{"id":968,"date":"2026-03-03T01:13:33","date_gmt":"2026-03-03T01:13:33","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=968"},"modified":"2026-03-09T00:53:28","modified_gmt":"2026-03-09T00:53:28","slug":"press-brake-hydraulic-steel","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/press-brake-hydraulic-steel\/","title":{"rendered":"Gia c\u00f4ng th\u00e9p b\u1eb1ng m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c: V\u00ec sao th\u1ee7y l\u1ef1c chi\u1ebfm \u01b0u th\u1ebf (v\u00e0 c\u00e1ch th\u00e0nh th\u1ea1o n\u00f3)"},"content":{"rendered":"

T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ed9t t\u1ea5m th\u00e9p AR400 d\u00e0y 1 inch b\u1ecb n\u1ee9t to\u00e1c v\u1edbi \u00e2m thanh nh\u01b0 ti\u1ebfng s\u00fang tr\u01b0\u1eddng.<\/p>\n\n\n\n

Ch\u00fang t\u00f4i \u0111ang s\u1eed d\u1ee5ng m\u00e1y ch\u1ea5n c\u01a1 250 t\u1ea5n. B\u00e1nh \u0111\u00e0 \u0111ang quay. Ly h\u1ee3p \u0111\u00e3 \u0111\u00f3ng. \u0110\u1ea7u ch\u1ea5n h\u1ea1 xu\u1ed1ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh x\u1eed l\u00fd n\u00f3 nh\u01b0 m\u1ecdi l\u1ea7n u\u1ed1n kh\u00e1c m\u00e0 anh ta t\u1eebng th\u1ef1c hi\u1ec7n\u2014thi\u1ebft l\u1eadp c\u1eef ch\u1eb7n sau, nh\u1ea5n b\u00e0n \u0111\u1ea1p, \u0111\u1ec3 m\u00e1y t\u1ef1 l\u00e0m vi\u1ec7c. Ch\u00e0y ch\u1ea5n va \u0111\u1eadp m\u1ea1nh, ch\u1ea1m \u0111\u00e1y nhanh, v\u00e0 t\u1ea5m th\u00e9p kh\u00f4ng bi\u1ebfn d\u1ea1ng \u0111\u1ec1u. N\u00f3 b\u1ecb n\u1ee9t d\u1ecdc theo b\u00e1n k\u00ednh trong. S\u00e1u ngh\u00ecn \u0111\u00f4 la th\u00e9p bi\u1ebfn th\u00e0nh ph\u1ebf li\u1ec7u trong ch\u01b0a \u0111\u1ea7y hai gi\u00e2y.<\/p>\n\n\n\n

Anh ta c\u1ee9 n\u00f3i m\u00e3i: \u201cNh\u01b0ng n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho t\u1ea3i tr\u1ecdng \u0111\u00f3 m\u00e0.\u201d<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 c\u00e2u n\u00f3i khi\u1ebfn m\u1ecdi ng\u01b0\u1eddi b\u1ecb th\u01b0\u01a1ng.<\/p>\n\n\n\n

B\u1eaby \u0110\u1ed9ng N\u0103ng: T\u1ea1i sao vi\u1ec7c coi t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ea5n l\u00e0 \u201cm\u00e1y g\u1ea5p kim lo\u1ea1i\u201d th\u00f4ng th\u01b0\u1eddng l\u1ea1i ph\u00e1 h\u1ecfng c\u00e1c d\u1ef1 \u00e1n th\u00e9p<\/h2>\n\n\n\n

C\u00f3 l\u1ebd b\u1ea1n \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ea5n ch\u1ec9 l\u00e0 m\u1ed9t chi\u1ebfc m\u00e1y g\u1ea5p kim lo\u1ea1i v\u1edbi s\u1ee9c m\u1ea1nh l\u1edbn h\u01a1n. C\u0103n ch\u1ec9nh. Nh\u1ea5n. U\u1ed1n. L\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t khi b\u1ea1n \u0111ang g\u1ea5p th\u00e9p t\u1ea5m 11-gauge c\u1ea3 ng\u00e0y.<\/p>\n\n\n\n

