1ed1i x\u1eed v\u1edbi n\u00f3 nh\u01b0 v\u1eady.<\/p>\n\n\n\n

T\u1ea1i sao \u201cpressing\u201d l\u00e0 t\u1eeb g\u00e2y hi\u1ec3u nh\u1ea7m cho nh\u1eefng g\u00ec th\u1ef1c s\u1ef1 \u0111ang di\u1ec5n ra<\/h3>\n\n\n\n

\u201cT\u1eeb \u201dnh\u1ea5n\u2019 khi\u1ebfn ng\u01b0\u1eddi ta ngh\u0129 c\u00f4ng vi\u1ec7c l\u00e0 \u00e1p l\u1ef1c cho \u0111\u1ebfn khi kim lo\u1ea1i ch\u1ecbu khu\u1ea5t ph\u1ee5c.<\/p>\n\n\n\n

\"T\u1ea1i<\/figure>\n\n\n\n

Nh\u01b0ng trong u\u1ed1n kh\u00ed\u2014ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t\u2014ch\u00e0y kh\u00f4ng bao gi\u1edd ch\u1ea1m \u0111\u00e1y khu\u00f4n. N\u00f3 \u0111\u1ea9y t\u1ea5m kim lo\u1ea1i m\u1ed9t ph\u1ea7n v\u00e0o khe ch\u1eef V. G\u00f3c cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c v\u00e0o ba y\u1ebfu t\u1ed1: \u0111\u1ed9 s\u00e2u ch\u00e0y, chi\u1ec1u r\u1ed9ng m\u1edf c\u1ee7a khu\u00f4n, v\u00e0 \u0111\u1ed9 h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n t\u0103ng l\u1ef1c \u00e9p m\u00e0 kh\u00f4ng thay \u0111\u1ed5i \u0111\u1ed9 s\u00e2u, b\u1ea1n s\u1ebd kh\u00f4ng t\u1ef1 nhi\u00ean c\u00f3 \u0111\u01b0\u1ee3c g\u00f3c kh\u00e1c. B\u1ea1n ch\u1ee7 y\u1ebfu l\u00e0m c\u0103ng d\u1ee5ng c\u1ee5 v\u00e0 khung m\u00e1y. T\u00f4i \u0111\u00e3 th\u1ea5y nhi\u1ec1u ng\u01b0\u1eddi c\u1ed1 s\u1eeda l\u1ed7i g\u00f3c b\u1eb1ng c\u00e1ch t\u0103ng l\u1ef1c \u00e9p, v\u00e0 k\u1ebft qu\u1ea3 duy nh\u1ea5t h\u1ecd \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0 thanh \u00e9p b\u1ecb cong v\u00e0 vai khu\u00f4n b\u1ecb n\u1ee9t.<\/p>\n\n\n\n

H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: b\u1ea1n kh\u00f4ng \u00e9p \u0111\u1ea5t s\u00e9t v\u00e0o khu\u00f4n. B\u1ea1n \u0111ang u\u1ed1n m\u1ed9t d\u1ea7m (t\u1ea5m kim lo\u1ea1i) qua hai \u0111i\u1ec3m t\u1ef1a (vai khu\u00f4n) v\u1edbi m\u1ed9t t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf gi\u1eefa (ch\u00e0y). \u0110\u00f3 l\u00e0 c\u01a1 h\u1ecdc v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n.<\/p>\n\n\n\n

L\u1ef1c l\u00e0 \u0111\u1ea7u v\u00e0o. G\u00f3c l\u00e0 \u0111\u1ea7u ra.<\/p>\n\n\n\n

Khi b\u1ea1n hi\u1ec3u \u0111i\u1ec1u \u0111\u00f3, \u201cnh\u1ea5n\u201d kh\u00f4ng c\u00f2n l\u00e0 m\u1ee5c ti\u00eau. Cung c\u1ea5p \u0111\u00fang l\u1ef1c, \u0111\u00fang \u0111\u1ed9 s\u00e2u, v\u1edbi \u0111\u00fang d\u1ee5ng c\u1ee5\u2014\u0111\u00f3 m\u1edbi l\u00e0 c\u00f4ng vi\u1ec7c.<\/p>\n\n\n\n

V\u1eady n\u1ebfu kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ea9y m\u1ea1nh h\u01a1n, th\u00ec b\u1ea1n \u0111ang ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c c\u00e1i g\u00ec?<\/p>\n\n\n\n

Bi\u1ebfn s\u1ed1 m\u00e0 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng b\u1ecf qua: g\u00f3c u\u1ed1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, kh\u00f4ng ph\u1ea3i m\u1eb7c \u0111\u1ecbnh<\/h3>\n\n\n\n

T\u00f4i s\u1ebd \u0111\u01b0a b\u1ea1n m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n t\u1ea1i x\u01b0\u1edfng. C\u00f9ng th\u00e9p m\u1ec1m d\u00e0y 0.125 inch. C\u00f9ng ch\u00e0y. Thay khu\u00f4n d\u01b0\u1edbi t\u1eeb khe ch\u1eef V r\u1ed9ng 1 inch sang khe ch\u1eef V r\u1ed9ng 1.5 inch. Ch\u1ea1y c\u00f9ng \u0111\u1ed9 s\u00e2u \u0111\u00e3 l\u1eadp tr\u00ecnh.<\/p>\n\n\n\n

\"Bi\u1ebfn<\/figure>\n\n\n\n

B\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 c\u00f9ng g\u00f3c.<\/p>\n\n\n\n

Khe ch\u1eef V r\u1ed9ng h\u01a1n gi\u1ea3m l\u1ef1c c\u1ea7n thi\u1ebft nh\u01b0ng t\u0103ng \u0111\u1ed9 h\u1ed3i. T\u1ea5m kim lo\u1ea1i u\u1ed1n d\u1ec5 h\u01a1n, n\u00ean n\u00f3 h\u1ed3i l\u1ea1i nhi\u1ec1u h\u01a1n khi thanh \u00e9p r\u00fat l\u00ean. N\u1ebfu b\u1ea1n kh\u00f4ng t\u00ednh to\u00e1n \u0111i\u1ec1u \u0111\u00f3, b\u1ea1n s\u1ebd c\u1ea7m m\u1ed9t chi ti\u1ebft 93 \u0111\u1ed9 tr\u00ean tay v\u00e0 t\u1ef1 h\u1ecfi chuy\u1ec7n g\u00ec \u0111\u00e3 x\u1ea3y ra.<\/p>\n\n\n\n

G\u00f3c kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee9 b\u1ea1n hy v\u1ecdng. N\u00f3 l\u00e0 th\u1ee9 b\u1ea1n t\u00ednh to\u00e1n t\u1eeb \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, \u0111\u1ed9 b\u1ec1n k\u00e9o, chi\u1ec1u r\u1ed9ng khu\u00f4n, v\u00e0 b\u00e1n k\u00ednh ch\u00e0y. Sau \u0111\u00f3 b\u1ea1n ki\u1ec3m tra b\u1eb1ng th\u01b0\u1edbc \u0111o g\u00f3c ho\u1eb7c \u0111\u1ed3ng h\u1ed3 \u0111o g\u00f3c tr\u00ean chi ti\u1ebft \u0111\u1ea7u ti\u00ean. M\u1ed7i chu k\u1ef3 sau \u0111\u00f3 l\u00e0 s\u1ef1 l\u1eb7p l\u1ea1i c\u1ee7a m\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

M\u00e1y hi\u1ec7n \u0111\u1ea1i th\u1eadm ch\u00ed c\u00f2n s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n tr\u1ee5c Y1 v\u00e0 Y2 \u0111\u1ed9c l\u1eadp\u2014\u0111\u1ecbnh v\u1ecb ri\u00eang bi\u1ec7t \u1edf m\u1ed7i b\u00ean c\u1ee7a thanh \u00e9p\u2014\u0111\u1ec3 gi\u1eef g\u00f3c nh\u1ea5t qu\u00e1n tr\u00ean m\u1ed9t \u0111o\u1ea1n u\u1ed1n d\u00e0i 10 feet. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ee9c m\u1ea1nh th\u00f4. \u0110\u00f3 l\u00e0 s\u1ef1 cung c\u1ea5p l\u1ef1c \u0111\u1ed3ng b\u1ed9.<\/p>\n\n\n\n

Khi ng\u01b0\u1eddi m\u1edbi b\u1ecf qua g\u00f3c nh\u01b0 bi\u1ebfn s\u1ed1 th\u1ef1c s\u1ef1 c\u1ea7n ki\u1ec3m so\u00e1t, h\u1ecd l\u1ea1i ch\u1ea1y theo \u0111\u1ed9 s\u00e2u, l\u1ef1c \u00e9p ho\u1eb7c t\u1ed1c \u0111\u1ed9. V\u00e0 \u0111\u00f3 l\u00e0 c\u00e1ch kim lo\u1ea1i t\u1ed1t bi\u1ebfn th\u00e0nh ph\u1ebf li\u1ec7u \u0111\u1eaft ti\u1ec1n.<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Tr\u00ean m\u00e1y ch\u1ea5n t\u00f4n, b\u1ea1n kh\u00f4ng ki\u1ec3m so\u00e1t \u201cxu\u1ed1ng\u201d\u2014b\u1ea1n ki\u1ec3m so\u00e1t g\u00f3c, ho\u1eb7c b\u1ea1n kh\u00f4ng ki\u1ec3m so\u00e1t g\u00ec c\u1ea3.<\/p>\n\n\n\n

C\u00e1ch m\u00e1y ch\u1ea5n t\u00f4n th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng: Theo d\u00f5i m\u1ed9t t\u1ea5m kim lo\u1ea1i qua to\u00e0n b\u1ed9 chu tr\u00ecnh<\/h2>\n\n\n\n

B\u1ea1n c\u00f3 b\u1ea3n v\u1ebd y\u00eau c\u1ea7u m\u1ed9t g\u1edd 90 \u0111\u1ed9, c\u00e1ch m\u00e9p 2.000 inch \u0111\u1ebfn \u0111\u01b0\u1eddng u\u1ed1n, tr\u00ean th\u00e9p m\u1ec1m d\u00e0y 0.125 inch. B\u1ea1n \u0111\u00e3 ch\u1ecdn ch\u00e0y v\u00e0 khu\u00f4n ch\u1eef V r\u1ed9ng 1 inch. B\u1ea1n bi\u1ebft \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u. B\u1ea1n bi\u1ebft kho\u1ea3ng b\u1ec1n k\u00e9o. V\u1eady l\u00e0m sao \u0111\u1ec3 c\u00e0i m\u00e1y \u0111\u1ec3 chi ti\u1ebft \u0111\u1ea7u ti\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 \u0111o\u00e1n?<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng b\u1eaft \u0111\u1ea7u v\u1edbi \u201cxu\u1ed1ng bao nhi\u00eau\u201d. B\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi kh\u1ea5u tr\u1eeb u\u1ed1n v\u00e0 g\u00f3c m\u1ee5c ti\u00eau. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n CNC s\u1eed d\u1ee5ng chi\u1ec1u r\u1ed9ng khu\u00f4n v\u00e0 d\u1eef li\u1ec7u v\u1eadt li\u1ec7u \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 s\u00e2u l\u00fd thuy\u1ebft nh\u1eb1m \u0111\u1ea1t 90 \u0111\u1ed9 sau khi h\u1ed3i. \u0110\u1ed9 s\u00e2u \u0111\u00f3 kh\u00f4ng t\u00f9y \u00fd\u2014n\u00f3 g\u1eafn li\u1ec1n v\u1edbi h\u00ecnh h\u1ecdc. Thay \u0111\u1ed5i chi\u1ec1u r\u1ed9ng khu\u00f4n ho\u1eb7c \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u, th\u00ec \u0111\u1ed9 s\u00e2u t\u00ednh to\u00e1n c\u0169ng thay \u0111\u1ed5i theo.<\/p>\n\n\n\n

Sau \u0111\u00f3 chu tr\u00ecnh b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

M\u1ed7i l\u1ea7n u\u1ed1n l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t: \u0111\u1ecbnh v\u1ecb, k\u1eb9p, h\u1ea1 xu\u1ed1ng, t\u1ea1o h\u00ecnh, h\u1ed3i, nh\u1ea3. B\u1ecf qua b\u1ea5t k\u1ef3 l\u1edbp n\u00e0o v\u00e0 c\u00e1c ph\u00e9p t\u00ednh b\u1ea1n tin t\u01b0\u1edfng tr\u00ean m\u00e0n h\u00ecnh s\u1ebd s\u1ee5p \u0111\u1ed5 t\u1ea1i d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

H\u00e3y c\u00f9ng theo d\u00f5i m\u1ed9t t\u1ea5m kim lo\u1ea1i xuy\u00ean su\u1ed1t qu\u00e1 tr\u00ecnh.<\/p>\n\n\n\n

B\u01b0\u1edbc 1\u2014\u0110\u1ecbnh v\u1ecb: T\u1ea1i sao th\u01b0\u1edbc \u0111o l\u00f9i CNC l\u00e0 \u201canh h\u00f9ng th\u1ea7m l\u1eb7ng\u201d c\u1ee7a \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n\n\n\n

Tr\u01b0\u1ee3t t\u1ea5m kim lo\u1ea1i \u0111\u00f3 l\u00ean b\u00e0n v\u00e0 \u0111\u1ea9y n\u00f3 v\u1ec1 ph\u00eda sau cho \u0111\u1ebfn khi ch\u1ea1m v\u00e0o c\u00e1c ng\u00f3n c\u1ee7a th\u01b0\u1edbc \u0111o l\u00f9i CNC. Nh\u1eefng ng\u00f3n \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111i\u1ec3m d\u1eebng. Ch\u00fang l\u00e0 thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng servo, th\u01b0\u1eddng ch\u00ednh x\u00e1c \u0111\u1ebfn v\u00e0i ph\u1ea7n ngh\u00ecn inch.<\/p>\n\n\n\n

N\u1ebfu m\u00e9p g\u1ea5p c\u1ee7a b\u1ea1n ph\u1ea3i l\u00e0 2.000 inch, v\u00e0 th\u01b0\u1edbc \u0111o l\u00f9i l\u1ec7ch 0.020, th\u00ec \u0111\u01b0\u1eddng g\u1ea5p s\u1ebd d\u1ecbch chuy\u1ec3n 0.020. G\u00f3c c\u00f3 th\u1ec3 ho\u00e0n h\u1ea3o nh\u01b0ng chi ti\u1ebft v\u1eabn tr\u01b0\u1ee3t ki\u1ec3m tra v\u00ec chi\u1ec1u d\u00e0i ch\u00e2n sai. Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng \u0111\u1ed5 l\u1ed7i cho g\u00f3c g\u1ea5p. Th\u1ef1c ra l\u00e0 do v\u1ecb tr\u00ed.<\/p>\n\n\n\n

H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: m\u00e1y ch\u1ea5n t\u1ea1o ra m\u1ed9t g\u00f3c d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng trong kh\u00f4ng gian. Th\u01b0\u1edbc \u0111o l\u00f9i quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1eddng \u0111\u00f3 n\u1eb1m \u1edf \u0111\u00e2u. N\u1ebfu \u0111\u01b0\u1eddng sai, m\u1ecdi th\u1ee9 sau \u0111\u00f3 s\u1ebd sai ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

Gi\u1edd th\u00eam m\u1ed9t l\u1edbp n\u1eefa. M\u00e1y ch\u1ea5n hi\u1ec7n \u0111\u1ea1i d\u00f9ng hai tr\u1ee5c \u0111\u1ed9c l\u1eadp\u2014Y1 v\u00e0 Y2\u2014\u0111i\u1ec1u khi\u1ec3n hai b\u00ean tr\u00e1i v\u00e0 ph\u1ea3i c\u1ee7a thanh ram. N\u1ebfu ch\u00fang h\u01a1i l\u1ec7ch nh\u1ecbp, m\u1ed9t b\u00ean ch\u00e0y s\u1ebd ch\u1ea1m tr\u01b0\u1edbc. Tr\u00ean m\u1ed9t chi ti\u1ebft d\u00e0i 10 feet, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra g\u00f3c h\u00ecnh n\u00eam\u201489 \u0111\u1ed9 \u1edf m\u1ed9t \u0111\u1ea7u, 91 \u1edf \u0111\u1ea7u kia. Th\u01b0\u1edbc \u0111o l\u00f9i gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng ram s\u1ebd lu\u00f4n song song. N\u1ebfu m\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n, v\u1ecb tr\u00ed \u201cch\u00ednh x\u00e1c\u201d c\u1ee7a b\u1ea1n s\u1ebd t\u1ea1o ra m\u1ed9t g\u00f3c g\u1ea5p b\u1ecb xo\u1eafn.<\/p>\n\n\n\n

M\u1ed9t l\u1ea7n l\u1ec7ch hi\u1ec7u chu\u1ea9n. M\u1ed9t l\u00f4 t\u1ea5m panel kh\u00f4ng th\u1ec3 n\u1eb1m ph\u1eb3ng khi l\u1eafp r\u00e1p.<\/p>\n\n\n\n

Th\u01b0\u1edbc \u0111o l\u00f9i kh\u00f4ng u\u1ed1n kim lo\u1ea1i. N\u00f3 quy\u1ebft \u0111\u1ecbnh n\u01a1i v\u1eadt l\u00fd s\u1ebd di\u1ec5n ra.<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> N\u1ebfu \u0111\u01b0\u1eddng g\u1ea5p kh\u00f4ng n\u1eb1m ch\u00ednh x\u00e1c \u1edf v\u1ecb tr\u00ed b\u1ea1n ngh\u0129, \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c s\u1ebd kh\u00f4ng c\u1ee9u \u0111\u01b0\u1ee3c chi ti\u1ebft.<\/p>\n\n\n\n

B\u01b0\u1edbc 2\u2014K\u1eb9p v\u00e0 h\u1ea1 xu\u1ed1ng: Ram l\u00e0m g\u00ec v\u00e0 t\u1ea1i sao t\u1ed1c \u0111\u1ed9 quan tr\u1ecdng \u1edf \u0111\u00e2y<\/h3>\n\n\n\n

B\u1ea1n nh\u1ea5n n\u00fat kh\u1edfi \u0111\u1ed9ng chu tr\u00ecnh. Ram di chuy\u1ec3n xu\u1ed1ng nhanh l\u00fac \u0111\u1ea7u\u2014t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn. Ch\u01b0a c\u00f3 t\u1ea3i. Ch\u1ec9 l\u00e0 \u0111\u00f3ng kho\u1ea3ng c\u00e1ch.<\/p>\n\n\n\n

Sau \u0111\u00f3 n\u00f3 ch\u1eadm l\u1ea1i tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac. S\u1ef1 ch\u1eadm l\u1ea1i n\u00e0y kh\u00f4ng ph\u1ea3i \u0111\u1ec3 t\u1ea1o k\u1ecbch t\u00ednh. N\u00f3 \u0111\u1ec3 ki\u1ec3m so\u00e1t. Kho\u1ea3nh kh\u1eafc ch\u00e0y ch\u1ea1m v\u00e0o t\u1ea5m, l\u1ef1c t\u0103ng nhanh. T\u1ed1c \u0111\u1ed9 qu\u00e1 cao khi ti\u1ebfp x\u00fac v\u00e0 m\u00e1y s\u1ebd v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 s\u00e2u l\u1eadp tr\u00ecnh tr\u01b0\u1edbc khi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n k\u1ecbp ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n