Nh\u01b0ng ngay khi b\u1ea1n chuy\u1ec3n sang c\u00e1c lo\u1ea1i th\u00e9p t\u1ea5m c\u01b0\u1eddng \u0111\u1ed9 cao\u2014AR400, Hardox, th\u00e9p k\u1ebft c\u1ea5u t\u00f4i v\u00e0 ram\u2014b\u1ea1n kh\u00f4ng c\u00f2n \u0111ang g\u1ea5p gi\u1ea5y n\u1eefa. B\u1ea1n \u0111ang \u00e9p m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 d\u1ebbo th\u1ea5p v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y cao ph\u1ea3i bi\u1ebfn d\u1ea1ng m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 thao t\u00e1c \u201cnh\u1ea5n \u0111\u1ea1i r\u1ed3i c\u1ea7u nguy\u1ec7n\u201d. \u0110\u00f3 l\u00e0 s\u1ef1 bi\u1ebfn d\u1ea1ng d\u1ebbo c\u00f3 ki\u1ec3m so\u00e1t d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/p>\n\n\n\n

C\u00e1c lo\u1ea1i m\u00e1y kh\u00e1c nhau truy\u1ec1n t\u1ea3i tr\u1ecdng \u0111\u00f3 theo nh\u1eefng c\u00e1ch ho\u00e0n to\u00e0n kh\u00e1c nhau. M\u1ed9t s\u1ed1 lo\u1ea1i va \u0111\u1eadp. M\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ea9y. M\u1ed9t s\u1ed1 lo\u1ea1i \u00e9p v\u00e0 cho ph\u00e9p b\u1ea1n c\u1ea3m nh\u1eadn nh\u1eefng g\u00ec \u0111ang x\u1ea3y ra gi\u1eefa h\u00e0nh tr\u00ecnh.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n coi t\u1ea5t c\u1ea3 ch\u00fang nh\u01b0 nh\u1eefng chi\u1ebfc b\u00faa \u0111\u1ed9ng n\u0103ng, b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c nh\u1eefng t\u1ea5m th\u00e9p \u0111\u1eaft ti\u1ec1n v\u00e0o m\u1ed9t \u0111\u01b0\u1eddng cong l\u1ef1c m\u00e0 b\u1ea1n th\u1eadm ch\u00ed c\u00f2n kh\u00f4ng hi\u1ec3u r\u00f5.<\/p>\n\n\n\n

V\u1eady \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 x\u1ea3y ra b\u00ean trong m\u1ed7i lo\u1ea1i m\u00e1y ch\u1ea5n khi \u0111\u1ea7u ch\u1ea5n b\u1eaft \u0111\u1ea7u h\u1ea1 xu\u1ed1ng?<\/p>\n\n\n\n

Tr\u00f2 C\u00f2 Quay B\u00e1nh \u0110\u00e0: T\u1ea1i sao m\u00e1y ch\u1ea5n c\u01a1 l\u1ea1i l\u00e0 m\u1ed9t r\u1ee7i ro \u0111\u1ed1i v\u1edbi th\u00e9p t\u1ea5m d\u00e0y<\/h3>\n\n\n\n
\"T\u1ea1i<\/figure>\n\n\n\n

\u0110\u1ee9ng c\u1ea1nh m\u1ed9t chi\u1ebfc m\u00e1y ch\u1ea5n c\u01a1, b\u1ea1n s\u1ebd nghe th\u1ea5y ti\u1ebfng c\u1ee7a n\u00f3 tr\u01b0\u1edbc khi nh\u00ecn th\u1ea5y n\u00f3. B\u00e1nh \u0111\u00e0 \u0111\u00f3 lu\u00f4n quay. N\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng n\u0103ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef. Khi b\u1ea1n \u0111\u00f3ng ly h\u1ee3p, n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3 truy\u1ec1n qua tr\u1ee5c khu\u1ef7u v\u00e0 \u0111\u1ea7u ch\u1ea5n h\u1ea1 xu\u1ed1ng theo m\u1ed9t cung c\u1ed1 \u0111\u1ecbnh. Ti\u1ebfp c\u1eadn nhanh. L\u1ef1c c\u1ef1c \u0111\u1ea1i g\u1ea7n \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi. Kh\u00f4ng c\u00f3 s\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0o \u1edf gi\u1eefa.<\/p>\n\n\n\n

Tr\u00ean v\u1eadt li\u1ec7u m\u1ecfng, c\u00e1ch truy\u1ec1n l\u1ef1c m\u1ea1nh m\u1ebd \u0111\u00f3 r\u1ea5t hi\u1ec7u qu\u1ea3. V\u1eadt li\u1ec7u bi\u1ebfn d\u1ea1ng nhanh ch\u00f3ng. B\u1ea1n ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c nhanh g\u1ecdn.<\/p>\n\n\n\n