Tr\u00ean m\u00e1y ch\u1ea5n servo \u0111i\u1ec7n, chuy\u1ec3n \u0111\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ed9ng b\u1edfi tr\u1ee5c v\u00edt bi. Ch\u00fang ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 tuy\u1ec7t v\u1eddi cho v\u1eadt li\u1ec7u m\u1ecfng \u0111\u1ebfn trung b\u00ecnh. Nh\u01b0ng ch\u00fang c\u00f3 gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn. \u0110\u1ea9y ch\u00fang v\u00e0o v\u00f9ng th\u00e9p t\u1ea5m d\u00e0y v\u00e0 b\u1ea1n s\u1ebd ch\u1ea1m tr\u1ea7n. Th\u1ee7y l\u1ef1c, ng\u01b0\u1ee3c l\u1ea1i, c\u00f3 th\u1ec3 cung c\u1ea5p l\u1ef1c n\u00e9n l\u1edbn c\u1ea3 ng\u00e0y, nh\u01b0ng b\u1ea1n ph\u1ea3i qu\u1ea3n l\u00fd s\u1ef1 n\u00e9n c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a van thay v\u00ec truy\u1ec1n \u0111\u1ed9ng c\u01a1 h\u1ecdc tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n

C\u00e1c lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng kh\u00e1c nhau, h\u00e0nh vi kh\u00e1c nhau d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

V\u00e0 t\u1ea3i thay \u0111\u1ed5i ch\u00ednh b\u1ea3n th\u00e2n m\u00e1y. D\u01b0\u1edbi l\u1ef1c n\u00e9n l\u1edbn, b\u00e0n v\u00e0 ram h\u01a1i cong. N\u1ebfu kh\u00f4ng c\u00f3 crowning\u2014m\u1ed9t c\u01a1 ch\u1ebf b\u00f9 \u0111i\u1ec1u ch\u1ec9nh tr\u01b0\u1edbc \u0111\u1ec3 u\u1ed1n cong b\u00e0n\u2014b\u1ea1n s\u1ebd g\u1eb7p hi\u1ec7n t\u01b0\u1ee3ng \u201cchi\u1ebfc xu\u1ed3ng\u201d: g\u00f3c ch\u1eb7t h\u01a1n \u1edf hai \u0111\u1ea7u, m\u1edf \u1edf gi\u1eefa. Ram \u0111\u00e3 l\u00e0m \u0111\u00fang \u0111\u1ed9 s\u00e2u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. Khung m\u00e1y v\u1eabn d\u1ecbch chuy\u1ec3n.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 quan tr\u1ecdng v\u00ec h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u1ea7n th\u1eddi gian \u0111o l\u1ef1c c\u1ea3n v\u00e0 d\u1eebng \u1edf \u0111\u1ed9 s\u00e2u t\u1ea1o h\u00ecnh ch\u00ednh x\u00e1c. Qu\u00e1 nhanh, b\u1ea1n s\u1ebd v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m t\u00ednh to\u00e1n. Qu\u00e1 ch\u1eadm, b\u1ea1n l\u00e3ng ph\u00ed th\u1eddi gian chu tr\u00ecnh m\u00e0 kh\u00f4ng t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

\u0110i\u1ec1u th\u1ef1c s\u1ef1 x\u1ea3y ra \u1edf \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 \u201cram \u0111i xu\u1ed1ng\u201d. \u0110\u00f3 l\u00e0 l\u1ef1c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u0103ng l\u00ean \u0111\u1ebfn ng\u01b0\u1ee1ng t\u00ednh to\u00e1n, tr\u00ean m\u1ed9t c\u1ea5u tr\u00fac u\u1ed1n cong d\u01b0\u1edbi t\u1ea3i, \u0111\u01b0\u1ee3c b\u00f9 trong th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n

Sai c\u00e2n b\u1eb1ng v\u00e0 b\u1ea1n kh\u00f4ng c\u00f2n u\u1ed1n n\u1eefa\u2014b\u1ea1n \u0111ang th\u1eed \u0111\u1ed9 b\u1ec1n khung m\u00e1y b\u1eb1ng v\u1eadt li\u1ec7u c\u1ee7a kh\u00e1ch h\u00e0ng trong khu\u00f4n.<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> T\u1ed1c \u0111\u1ed9 ram kh\u00f4ng ph\u1ea3i v\u1ec1 vi\u1ec7c v\u1ed9i v\u00e0ng hay th\u1eadn tr\u1ecdng\u2014m\u00e0 l\u00e0 \u0111\u1ec3 m\u00e1y c\u00f3 th\u1eddi gian \u0111\u1ea1t \u0111\u00fang l\u1ef1c v\u00e0 \u0111\u1ed9 s\u00e2u m\u00e0 t\u00ednh to\u00e1n g\u00f3c y\u00eau c\u1ea7u.<\/p>\n\n\n\n

B\u01b0\u1edbc 3\u2014B\u00e0i to\u00e1n h\u1ed3i l\u00f2 xo: T\u1ea1i sao kim lo\u1ea1i kh\u00f4ng bao gi\u1edd \u1edf nguy\u00ean v\u1ecb tr\u00ed b\u1ea1n \u0111\u1eb7t n\u00f3<\/h3>\n\n\n\n

C\u00fa \u0111\u1ea5m \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 s\u00e2u \u0111\u00e3 l\u1eadp tr\u00ecnh. Tr\u00ean m\u00e0n h\u00ecnh, n\u00f3 b\u00e1o r\u1eb1ng b\u1ea1n \u0111\u00e3 \u0111\u1ea1t con s\u1ed1 s\u1ebd t\u1ea1o ra g\u00f3c 90 \u0111\u1ed9.<\/p>\n\n\n\n

B\u1ea1n r\u00fat tr\u1ee5c \u00e9p.<\/p>\n\n\n\n

Chi ti\u1ebft m\u1edf ra th\u00e0nh 92 \u0111\u1ed9.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng h\u1ed3i l\u00f2 xo\u2014s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i c\u1ee7a kim lo\u1ea1i sau khi b\u1ea1n b\u1ecf t\u1ea3i. M\u1ed7i v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y (n\u01a1i n\u00f3 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n) v\u00e0 ph\u1ea1m vi \u0111\u00e0n h\u1ed3i (n\u01a1i n\u00f3 mu\u1ed1n tr\u1edf l\u1ea1i). U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed n\u1eb1m \u1edf s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa hai y\u1ebfu t\u1ed1 n\u00e0y. B\u1ea1n \u00e9p v\u01b0\u1ee3t qua gi\u1edbi h\u1ea1n ch\u1ea3y v\u1eeba \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n, bi\u1ebft r\u1eb1ng s\u1ebd c\u00f3 m\u1ed9t ch\u00fat ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i x\u1ea3y ra.<\/p>\n\n\n\n

Th\u00e9p m\u1ec1m c\u00f3 th\u1ec3 h\u1ed3i l\u00f2 xo 1 \u0111\u1ebfn 2 \u0111\u1ed9 \u1edf \u0111\u1ed9 d\u00e0y th\u00f4ng th\u01b0\u1eddng. Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 b\u1eadt l\u1ea1i 2 \u0111\u1ebfn 5 \u0111\u1ed9 t\u00f9y theo m\u00e1c v\u00e0 \u0111\u1ed9 t\u00f4i. Ngay c\u1ea3 trong c\u00f9ng m\u1ed9t m\u00e1c, c\u00e1c l\u00f4 nhi\u1ec7t kh\u00e1c nhau c\u0169ng c\u00f3 h\u00e0nh vi kh\u00e1c nhau. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y 20 chi ti\u1ebft t\u1ed1t, n\u1ea1p m\u1ed9t t\u1ea5m m\u1edbi t\u1eeb l\u00f4 kh\u00e1c, v\u00e0 \u0111\u1ed9t nhi\u00ean l\u1ea1i ph\u1ea3i \u0111u\u1ed5i theo g\u00f3c.<\/p>\n\n\n\n

V\u1eady ch\u00fang ta l\u00e0m g\u00ec? Ch\u00fang ta u\u1ed1n qu\u00e1. N\u1ebfu d\u1ef1 \u0111o\u00e1n h\u1ed3i l\u00f2 xo 2 \u0111\u1ed9, ch\u00fang ta l\u1eadp tr\u00ecnh cho 88 \u0111\u1ed9 \u0111\u1ec3 sau khi nh\u1ea3 s\u1ebd \u0111\u1ea1t 90 \u0111\u1ed9. C\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 d\u00f9ng h\u1ec7 th\u1ed1ng \u0111o g\u00f3c \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ef1 \u0111\u1ed9ng, nh\u01b0ng nguy\u00ean t\u1eafc kh\u00f4ng thay \u0111\u1ed5i: b\u1ea1n kh\u00f4ng bao gi\u1edd \u0111\u1ea1t ch\u00ednh x\u00e1c nh\u1eefng g\u00ec b\u1ea1n t\u1ea1o ra khi c\u00f2n t\u1ea3i.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fac \u00fd t\u01b0\u1edfng truy\u1ec1n l\u1ef1c ph\u00e1t huy t\u00e1c d\u1ee5ng. B\u1ea1n kh\u00f4ng u\u1ed1n theo m\u1ee5c ti\u00eau th\u1ecb gi\u00e1c. B\u1ea1n \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t u\u1ed1n qu\u00e1 t\u00ednh to\u00e1n d\u1ef1a tr\u00ean h\u00e0nh vi v\u1eadt li\u1ec7u \u0111\u00e3 bi\u1ebft, x\u00e1c minh tr\u00ean chi ti\u1ebft \u0111\u1ea7u ti\u00ean, r\u1ed3i kh\u00f3a th\u00f4ng s\u1ed1 l\u1ea1i.<\/p>\n\n\n\n

B\u1ecf qua h\u1ed3i l\u00f2 xo, v\u00e0 c\u00e0i \u0111\u1eb7t \u0111\u1ed9 s\u00e2u \u201cho\u00e0n h\u1ea3o\u201d c\u1ee7a b\u1ea1n s\u1ebd bi\u1ebfn th\u00e0nh m\u1ed9t ch\u1ed3ng chi ti\u1ebft \u0111\u1ec1u m\u1edf 2 \u0111\u1ed9. V\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Lu\u00f4n l\u1eadp tr\u00ecnh cho v\u1ecb tr\u00ed m\u00e0 kim lo\u1ea1i s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c sau khi n\u00f3 th\u01b0 gi\u00e3n, kh\u00f4ng ph\u1ea3i v\u1ecb tr\u00ed khi n\u00f3 c\u00f2n d\u01b0\u1edbi c\u00fa \u0111\u1ea5m.<\/p>\n\n\n\n

B\u01b0\u1edbc 4\u2014Nh\u1ea3 v\u00e0 L\u1eb7p l\u1ea1i: C\u00e1ch th\u1eddi gian chu k\u1ef3 c\u1ed9ng d\u1ed3n th\u00e0nh chi ph\u00ed s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n

Tr\u1ee5c \u00e9p r\u00fat l\u1ea1i. Th\u01b0\u1edbc \u0111o sau di chuy\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed ti\u1ebfp theo. B\u1ea1n xoay ho\u1eb7c l\u1eadt chi ti\u1ebft cho l\u1ea7n u\u1ed1n ti\u1ebfp theo.<\/p>\n\n\n\n

M\u1ed9t chu k\u1ef3 c\u00f3 th\u1ec3 m\u1ea5t 10 gi\u00e2y v\u1edbi m\u1ed9t gi\u00e1 \u0111\u1ee1 nh\u1ecf. Nghe c\u00f3 v\u1ebb kh\u00f4ng \u0111\u00e1ng k\u1ec3 cho \u0111\u1ebfn khi b\u1ea1n ch\u1ea1y 3.000 chi ti\u1ebft. Ti\u1ebft ki\u1ec7m m\u1ed9t gi\u00e2y m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 b\u1ea1n ti\u1ebft ki\u1ec7m g\u1ea7n m\u1ed9t gi\u1edd th\u1eddi gian m\u00e1y. Th\u00eam m\u1ed9t gi\u00e2y do do d\u1ef1 ho\u1eb7c ch\u1ec9nh s\u1eeda, v\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3 gi\u00e1 c\u1ea3 tu\u1ea7n.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 c\u00e1i b\u1eaby: ch\u1ea1y theo t\u1ed1c \u0111\u1ed9 tr\u01b0\u1edbc khi chi ti\u1ebft \u0111\u1ea7u ti\u00ean \u0111\u1ea1t chu\u1ea9n.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n v\u1ed9i v\u00e0ng thi\u1ebft l\u1eadp, b\u1ecf qua ki\u1ec3m tra chi ti\u1ebft \u0111\u1ea7u ti\u00ean, ho\u1eb7c b\u1ecf qua s\u1ef1 l\u1ec7ch g\u00f3c nh\u1eb9 tr\u00ean b\u00e0n, b\u1ea1n kh\u00f4ng ch\u1ec9 m\u1ea5t v\u00e0i gi\u00e2y. B\u1ea1n m\u1ea5t c\u1ea3 l\u00f4 h\u00e0ng. Chi ph\u00ed s\u1ea3n xu\u1ea5t kh\u00f4ng t\u0103ng \u0111\u1ec1u \u0111\u1eb7n\u2014n\u00f3 t\u0103ng v\u1ecdt khi b\u1ea1n ph\u00e1t hi\u1ec7n 200 chi ti\u1ebft c\u00f3 l\u1ed7i 1 \u0111\u1ed9 kh\u00f4ng kh\u1edbp v\u1edbi c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n\n\n\n

Th\u1eddi gian chu k\u1ef3 l\u00e0 c\u1ed9ng d\u1ed3n. L\u1ed7i c\u0169ng v\u1eady.<\/p>\n\n\n\n

M\u1ed9t v\u1eadn h\u00e0nh m\u00e1y ch\u1ea5n t\u1ed1t tr\u00f4ng g\u1ea7n nh\u01b0 nh\u00e0m ch\u00e1n: t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 u\u1ed1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, g\u00f3c \u0111\u01b0\u1ee3c x\u00e1c minh, v\u1ecb tr\u00ed th\u01b0\u1edbc \u0111o sau l\u1eb7p l\u1ea1i ch\u00ednh x\u00e1c. M\u00e1y kh\u00f4ng c\u0103ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh kh\u00f4ng \u0111o\u00e1n. C\u00e1c con s\u1ed1 tr\u00ean m\u00e0n h\u00ecnh kh\u1edbp v\u1edbi h\u00ecnh d\u1ea1ng trong tay b\u1ea1n.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ee9c m\u1ea1nh th\u00f4. \u0110\u00f3 l\u00e0 s\u1ef1 l\u1eb7p l\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n.<\/p>\n\n\n\n

V\u00e0 khi b\u1ea1n th\u1ea5y to\u00e0n b\u1ed9 chu k\u1ef3\u2014\u0111\u1ecbnh v\u1ecb, h\u1ea1 xu\u1ed1ng c\u00f3 ki\u1ec3m so\u00e1t, l\u1ef1c b\u00f9, u\u1ed1n qu\u00e1 t\u00ednh to\u00e1n, l\u1eb7p l\u1ea1i\u2014b\u1ea1n b\u1eaft \u0111\u1ea7u nh\u1eadn ra m\u1ed9t \u0111i\u1ec1u: ch\u00ednh ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n thay \u0111\u1ed5i l\u01b0\u1ee3ng h\u1ed3i l\u00f2 xo b\u1ea1n ph\u1ea3i x\u1eed l\u00fd, l\u01b0\u1ee3ng l\u1ef1c \u00e9p b\u1ea1n c\u1ea7n, v\u00e0 m\u1ee9c \u0111\u1ed9 khung m\u00e1y b\u1ecb bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y \u0111\u1eb7t ra c\u00e2u h\u1ecfi ti\u1ebfp theo: n\u1ebfu chu k\u1ef3 v\u1eabn gi\u1eef nguy\u00ean, th\u00ec vi\u1ec7c thay \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n s\u1ebd thay \u0111\u1ed5i k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Trong s\u1ea3n xu\u1ea5t, m\u1ed9t gi\u00e2y ti\u1ebft ki\u1ec7m \u0111\u00fang c\u00e1ch t\u1ea1o ra l\u1ee3i nhu\u1eadn; m\u1ed9t \u0111\u1ed9 sai t\u1ea1o ra ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