Tr\u00ean t\u1ea5m AR400 d\u00e0y 1 inch, \u0111i\u1ec3m ch\u1ea3y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t g\u1ee3i \u00fd nh\u1eb9 nh\u00e0ng\u2014n\u00f3 l\u00e0 m\u1ed9t b\u1ee9c t\u01b0\u1eddng. Khi \u0111\u1ea7u ch\u1ea5n va v\u00e0o, l\u1ef1c t\u0103ng l\u00ean r\u1ea5t nhanh. N\u1ebfu kho\u1ea3ng m\u1edf khu\u00f4n c\u1ee7a b\u1ea1n b\u1ecb l\u1ec7ch m\u1ed9t ch\u00fat, ho\u1eb7c b\u00e1n k\u00ednh trong c\u1ee7a b\u1ea1n qu\u00e1 nh\u1ecf, b\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 c\u01a1 h\u1ed9i \u0111\u1ec3 t\u1eeb t\u1eeb u\u1ed1n. M\u00e1y \u0111\u00e3 th\u1ef1c hi\u1ec7n. Th\u00e9p ph\u1ea3n \u1ee9ng. M\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3 s\u1ebd ph\u1ea3i ch\u1ecbu thua.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y m\u1ed9t chi\u1ebfc m\u00e1y ch\u1ea5n c\u01a1 \u0111\u00e2m xuy\u00ean qu\u00e1 m\u1ee9c qua t\u1ea5m th\u00e9p d\u00e0y, l\u00e0m g\u00e3y chi ti\u1ebft v\u00e0 h\u1ea5t m\u1ed9t m\u1ea3nh v\u1ee1 ra kh\u1ecfi vai khu\u00f4n v\u1edbi l\u1ef1c \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 l\u00e0m m\u00f3p m\u1ed9t t\u1ea5m ch\u1eafn c\u00e1ch \u0111\u00f3 m\u01b0\u1eddi feet. Kh\u00f4ng ai k\u1ecbp nh\u1ea5n n\u00fat d\u1eebng kh\u1ea9n c\u1ea5p v\u00ec kh\u00f4ng c\u00f3 \u201cth\u1eddi gian\u201d \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n

V\u1edbi m\u00e1y c\u01a1, m\u1ed9t khi \u0111\u1ea7u ch\u1ea5n \u0111\u00e3 h\u1ea1 xu\u1ed1ng, b\u1ea1n ph\u1ea3i theo n\u00f3 \u0111\u1ebfn c\u00f9ng. B\u1ea1n kh\u00f4ng th\u1ec3 t\u1ea1m d\u1eebng \u1edf 60% h\u00e0nh tr\u00ecnh \u0111\u1ec3 ki\u1ec3m tra v\u1ebft n\u1ee9t. B\u1ea1n kh\u00f4ng th\u1ec3 gi\u1eef t\u1ea3i \u0111\u1ec3 cho c\u1ea5u tr\u00fac h\u1ea1t ngh\u1ec9 ng\u01a1i. \u0110\u00f3 l\u00e0 tr\u00f2 c\u00f2 quay \u0111\u1ed9ng n\u0103ng.<\/p>\n\n\n\n

N\u1ebfu \u0111\u00f3 l\u00e0 c\u00e1i b\u00faa, v\u1eady c\u00f2n nh\u1eefng chi\u1ebfc m\u00e1y \u0111i\u1ec7n \u201cth\u00f4ng minh\u201d m\u00e0 m\u1ecdi ng\u01b0\u1eddi hay khoe khoang th\u00ec sao?<\/p>\n\n\n\n

Gi\u1edbi H\u1ea1n C\u1ee7a Servo: \u0110\u1ebfn \u0111i\u1ec3m n\u00e0o th\u00ec m\u00e1y ch\u1ea5n \u0111i\u1ec7n b\u1ecb \u0111u\u1ed1i s\u1ee9c?<\/h3>\n\n\n\n
\"\u0110\u1ebfn<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 v\u1eadn h\u00e0nh c\u00e1c m\u00e1y ch\u1ea5n servo-\u0111i\u1ec7n c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng micron tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9 m\u1ecfng. Nh\u1eefng c\u1ed7 m\u00e1y tuy\u1ec7t v\u1eddi. \u0110\u1ea7u ch\u1ea5n l\u01b0\u1edbt xu\u1ed1ng tr\u00ean c\u00e1c v\u00edt con l\u0103n, \u0111\u1ed9ng c\u01a1 th\u00ec th\u1ea7m thay v\u00ec ti\u1ebfng b\u01a1m r\u00edt l\u00ean. U\u1ed1n m\u1ed9t khung gh\u1ebf trong m\u01b0\u1eddi gi\u00e2y. M\u00e1y th\u1ee7y l\u1ef1c b\u00ean c\u1ea1nh m\u1ea5t m\u01b0\u1eddi l\u0103m gi\u00e2y. Trong c\u00f4ng vi\u1ec7c gia c\u00f4ng t\u1ea5m kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 ch\u00ednh l\u00e0 ti\u1ec1n l\u01b0\u01a1ng.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 t\u1edd qu\u1ea3ng c\u00e1o \u0111\u00e3 b\u1ecf qua.<\/p>\n\n\n\n

C\u00e1c lo\u1ea1i v\u00edt me con l\u0103n v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t d\u01b0\u1edbi m\u1ee9c t\u1ea3i trung b\u00ecnh. N\u1ebfu \u0111\u1ea9y ch\u00fang l\u00ean m\u1ee9c 150 t\u1ea5n tr\u1edf l\u00ean, b\u1ea1n \u0111ang y\u00eau c\u1ea7u c\u00e1c linh ki\u1ec7n ch\u00ednh x\u00e1c ph\u1ea3i ch\u1ecbu nh\u1eefng c\u00fa s\u1ed1c nghi\u00eam tr\u1ecdng. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n kh\u00f4ng c\u00f3 ch\u1ea5t l\u1ecfng \u0111\u1ec3 gi\u1ea3m ch\u1ea5n cho c\u00e1c xung l\u1ef1c. Ch\u00fang c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed b\u1ecb m\u00e0i m\u00f2n\u2014nh\u1eefng b\u1ed9 ph\u1eadn \u0111\u1eaft ti\u1ec1n.<\/p>\n\n\n\n

B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 u\u1ed1n th\u00e9p k\u1ebft c\u1ea5u tr\u00ean m\u00e1y ch\u1ea5n \u0111i\u1ec7n trong gi\u1edbi h\u1ea1n \u0111\u1ecbnh m\u1ee9c c\u1ee7a n\u00f3. Nh\u01b0ng khi \u0111\u1ed9 d\u00e0y t\u0103ng l\u00ean v\u00e0 s\u1ed1 t\u1ea5n t\u0103ng cao, \u01b0u th\u1ebf c\u1ee7a m\u00e1y\u2014t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i\u2014kh\u00f4ng c\u00f2n l\u00e0 t\u1ea5t c\u1ea3. Gi\u1edd \u0111\u00e2y, b\u1ea1n b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi m\u1ee9c t\u1ea3i b\u1ec1n v\u1eefng m\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n ho\u1eb7c m\u1ea5t \u0111i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t m\u01b0\u1ee3t m\u00e0 m\u00e0 b\u1ea1n \u0111\u00e3 b\u1ecf ti\u1ec1n ra mua.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t x\u01b0\u1edfng \u0111\u1ea9y m\u00e1y ch\u1ea5n \u0111i\u1ec7n \u0111\u1ebfn g\u1ea7n gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a tr\u00ean t\u1ea5m th\u00e9p d\u00e0y; ram (thanh tr\u01b0\u1ee3t) kh\u1ef1ng l\u1ea1i gi\u1eefa ch\u1eebng do t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i, khi\u1ebfn chi ti\u1ebft b\u1ecb u\u1ed1n d\u1edf dang v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong khu\u00f4n. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 \u0111\u01b0a tay v\u00e0o \u0111\u1ec3 \u201cgi\u00fap\u201d n\u00f3 \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc khi h\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/p>\n\n\n\n