B\u01b0\u1edbc<\/th>Ti\u00eau \u0111\u1ec1<\/th>N\u1ed9i dung<\/th>\u0110i\u1ec3m r\u00fat ra<\/th><\/tr><\/thead>
B\u01b0\u1edbc 1<\/td>\u0110\u1ecbnh v\u1ecb: V\u00ec sao th\u01b0\u1edbc \u0111o sau CNC l\u00e0 anh h\u00f9ng th\u1ea7m l\u1eb7ng c\u1ee7a \u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>Th\u01b0\u1edbc \u0111o sau CNC \u0111\u1ecbnh v\u1ecb t\u1ea5m kim lo\u1ea1i b\u1eb1ng c\u00e1c ng\u00f3n tay \u0111i\u1ec1u khi\u1ec3n servo v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn ph\u1ea7n ngh\u00ecn inch. N\u1ebfu th\u01b0\u1edbc \u0111o sau b\u1ecb l\u1ec7ch, \u0111\u01b0\u1eddng u\u1ed1n s\u1ebd d\u1ecbch chuy\u1ec3n \u2014 ngay c\u1ea3 khi g\u00f3c u\u1ed1n ho\u00e0n h\u1ea3o \u2014 g\u00e2y h\u1ecfng chi ti\u1ebft do chi\u1ec1u d\u00e0i ch\u00e2n sai. M\u00e1y ch\u1ea5n t\u1ea1o ra g\u00f3c u\u1ed1n, nh\u01b0ng th\u01b0\u1edbc \u0111o sau quy\u1ebft \u0111\u1ecbnh v\u1ecb tr\u00ed g\u00f3c \u0111\u00f3 trong kh\u00f4ng gian. C\u00e1c m\u00e1y ch\u1ea5n hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng tr\u1ee5c Y1 v\u00e0 Y2 \u0111\u1ed9c l\u1eadp; n\u1ebfu kh\u00f4ng \u0111\u1ed3ng b\u1ed9, ch\u00fang t\u1ea1o ra g\u00f3c thu\u00f4n tr\u00ean c\u00e1c chi ti\u1ebft d\u00e0i. Vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y v\u00e0 c\u0103n ch\u1ec9nh k\u1ebft c\u1ea5u \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a u\u1ed1n. Th\u01b0\u1edbc \u0111o sau quy\u1ebft \u0111\u1ecbnh n\u01a1i di\u1ec5n ra qu\u00e1 tr\u00ecnh u\u1ed1n theo nguy\u00ean l\u00fd v\u1eadt l\u00fd.<\/td>N\u1ebfu \u0111\u01b0\u1eddng g\u1ea5p kh\u00f4ng n\u1eb1m ch\u00ednh x\u00e1c \u1edf v\u1ecb tr\u00ed b\u1ea1n ngh\u0129, \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c s\u1ebd kh\u00f4ng c\u1ee9u \u0111\u01b0\u1ee3c chi ti\u1ebft.<\/td><\/tr>
B\u01b0\u1edbc 2<\/td>K\u1eb9p v\u00e0 h\u1ea1 xu\u1ed1ng: Ram l\u00e0m g\u00ec v\u00e0 v\u00ec sao t\u1ed1c \u0111\u1ed9 quan tr\u1ecdng \u1edf \u0111\u00e2y<\/td>Ram h\u1ea1 nhanh \u1edf t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn, sau \u0111\u00f3 ch\u1eadm l\u1ea1i tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac \u0111\u1ec3 ki\u1ec3m so\u00e1t. T\u1ed1c \u0111\u1ed9 qu\u00e1 cao khi ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 g\u00e2y v\u01b0\u1ee3t qu\u00e1 tr\u01b0\u1edbc khi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ph\u1ea3n \u1ee9ng. M\u00e1y ch\u1ea5n servo-\u0111i\u1ec7n s\u1eed d\u1ee5ng v\u00edt me bi \u2014 ch\u00ednh x\u00e1c nh\u01b0ng gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn \u2014 trong khi h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c cung c\u1ea5p l\u1ef1c n\u00e9n cao nh\u01b0ng ph\u1ea3i qu\u1ea3n l\u00fd \u0111\u1ed9ng l\u1ef1c ch\u1ea5t l\u1ecfng. Khi ch\u1ecbu t\u1ea3i, b\u00e0n v\u00e0 ram b\u1ecb bi\u1ebfn d\u1ea1ng; h\u1ec7 th\u1ed1ng b\u00f9 v\u1ed3ng (crowning) b\u00f9 cho \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 tr\u00e1nh g\u00f3c u\u1ed1n kh\u00f4ng \u0111\u1ec1u (hi\u1ec7u \u1ee9ng \u201ccanoe\u201d). T\u1ed1c \u0111\u1ed9 ph\u00f9 h\u1ee3p cho ph\u00e9p h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111o l\u1ef1c c\u1ea3n v\u00e0 d\u1eebng \u1edf \u0111\u1ed9 s\u00e2u u\u1ed1n ch\u00ednh x\u00e1c. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 l\u1ef1c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u0103ng l\u00ean \u0111\u1ebfn ng\u01b0\u1ee1ng t\u00ednh to\u00e1n tr\u00ean m\u1ed9t k\u1ebft c\u1ea5u \u0111ang u\u1ed1n.<\/td>T\u1ed1c \u0111\u1ed9 ram kh\u00f4ng ph\u1ea3i v\u1ec1 vi\u1ec7c v\u1ed9i v\u00e0ng hay th\u1eadn tr\u1ecdng\u2014m\u00e0 l\u00e0 \u0111\u1ec3 m\u00e1y c\u00f3 th\u1eddi gian \u0111\u1ea1t \u0111\u00fang l\u1ef1c v\u00e0 \u0111\u1ed9 s\u00e2u m\u00e0 t\u00ednh to\u00e1n g\u00f3c y\u00eau c\u1ea7u.<\/td><\/tr>
B\u01b0\u1edbc 3<\/td>B\u00e0i to\u00e1n h\u1ed3i \u0111\u00e0n: V\u00ec sao kim lo\u1ea1i kh\u00f4ng bao gi\u1edd \u1edf nguy\u00ean v\u1ecb tr\u00ed b\u1ea1n \u0111\u1eb7t<\/td>Sau khi u\u1ed1n v\u00e0 nh\u1ea3, kim lo\u1ea1i h\u1ed3i \u0111\u00e0n do s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i. C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 l\u00f4 s\u1ea3n xu\u1ea5t kh\u00e1c nhau c\u00f3 h\u00e0nh vi h\u1ed3i \u0111\u00e0n kh\u00e1c nhau. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh b\u00f9 b\u1eb1ng c\u00e1ch u\u1ed1n qu\u00e1 d\u1ef1a tr\u00ean m\u1ee9c h\u1ed3i \u0111\u00e0n d\u1ef1 ki\u1ebfn (v\u00ed d\u1ee5: l\u1eadp tr\u00ecnh 88\u00b0 \u0111\u1ec3 \u0111\u1ea1t 90\u00b0). C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng \u0111o g\u00f3c, nh\u01b0ng nguy\u00ean t\u1eafc v\u1eabn l\u00e0: b\u1ea1n ph\u1ea3i t\u00ednh \u0111\u1ebfn s\u1ef1 gi\u00e3n ra sau khi b\u1ecf t\u1ea3i. U\u1ed1n th\u00e0nh c\u00f4ng \u0111\u00f2i h\u1ecfi u\u1ed1n qu\u00e1 c\u00f3 t\u00ednh to\u00e1n v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u00ean s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean.<\/td>Lu\u00f4n l\u1eadp tr\u00ecnh cho v\u1ecb tr\u00ed m\u00e0 kim lo\u1ea1i s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c sau khi n\u00f3 th\u01b0 gi\u00e3n, kh\u00f4ng ph\u1ea3i v\u1ecb tr\u00ed khi n\u00f3 c\u00f2n d\u01b0\u1edbi c\u00fa \u0111\u1ea5m.<\/td><\/tr>
B\u01b0\u1edbc 4<\/td>Nh\u1ea3 v\u00e0 l\u1eb7p l\u1ea1i: C\u00e1ch th\u1eddi gian chu k\u1ef3 c\u1ed9ng d\u1ed3n th\u00e0nh chi ph\u00ed s\u1ea3n xu\u1ea5t<\/td>M\u1ed7i chu k\u1ef3 u\u1ed1n bao g\u1ed3m vi\u1ec7c r\u00fat ram, \u0111\u1ecbnh v\u1ecb l\u1ea1i th\u01b0\u1edbc \u0111o sau v\u00e0 x\u1eed l\u00fd chi ti\u1ebft. Ti\u1ebft ki\u1ec7m th\u1eddi gian nh\u1ecf s\u1ebd c\u1ed9ng d\u1ed3n \u0111\u00e1ng k\u1ec3 trong c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t l\u1edbn. Tuy nhi\u00ean, \u01b0u ti\u00ean t\u1ed1c \u0111\u1ed9 tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean c\u00f3 nguy c\u01a1 g\u00e2y l\u1ed7i h\u00e0ng lo\u1ea1t t\u1ed1n k\u00e9m. S\u1ef1 nh\u1ea5t qu\u00e1n v\u1ec1 t\u1ed1c \u0111\u1ed9, \u0111\u1ecbnh v\u1ecb v\u00e0 ki\u1ec3m tra g\u00f3c \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i. Hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n, kh\u00f4ng ph\u1ea3i s\u1ee9c m\u1ea1nh th\u00f4.<\/td>Trong s\u1ea3n xu\u1ea5t, m\u1ed9t gi\u00e2y ti\u1ebft ki\u1ec7m \u0111\u00fang c\u00e1ch t\u1ea1o ra l\u1ee3i nhu\u1eadn; m\u1ed9t \u0111\u1ed9 sai t\u1ea1o ra ph\u1ebf li\u1ec7u.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

D\u1ee5ng c\u1ee5 quy\u1ebft \u0111\u1ecbnh g\u00f3c: U\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y vs. ch\u1ea1m \u0111\u00e1y vs. \u00e9p ch\u1eb7t<\/h2>\n\n\n\n

B\u1ea1n v\u1eadn h\u00e0nh c\u00f9ng m\u1ed9t m\u00e1y. C\u00f9ng ng\u01b0\u1eddi v\u1eadn h\u00e0nh. C\u00f9ng t\u1ea5m kim lo\u1ea1i. \u0110i\u1ec1u duy nh\u1ea5t b\u1ea1n thay \u0111\u1ed5i l\u00e0 thi\u1ebft l\u1eadp d\u1ee5ng c\u1ee5 v\u00e0 \u0111\u1ed9 s\u00e2u \u00e9p.<\/p>\n\n\n\n

M\u1ed9t c\u00f4ng vi\u1ec7c c\u1ea7n 40 t\u1ea5n v\u00e0 h\u1ed3i \u0111\u00e0n 2 \u0111\u1ed9. C\u00f4ng vi\u1ec7c kh\u00e1c c\u1ea7n g\u1ea5p ba l\u1ef1c n\u00e9n v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng d\u1ecbch chuy\u1ec3n sau khi nh\u1ea3. C\u00f4ng vi\u1ec7c th\u1ee9 ba \u0111\u1ea1t \u0111\u00fang 90 \u0111\u1ed9 m\u1ed7i l\u1ea7n \u2014 nh\u01b0ng m\u00e1y r\u00ean r\u1ec9 khi th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n

Kh\u00f4ng c\u00f3 g\u00ec thay \u0111\u1ed5i v\u1ec1 chu k\u1ef3 ram. \u0110i\u1ec1u thay \u0111\u1ed5i l\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00e0y, khu\u00f4n v\u00e0 v\u1eadt li\u1ec7u. M\u1ed1i quan h\u1ec7 \u0111\u00f3 ch\u00ednh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft m\u00ecnh th\u1ef1c s\u1ef1 \u0111ang s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0o, th\u00ec b\u1ea1n kh\u00f4ng ph\u1ea3i \u0111ang \u201ct\u1ea1o h\u00ecnh.\u201d B\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c c\u00f9ng l\u00fac v\u1edbi l\u1ef1c \u00e9p, \u0111\u1ed9 h\u1ed3i l\u00f2 xo v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng khung m\u00e1y.<\/p>\n\n\n\n

N\u1ebfu ch\u00e0y \u00e9p xu\u1ed1ng, t\u1ea1i sao h\u00ecnh d\u1ea1ng c\u1ee7a khu\u00f4n l\u1ea1i th\u1ef1c s\u1ef1 ki\u1ec3m so\u00e1t k\u1ebft qu\u1ea3?<\/h3>\n\n\n\n

H\u00e3y h\u00ecnh dung m\u1ed9t t\u1ea5m th\u00e9p m\u1ec1m d\u00e0y 0,125 inch \u0111\u1eb7t tr\u00ean m\u1ed9t khu\u00f4n V 1 inch. B\u1ea1n \u0111\u01b0a m\u1ed9t ch\u00e0y ti\u00eau chu\u1ea9n 88 \u0111\u1ed9 xu\u1ed1ng v\u00e0 d\u1eebng l\u1ea1i tr\u01b0\u1edbc khi m\u0169i ch\u00e0y ch\u1ea1m \u0111\u00e1y khu\u00f4n.<\/p>\n\n\n\n

T\u1ea5m ch\u1ec9 ch\u1ea1m v\u00e0o ba \u0111i\u1ec3m: m\u0169i ch\u00e0y v\u00e0 hai vai khu\u00f4n. N\u00f3 th\u1ef1c s\u1ef1 \u0111ang treo l\u01a1 l\u1eedng gi\u1eefa ch\u00fang. \u0110\u00f3 l\u00e0 u\u1ed1n tr\u00ean kh\u00f4ng.<\/p>\n\n\n\n

B\u00e2y gi\u1edd kh\u00f4ng thay \u0111\u1ed5i g\u00ec v\u1ec1 ch\u00e0y. \u0110\u1ed5i khu\u00f4n sang khu\u00f4n V 0,75 inch. Ch\u1ea1y c\u00f9ng \u0111\u1ed9 s\u00e2u \u0111\u00e3 l\u1eadp tr\u00ecnh.<\/p>\n\n\n\n

B\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 c\u00f9ng g\u00f3c.<\/p>\n\n\n\n

T\u1ea1i sao? B\u1edfi v\u00ec trong u\u1ed1n tr\u00ean kh\u00f4ng, b\u00e1n k\u00ednh u\u1ed1n b\u00ean trong \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 m\u1ed9t h\u00e0m c\u1ee7a \u0111\u1ed9 m\u1edf khu\u00f4n\u2014kho\u1ea3ng 16% c\u1ee7a \u0111\u1ed9 m\u1edf V \u0111\u1ed1i v\u1edbi th\u00e9p m\u1ec1m. Khu\u00f4n V h\u1eb9p h\u01a1n, b\u00e1n k\u00ednh nh\u1ecf h\u01a1n. B\u00e1n k\u00ednh nh\u1ecf h\u01a1n ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u k\u00e9o gi\u00e3n nhi\u1ec1u h\u01a1n \u1edf m\u1eb7t ngo\u00e0i v\u00e0 n\u00e9n nhi\u1ec1u h\u01a1n \u1edf m\u1eb7t trong. \u0110i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i m\u1ee9c \u0111\u1ed9 b\u1ea1n ph\u1ea3i u\u1ed1n qu\u00e1 \u0111\u1ec3 \u0111\u1ea1t 90 \u0111\u1ed9 sau h\u1ed3i l\u00f2 xo.<\/p>\n\n\n\n

Ch\u00e0y \u0111ang \u00e9p xu\u1ed1ng. Nh\u01b0ng \u0111\u1ed9 m\u1edf khu\u00f4n quy\u1ebft \u0111\u1ecbnh h\u00ecnh h\u1ecdc m\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e9p ch\u1ea3y v\u00e0o.<\/p>\n\n\n\n

B\u00e2y gi\u1edd \u00e9p s\u00e2u h\u01a1n\u2014cho \u0111\u1ebfn khi v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n v\u1edbi c\u00e1c m\u1eb7t khu\u00f4n. B\u1ea1n kh\u00f4ng c\u00f2n treo gi\u1eefa ba \u0111i\u1ec3m n\u1eefa. T\u1ea5m \u0111ang \u0111\u01b0\u1ee3c \u00e9p v\u00e0o ch\u00ednh g\u00f3c khu\u00f4n. \u0110\u00f3 l\u00e0 \u00e9p \u0111\u00e1y. G\u00f3c khu\u00f4n gi\u1edd \u0111\u00e2y x\u00e1c \u0111\u1ecbnh v\u1eadt l\u00fd g\u00f3c u\u1ed1n cu\u1ed1i c\u00f9ng v\u00ec v\u1eadt li\u1ec7u b\u1ecb bu\u1ed9c ph\u1ea3i theo h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

\u00c9p s\u00e2u h\u01a1n n\u1eefa\u2014v\u01b0\u1ee3t qua ti\u1ebfp x\u00fac \u0111\u01a1n gi\u1ea3n\u2014v\u00e0 b\u1ea1n b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u1ebbo v\u1eadt li\u1ec7u xuy\u00ean su\u1ed1t \u0111\u1ed9 d\u00e0y t\u1ea1i \u0111\u01b0\u1eddng u\u1ed1n. \u0110\u00f3 l\u00e0 d\u1eadp xu. B\u1ea1n kh\u00f4ng ch\u1ec9 u\u1ed1n quanh m\u1ed9t b\u00e1n k\u00ednh; b\u1ea1n \u0111ang n\u00e9n kim lo\u1ea1i v\u00e0o khoang khu\u00f4n v\u00e0 l\u00e0m m\u1ecfng n\u00f3 m\u1ed9t ch\u00fat t\u1ea1i \u0111\u1ec9nh.<\/p>\n\n\n\n

H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: khu\u00f4n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t kh\u1ed1i \u0111\u1ee1. N\u00f3 l\u00e0 \u0111i\u1ec1u ki\u1ec7n bi\u00ean. N\u00f3 quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 t\u1ef1 do m\u00e0 kim lo\u1ea1i c\u00f3 \u0111\u1ec3 t\u1ea1o b\u00e1n k\u00ednh ri\u00eang c\u1ee7a n\u00f3 so v\u1edbi m\u1ee9c \u0111\u1ed9 ph\u1ea3i tu\u00e2n theo h\u00ecnh h\u1ecdc c\u1ee7a d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

Sai \u0111i\u1ec1u \u0111\u00f3 v\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i \u0111u\u1ed5i theo g\u00f3c c\u1ea3 ca, t\u1ef1 h\u1ecfi t\u1ea1i sao c\u00f9ng m\u1ed9t c\u00e0i \u0111\u1eb7t \u0111\u1ed9 s\u00e2u l\u1ea1i cho ra ba k\u1ebft qu\u1ea3 kh\u00e1c nhau.<\/p>\n\n\n\n

Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> \u0110\u1ed9 m\u1edf v\u00e0 g\u00f3c khu\u00f4n x\u00e1c \u0111\u1ecbnh c\u00e1ch v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e9p bi\u1ebfn d\u1ea1ng\u2014\u0111\u1ed9 s\u00e2u \u0111\u01a1n thu\u1ea7n kh\u00f4ng c\u00f3 \u00fd ngh\u0129a n\u1ebfu thi\u1ebfu h\u00ecnh h\u1ecdc \u0111\u00f3.<\/p>\n\n\n\n

U\u1ed1n tr\u00ean kh\u00f4ng: L\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh v\u00e0 gi\u1edbi h\u1ea1n \u0111\u1ed9 ch\u00ednh x\u00e1c \u1ea9n<\/h3>\n\n\n\n

Trong h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng vi\u1ec7c \u1edf x\u01b0\u1edfng c\u1ee7a t\u00f4i\u2014gi\u00e1 \u0111\u1ee1, n\u1eafp, khung\u2014ch\u00fang t\u00f4i u\u1ed1n tr\u00ean kh\u00f4ng. N\u00f3 nhanh. N\u00f3 linh ho\u1ea1t. M\u1ed9t ch\u00e0y v\u00e0 v\u00e0i khu\u00f4n V c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u d\u1ea3i \u0111\u1ed9 d\u00e0y.<\/p>\n\n\n\n

B\u1ea1n mu\u1ed1n 90 \u0111\u1ed9? B\u1ea1n kh\u00f4ng c\u1ea7n khu\u00f4n 90 \u0111\u1ed9. B\u1ea1n d\u00f9ng, ch\u1eb3ng h\u1ea1n, ch\u00e0y 88 \u0111\u1ed9 v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u. D\u1eebng cao h\u01a1n, b\u1ea1n \u0111\u01b0\u1ee3c 100 \u0111\u1ed9. \u00c9p s\u00e2u h\u01a1n, b\u1ea1n \u0111\u01b0\u1ee3c 85 \u0111\u1ed9. M\u1ed9t b\u1ed9 d\u1ee5ng c\u1ee5, v\u00f4 s\u1ed1 g\u00f3c.<\/p>\n\n\n\n

S\u1ef1 linh ho\u1ea1t \u0111\u00f3 l\u00e0 l\u00fd do u\u1ed1n tr\u00ean kh\u00f4ng d\u00f9ng \u00edt l\u1ef1c \u00e9p nh\u1ea5t trong ba ph\u01b0\u01a1ng ph\u00e1p. B\u1ea1n ch\u1ec9 t\u1ea1o h\u00ecnh \u0111\u1ebfn m\u1ed9t b\u00e1n k\u00ednh, kh\u00f4ng \u0111\u1eadp v\u1eadt li\u1ec7u v\u00e0o khoang. L\u1ef1c \u00e9p th\u1ea5p h\u01a1n ngh\u0129a l\u00e0 \u00edt bi\u1ebfn d\u1ea1ng khung h\u01a1n, \u00edt m\u00e0i m\u00f2n h\u01a1n v\u00e0 chu k\u1ef3 nhanh h\u01a1n.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n

B\u1edfi v\u00ec chi ti\u1ebft ch\u1ec9 ti\u1ebfp x\u00fac t\u1ea1i ba \u0111i\u1ec3m, g\u00f3c cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n

    \n
  • \u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c<\/li>\n\n\n\n
  • C\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y th\u1ef1c t\u1ebf c\u1ee7a l\u00f4 \u0111\u00f3<\/li>\n\n\n\n
  • Chi\u1ec1u r\u1ed9ng m\u1edf c\u1ee7a khu\u00f4n<\/li>\n\n\n\n
  • \u0110\u1ed9 v\u00f5ng c\u1ee7a c\u1ea7n \u00e9p tr\u00ean to\u00e0n gi\u01b0\u1eddng m\u00e1y<\/li>\n<\/ul>\n\n\n\n

    Ch\u1ea1y m\u1ed9t chi ti\u1ebft d\u00e0i 6 feet m\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cong th\u00edch h\u1ee3p v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y \u0111i\u1ec1u n\u00e0y: 90 \u1edf hai \u0111\u1ea7u, 92 \u1edf gi\u1eefa. C\u1ea7n \u00e9p ch\u1ea1m t\u1edbi \u0111\u1ed9 s\u00e2u \u0111\u00e3 l\u1eadp tr\u00ecnh \u1edf m\u1ecdi v\u1ecb tr\u00ed. Khung m\u00e1y v\u1eabn b\u1ecb u\u1ed1n cong.<\/p>\n\n\n\n

    M\u00e1y \u00e9p CNC hi\u1ec7n \u0111\u1ea1i v\u1edbi c\u1ea3m bi\u1ebfn g\u00f3c c\u00f3 th\u1ec3 \u0111o v\u00e0 t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh theo th\u1eddi gian th\u1ef1c. \u0110i\u1ec1u \u0111\u00f3 gi\u00fap \u00edch. Nh\u01b0ng n\u00f3 kh\u00f4ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c quy lu\u1eadt v\u1eadt l\u00fd. U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed lu\u00f4n khi\u1ebfn b\u1ea1n ph\u1ea3i c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 h\u1ed3i l\u00f2 xo v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u.<\/p>\n\n\n\n

    T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1edbi cho r\u1eb1ng con s\u1ed1 tr\u00ean m\u00e0n h\u00ecnh \u0111\u1ea3m b\u1ea3o g\u00f3c u\u1ed1n. K\u1ebft qu\u1ea3 anh ta nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 m\u1ed9t chi ti\u1ebft 92 \u0111\u1ed9 trong khi b\u1ea3n v\u1ebd y\u00eau c\u1ea7u 90 \u0111\u1ed9.<\/p>\n\n\n\n

    Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 y\u00eau c\u1ea7u l\u1ef1c \u00e9p th\u1ea5p, nh\u01b0ng \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o s\u1ef1 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng b\u00f9 c\u1ee7a m\u00e1y.<\/p>\n\n\n\n

    U\u1ed1n \u0111\u00e1y: Khi t\u00ednh \u0111\u1ed3ng nh\u1ea5t quan tr\u1ecdng h\u01a1n s\u1ef1 linh ho\u1ea1t<\/h3>\n\n\n\n

    B\u00e2y gi\u1edd h\u00e3y l\u1ea5y c\u00f9ng lo\u1ea1i th\u00e9p m\u1ec1m d\u00e0y 0,125 inch v\u00e0 \u0111\u1eb7t l\u00ean m\u1ed9t khu\u00f4n 90 \u0111\u1ed9. L\u1ea7n n\u00e0y, b\u1ea1n \u00e9p ch\u00e0y cho \u0111\u1ebfn khi v\u1eadt li\u1ec7u ho\u00e0n to\u00e0n t\u1ef1a v\u00e0o c\u00e1c m\u1eb7t khu\u00f4n.<\/p>\n\n\n\n

    B\u1ea1n kh\u00f4ng c\u00f2n ph\u1ea3i \u0111o\u00e1n xem \u0111\u1ed9 h\u1ed3i l\u00f2 xo s\u1ebd m\u1edf g\u00f3c bao nhi\u00eau. G\u00f3c khu\u00f4n l\u00e0 90. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t v\u00e0o 90. \u0110\u1ed9 h\u1ed3i l\u00f2 xo v\u1eabn t\u1ed3n t\u1ea1i, nh\u01b0ng gi\u1ea3m \u0111\u00e1ng k\u1ec3 v\u00ec nhi\u1ec1u ph\u1ea7n c\u1ee7a ti\u1ebft di\u1ec7n \u0111\u00e3 b\u1ecb ch\u1ea3y d\u1ebbo.<\/p>\n\n\n\n

    L\u1ef1c \u00e9p t\u0103ng v\u1ecdt\u2014th\u01b0\u1eddng cao g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed cho c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y. T\u1ea1i sao? V\u00ec b\u1ea1n \u0111ang bu\u1ed9c to\u00e0n b\u1ed9 v\u00f9ng u\u1ed1n ph\u1ea3i tu\u00e2n theo c\u00e1c v\u00e1ch khu\u00f4n, ch\u1ee9 kh\u00f4ng ch\u1ec9 t\u1ea1o ra m\u1ed9t b\u00e1n k\u00ednh u\u1ed1n l\u01a1 l\u1eedng.<\/p>\n\n\n\n

    L\u1ef1c \u00e9p cao h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi nhi\u1ec1u \u0111\u1ed9 v\u00f5ng c\u1ee7a gi\u01b0\u1eddng v\u00e0 c\u1ea7n \u00e9p n\u1ebfu m\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cong ph\u00f9 h\u1ee3p. Tr\u00ean m\u00e1y \u00e9p nh\u1eb9, u\u1ed1n \u0111\u00e1y v\u1eadt li\u1ec7u d\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng hi\u1ec7u \u1ee9ng \u201cchi\u1ebfc xu\u1ed3ng\u201d thay v\u00ec kh\u1eafc ph\u1ee5c s\u1ef1 sai l\u1ec7ch g\u00f3c.<\/p>\n\n\n\n

    Nh\u01b0ng khi b\u1ea1n kh\u1edbp d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c v\u1edbi \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u\u2014\u0111\u00f3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t\u2014u\u1ed1n \u0111\u00e1y mang l\u1ea1i kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i \u1ed5n \u0111\u1ecbnh qua t\u1eebng l\u00f4 s\u1ea3n ph\u1ea9m. \u00cdt ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u0111i\u1ec1u ch\u1ec9nh u\u1ed1n qu\u00e1 tinh t\u1ebf. \u00cdt nh\u1ea1y c\u1ea3m v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed5i nh\u1ecf v\u1ec1 gi\u1edbi h\u1ea1n ch\u1ea3y.<\/p>\n\n\n\n

    S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i? M\u1ed7i \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u c\u1ea7n m\u1ed9t c\u1eb7p khu\u00f4n ri\u00eang. Thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y, ph\u1ea3i thay \u0111\u1ed5i d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

    B\u1ecf qua \u0111i\u1ec1u \u0111\u00f3 v\u00e0 c\u1ed1 u\u1ed1n \u0111\u00e1y nh\u00f4m m\u1ecfng trong khu\u00f4n d\u00e0nh cho th\u00e9p d\u00e0y h\u01a1n, b\u1ea1n s\u1ebd l\u00e0m h\u1ecfng \u0111\u01b0\u1eddng u\u1ed1n v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n. Ch\u1ec9 ri\u00eang h\u01b0 h\u1ea1i th\u1ea9m m\u1ef9 \u0111\u00f3 c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn m\u1ed9t chi ti\u1ebft nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c b\u1ecb lo\u1ea1i b\u1ecf.<\/p>\n\n\n\n

    Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> U\u1ed1n \u0111\u00e1y hy sinh s\u1ef1 linh ho\u1ea1t v\u00e0 \u0111\u00f2i h\u1ecfi l\u1ef1c \u00e9p l\u1edbn h\u01a1n \u0111\u1ec3 \u0111\u1ed5i l\u1ea5y vi\u1ec7c gi\u1ea3m h\u1ed3i l\u00f2 xo v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i g\u00f3c ch\u1eb7t ch\u1ebd h\u01a1n.<\/p>\n\n\n\n

    D\u1eadp \u0111\u1ed3ng: \u0110\u1ed9 ch\u00ednh x\u00e1c t\u1ed1i \u0111a, l\u1ef1c \u00e9p t\u1ed1i \u0111a, \u0111\u1ed9 dung sai t\u1ed1i thi\u1ec3u<\/h3>\n\n\n\n

    D\u1eadp \u0111\u1ed3ng l\u00e0 n\u01a1i m\u00e0 c\u00e1c h\u1ecdc vi\u00ean m\u1edbi ngh\u0129 r\u1eb1ng h\u1ecd \u0111ang \u201cc\u1ef1c k\u1ef3 ch\u00ednh x\u00e1c\u201d.\u201d<\/p>\n\n\n\n

    B\u1ea1n l\u1ea5y m\u1ed9t ch\u00e0y s\u1eafc\u2014th\u01b0\u1eddng c\u00f3 b\u00e1n k\u00ednh \u0111\u1ea7u nh\u1ecf\u2014v\u00e0 \u00e9p m\u1ea1nh v\u00e0o v\u1eadt li\u1ec7u cho \u0111\u1ebfn khi kim lo\u1ea1i ch\u1ea3y d\u1ebbo g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0y t\u1ea1i \u0111\u01b0\u1eddng u\u1ed1n. B\u00e1n k\u00ednh b\u00ean trong g\u1ea7n nh\u01b0 b\u1eb1ng b\u00e1n k\u00ednh \u0111\u1ea7u ch\u00e0y. V\u1eadt li\u1ec7u b\u1ecb n\u00e9n v\u00e0 m\u1ecfng \u0111i t\u1ea1i \u0111\u1ec9nh u\u1ed1n.<\/p>\n\n\n\n

    \u0110\u1ed9 h\u1ed3i l\u00f2 xo? R\u1ea5t \u00edt. \u0110\u00f4i khi ch\u01b0a \u0111\u1ebfn n\u1eeda \u0111\u1ed9.<\/p>\n\n\n\n

    Nghe c\u00f3 v\u1ebb ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

    B\u00e2y gi\u1edd h\u00e3y nh\u00ecn v\u00e0o bi\u1ec3u \u0111\u1ed3 t\u1ea3i tr\u1ecdng. D\u1eadp \u0111\u1ed3ng ti\u1ec1n c\u00f3 th\u1ec3 c\u1ea7n l\u1ef1c g\u1ea5p n\u0103m \u0111\u1ebfn m\u01b0\u1eddi l\u1ea7n so v\u1edbi u\u1ed1n kh\u00ed cho c\u00f9ng m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u. L\u1ef1c \u0111\u00f3 kh\u00f4ng bi\u1ebfn m\u1ea5t. N\u00f3 truy\u1ec1n v\u00e0o khung m\u00e1y, d\u1ee5ng c\u1ee5 v\u00e0 t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

    Tr\u00ean m\u1ed9t m\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho vi\u1ec7c n\u00e0y, b\u1ea1n c\u00f3 nguy c\u01a1 l\u00e0m bi\u1ebfn d\u1ea1ng gi\u01b0\u1eddng m\u00e1y v\u0129nh vi\u1ec5n. Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e3 t\u00f4i c\u1ee9ng v\u1edbi ch\u00e0y s\u1eafc, b\u1ea1n c\u00f3 nguy c\u01a1 g\u00e2y ra c\u00e1c v\u1ebft n\u1ee9t si\u00eau nh\u1ecf d\u1ecdc theo \u0111\u01b0\u1eddng u\u1ed1n. Tr\u00ean nh\u00f4m d\u00f9ng cho b\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft m\u00e0 kh\u00f4ng quy tr\u00ecnh ho\u00e0n thi\u1ec7n n\u00e0o c\u00f3 th\u1ec3 che gi\u1ea5u.<\/p>\n\n\n\n

    Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

    D\u1eadp \u0111\u1ed3ng ti\u1ec1n ch\u1eafc ch\u1eafn mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c khi m\u00e1y, d\u1ee5ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p \u0111\u00fang c\u00e1ch. N\u00f3 ph\u1ed5 bi\u1ebfn trong c\u00e1c chi ti\u1ebft s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t n\u01a1i dung sai g\u00f3c r\u1ea5t ch\u1eb7t v\u00e0 bi\u1ebfn \u0111\u1ed9ng l\u00e0 kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn.<\/p>\n\n\n\n

    Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u00edt khoan dung nh\u1ea5t. L\u1ed7i v\u1ec1 \u0111\u1ed9 s\u00e2u kh\u00f4ng th\u1ec3 s\u1eeda b\u1eb1ng m\u1ed9t c\u00fa nh\u1ea5n b\u00e0n \u0111\u1ea1p. M\u00f2n d\u1ee5ng c\u1ee5 s\u1ebd th\u1ec3 hi\u1ec7n ngay l\u1eadp t\u1ee9c \u1edf g\u00f3c u\u1ed1n. V\u00e0 nhu c\u1ea7u t\u1ea3i tr\u1ecdng \u0111\u1ea9y m\u00e1y c\u1ee7a b\u1ea1n \u0111\u1ebfn g\u1ea7n gi\u1edbi h\u1ea1n k\u1ebft c\u1ea5u.<\/p>\n\n\n\n

    B\u1ea1n kh\u00f4ng ch\u1ec9 u\u1ed1n n\u1eefa. B\u1ea1n \u0111ang r\u00e8n ngu\u1ed9i m\u1ed9t \u0111\u01b0\u1eddng v\u00e0o t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

    \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e2u h\u1ecfi kh\u00f3 ti\u1ebfp theo: n\u1ebfu m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p thay \u0111\u1ed5i nhu c\u1ea7u t\u1ea3i tr\u1ecdng m\u1ea1nh m\u1ebd nh\u01b0 v\u1eady, b\u1ea1n ch\u1eafc ch\u1eafn \u0111\u1ebfn m\u1ee9c n\u00e0o r\u1eb1ng c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y th\u1ef1c s\u1ef1 \u0111\u00e1p \u1ee9ng c\u00e1ch b\u1ea1n \u0111ang u\u1ed1n\u2014ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u1ed9 d\u00e0y ghi tr\u00ean b\u1ea3n v\u1ebd?<\/p>\n\n\n\n

    C\u00e1i b\u1eaby t\u1ea3i tr\u1ecdng: T\u1ea1i sao mua m\u00e1y l\u1edbn nh\u1ea5t l\u00e0 sai l\u1ea7m c\u1ee7a ng\u01b0\u1eddi m\u1edbi<\/h2>\n\n\n\n

    C\u00f3 m\u1ed9t c\u1eadu thanh ni\u00ean t\u1eebng v\u00e0o x\u01b0\u1edfng c\u1ee7a t\u00f4i, t\u1ef1 h\u00e0o v\u00f4 c\u00f9ng v\u1ec1 m\u00e1y ch\u1ea5n m\u1edbi 175 t\u1ea5n. \u201cC\u00f3 th\u1ec3 u\u1ed1n b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec ch\u00fang ta c\u1ea7n,\u201d c\u1eadu ta n\u00f3i.<\/p>\n\n\n\n

    C\u00f4ng vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u1eadu ch\u1ea1y l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 3\/16, u\u1ed1n \u0111\u00e1y, chi\u1ec1u d\u00e0i \u0111\u1ee7 10 feet. M\u00e1y kh\u00f4ng d\u1eebng l\u1ea1i. N\u00f3 r\u00ean r\u1ec9. S\u00e1u th\u00e1ng sau, gi\u01b0\u1eddng m\u00e1y c\u00f3 m\u1ed9t n\u1ee5 c\u01b0\u1eddi v\u0129nh vi\u1ec5n. Kh\u00f4ng th\u1ec3 th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng. Nh\u01b0ng th\u1ea5y r\u00f5 trong m\u1ed7i l\u1ea7n ki\u1ec3m tra g\u00f3c.<\/p>\n\n\n\n

    C\u1eadu ta mua m\u00e1y l\u1edbn nh\u1ea5t m\u00e0 c\u1eadu c\u00f3 th\u1ec3 mua \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

    C\u1eadu ta ch\u01b0a bao gi\u1edd h\u1ecfi li\u1ec7u \u0111\u00f3 c\u00f3 ph\u1ea3i l\u00e0 m\u00e1y ph\u00f9 h\u1ee3p hay kh\u00f4ng.<\/p>\n\n\n\n

    C\u00e2u h\u1ecfi b\u1ea1n n\u00ean \u0111\u1eb7t ra \u0111\u01a1n gi\u1ea3n h\u01a1n nh\u01b0ng kh\u00f3 h\u01a1n: l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh to\u00e1n li\u1ec7u t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y ch\u1ea5n th\u1ef1c s\u1ef1 \u0111\u00e1p \u1ee9ng ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n b\u1ea1n \u0111ang d\u00f9ng\u2014tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i b\u1ea1n d\u1ef1 \u0111\u1ecbnh u\u1ed1n\u2014m\u00e0 kh\u00f4ng l\u00e0m bi\u1ebfn d\u1ea1ng m\u00e1y v\u1ed1n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ki\u1ebfm ti\u1ec1n cho b\u1ea1n?<\/p>\n\n\n\n

    H\u00e3y ph\u00e2n t\u00edch theo c\u00e1ch t\u00f4i gi\u1ea3i th\u00edch cho c\u00e1c h\u1ecdc vi\u00ean m\u1edbi, nh\u1eefng ng\u01b0\u1eddi ngh\u0129 r\u1eb1ng t\u1ea3i tr\u1ecdng ch\u1ec9 l\u00e0 con s\u1ed1 \u0111\u1ec3 khoe.<\/p>\n\n\n\n

    T\u1ea3i tr\u1ecdng th\u1ef1c s\u1ef1 \u0111o l\u01b0\u1eddng g\u00ec (v\u00e0 c\u00e1ch \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u thay \u0111\u1ed5i n\u00f3 theo c\u1ea5p s\u1ed1 nh\u00e2n)<\/h3>\n\n\n\n

    B\u01b0\u1edbc \u0111\u1ebfn m\u1ed9t bi\u1ec3u \u0111\u1ed3 t\u1ea3i tr\u1ecdng v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y th\u1ee9 nh\u01b0 sau: th\u00e9p m\u1ec1m 4 mm tr\u00ean V\u2011die 32 mm c\u1ea7n kho\u1ea3ng 330 kN m\u1ed7i m\u00e9t. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed5ng l\u1ef1c. \u0110\u00f3 l\u00e0 l\u1ef1c tr\u00ean m\u1ed7i m\u00e9t chi\u1ec1u d\u00e0i u\u1ed1n.<\/p>\n\n\n\n

    B\u1ea1n \u0111\u00e3 th\u1ea5y c\u00e1i b\u1eaby r\u1ed3i. M\u1ed9t gi\u00e1 \u0111\u1ee1 2 feet v\u00e0 m\u1ed9t t\u1ea5m panel 10 feet l\u00e0 hai t\u1ea3i ho\u00e0n to\u00e0n kh\u00e1c nhau tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y.<\/p>\n\n\n\n

    H\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng d\u00f9ng c\u00f4ng th\u1ee9c cho u\u1ed1n kh\u00ed th\u00e9p m\u1ec1m c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o kho\u1ea3ng 60.000 psi:<\/p>\n\n\n\n

    P = 650 \u00d7 S\u00b2 \u00d7 L \/ V<\/p>\n\n\n\n

    Trong \u0111\u00f3:<\/p>\n\n\n\n

      \n
    • S = \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/li>\n\n\n\n
    • L = chi\u1ec1u d\u00e0i u\u1ed1n<\/li>\n\n\n\n
    • V = kh\u1ea9u \u0111\u1ed9 khu\u00f4n<\/li>\n<\/ul>\n\n\n\n