M\u00e1y \u0111i\u1ec7n v\u01b0\u1ee3t tr\u1ed9i \u1edf nh\u1eefng n\u01a1i c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 th\u1eddi gian chu k\u1ef3 nhanh. Gi\u00e1 \u0111\u1ee1 h\u00e0ng kh\u00f4ng. V\u1ecf thi\u1ebft b\u1ecb y t\u1ebf. T\u1ea5m \u1ed1p \u00f4 t\u00f4. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ea7n l\u1edbn c\u00f4ng vi\u1ec7c v\u1edbi th\u00e9p t\u1ea5m d\u00e0y.<\/p>\n\n\n\n

V\u1eady n\u1ebfu m\u00e1y c\u01a1 kh\u00ed va \u0111\u1eadp v\u00e0 m\u00e1y \u0111i\u1ec7n b\u1ecb qu\u00e1 t\u1ea3i \u1edf m\u1ee9c cao nh\u1ea5t, li\u1ec7u c\u00e2u tr\u1ea3 l\u1eddi \u0111\u01a1n gi\u1ea3n c\u00f3 ph\u1ea3i l\u00e0 \u201cmua m\u00e1y c\u00f3 s\u1ed1 t\u1ea5n l\u1edbn h\u01a1n\u201d?<\/p>\n\n\n\n

Kho\u1ea3ng c\u00e1ch ki\u1ec3m so\u00e1t: T\u1ea1i sao \u201cnhi\u1ec1u t\u1ea5n h\u01a1n\u201d kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng ngh\u0129a v\u1edbi k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n<\/h3>\n\n\n\n
\"T\u1ea1i<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 \u0111\u1ee9ng tr\u01b0\u1edbc m\u1ed9t chi\u1ebfc m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c 400 t\u1ea5n m\u00e0 v\u1eabn l\u00e0m n\u1ee9t chi ti\u1ebft.<\/p>\n\n\n\n

Kh\u00f4ng ph\u1ea3i v\u00ec n\u00f3 thi\u1ebfu s\u1ee9c m\u1ea1nh. M\u00e0 v\u00ec ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 \u0111\u1ed1i x\u1eed v\u1edbi 400 t\u1ea5n \u0111\u00f3 nh\u01b0 m\u1ed9t chi\u1ebfc b\u00faa l\u1edbn h\u01a1n.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c di chuy\u1ec3n b\u1eb1ng d\u1ea7u d\u01b0\u1edbi \u00e1p su\u1ea5t. D\u1ea7u \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng n\u00e9n nh\u1eb9. \u0110i\u1ec1u \u0111\u00f3 r\u1ea5t quan tr\u1ecdng. Khi ch\u00e0y u\u1ed1n g\u1eb7p l\u1ef1c c\u1ea3n, \u00e1p su\u1ea5t t\u0103ng d\u1ea7n. B\u1ea1n c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm ram khi n\u00f3 ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1m d\u1eebng gi\u1eefa ch\u1eebng. B\u1ea1n c\u00f3 th\u1ec3 gi\u1eef t\u1ea3i v\u00e0 quan s\u00e1t qu\u00e1 tr\u00ecnh u\u1ed1n di\u1ec5n ra. B\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 xuy\u00ean th\u1ea5u \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i (springback)\u2014s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i c\u1ed1 g\u1eafng l\u00e0m m\u1edf g\u00f3c u\u1ed1n c\u1ee7a b\u1ea1n sau khi nh\u1ea3 t\u1ea3i.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 ki\u1ec3m so\u00e1t quy tr\u00ecnh, kh\u00f4ng ph\u1ea3i l\u1ef1c th\u00f4 b\u1ea1o.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft nh\u00e2n vi\u00ean m\u1edbi b\u1ecf l\u1ee1: m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c t\u1ed1n k\u00e9m h\u01a1n khi v\u1eadn h\u00e0nh. M\u00e1y b\u01a1m v\u1eabn k\u00eau ngay c\u1ea3 khi ch\u1ea1y kh\u00f4ng t\u1ea3i. Ph\u1edbt b\u1ecb m\u00e0i m\u00f2n. D\u1ea7u c\u1ea7n thay th\u1ebf. H\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n cao h\u01a1n so v\u1edbi c\u00e1c m\u00e1y \u0111i\u1ec7n t\u1ef1 ng\u1eaft gi\u1eefa c\u00e1c chu k\u1ef3. S\u1ef1 tinh th\u00f4ng kh\u00f4ng mi\u1ec5n ph\u00ed. N\u00f3 \u0111\u00f2i h\u1ecfi k\u1ef7 lu\u1eadt b\u1ea3o tr\u00ec v\u00e0 s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c b\u1ecb b\u1ecf b\u00ea l\u00e0m t\u0103ng \u00e1p su\u1ea5t \u0111\u1ed9t ng\u1ed9t do d\u1ea7u b\u1ecb nhi\u1ec5m b\u1ea9n, v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 s\u00e2u m\u1ee5c ti\u00eau v\u00e0 su\u00fdt l\u00e0m v\u1ee1 m\u1ed9t chi\u1ebfc ch\u00e0y u\u1ed1n t\u00f9y ch\u1ec9nh. T\u1ea5n l\u1ef1c th\u00ec c\u00f3 \u0111\u1ee7. Nh\u01b0ng s\u1ef1 ki\u1ec3m so\u00e1t th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