      Thu\u1eadt ng\u1eef S\u00b2 \u0111\u00f3 l\u00e0 ph\u1ea7n m\u00e0 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng b\u1ecf qua. \u0110\u1ed9 d\u00e0y \u0111\u01b0\u1ee3c b\u00ecnh ph\u01b0\u01a1ng. G\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y th\u00ec l\u1ef1c \u00e9p kh\u00f4ng ch\u1ec9 g\u1ea5p \u0111\u00f4i\u2014m\u00e0 t\u0103ng l\u00ean g\u1ea5p b\u1ed1n.<\/p>\n\n\n\n

      H\u00e3y l\u1ea5y m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n

      U\u1ed1n kh\u00f4ng ch\u1ea1m (air bending) th\u00e9p m\u1ec1m d\u00e0y 0.125 inch tr\u00ean khu\u00f4n V 1 inch d\u00e0i 4 feet c\u00f3 th\u1ec3 c\u1ea7n kho\u1ea3ng 20\u201325 t\u1ea5n. Ho\u00e0n to\u00e0n x\u1eed l\u00fd \u0111\u01b0\u1ee3c tr\u00ean m\u00e1y \u00e9p 60 t\u1ea5n.<\/p>\n\n\n\n

      B\u00e2y gi\u1edd ch\u1ec9 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y th\u00e0nh 0.250 inch.<\/p>\n\n\n\n

      C\u00f9ng ki\u1ec3u khu\u00f4n. C\u00f9ng chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

      B\u1ea1n kh\u00f4ng \u1edf m\u1ee9c 40\u201350 t\u1ea5n. B\u1ea1n s\u1ebd \u1edf kho\u1ea3ng 80\u2013100 t\u1ea5n. \u0110\u00f3 l\u00e0 quy lu\u1eadt b\u00ecnh ph\u01b0\u01a1ng \u0111ang t\u00e1c \u0111\u1ed9ng.<\/p>\n\n\n\n

      B\u00e2y gi\u1edd thay th\u00e9p m\u1ec1m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9. Th\u1ef1c h\u00e0nh ti\u00eau chu\u1ea9n l\u00e0 nh\u00e2n kho\u1ea3ng 1.5 l\u1ea7n do \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n. Th\u00e9p h\u1ee3p kim crom moly? G\u1ea7n 2.0 l\u1ea7n.<\/p>\n\n\n\n

      H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: \u0111\u1ed9 d\u00e0y l\u00e0 x\u0103ng, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u l\u00e0 oxy, v\u00e0 ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n l\u00e0 tia l\u1eeda. Khi b\u1ea1n thay \u0111\u1ed5i c\u1ea3 ba c\u00f9ng l\u00fac\u2014th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y h\u01a1n, u\u1ed1n ch\u1ea1m \u0111\u00e1y thay v\u00ec u\u1ed1n kh\u00f4ng ch\u1ea1m\u2014b\u1ea1n kh\u00f4ng ch\u1ec9 t\u0103ng l\u1ef1c m\u1ed9t ch\u00fat. B\u1ea1n \u0111ang nh\u00e2n n\u00f3 l\u00ean.<\/p>\n\n\n\n

      V\u00e0 nh\u1edb \u0111i\u1ec1u ch\u00fang ta \u0111\u00e3 n\u00f3i tr\u01b0\u1edbc \u0111\u00f3: u\u1ed1n ch\u1ea1m \u0111\u00e1y c\u00f3 th\u1ec3 c\u1ea7n l\u1ef1c g\u1ea5p kho\u1ea3ng b\u1ed1n l\u1ea7n u\u1ed1n kh\u00f4ng ch\u1ea1m. U\u1ed1n d\u1eadp (coining) c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi g\u1ea5p n\u0103m \u0111\u1ebfn m\u01b0\u1eddi l\u1ea7n.<\/p>\n\n\n\n

      V\u00ec v\u1eady n\u1ebfu t\u00ednh to\u00e1n u\u1ed1n kh\u00f4ng ch\u1ea1m cho ra 25 t\u1ea5n, u\u1ed1n ch\u1ea1m \u0111\u00e1y c\u00f9ng chi ti\u1ebft \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea9y b\u1ea1n l\u00ean g\u1ea7n 100 t\u1ea5n. U\u1ed1n d\u1eadp c\u00f3 th\u1ec3 \u0111\u01b0a b\u1ea1n l\u00ean kho\u1ea3ng 200 t\u1ea5n.<\/p>\n\n\n\n

      Chi\u1ebfc m\u00e1y \u201c175 t\u1ea5n\u201d \u0111\u00f3 b\u1ed7ng nhi\u00ean kh\u00f4ng c\u00f2n d\u01b0 t\u1ea3i. N\u00f3 b\u1ecb thi\u1ebfu t\u1ea3i.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Tonnage l\u00e0 l\u1ef1c tr\u00ean m\u1ed7i chi\u1ec1u d\u00e0i d\u01b0\u1edbi c\u00e1c gi\u1ea3 \u0111\u1ecbnh c\u1ee5 th\u1ec3\u2014thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y, v\u1eadt li\u1ec7u, ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 t\u1ea3i s\u1ebd t\u0103ng r\u1ea5t nhanh.<\/p>\n\n\n\n

      R\u1ee7i ro \u201cT\u1ea3i t\u1eadp trung\u201d: L\u00e0m th\u1ebf n\u00e0o b\u1ea1n c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh l\u00e0m n\u1ee9t gi\u01b0\u1eddng m\u00e1y 100 t\u1ea5n<\/h3>\n\n\n\n

      B\u00e2y gi\u1edd h\u00e3y n\u00f3i v\u1ec1 m\u1ed9t \u0111i\u1ec1u kh\u00f4ng xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ea3ng t\u00ean: t\u1ea3i t\u1eadp trung.<\/p>\n\n\n\n

      M\u00e1y \u00e9p \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 100 t\u1ea5n th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 100 t\u1ea5n ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i gi\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1. Kh\u00f4ng ph\u1ea3i 100 t\u1ea5n t\u1eadp trung \u1edf gi\u1eefa 12 inch.<\/p>\n\n\n\n

      T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t ng\u01b0\u1eddi c\u1ed1 g\u1eafng u\u1ed1n d\u1eadp m\u1ed9t gi\u00e1 \u0111\u1ee1 ng\u1eafn, n\u1eb7ng ngay gi\u1eefa m\u00e1y 100 t\u1ea5n. T\u00ednh to\u00e1n cho ra t\u1ed5ng 85 t\u1ea5n. Anh ta ngh\u0129 l\u00e0 an to\u00e0n.<\/p>\n\n\n\n

      \u0110i\u1ec1u anh ta b\u1ecf qua l\u00e0 s\u1ef1 ph\u00e2n b\u1ed1.<\/p>\n\n\n\n

      N\u1ebfu 85 t\u1ea5n \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean 12 inch c\u1ee7a gi\u01b0\u1eddng d\u00e0i 10 feet, ph\u1ea7n gi\u1eefa \u0111ang ch\u1ecbu m\u1ed9t t\u1ea3i c\u1ee5c b\u1ed9 kh\u1ed5ng l\u1ed3 trong khi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a khung g\u1ea7n nh\u01b0 kh\u00f4ng g\u00f3p nhi\u1ec1u v\u00e0o vi\u1ec7c ch\u1ed1ng bi\u1ebfn d\u1ea1ng. Gi\u01b0\u1eddng v\u00e0 thanh \u00e9p l\u00e0 c\u00e1c d\u1ea7m. D\u1ea7m r\u1ea5t gh\u00e9t t\u1ea3i \u0111i\u1ec3m.<\/p>\n\n\n\n

      C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u01b0\u1eddng khuy\u1ebfn ngh\u1ecb gi\u1ea3m t\u1ea3i\u2014\u0111\u00f4i khi t\u1eeb 20 \u0111\u1ebfn 50 ph\u1ea7n tr\u0103m\u2014khi v\u1eadn h\u00e0nh g\u1ea7n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i. C\u1ea7n th\u1eadn tr\u1ecdng h\u01a1n n\u1eefa khi \u00e1p d\u1ee5ng l\u1ef1c cao tr\u00ean m\u1ed9t \u0111o\u1ea1n ng\u1eafn.<\/p>\n\n\n\n

      \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n l\u00e0m n\u1ee9t vai d\u1ee5ng c\u1ee5 ho\u1eb7c t\u1ea1o ra m\u1ed9t \u0111\u1ed9 cong v\u0129nh vi\u1ec5n tr\u00ean b\u00e0n m\u00e1y. Kh\u00f4ng ph\u1ea3i b\u1eb1ng m\u1ed9t c\u00fa g\u00e3y k\u1ecbch t\u00ednh. M\u00e0 l\u00e0 qua nh\u1eefng s\u1ef1 ki\u1ec7n bi\u1ebfn d\u1ea1ng nh\u1ecf m\u00e0 b\u1ea1n kh\u00f4ng nh\u1eadn ra cho \u0111\u1ebfn khi g\u00f3c b\u1ecb l\u1ec7ch tr\u00ean m\u1ecdi chi ti\u1ebft d\u00e0i b\u1ea1n gia c\u00f4ng.<\/p>\n\n\n\n

      Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

      B\u1ea1n kh\u00f4ng c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 bi\u1ebfn d\u1ea1ng khung m\u00e1y qua b\u00e0n \u0111\u1ea1p ch\u00e2n. B\u1ea1n th\u1ea5y n\u00f3 \u1edf c\u00e1c g\u00f3c kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 c\u00e1c chi ti\u1ebft ch\u1ec9 kh\u1edbp khi b\u1ea1n l\u1eadt ch\u00fang \u0111\u1ea7u n\u00e0y sang \u0111\u1ea7u kia.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> S\u1ee9c \u00e9p \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y ch\u1ea5n gi\u1ea3 \u0111\u1ecbnh l\u1ef1c ph\u00e2n b\u1ed1 \u0111\u1ec1u\u2014l\u1ef1c t\u1eadp trung tr\u00ean m\u1ed9t \u0111o\u1ea1n ng\u1eafn c\u00f3 th\u1ec3 l\u00e0m qu\u00e1 t\u1ea3i m\u1ed9t m\u00e1y v\u1ed1n \u201cn\u00ean\u201d n\u1eb1m trong gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n

      D\u01b0\u1edbi t\u1ea3i so v\u1edbi qu\u00e1 t\u1ea3i: Sai t\u00ednh to\u00e1n n\u00e0o t\u1ed1n k\u00e9m h\u01a1n?<\/h3>\n\n\n\n

      C\u00e1c c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n trong ng\u00e0nh th\u01b0\u1eddng khuy\u1ebfn ngh\u1ecb mua nhi\u1ec1u h\u01a1n kho\u1ea3ng 20 ph\u1ea7n tr\u0103m c\u00f4ng su\u1ea5t so v\u1edbi y\u00eau c\u1ea7u \u0111\u00e3 t\u00ednh. Kho\u1ea3ng \u0111\u1ec7m \u0111\u00f3 b\u00f9 cho ma s\u00e1t, \u0111\u1ed9 b\u1ec1n k\u00e9o th\u1ef1c t\u1ebf cao h\u01a1n th\u00f4ng s\u1ed1, v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 d\u00e0y.<\/p>\n\n\n\n

      \u0110i\u1ec1u \u0111\u00f3 l\u00e0 th\u00f4ng minh.<\/p>\n\n\n\n

      T\u00ecnh tr\u1ea1ng thi\u1ebfu t\u1ea3i m\u00e3n t\u00ednh t\u1ec7 h\u01a1n vi\u1ec7c mua d\u01b0 v\u1eeba ph\u1ea3i. M\u00e1y qu\u00e1 nh\u1ecf bu\u1ed9c b\u1ea1n ph\u1ea3i ch\u1ea5n s\u00e1t \u0111\u00e1y khi mu\u1ed1n ch\u1ea5n kh\u00f4ng ch\u1ea1m \u0111\u00e1y, ph\u1ea3i d\u00f9ng khu\u00f4n h\u1eb9p h\u01a1n l\u00fd t\u01b0\u1edfng, ph\u1ea3i v\u1eadn h\u00e0nh g\u1ea7n gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a khung m\u00e1y \u1edf m\u1ed7i chu k\u1ef3. \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n l\u00e0m h\u1ecfng ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 ph\u1ea3i ch\u1ec9nh g\u00f3c su\u1ed1t c\u1ea3 ng\u00e0y.<\/p>\n\n\n\n

      Nh\u01b0ng \u0111\u00e2y l\u00e0 ch\u1ed7 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng \u0111i qu\u00e1 xa.<\/p>\n\n\n\n

      H\u1ecd ngh\u0129, \u201c\u0110\u01b0\u1ee3c th\u00f4i. T\u00f4i s\u1ebd mua th\u1eadt to.\u201d<\/p>\n\n\n\n

      M\u00e1y qu\u00e1 kh\u1ed5 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng an to\u00e0n h\u01a1n. M\u1ed9t m\u00e1y ch\u1ea5n 300 t\u1ea5n ch\u1ea5n kh\u00f4ng ch\u1ea1m \u0111\u00e1y t\u1ea5m m\u1ecfng 16 gauge tr\u00ean khu\u00f4n r\u1ed9ng c\u00f3 th\u1ec3 kh\u00f3 ki\u1ec3m so\u00e1t h\u01a1n v\u00ec m\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3 d\u01b0\u1edbi t\u1ea3i cao h\u01a1n. B\u1ea1n \u0111ang l\u00e0m vi\u1ec7c \u1edf ph\u1ea7n nh\u1ecf nh\u1ea5t c\u1ee7a d\u1ea3i l\u1ef1c. Thay \u0111\u1ed5i \u00e1p su\u1ea5t nh\u1ecf t\u1ea1o ra bi\u1ebfn \u0111\u1ed5i g\u00f3c l\u1edbn h\u01a1n.<\/p>\n\n\n\n

      H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: c\u1edd l\u00ea l\u1ef1c ch\u00ednh x\u00e1c nh\u1ea5t \u1edf gi\u1eefa d\u1ea3i l\u1ef1c c\u1ee7a n\u00f3, kh\u00f4ng ph\u1ea3i \u1edf 5 ph\u1ea7n tr\u0103m c\u00f4ng su\u1ea5t. M\u00e1y ch\u1ea5n c\u0169ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 v\u1eady. Ki\u1ec3m so\u00e1t \u0111\u1ebfn t\u1eeb vi\u1ec7c kh\u1edbp d\u1ea3i l\u1ef1c v\u1edbi c\u00f4ng vi\u1ec7c.<\/p>\n\n\n\n

      Qu\u00e1 t\u1ea3i c\u0169ng khi\u1ebfn ng\u01b0\u1eddi v\u1eadn h\u00e0nh mu\u1ed1n ch\u1ea5n s\u00e1t \u0111\u00e1y m\u1ecdi th\u1ee9 \u201cv\u00ec c\u00f3 th\u1ec3\u201d. \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n r\u00fat ng\u1eafn tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 v\u00e0 l\u00e0m m\u1ecfng v\u1eadt li\u1ec7u \u1edf \u0111\u1ec9nh ch\u1ea5n m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

      Thi\u1ebfu t\u1ea3i l\u00e0m c\u00f4ng vi\u1ec7c b\u1ecb \u0111\u00f3i l\u1ef1c. Qu\u00e1 t\u1ea3i nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 \u00e9p c\u00f4ng vi\u1ec7c qu\u00e1 m\u1ee9c.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> H\u00e3y mua \u0111\u1ee7 c\u00f4ng su\u1ea5t v\u1edbi m\u1ed9t kho\u1ea3ng \u0111\u1ec7m, nh\u01b0ng ch\u1ecdn k\u00edch th\u01b0\u1edbc m\u00e1y sao cho c\u00e1c c\u00f4ng vi\u1ec7c th\u01b0\u1eddng xuy\u00ean c\u1ee7a b\u1ea1n n\u1eb1m trong d\u1ea3i l\u1ef1c ki\u1ec3m so\u00e1t \u1edf gi\u1eefa\u2014kh\u00f4ng \u1edf c\u00e1c c\u1ef1c.<\/p>\n\n\n\n

      T\u1ea1i sao chi\u1ec1u d\u00e0i b\u00e0n m\u00e1y gi\u1edbi h\u1ea1n nhi\u1ec1u h\u01a1n ch\u1ec9 k\u00edch th\u01b0\u1edbc chi ti\u1ebft<\/h3>\n\n\n\n

      M\u1ed9t m\u00e1y ch\u1ea5n 10 foot \u0111\u1ecbnh m\u1ee9c 150 t\u1ea5n kh\u00f4ng c\u00f3 ngh\u0129a b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng 150 t\u1ea5n \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u tr\u00ean 10 foot \u0111\u00f3 m\u00e0 kh\u00f4ng c\u00f3 h\u1eadu qu\u1ea3.<\/p>\n\n\n\n

      B\u00e0n d\u00e0i d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng h\u01a1n d\u01b0\u1edbi t\u1ea3i. \u0110\u00f3 l\u00e0 l\u00fd do h\u1ec7 th\u1ed1ng ch\u1ed1ng cong t\u1ed3n t\u1ea1i\u2014\u0111\u1ec3 ch\u1ed1ng l\u1ea1i \u0111\u1ed9 cong t\u1ef1 nhi\u00ean x\u1ea3y ra khi c\u1ea7n \u00e9p xu\u1ed1ng \u1edf gi\u1eefa.<\/p>\n\n\n\n

      Gi\u1edd h\u00e3y k\u1ebft h\u1ee3p chi\u1ec1u d\u00e0i v\u1edbi t\u1ea3i tr\u1ecdng tr\u00ean m\u1ed7i foot.<\/p>\n\n\n\n

      N\u1ebfu t\u00ednh to\u00e1n cho th\u1ea5y b\u1ea1n c\u1ea7n 30 t\u1ea5n m\u1ed7i foot cho m\u1ed9t c\u00f4ng vi\u1ec7c v\u00e0 b\u1ea1n \u0111ang ch\u1ea5n 8 foot, th\u00ec c\u1ea7n 240 t\u1ea5n ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i. M\u1ed9t m\u00e1y ch\u1ea5n 150 t\u1ea5n, 10 foot kh\u00f4ng ph\u1ea3i l\u00e0 \u201cg\u1ea7n \u0111\u1ee7\u201d. N\u00f3 thi\u1ebfu h\u1ee5t nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n

      L\u1eadt ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n

      N\u1ebfu b\u1ea1n ch\u1ec9 u\u1ed1n c\u00e1c chi ti\u1ebft d\u00e0i 3 foot, m\u1ed9t m\u00e1y 80 t\u1ea5n ng\u1eafn h\u01a1n, c\u1ee9ng h\u01a1n c\u00f3 th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n m\u1ed9t m\u00e1y phanh 150 t\u1ea5n d\u00e0i h\u01a1n v\u1ec1 \u0111\u1ed9 nh\u1ea5t qu\u00e1n g\u00f3c v\u00ec khung m\u00e1y \u00edt b\u1ecb bi\u1ebfn d\u1ea1ng h\u01a1n d\u01b0\u1edbi t\u1ea3i t\u01b0\u01a1ng t\u1ef1 theo t\u1ef7 l\u1ec7.<\/p>\n\n\n\n

      B\u1ea3ng th\u00f4ng s\u1ed1 cho b\u1ea1n bi\u1ebft l\u1ef1c t\u1ed1i \u0111a v\u00e0 chi\u1ec1u d\u00e0i t\u1ed1i \u0111a. N\u00f3 kh\u00f4ng cho b\u1ea1n bi\u1ebft \u0111\u1ed9 c\u1ee9ng, s\u1ef1 ph\u00e2n b\u1ed1 v\u00e0 vi\u1ec7c gi\u1ea3m t\u1ea3i th\u1ef1c t\u1ebf t\u01b0\u01a1ng t\u00e1c nh\u01b0 th\u1ebf n\u00e0o trong \u0111i\u1ec1u ki\u1ec7n c\u00f4ng vi\u1ec7c \u0111i\u1ec3n h\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

      V\u00e0 \u0111\u00f3 ch\u00ednh l\u00e0 c\u00e1i b\u1eaby th\u1ef1c s\u1ef1.<\/p>\n\n\n\n

      Mua chi\u1ebfc m\u00e1y l\u1edbn nh\u1ea5t b\u1ea1n c\u00f3 th\u1ec3 mua c\u1ea3m th\u1ea5y an to\u00e0n. Mua \u0111\u00fang s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa t\u1ea5n l\u1ef1c tr\u00ean m\u1ed7i foot v\u00e0 chi\u1ec1u d\u00e0i b\u00e0n ph\u00f9 h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n ch\u1ee7 \u0111\u1ea1o c\u1ee7a b\u1ea1n th\u00ec an to\u00e0n h\u01a1n.<\/p>\n\n\n\n

      \u0110i\u1ec1u n\u00e0y \u0111\u1eb7t ra c\u00e2u h\u1ecfi ti\u1ebfp theo: m\u1ed9t khi b\u1ea1n bi\u1ebft l\u01b0\u1ee3ng l\u1ef1c ki\u1ec3m so\u00e1t m\u00e0 b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n, c\u00e1ch m\u00e0 l\u1ef1c \u0111\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra\u2014th\u1ee7y l\u1ef1c, c\u01a1 kh\u00ed, servo\u2011\u0111i\u1ec7n\u2014\u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c khi b\u1ea1n truy\u1ec1n l\u1ef1c \u0111\u00f3?<\/p>\n\n\n\n

      Th\u1ee7y l\u1ef1c, Servo\u2011\u0110i\u1ec7n v\u00e0 C\u01a1 kh\u00ed: Gi\u1ea3i quy\u1ebft ba v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau<\/h2>\n\n\n\n

      T\u00f4i \u0111\u00e3 c\u00f3 hai m\u00e1y tr\u00ean s\u00e0n trong nhi\u1ec1u n\u0103m: m\u1ed9t m\u00e1y th\u1ee7y l\u1ef1c 200 t\u1ea5n v\u00e0 m\u1ed9t m\u00e1y phanh c\u01a1 kh\u00ed b\u00e1nh \u0111\u00e0 90 t\u1ea5n c\u0169 h\u01a1n. C\u00f9ng b\u00e0n d\u00e0i 10 foot. C\u00f9ng gi\u00e1 d\u1ee5ng c\u1ee5. C\u00f9ng c\u00e1c c\u00f4ng nh\u00e2n lu\u00e2n phi\u00ean s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

      Tr\u00ean l\u00fd thuy\u1ebft, c\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 u\u1ed1n th\u00e9p m\u1ec1m d\u00e0y 10 gauge \u1edf c\u00e1c \u0111o\u1ea1n ng\u1eafn. Trong th\u1ef1c t\u1ebf, m\u1ed9t m\u00e1y cho ph\u00e9p b\u1ea1n ti\u1ebfn d\u1ea7n \u0111\u1ebfn g\u00f3c theo t\u1eebng b\u01b0\u1edbc n\u1eeda \u0111\u1ed9; m\u00e1y kia ch\u1ea1m \u0111\u00e1y nh\u01b0 m\u1ed9t chi\u1ebfc b\u00faa r\u01a1i. M\u1ed9t m\u00e1y cho ph\u00e9p b\u1ea1n ch\u1ec9nh gi\u1eefa h\u00e0nh tr\u00ecnh; m\u00e1y kia th\u00ec cam k\u1ebft ngay khi ly h\u1ee3p \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n\n\n\n

      S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 kh\u00f4ng li\u00ean quan \u0111\u1ebfn t\u1ea5n l\u1ef1c th\u00f4. N\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1ch m\u00e1y t\u1ea1o ra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c trong su\u1ed1t h\u00e0nh tr\u00ecnh\u2014c\u00e1ch n\u00f3 t\u0103ng t\u1ed1c, gi\u1ea3m t\u1ed1c, v\u00e0 li\u1ec7u n\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh khi ch\u00e0y \u0111\u00e3 ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u hay kh\u00f4ng.<\/p>\n\n\n\n

      B\u1edfi v\u00ec \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 h\u1ea7u h\u1ebft c\u00e1c b\u1ea3ng th\u00f4ng s\u1ed1 b\u00e1n h\u00e0ng b\u1ecf qua: ngay c\u1ea3 nh\u1eefng m\u00e1y cao c\u1ea5p, b\u1ea5t k\u1ec3 lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng, th\u01b0\u1eddng gi\u1eef kho\u1ea3ng \u00b10,5\u00b0 g\u00f3c u\u1ed1n trong s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf m\u00e0 kh\u00f4ng c\u00f3 ph\u1ee5 ki\u1ec7n b\u1ed5 sung. V\u00e0 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u ch\u1ec9 v\u00e0i ph\u1ea7n ngh\u00ecn tr\u00ean c\u00e1c t\u1ea5m c\u00f3 th\u1ec3 l\u00e0m l\u1ec7ch 2\u20133\u00b0 b\u1ea5t k\u1ec3 nh\u00e3n hi\u1ec7u tr\u00ean th\u00e2n m\u00e1y.<\/p>\n\n\n\n

      V\u00ec v\u1eady, lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng kh\u00f4ng t\u1ea1o ra \u0111\u1ed9 ch\u00ednh x\u00e1c m\u1ed9t c\u00e1ch th\u1ea7n k\u1ef3. N\u00f3 quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t v\u00e0 l\u1eb7p l\u1ea1i c\u1ee7a l\u1ef1c t\u00ednh to\u00e1n khi th\u1ef1c t\u1ebf\u2014\u0111\u1ed9 h\u1ed3i \u0111\u00e0n, sai l\u1ec7ch \u0111\u1ed9 d\u00e0y, ma s\u00e1t\u2014b\u1eaft \u0111\u1ea7u ph\u1ea3n kh\u00e1ng.<\/p>\n\n\n\n

      \u0110\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng kh\u00f4ng thay \u0111\u1ed5i to\u00e1n h\u1ecdc c\u1ee7a t\u1ea5n l\u1ef1c\u2014n\u00f3 thay \u0111\u1ed5i m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 an to\u00e0n khi b\u1ea1n truy\u1ec1n t\u1ea5n l\u1ef1c \u0111\u00f3 trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

      M\u00e1y phanh c\u01a1 kh\u00ed: Nhanh, \u0111\u01a1n gi\u1ea3n, v\u00e0 ng\u00e0y c\u00e0ng kh\u00f3 bi\u1ec7n minh cho vi\u1ec7c mua m\u1edbi<\/h3>\n\n\n\n

      H\u00e3y h\u00ecnh dung m\u1ed9t b\u00e1nh \u0111\u00e0 quay v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i. B\u1ea1n \u0111\u1ea1p b\u00e0n \u0111\u1ea1p, ly h\u1ee3p g\u00e0i v\u00e0o, v\u00e0 n\u0103ng l\u01b0\u1ee3ng quay \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef chuy\u1ec3n th\u00e0nh l\u1ef1c tuy\u1ebfn t\u00ednh khi tay quay d\u1eabn c\u1ea7n \u00e9p xu\u1ed1ng qua h\u00e0nh tr\u00ecnh c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

      \u0110\u00f3 l\u00e0 m\u00e1y phanh c\u01a1 kh\u00ed.<\/p>\n\n\n\n

      \u0110\u01b0\u1eddng cong t\u1ea5n l\u1ef1c tr\u00ean m\u00e1y c\u01a1 kh\u00ed \u0111\u1ea1t \u0111\u1ec9nh g\u1ea7n cu\u1ed1i h\u00e0nh tr\u00ecnh. Tr\u00ean \u0111i\u1ec3m \u0111\u00f3, l\u1ef1c kh\u1ea3 d\u1ee5ng gi\u1ea3m nhanh. V\u00ec v\u1eady n\u1ebfu t\u00ednh to\u00e1n u\u1ed1n c\u1ee7a b\u1ea1n cho th\u1ea5y c\u1ea7n to\u00e0n b\u1ed9 c\u00f4ng su\u1ea5t, b\u1ea1n bu\u1ed9c ph\u1ea3i l\u00e0m vi\u1ec7c g\u1ea7n \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi d\u00f9 \u0111i\u1ec1u \u0111\u00f3 c\u00f3 l\u00fd t\u01b0\u1edfng cho ph\u01b0\u01a1ng ph\u00e1p hay kh\u00f4ng.<\/p>\n\n\n\n

      B\u1ea1n kh\u00f4ng \u201cvu\u1ed1t nh\u1eb9\u201d m\u00e1y phanh c\u01a1 kh\u00ed \u0111\u1ec3 \u0111\u1ea1t g\u00f3c. B\u1ea1n c\u0103n th\u1eddi gian.<\/p>\n\n\n\n

      N\u1ebfu l\u1ef1a ch\u1ecdn khu\u00f4n ho\u1eb7c \u01b0\u1edbc l\u01b0\u1ee3ng \u0111\u1ed9 h\u1ed3i \u0111\u00e0n c\u1ee7a b\u1ea1n sai, b\u1ea1n kh\u00f4ng th\u1ec3 gi\u1ea3m t\u1ed1c gi\u1eefa h\u00e0nh tr\u00ecnh v\u00e0 ch\u1ec9nh l\u1ea1i. M\u00e1y s\u1ebd cam k\u1ebft ngay khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. \u0110i\u1ec1u n\u00e0y khi\u1ebfn vi\u1ec7c s\u1ea3n xu\u1ea5t nhanh c\u00e1c chi ti\u1ebft l\u1eb7p l\u1ea1i tr\u1edf n\u00ean kh\u1ea3 thi\u2014th\u1eddi gian chu k\u1ef3 nhanh, c\u01a1 c\u1ea5u \u0111\u01a1n gi\u1ea3n\u2014nh\u01b0ng n\u00f3 tr\u1eebng ph\u1ea1t c\u00e1c l\u1ed7i thi\u1ebft l\u1eadp.<\/p>\n\n\n\n

      T\u00f4i \u0111\u00e3 xem m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1edbi c\u1ed1 g\u1eafng u\u1ed1n \u0111\u00e1y th\u00e9p kh\u00f4ng g\u1ec9 3\/16 tr\u00ean m\u1ed9t m\u00e1y c\u01a1 \u0111\u00e3 g\u1ea7n \u0111\u1ea1t c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c. Anh ta \u01b0\u1edbc l\u01b0\u1ee3ng \u0111\u1ed9 u\u1ed1n v\u01b0\u1ee3t qu\u00e1 th\u1ea5p h\u01a1n hai \u0111\u1ed9. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t chi ti\u1ebft 92 \u0111\u1ed9 trong khi b\u1ea3n v\u1ebd y\u00eau c\u1ea7u 90 \u0111\u1ed9. V\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf ph\u1ea9m.<\/p>\n\n\n\n

      H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: m\u00e1y ch\u1ea5n c\u01a1 gi\u1ed1ng nh\u01b0 m\u1ed9t m\u00e1y d\u1eadp \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 u\u1ed1n\u2014tuy\u1ec7t v\u1eddi khi quy tr\u00ecnh \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp chu\u1ea9n, nh\u01b0ng r\u1ea5t kh\u1eafc nghi\u1ec7t khi kh\u00f4ng.<\/p>\n\n\n\n

      Th\u00eam v\u00e0o \u0111\u00f3 l\u00e0 th\u1ef1c t\u1ebf v\u1ec1 an to\u00e0n. M\u00e1y h\u00e0nh tr\u00ecnh \u0111\u1ea7y kh\u00f4ng t\u1ef1 nhi\u00ean d\u1eebng gi\u1eefa ch\u1eebng; c\u00f3 th\u1ec3 l\u1eafp th\u00eam thi\u1ebft b\u1ecb c\u1ea3i ti\u1ebfn, nh\u01b0ng thi\u1ebft k\u1ebf g\u1ed1c xu\u1ea5t ph\u00e1t t\u1eeb th\u1eddi m\u00e0 ti\u00eau chu\u1ea9n b\u1ea3o v\u1ec7 kh\u00e1c. \u0110\u00f3 l\u00e0 m\u1ed9t l\u00fd do khi\u1ebfn ng\u00e0y nay \u00edt th\u1ea5y m\u00e1y m\u1edbi lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c b\u00e1n.<\/p>\n\n\n\n

      Ch\u00fang gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng ch\u00fang g\u1eb7p kh\u00f3 v\u1edbi v\u1ea5n \u0111\u1ec1 m\u00e0 ch\u00fang ta \u0111ang h\u01b0\u1edbng t\u1edbi: cung c\u1ea5p l\u1ef1c c\u00f3 ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c cho c\u00e1c c\u00f4ng vi\u1ec7c bi\u1ebfn \u0111\u1ed5i.<\/p>\n\n\n\n

      V\u1eady n\u1ebfu t\u1ed1c \u0111\u1ed9 l\u00e0 th\u1ebf m\u1ea1nh c\u1ee7a ch\u00fang, \u0111i\u1ec1u g\u00ec khi\u1ebfn th\u1ee7y l\u1ef1c chi\u1ebfm l\u0129nh h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng gia c\u00f4ng?<\/p>\n\n\n\n

      M\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c: V\u00ec sao s\u1ee9c m\u1ea1nh th\u00f4 v\u00e0 t\u00ednh \u0111a d\u1ee5ng khi\u1ebfn ch\u00fang th\u1ed1ng tr\u1ecb gia c\u00f4ng t\u1ed5ng h\u1ee3p<\/h3>\n\n\n\n

      H\u00e3y \u0111\u1ee9ng c\u1ea1nh m\u1ed9t m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c hi\u1ec7n \u0111\u1ea1i khi u\u1ed1n n\u1eb7ng. B\u1ea1n s\u1ebd nghe ti\u1ebfng b\u01a1m t\u1ea3i khi \u00e1p su\u1ea5t t\u0103ng. C\u1eef ch\u1ea5n h\u1ea1 xu\u1ed1ng d\u01b0\u1edbi d\u00f2ng ch\u1ea3y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1eeb c\u00e1c xi lanh th\u1ee7y l\u1ef1c\u2014l\u1ef1c \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi \u00e1p su\u1ea5t ch\u1ea5t l\u1ecfng t\u00e1c \u0111\u1ed9ng l\u00ean di\u1ec7n t\u00edch piston.<\/p>\n\n\n\n

      \u00c1p su\u1ea5t nh\u00e2n di\u1ec7n t\u00edch b\u1eb1ng l\u1ef1c. V\u1eadt l\u00fd \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n

      Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n quan tr\u1ecdng: \u00e1p su\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh li\u00ean t\u1ee5c trong su\u1ed1t h\u00e0nh tr\u00ecnh. B\u1ea1n c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm khi ti\u1ebfp c\u1eadn, t\u1eeb t\u1eeb ch\u1ea1m v\u00e0o, t\u0103ng \u00e1p su\u1ea5t d\u1ea7n, v\u00e0 th\u1eadm ch\u00ed gi\u1eef \u1edf \u0111\u00e1y \u0111\u1ec3 v\u1eadt li\u1ec7u th\u01b0 gi\u00e3n tr\u01b0\u1edbc khi tr\u1edf l\u1ea1i.<\/p>\n\n\n\n

      S\u1ef1 ki\u1ec3m so\u00e1t n\u00e0y quan tr\u1ecdng khi b\u1ea1n u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y \u1edf m\u1ed9t c\u00f4ng vi\u1ec7c, ch\u1ea5n \u0111\u00e1y \u1edf c\u00f4ng vi\u1ec7c ti\u1ebfp theo, v\u00e0 g\u1ea7n nh\u01b0 ch\u1ea5n d\u1eadp sau b\u1eefa tr\u01b0a.<\/p>\n\n\n\n

      Th\u1ee7y l\u1ef1c c\u0169ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng. C\u1ea7n 300 t\u1ea5n tr\u00ean 12 feet? 600 tr\u00ean 20? S\u1ee9c m\u1ea1nh ch\u1ea5t l\u1ecfng x\u1eed l\u00fd \u0111i\u1ec1u \u0111\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n b\u00e1nh \u0111\u00e0 to b\u1eb1ng l\u1ed1p xe t\u1ea3i. \u0110\u00f3 l\u00e0 l\u00fd do c\u00f4ng vi\u1ec7c t\u1ea5m n\u1eb7ng d\u1ef1a v\u00e0o th\u1ee7y l\u1ef1c.<\/p>\n\n\n\n

      Gi\u1edd h\u00e3y th\u1eed ki\u1ec3m tra tuy\u00ean b\u1ed1 \u201cth\u1ee7y l\u1ef1c ch\u00ednh x\u00e1c h\u01a1n\u201d.<\/p>\n\n\n\n

      C\u00e1c m\u00e1y hi\u1ec7n \u0111\u1ea1i thu\u1ed9c m\u1ecdi lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u1ecb tr\u00ed c\u1ef1c k\u1ef3 ch\u1eb7t ch\u1ebd\u2014\u1edf m\u1ee9c ph\u1ea7n ngh\u00ecn milim\u00e9t\u2014nh\u1edd khung c\u1ee9ng v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u1eef ch\u1ea5n \u0111\u1ed3ng b\u1ed9. Nh\u01b0ng \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u1ecb tr\u00ed kh\u00f4ng gi\u1ed1ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c u\u1ed1n trong s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

      G\u00f3c ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, h\u01b0\u1edbng th\u1edb, chi\u1ec1u r\u1ed9ng khu\u00f4n, v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i. M\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c n\u1ed5i b\u1eadt v\u00ec c\u00f3 th\u1ec3 t\u00edch h\u1ee3p \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean \u00e1p su\u1ea5t v\u00e0 h\u1ec7 th\u1ed1ng \u0111o g\u00f3c theo th\u1eddi gian th\u1ef1c. N\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u c\u1eef ch\u1ea5n m\u1ed9t c\u00e1ch linh ho\u1ea1t t\u1eeb chi ti\u1ebft n\u00e0y sang chi ti\u1ebft kh\u00e1c khi \u0111\u1ed9 d\u00e0y thay \u0111\u1ed5i.<\/p>\n\n\n\n

      \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf bi\u1ebfn thi\u00ean. N\u00f3 cung c\u1ea5p cho b\u1ea1n c\u00f4ng c\u1ee5 \u0111\u1ec3 qu\u1ea3n l\u00fd n\u00f3.<\/p>\n\n\n\n