S\u1ed1 t\u1ea5n l\u1edbn h\u01a1n ch\u1ec9 h\u1eefu \u00edch n\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c n\u00f3. N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 t\u1ea1m d\u1eebng, gi\u1eef t\u1ea3i v\u00e0 c\u1ea3m nh\u1eadn v\u1eadt li\u1ec7u \u0111ang ph\u1ea3n \u1ee9ng nh\u01b0 th\u1ebf n\u00e0o, b\u1ea1n s\u1ebd quay l\u1ea1i l\u1ed1i t\u01b0 duy \u0111\u1ed9ng l\u1ef1c h\u1ecdc\u2014ch\u1ec9 l\u00e0 v\u1edbi m\u1ed9t con s\u1ed1 l\u1edbn h\u01a1n tr\u00ean b\u1ea3ng t\u00ean m\u00e1y.<\/p>\n\n\n\n

V\u00ec v\u1eady, s\u1ef1 thay \u0111\u1ed5i m\u00e0 t\u00f4i c\u1ea7n b\u1ea1n th\u1ef1c hi\u1ec7n l\u00e0: ng\u1eebng h\u1ecfi \u201cM\u00e1y n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c bao nhi\u00eau t\u1ea5n?\u201d v\u00e0 b\u1eaft \u0111\u1ea7u h\u1ecfi \u201cM\u00e1y n\u00e0y truy\u1ec1n l\u1ef1c qua h\u00e0nh tr\u00ecnh nh\u01b0 th\u1ebf n\u00e0o?\u201d<\/p>\n\n\n\n

B\u1edfi v\u00ec khi b\u1ea1n u\u1ed1n th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t c\u00fa \u0111\u1eadp b\u00faa v\u00e0 m\u1ed9t l\u1ef1c \u00e9p c\u00f3 ki\u1ec3m so\u00e1t ch\u00ednh l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t g\u00f3c u\u1ed1n s\u1ea1ch \u0111\u1eb9p v\u00e0 ti\u1ebfng n\u1ee9t g\u00e3y.<\/p>\n\n\n\n

Gi\u1ea3i ph\u1eabu \u01b0u th\u1ebf th\u1ee7y l\u1ef1c: Ch\u1ebf ng\u1ef1 th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao b\u1eb1ng \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng<\/h2>\n\n\n\n