      S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i? N\u0103ng l\u01b0\u1ee3ng. H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng ch\u1ea1y b\u01a1m li\u00ean t\u1ee5c, t\u1ea1o nhi\u1ec7t v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n ngay c\u1ea3 khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. B\u1ea3o tr\u00ec bao g\u1ed3m ph\u1edbt, van, v\u00e0 t\u00ecnh tr\u1ea1ng ch\u1ea5t l\u1ecfng. B\u1ecf qua \u0111i\u1ec1u \u0111\u00f3, b\u1ea1n s\u1ebd ph\u1ea3i \u0111u\u1ed5i theo g\u00f3c u\u1ed1n b\u1ecb l\u1ec7ch khi nhi\u1ec7t \u0111\u1ed9 d\u1ea7u thay \u0111\u1ed5i \u0111\u1ed9 nh\u1edbt.<\/p>\n\n\n\n

      N\u1ea5u ph\u1edbt \u0111\u1ee7 l\u00e2u v\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i ph\u1ee5c h\u1ed3i xi lanh thay v\u00ec xu\u1ea5t h\u00e0ng.<\/p>\n\n\n\n

      Th\u1ee7y l\u1ef1c th\u1ed1ng tr\u1ecb v\u00ec ch\u00fang gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c ph\u1ea1m vi r\u1ed9ng nh\u1ea5t c\u1ee7a c\u00e1c v\u1ea5n \u0111\u1ec1 cung c\u1ea5p l\u1ef1c\u2014t\u1ea3i tr\u1ecdng l\u1edbn, c\u00f4ng vi\u1ec7c bi\u1ebfn \u0111\u1ed5i, \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh\u2014m\u00e0 kh\u00f4ng gi\u1edbi h\u1ea1n b\u1ea1n trong m\u1ed9t c\u1eeda s\u1ed5 v\u1eadn h\u00e0nh h\u1eb9p.<\/p>\n\n\n\n

      Nh\u01b0ng n\u1ebfu c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n kh\u00f4ng bao gi\u1edd v\u01b0\u1ee3t qu\u00e1 t\u1ea5m m\u1ecfng, v\u00e0 sai l\u1ec7ch n\u1eeda \u0111\u1ed9 \u0111\u00e3 th\u1ea5y l\u00e0 l\u1ecfng l\u1ebbo?<\/p>\n\n\n\n

      M\u00e1y ch\u1ea5n servo-\u0111i\u1ec7n: L\u1ee3i th\u1ebf ch\u00ednh x\u00e1c t\u1edbi vi m\u00f4 (v\u00e0 nh\u1eefng s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i)<\/h3>\n\n\n\n

      B\u00e2y gi\u1edd h\u00e3y h\u00ecnh dung vi\u1ec7c thay th\u1ebf c\u00e1c xi lanh th\u1ee7y l\u1ef1c b\u1eb1ng v\u00edt me bi \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ed9ng b\u1edfi \u0111\u1ed9ng c\u01a1 servo. Kh\u00f4ng c\u00f3 d\u1ea7u. Kh\u00f4ng c\u00f3 ti\u1ebfng \u1ed3n c\u1ee7a b\u01a1m. Ch\u1ec9 c\u00f3 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng quay tr\u1ef1c ti\u1ebfp th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn c\u1ee7a c\u1ea7n \u00e9p.<\/p>\n\n\n\n

      M\u1ed9t phanh servo-\u0111i\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb c\u1ea7n \u00e9p trong ph\u1ea1m vi v\u00e0i ph\u1ea7n m\u01b0\u1eddi ngh\u00ecn inch. M\u00f4-men xo\u1eafn c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n k\u1ef9 thu\u1eadt s\u1ed1, n\u00ean gia t\u1ed1c v\u00e0 gi\u1ea3m t\u1ed1c r\u1ea5t ch\u00ednh x\u00e1c. Khi c\u1ea7n \u00e9p d\u1eebng l\u1ea1i, n\u00f3 gi\u1eef v\u1ecb tr\u00ed m\u00e0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 n\u00e9n c\u1ee7a ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

      Tr\u00ean v\u1eadt li\u1ec7u m\u1ecfng\u2014v\u00ed d\u1ee5 t\u1ea5m 1 \u0111\u1ebfn 4 mm\u2014\u0111\u00e2y l\u00e0 m\u1ed9t gi\u1ea5c m\u01a1. H\u00e0nh tr\u00ecnh ng\u1eafn. Tonnage th\u1ea5p. \u0110\u1ed9 l\u1eb7p l\u1ea1i cao. Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng ch\u1ec9 khi di chuy\u1ec3n.<\/p>\n\n\n\n

      H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: m\u1ed9t phanh servo-\u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 m\u1ed9t c\u1edd l\u00ea m\u00f4-men xo\u1eafn \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n h\u01a1n l\u00e0 m\u1ed9t k\u00edch th\u1ee7y l\u1ef1c. B\u1ea1n \u0111i\u1ec1u khi\u1ec3n l\u1ef1c th\u00f4ng qua m\u00f4-men xo\u1eafn c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 h\u00ecnh h\u1ecdc c\u1ee7a v\u00edt me, ch\u1ee9 kh\u00f4ng ph\u1ea3i th\u00f4ng qua ch\u1ea5t l\u1ecfng \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n

      Nh\u01b0ng gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn v\u1eabn t\u1ed3n t\u1ea1i.<\/p>\n\n\n\n

      H\u1ea7u h\u1ebft c\u00e1c m\u00e1y servo-\u0111i\u1ec7n \u0111\u1ec1u b\u1ecb gi\u1edbi h\u1ea1n th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi tonnage c\u1ef1c l\u1edbn th\u01b0\u1eddng th\u1ea5y trong c\u00f4ng vi\u1ec7c k\u1ebft c\u1ea5u n\u1eb7ng. N\u1ebfu \u0111\u1ea9y ch\u00fang g\u1ea7n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a li\u00ean t\u1ee5c, b\u1ea1n s\u1ebd g\u00e2y c\u0103ng th\u1eb3ng cho c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 kh\u00ed\u2014v\u00edt me, v\u00f2ng bi, h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng\u2014nh\u1eefng th\u1ee9 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 t\u1ea3i nh\u01b0 c\u00e1c xi lanh th\u1ee7y l\u1ef1c l\u1edbn.<\/p>\n\n\n\n

      V\u00e0 \u0111\u00e2y l\u00e0 \u0111i\u1ec3m m\u00e0 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng b\u1ecf qua: n\u1ebfu \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u thay \u0111\u1ed5i \u0111\u1ee7 \u0111\u1ec3 l\u00e0m l\u1ec7ch g\u00f3c 2\u00b0, \u0111\u1ed9 ch\u00ednh x\u00e1c vi \u0111\u1ecbnh v\u1ecb c\u0169ng kh\u00f4ng s\u1eeda \u0111\u01b0\u1ee3c chi ti\u1ebft. N\u1ebfu kh\u00f4ng c\u00f3 \u0111o g\u00f3c v\u00e0 b\u00f9 g\u00f3c tr\u1ef1c tuy\u1ebfn, b\u1ea1n v\u1eabn \u0111ang \u0111o\u00e1n \u0111\u1ed9 h\u1ed3i l\u00f2 xo.<\/p>\n\n\n\n

      Ph\u1ea7n c\u1ee9ng ch\u00ednh x\u00e1c kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c c\u00e1c quy lu\u1eadt v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

      V\u00ec v\u1eady, servo-\u0111i\u1ec7n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 u\u1ed1n t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 ch\u00ednh x\u00e1c cao tr\u00ean v\u1eadt li\u1ec7u m\u1ecfng h\u01a1n v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p ph\u1ed5 qu\u00e1t cho m\u1ecdi x\u01b0\u1edfng.<\/p>\n\n\n\n

      \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c m\u00e1y c\u1ed1 g\u1eafng chia \u0111\u00f4i s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n

      S\u1ef1 th\u1ecfa hi\u1ec7p lai: Vi\u1ec7c chia \u0111\u00f4i s\u1ef1 kh\u00e1c bi\u1ec7t c\u00f3 th\u1ef1c s\u1ef1 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng?<\/h3>\n\n\n\n

      M\u00e1y lai th\u01b0\u1eddng k\u1ebft h\u1ee3p m\u1ed9t b\u01a1m d\u1eabn \u0111\u1ed9ng b\u1eb1ng servo v\u1edbi c\u00e1c xi lanh th\u1ee7y l\u1ef1c. Thay v\u00ec ch\u1ea1y m\u1ed9t \u0111\u1ed9ng c\u01a1 t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh khu\u1ea5y d\u1ea7u c\u1ea3 ng\u00e0y, \u0111\u1ed9ng c\u01a1 servo ch\u1ec9 quay b\u01a1m khi c\u1ea7n \u00e1p su\u1ea5t.<\/p>\n\n\n\n

      Trong c\u00f4ng vi\u1ec7c nh\u1eb9, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng gi\u1ea3m v\u00ec \u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ea1y kh\u00f4ng t\u1ea3i d\u01b0\u1edbi \u00e1p l\u1ef1c. Trong c\u00e1c l\u1ea7n u\u1ed1n n\u1eb7ng, b\u1ea1n v\u1eabn c\u00f3 m\u1eadt \u0111\u1ed9 l\u1ef1c v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u1ee7y l\u1ef1c.<\/p>\n\n\n\n

      Nghe c\u00f3 v\u1ebb ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

      Nh\u01b0ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ph\u1ee5 thu\u1ed9c v\u00e0o chu k\u1ef3 l\u00e0m vi\u1ec7c. N\u1ebfu x\u01b0\u1edfng c\u1ee7a b\u1ea1n ch\u1ea1y li\u00ean t\u1ee5c c\u00e1c l\u1ea7n u\u1ed1n n\u1eb7ng g\u1ea7n c\u00f4ng su\u1ea5t, b\u01a1m d\u1eabn \u0111\u1ed9ng b\u1eb1ng servo v\u1eabn ho\u1ea1t \u0111\u1ed9ng h\u1ea7u h\u1ebft th\u1eddi gian. Ti\u1ebft ki\u1ec7m gi\u1ea3m. N\u1ebfu b\u1ea1n ch\u1ea1y c\u00e1c c\u00f4ng vi\u1ec7c nh\u1eb9, gi\u00e1n \u0111o\u1ea1n, s\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 th\u1eadt.<\/p>\n\n\n\n

      X\u00e9t v\u1ec1 kh\u1ea3 n\u0103ng cung c\u1ea5p l\u1ef1c, m\u00e1y lai ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c tinh ch\u1ec9nh. B\u1ea1n v\u1eabn c\u00f3 \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean \u00e1p su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng tonnage cao, v\u1edbi hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 th\u01b0\u1eddng l\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ea7n \u00e9p m\u01b0\u1ee3t h\u01a1n.<\/p>\n\n\n\n

      Ch\u00fang kh\u00f4ng t\u1ef1 nhi\u00ean v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u1ee7y l\u1ef1c thu\u1ea7n v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c; ch\u00fang c\u1ea3i thi\u1ec7n c\u00e1ch l\u1ef1c \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n

      V\u00ec v\u1eady, kh\u00f4ng, vi\u1ec7c chia \u0111\u00f4i s\u1ef1 kh\u00e1c bi\u1ec7t kh\u00f4ng t\u1ef1 \u0111\u1ed9ng ti\u1ebft ki\u1ec7m ti\u1ec1n. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch h\u1ed3 s\u01a1 tonnage t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o trong su\u1ed1t m\u1ed9t ca.<\/p>\n\n\n\n

      V\u00e0 \u0111\u00f3 l\u00e0 l\u00fac ch\u00fang ta ph\u1ea3i \u0111\u1ea3o ng\u01b0\u1ee3c g\u00f3c nh\u00ecn.<\/p>\n\n\n\n

      B\u1edfi v\u00ec m\u1ed9t khi b\u1ea1n hi\u1ec3u c\u00e1ch m\u1ed7i lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng cung c\u1ea5p l\u1ef1c\u2014nhanh v\u00e0 d\u1ee9t kho\u00e1t, linh ho\u1ea1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c, \u0111o l\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1\u2014b\u1ea1n s\u1ebd ng\u1eebng h\u1ecfi m\u00e1y n\u00e0o l\u00e0 \u201ct\u1ed1t nh\u1ea5t\u201d v\u00e0 b\u1eaft \u0111\u1ea7u h\u1ecfi m\u00e1y n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng l\u1ef1c m\u00e0 c\u00e1c chi ti\u1ebft c\u1ee7a b\u1ea1n th\u1ef1c s\u1ef1 n\u1eb1m trong \u0111\u00f3.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Ch\u1ecdn h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng ph\u00f9 h\u1ee3p v\u1edbi d\u1ea3i t\u1ea3i tr\u1ecdng \u0111i\u1ec3n h\u00ecnh v\u00e0 nhu c\u1ea7u \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n\u2014ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n l\u1ef1c ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng vi\u1ec7c, kh\u00f4ng ph\u1ea3i l\u00f2ng t\u1ef1 t\u00f4n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

      Nh\u00ecn m\u00e1y ch\u1ea5n kim lo\u1ea1i theo c\u00e1ch kh\u00e1c: t\u1eeb \u201cm\u00e1y u\u1ed1n kim lo\u1ea1i\u201d \u0111\u1ebfn h\u1ec7 th\u1ed1ng t\u1ea1o h\u00ecnh ch\u00ednh x\u00e1c<\/h2>\n\n\n\n

      B\u1ea1n \u0111ang \u0111\u1eb7t \u0111\u00fang c\u00e2u h\u1ecfi: v\u1edbi v\u1eadt li\u1ec7u c\u1ee7a t\u00f4i, d\u1ea3i \u0111\u1ed9 d\u00e0y c\u1ee7a t\u00f4i, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u01a1n h\u00e0ng l\u1ebb v\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng n\u00e0o th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p?<\/p>\n\n\n\n

      T\u1ed1t. B\u1edfi n\u1ebfu b\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c t\u1edd r\u01a1i qu\u1ea3ng c\u00e1o, b\u1ea1n s\u1ebd k\u1ebft th\u00fac b\u1eb1ng vi\u1ec7c mua m\u1ed9t \u201ct\u00ednh c\u00e1ch\u201d thay v\u00ec m\u1ed9t chi\u1ebfc m\u00e1y.<\/p>\n\n\n\n

      M\u00e1y ch\u1ea5n kh\u00f4ng ph\u1ea3i l\u00e0 \u201cm\u00e1y u\u1ed1n kim lo\u1ea1i.\u201d N\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng truy\u1ec1n l\u1ef1c \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n, gi\u1ed1ng nh\u01b0 m\u1ed9t c\u1edd l\u00ea l\u1ef1c v\u1edbi b\u00e0n m\u00e1y v\u00e0 th\u01b0\u1edbc \u0111o sau g\u1eafn k\u00e8m. T\u1ea5m kim lo\u1ea1i trong tay b\u1ea1n\u2014\u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u1ec1n k\u00e9o, h\u01b0\u1edbng th\u1edb, y\u00eau c\u1ea7u b\u00e1n k\u00ednh b\u00ean trong\u2014\u0111\u00f3 l\u00e0 phi\u1ebfu c\u00f4ng vi\u1ec7c. M\u00e1y ch\u1ec9 l\u00e0 c\u00e1ch b\u1ea1n \u00e1p d\u1ee5ng l\u1ef1c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng h\u00ecnh d\u1ea1ng \u0111\u00f3.<\/p>\n\n\n\n

      H\u00e3y ngh\u0129 th\u1ebf n\u00e0y: n\u1ebfu b\u1ea1n s\u1ebd kh\u00f4ng ch\u1ec9nh c\u1edd l\u00ea l\u1ef1c b\u1eb1ng c\u00e1ch \u0111o\u00e1n xem con \u1ed1c \u201ctr\u00f4ng\u201d m\u1ea1nh th\u1ebf n\u00e0o, t\u1ea1i sao b\u1ea1n l\u1ea1i ch\u1ecdn m\u00e1y ch\u1ea5n ch\u1ec9 v\u00ec n\u00f3 \u201cc\u00f3 v\u1ebb \u0111\u1ee7 n\u1eb7ng\u201d?<\/p>\n\n\n\n

      S\u1ef1 thay \u0111\u1ed5i kh\u00f4ng r\u00f5 r\u00e0ng l\u00e0 th\u1ebf n\u00e0y: b\u1ea1n kh\u00f4ng ch\u1ecdn m\u00e1y tr\u01b0\u1edbc r\u1ed3i m\u1edbi xem c\u00f4ng vi\u1ec7c n\u00e0o ph\u00f9 h\u1ee3p. B\u1ea1n x\u00e1c \u0111\u1ecbnh kho\u1ea3ng l\u1ef1c m\u00e0 c\u00e1c chi ti\u1ebft c\u1ee7a b\u1ea1n n\u1eb1m trong \u0111\u00f3, r\u1ed3i ch\u1ecdn h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong kho\u1ea3ng \u0111\u00f3.<\/p>\n\n\n\n

      B\u1ecf qua th\u1ee9 t\u1ef1 n\u00e0y v\u00e0 b\u1ea1n s\u1ebd l\u00e0m \u0111i\u1ec1u t\u00f4i \u0111\u00e3 th\u1ea5y h\u00e0ng tr\u0103m l\u1ea7n\u2014mua 175 t\u1ea5n l\u00f2ng t\u1ef1 t\u00f4n cho m\u1ed9t x\u01b0\u1edfng ch\u1ee7 y\u1ebfu ch\u1ea5n c\u00e1c gi\u00e1 \u0111\u1ee1 th\u00e9p d\u00e0y 16 gauge.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> Chi ti\u1ebft \u0111\u1ecbnh ngh\u0129a kho\u1ea3ng l\u1ef1c; m\u00e1y ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng tho\u1ea3i m\u00e1i trong kho\u1ea3ng \u0111\u00f3.<\/p>\n\n\n\n

      B\u1eaft \u0111\u1ea7u v\u1edbi chi ti\u1ebft gia c\u00f4ng (\u0111\u1ed9 d\u00e0y, v\u1eadt li\u1ec7u, b\u00e1n k\u00ednh), kh\u00f4ng ph\u1ea3i b\u1ea3ng th\u00f4ng s\u1ed1 m\u00e1y<\/h3>\n\n\n\n

      L\u1ea5y m\u1ed9t v\u00ed d\u1ee5 th\u1ef1c t\u1ebf. Gi\u1ea3 s\u1eed c\u00f4ng vi\u1ec7c ch\u1ee7 l\u1ef1c c\u1ee7a b\u1ea1n l\u00e0 gi\u00e1 \u0111\u1ee1 th\u00e9p m\u1ec1m d\u00e0y 10 gauge, d\u00e0i 48 inch, ch\u1ea5n gi\u00f3 th\u00e0nh g\u00f3c 90 v\u1edbi b\u00e1n k\u00ednh b\u00ean trong 0,125 inch.<\/p>\n\n\n\n

      Tr\u01b0\u1edbc khi b\u1ea1n ngh\u0129 \u0111\u1ebfn \u201cth\u1ee7y l\u1ef1c\u201d hay \u201cservo-\u0111i\u1ec7n,\u201d b\u1ea1n t\u00ednh l\u1ef1c ch\u1ea5n tr\u00ean m\u1ed7i foot, nh\u00e2n v\u1edbi chi\u1ec1u d\u00e0i, v\u00e0 ki\u1ec3m tra kh\u1ea9u \u0111\u1ed9 V-die c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t b\u00e1n k\u00ednh \u0111\u00f3. \u0110\u1ed9 d\u00e0y quy\u1ebft \u0111\u1ecbnh l\u1ef1c ch\u1ea5n theo b\u00ecnh ph\u01b0\u01a1ng. G\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y kh\u00f4ng ph\u1ea3i g\u1ea5p \u0111\u00f4i l\u1ef1c\u2014m\u00e0 l\u00e0 g\u1ea5p b\u1ed1n l\u1ea7n. \u0110\u00f3 kh\u00f4ng ph\u1ea3i chuy\u1ec7n nh\u1ecf. \u0110\u00f3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u1ea1y \u00eam v\u00e0 r\u00ean r\u1ec9.<\/p>\n\n\n\n

      Gi\u1edd th\u00eam y\u1ebfu t\u1ed1 h\u1ed7n h\u1ee3p s\u1ea3n xu\u1ea5t. N\u1ebfu 80% c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n l\u00e0 th\u00e9p m\u1ecfng\u20141 \u0111\u1ebfn 3 mm\u2014v\u1edbi dung sai g\u00f3c ch\u1eb7t v\u00e0 h\u00e0nh tr\u00ecnh ng\u1eafn, m\u00e1y servo-\u0111i\u1ec7n n\u1eb1m trong v\u00f9ng ho\u1ea1t \u0111\u1ed9ng l\u00fd t\u01b0\u1edfng: chu k\u1ef3 nhanh, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p, ki\u1ec3m so\u00e1t v\u1ecb tr\u00ed cao. Nh\u01b0ng n\u1ebfu 30% c\u00f4ng vi\u1ec7c h\u00e0ng th\u00e1ng c\u1ee7a b\u1ea1n g\u1ed3m t\u1ea5m d\u00e0y 3\/8 ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng ch\u1ea5n d\u00e0i 12 foot g\u1ea7n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a, th\u00ec c\u00f9ng m\u00e1y \u0111\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c tr\u1ea7n, kh\u00f4ng ph\u1ea3i \u0111i\u1ec3m ng\u1ecdt.<\/p>\n\n\n\n

      M\u1ee9c tr\u1ea7n l\u00e0 n\u01a1i linh ki\u1ec7n m\u00f2n v\u00e0 chi ti\u1ebft b\u1ecb l\u1ec7ch.<\/p>\n\n\n\n

      V\u00e0 \u0111\u00e2y l\u00e0 ch\u1ed7 ng\u01b0\u1eddi m\u1edbi b\u1ecb h\u1edb: h\u1ecd nh\u00ecn v\u00e0o l\u1ef1c ch\u1ea5n t\u1ed1i \u0111a trong s\u00e1ch h\u01b0\u1edbng d\u1eabn v\u00e0 cho r\u1eb1ng m\u00ecnh an to\u00e0n. Nh\u01b0ng l\u1ef1c ch\u1ea5n \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 theo chi\u1ec1u d\u00e0i. M\u00e1y 100 t\u1ea5n kh\u00f4ng ph\u1ea3i l\u00e0 m\u00e1y 100 t\u1ea5n n\u1ebfu \u0111\u01b0\u1eddng ch\u1ea5n c\u1ee7a b\u1ea1n c\u1ea7n 85 t\u1ea5n tr\u00ean 12 foot v\u00e0 khung m\u00e1y b\u1ecb v\u00f5ng m\u00e0 kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng b\u00f9 cong th\u00edch h\u1ee3p. \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n t\u1ea1o ra chi ti\u1ebft ch\u1eb7t \u1edf hai \u0111\u1ea7u v\u00e0 h\u1edf \u1edf gi\u1eefa.<\/p>\n\n\n\n

      Tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

      V\u00ec v\u1eady b\u1ea1n x\u00e1c \u0111\u1ecbnh ba y\u1ebfu t\u1ed1 tr\u01b0\u1edbc khi g\u1ecdi cho nh\u00e0 cung c\u1ea5p: v\u1eadt li\u1ec7u d\u00e0y nh\u1ea5t th\u01b0\u1eddng d\u00f9ng, \u0111\u01b0\u1eddng ch\u1ea5n d\u00e0i nh\u1ea5t th\u01b0\u1eddng d\u00f9ng, v\u00e0 dung sai g\u00f3c ch\u1eb7t nh\u1ea5t. Tam gi\u00e1c n\u00e0y \u0111\u1ecbnh ngh\u0129a ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng th\u1ef1c c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

      M\u1ecdi th\u1ee9 kh\u00e1c ch\u1ec9 l\u00e0 nhi\u1ec5u.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> T\u00ednh to\u00e1n l\u1ef1c ch\u1ea5n, chi\u1ec1u d\u00e0i v\u00e0 ph\u1ea1m vi dung sai th\u1ef1c tr\u01b0\u1edbc\u2014r\u1ed3i xem m\u00e1y n\u00e0o ho\u1ea1t \u0111\u1ed9ng trong \u0111\u00f3 m\u00e0 kh\u00f4ng b\u1ecb c\u0103ng.<\/p>\n\n\n\n

      Kho\u1ea3nh kh\u1eafc m\u00e1y ch\u1ea5n tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 sai ho\u00e0n to\u00e0n (m\u00e1y u\u1ed1n \u1ed1ng, m\u00e1y u\u1ed1n \u1ed1ng tr\u00f2n v\u00e0 m\u00e1y g\u1ea5p t\u1ea5m)<\/h3>\n\n\n\n

      Gi\u1edd h\u00e3y th\u1eed ki\u1ec3m tra \u00e1p l\u1ef1c v\u1edbi \u00fd t\u01b0\u1edfng r\u1eb1ng m\u00e1y ch\u1ea5n lu\u00f4n l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi.<\/p>\n\n\n\n

      N\u1ebfu b\u1ea1n \u0111ang t\u1ea1o h\u00ecnh \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn, b\u1ea1n kh\u00f4ng u\u1ed1n t\u1ea5m kim lo\u1ea1i qua khu\u00f4n h\u00ecnh ch\u1eef V \u2014 b\u1ea1n \u0111ang ki\u1ec3m so\u00e1t s\u1ef1 b\u1ea7u h\u00f3a, m\u1ecfng \u0111i c\u1ee7a th\u00e0nh v\u00e0 b\u00e1n k\u00ednh trung t\u00e2m quanh m\u1ed9t khu\u00f4n. \u0110\u00f3 l\u00e0 l\u0129nh v\u1ef1c u\u1ed1n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p quay k\u00e9o. C\u01a1 ch\u1ebf kh\u00e1c nhau. \u0110\u01b0\u1eddng truy\u1ec1n l\u1ef1c kh\u00e1c nhau.<\/p>\n\n\n\n

      Th\u1eed gi\u1ea3 v\u1edd l\u00e0m tr\u00ean m\u00e1y u\u1ed1n tr\u1ee5c v\u1edbi d\u1ee5ng c\u1ee5 \u1ee9ng bi\u1ebfn v\u00e0 b\u1ea1n s\u1ebd nghi\u1ec1n n\u00e1t bi\u00ean d\u1ea1ng ho\u1eb7c l\u00e0m bi\u1ebfn d\u1ea1ng ti\u1ebft di\u1ec7n. T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y m\u1ed9t h\u1ecdc vi\u1ec7c m\u1edbi l\u00e0m b\u1eb9p \u1ed1ng vu\u00f4ng v\u00ec anh ta ngh\u0129 r\u1eb1ng \u201c\u00e1p l\u1ef1c l\u00e0 \u00e1p l\u1ef1c.\u201d<\/p>\n\n\n\n

      Chi ti\u1ebft \u0111\u00f3 ch\u01b0a bao gi\u1edd qua \u0111\u01b0\u1ee3c kh\u00e2u ki\u1ec3m tra.<\/p>\n\n\n\n

      C\u0169ng gi\u1ed1ng v\u1edbi c\u00e1c t\u1ea5m l\u1edbn v\u00e0 l\u1edbp b\u1ec1 m\u1eb7t mang t\u00ednh th\u1ea9m m\u1ef9. N\u1ebfu c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c t\u1ea5m nh\u00f4m m\u1ecfng v\u1edbi g\u1edd r\u1ed9ng v\u00e0 b\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9, m\u00e1y g\u1ea5p c\u00f3 th\u1ec3 cho b\u1ea1n kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n v\u1edbi \u00edt d\u1ea5u v\u1ebft h\u01a1n v\u00ec n\u00f3 k\u1eb9p v\u00e0 g\u1ea5p thay v\u00ec \u00e9p v\u1eadt li\u1ec7u v\u00e0o khu\u00f4n.<\/p>\n\n\n\n

      H\u00e3y nh\u00ecn theo c\u00e1ch n\u00e0y: m\u00e1y u\u1ed1n tr\u1ee5c \u00e9p t\u1eadp trung l\u1ef1c d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac h\u1eb9p. M\u00e1y g\u1ea5p ph\u00e2n b\u1ed5 l\u1ef1c d\u1ecdc theo m\u00e9p k\u1eb9p. N\u1ebfu ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 h\u1ea1n ch\u1ebf d\u1ea5u v\u1ebft l\u00e0 y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n, h\u00ecnh h\u1ecdc ph\u00e2n ph\u1ed1i l\u1ef1c quan tr\u1ecdng h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u01a1n thu\u1ea7n c\u00f4ng su\u1ea5t l\u1ef1c.<\/p>\n\n\n\n

      \u0110i\u1ec1u kh\u00f4ng hi\u1ec3n nhi\u00ean? \u0110\u00f4i khi l\u1ef1a ch\u1ecdn m\u00e1y u\u1ed1n tr\u1ee5c \u201ckh\u00f4n ngoan\u201d nh\u1ea5t l\u1ea1i l\u00e0 kh\u00f4ng mua m\u00e1y u\u1ed1n tr\u1ee5c.<\/p>\n\n\n\n

      Th\u00f4ng \u0111i\u1ec7p r\u00fat ra:<\/strong> N\u1ebfu \u0111\u01b0\u1eddng truy\u1ec1n l\u1ef1c c\u1ee7a m\u00e1y u\u1ed1n tr\u1ee5c ch\u1ed1ng l\u1ea1i h\u00ecnh h\u1ecdc c\u1ee7a b\u1ea1n, b\u1ea1n \u0111ang d\u00f9ng sai m\u00e1y \u2014 kh\u00f4ng h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng n\u00e0o kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n

      T\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y m\u1ed9t c\u00e1ch t\u1ef1 tin b\u1eaft \u0111\u1ea7u t\u1eeb l\u1ef1c v\u00e0 h\u00ecnh h\u1ecdc, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u00ean th\u01b0\u01a1ng hi\u1ec7u<\/h3>\n\n\n\n

      \u0110\u1ebfn gi\u1edd b\u1ea1n \u0111\u00e3 th\u1ea5y m\u00f4 h\u00ecnh. V\u1eadt li\u1ec7u quy\u1ebft \u0111\u1ecbnh c\u00f4ng su\u1ea5t l\u1ef1c. Chi\u1ec1u d\u00e0i quy\u1ebft \u0111\u1ecbnh ph\u00e2n ph\u1ed1i. H\u00ecnh h\u1ecdc quy\u1ebft \u0111\u1ecbnh d\u1ee5ng c\u1ee5. K\u1ebft h\u1ee3p s\u1ea3n xu\u1ea5t quy\u1ebft \u0111\u1ecbnh chu k\u1ef3 l\u00e0m vi\u1ec7c. Ch\u1ec9 sau \u0111\u00f3 b\u1ea1n m\u1edbi n\u00f3i \u0111\u1ebfn h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng.<\/p>\n\n\n\n

      \u0110\u00e2y l\u00e0 khung t\u00f4i d\u1ea1y cho h\u1ecdc vi\u1ec7c ngh\u0129 r\u1eb1ng \u201cl\u1edbn h\u01a1n l\u00e0 an to\u00e0n h\u01a1n\u201d:<\/p>\n\n\n\n

        \n
      1. X\u00e1c \u0111\u1ecbnh c\u00e1c c\u00f4ng vi\u1ec7c 10% l\u1edbn nh\u1ea5t c\u1ee7a b\u1ea1n \u2014 nh\u1eefng l\u1ea7n u\u1ed1n d\u00e0y nh\u1ea5t, d\u00e0i nh\u1ea5t, c\u1ea7n c\u00f4ng su\u1ea5t l\u1ef1c cao nh\u1ea5t m\u00e0 b\u1ea1n th\u1ef1c s\u1ef1 th\u1ef1c hi\u1ec7n, kh\u00f4ng ph\u1ea3i nh\u1eefng th\u1ee9 b\u1ea1n t\u01b0\u1edfng t\u01b0\u1ee3ng.<\/li>\n\n\n\n
      2. X\u00e1c \u0111\u1ecbnh 70% h\u00e0ng ng\u00e0y c\u1ee7a b\u1ea1n \u2014 nh\u1eefng chi ti\u1ebft gi\u00fap b\u1ea1n tr\u1ea3 ti\u1ec1n thu\u00ea nh\u00e0.<\/li>\n\n\n\n
      3. Ki\u1ec3m tra xem ch\u00fang thu\u1ed9c v\u00f9ng l\u1ef1c th\u1ea5p\/t\u1ed1c \u0111\u1ed9 cao hay l\u1ef1c cao\/bi\u1ebfn \u0111\u1ed5i.<\/li>\n<\/ol>\n\n\n\n

        N\u1ebfu 10% l\u1edbn nh\u1ea5t c\u1ee7a b\u1ea1n th\u00fac \u0111\u1ea9y 80\u201390% c\u1ee7a c\u00f4ng su\u1ea5t m\u00e1y servo-electric, \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 d\u01b0 \u0111\u1ecba \u2014 \u0111\u00f3 l\u00e0 c\u0103ng th\u1eb3ng. N\u1ebfu 70% h\u00e0ng ng\u00e0y c\u1ee7a b\u1ea1n kh\u00f4ng bao gi\u1edd v\u01b0\u1ee3t kh\u1ecfi v\u1eadt li\u1ec7u m\u1ecfng, m\u1ed9t m\u00e1y th\u1ee7y l\u1ef1c l\u1edbn ch\u1ea1y g\u1ea7n nh\u01b0 kh\u00f4ng t\u1ea3i c\u1ea3 ng\u00e0y l\u00e0 s\u1ee9c m\u1ea1nh v\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ecb l\u00e3ng ph\u00ed.<\/p>\n\n\n\n

        M\u00e1y c\u01a1 kh\u00ed? N\u1ebfu c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n l\u1eb7p l\u1ea1i v\u00e0 gi\u1ed1ng h\u1ec7t \u2014 c\u00f9ng v\u1eadt li\u1ec7u, c\u00f9ng h\u00e0nh tr\u00ecnh, h\u00e0ng ngh\u00ecn chi ti\u1ebft \u2014 ch\u00fang c\u00f3 th\u1ec3 c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3. Nh\u01b0ng ch\u00fang kh\u00f4ng d\u1eebng gi\u1eefa chu k\u1ef3. Trong c\u00f4ng vi\u1ec7c bi\u1ebfn \u0111\u1ed5i ki\u1ec3u x\u01b0\u1edfng gia c\u00f4ng, \u0111\u00f3 l\u00e0 c\u00e1ch b\u1ea1n v\u01b0\u1ee3t qu\u00e1 v\u00e0 ph\u1ea3i ch\u1ec9nh g\u00f3c c\u1ea3 bu\u1ed5i chi\u1ec1u. K\u1ebft qu\u1ea3 anh ta nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 chi ti\u1ebft 92 \u0111\u1ed9 tr\u00ean b\u1ea3n v\u1ebd y\u00eau c\u1ea7u 90 \u0111\u1ed9.<\/p>\n\n\n\n

        S\u1ef1 t\u1ef1 tin kh\u00f4ng \u0111\u1ebfn t\u1eeb logo tr\u00ean panel b\u00ean h\u00f4ng. N\u00f3 \u0111\u1ebfn t\u1eeb vi\u1ec7c bi\u1ebft r\u1eb1ng chi ti\u1ebft c\u1ee7a b\u1ea1n n\u1eb1m trong kho\u1ea3ng, v\u00ed d\u1ee5, t\u1eeb 15 \u0111\u1ebfn 60 t\u1ea5n h\u1ea7u h\u1ebft th\u1eddi gian, th\u1ec9nh tho\u1ea3ng t\u0103ng l\u00ean 120 \u2014 v\u00e0 ch\u1ecdn m\u1ed9t m\u00e1y c\u00f3 h\u00e0nh vi truy\u1ec1n l\u1ef1c \u1ed5n \u0111\u1ecbnh, ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c v\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ea9y \u0111\u1ebfn m\u1ee9c t\u1ed1i \u0111a trong kho\u1ea3ng \u0111\u00f3.<\/p>\n\n\n\n

        V\u00ec v\u1eady khi b\u1ea1n h\u1ecfi h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi x\u01b0\u1edfng c\u1ee7a b\u1ea1n, c\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee7y l\u1ef1c, servo-electric, hybrid hay c\u01a1 kh\u00ed.<\/p>\n\n\n\n

        C\u00e2u tr\u1ea3 l\u1eddi l\u00e0: h\u1ec7 th\u1ed1ng c\u00f3 ph\u1ea1m vi l\u1ef1c ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c ch\u1ed3ng l\u1ea5n v\u1edbi ph\u1ea1m vi c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n, k\u00e8m theo d\u01b0 \u0111\u1ecba.<\/p>\n\n\n\n

        V\u00e0 m\u1ed9t khi b\u1ea1n nh\u00ecn theo c\u00e1ch \u0111\u00f3, b\u1ea1n s\u1ebd ng\u1eebng mua s\u1eafm m\u00e1y m\u00f3c.<\/p>\n\n\n\n

        B\u1ea1n b\u1eaft \u0111\u1ea7u gh\u00e9p h\u1ec7 th\u1ed1ng l\u1ef1c v\u1edbi h\u00ecnh h\u1ecdc.<\/p>","protected":false},"excerpt":{"rendered":"

        M\u00f9a xu\u00e2n n\u0103m ngo\u00e1i, t\u00f4i c\u00f3 m\u1ed9t c\u1eadu b\u00e9 ch\u1ea1y m\u1ed9t thanh th\u00e9p kh\u00f4ng g\u1ec9 14-gauge d\u00e0i 10 feet th\u1eb3ng v\u00e0o khu\u00f4n nh\u01b0 th\u1ec3 \u0111ang d\u1eabm nho. C\u1ea7n \u00e9p h\u1ea1 xu\u1ed1ng. D\u1eebng c\u1ee9ng. C\u1eadu ta ngh\u0129 r\u1eb1ng \u00e1p l\u1ef1c nhi\u1ec1u h\u01a1n s\u1ebd t\u1ea1o ra m\u1ed9t g\u00f3c u\u1ed1n ch\u1eb7t h\u01a1n. \u0110i\u1ec1u c\u1eadu ta nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 m\u1ed9t chi ti\u1ebft 92 \u0111\u1ed9 trong khi b\u1ea3n v\u1ebd y\u00eau c\u1ea7u 90 \u0111\u1ed9. V\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u00f3 l\u00e0 ph\u1ebf li\u1ec7u. C\u1eadu ta ngh\u0129 r\u1eb1ng m\u00e1y [\u2026]<\/p>","protected":false},"author":3,"featured_media":826,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-825","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/comments?post=825"}],"version-history":[{"count":2,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/825\/revisions"}],"predecessor-version":[{"id":1100,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/825\/revisions\/1100"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/826"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}