Ch\u00fang t\u00f4i \u0111\u00e3 u\u1ed1n t\u1ea5m th\u00e9p AR400 d\u00e0y 1 inch trong khu\u00f4n m\u1edf 12x, m\u1ee5c ti\u00eau l\u00e0 90 \u0111\u1ed9. \u0110\u1ed3ng h\u1ed3 \u0111o \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 350 t\u1ea5n khi ch\u00e0y u\u1ed1n b\u1eaft \u0111\u1ea7u c\u1eafn v\u00e0o v\u1eadt li\u1ec7u. \u1ede kho\u1ea3ng 60% \u0111\u1ed9 s\u00e2u cu\u1ed1i c\u00f9ng, t\u00f4i th\u1ea5y m\u00e9p trong chuy\u1ec3n sang m\u00e0u tr\u1eafng\u2014d\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean cho th\u1ea5y th\u1edb th\u00e9p \u0111ang b\u1ecb k\u00e9o c\u0103ng d\u1eef d\u1ed9i. T\u00f4i nh\u1ea5n n\u00fat t\u1ea1m d\u1eebng. Ram d\u1eebng l\u1ea1i. \u00c1p su\u1ea5t gi\u1eef \u1edf m\u1ee9c 380 t\u1ea5n. T\u1ea5m th\u00e9p v\u1eabn b\u1ecb k\u1eb9p ch\u1eb7t gi\u1eefa ch\u00e0y v\u00e0 khu\u00f4n nh\u01b0 th\u1ec3 b\u1ecb \u0111\u00f3ng b\u0103ng trong th\u1eddi gian.<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1ch b\u1ea1n quy\u1ebft \u0111\u1ecbnh lo\u1ea1i m\u00e1y ch\u1ea5n n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi th\u00e9p c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 d\u1eebng l\u1ea1i d\u01b0\u1edbi t\u1ea3i tr\u1ecdng, b\u1ea1n kh\u00f4ng th\u1ec3 ki\u1ec3m tra qu\u00e1 tr\u00ecnh u\u1ed1n khi n\u00f3 \u0111ang di\u1ec5n ra. V\u00e0 n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 ki\u1ec3m tra n\u00f3, b\u1ea1n \u0111ang \u0111o\u00e1n xem t\u1ea5m th\u00e9p 1 inch \u0111\u00f3 mu\u1ed1n 420 t\u1ea5n\u2014hay mu\u1ed1n b\u1ecb t\u00e1ch ra \u1edf m\u1ee9c 401. Th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao kh\u00f4ng tha th\u1ee9 cho s\u1ef1 ph\u1ecfng \u0111o\u00e1n.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c cho ph\u00e9p b\u1ea1n bi\u1ebfn l\u1ef1c th\u00e0nh th\u1ee9 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c, thay v\u00ec ch\u1ec9 gi\u1ea3i ph\u00f3ng n\u00f3.<\/p>\n\n\n\n

T\u1ea1m d\u1eebng gi\u1eefa h\u00e0nh tr\u00ecnh: T\u1ea1i sao vi\u1ec7c d\u1eebng l\u1ea1i khi \u0111ang ch\u1ecbu t\u1ea3i l\u00e0 t\u00e0i s\u1ea3n an to\u00e0n l\u1edbn nh\u1ea5t c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

\u0110\u1ee9ng t\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 D\u1eebng ram (thanh tr\u01b0\u1ee3t) ngay khi ti\u1ebfp x\u00fac v\u1edbi l\u1ef1c c\u1ea3n t\u1ed1i \u0111a<\/strong>. \u0110\u1eebng \u0111\u1ee3i \u0111\u1ebfn khi ch\u1ea1m \u0111\u00e1y. H\u00e3y quan s\u00e1t \u00e1p su\u1ea5t t\u0103ng l\u00ean khi v\u1eadt li\u1ec7u chuy\u1ec3n t\u1eeb bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i sang bi\u1ebfn d\u1ea1ng d\u1ebbo. S\u1ef1 thay \u0111\u1ed5i \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd thuy\u1ebft\u2014b\u1ea1n s\u1ebd th\u1ea5y s\u1ed1 t\u1ea5n t\u0103ng nhanh h\u01a1n khi th\u00e9p b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u1ebbo.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi th\u00e9p HSLA ho\u1eb7c th\u00e9p t\u1ea5m ch\u1ed1ng m\u00e0i m\u00f2n (AR), gi\u1edbi h\u1ea1n ch\u1ea3y r\u1ea5t cao v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c (springback) c\u00f3 th\u1ec3 l\u00ean t\u1edbi 8 \u0111\u1ebfn 10 \u0111\u1ed9 n\u1ebfu b\u1ea1n kh\u00f4ng ki\u1ec3m so\u00e1t n\u00f3. Vi\u1ec7c t\u1ea1m d\u1eebng gi\u1eefa h\u00e0nh tr\u00ecnh cho ph\u00e9p b\u1ea1n duy tr\u00ec \u00e1p su\u1ea5t v\u00e0 \u0111\u1ec3 v\u1eadt li\u1ec7u ch\u1ea3y thay v\u00ec g\u00e2y s\u1ed1c cho n\u00f3. Th\u00e9p d\u01b0\u1edbi t\u1ea3i tr\u1ecdng s\u1ebd ph\u00e2n ph\u1ed1i l\u1ea1i \u1ee9ng su\u1ea5t d\u1ecdc theo \u0111\u01b0\u1eddng u\u1ed1n. H\u00e3y cho n\u00f3 m\u1ed9t gi\u00e2y. B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 g\u00f3c u\u1ed1n th\u01b0 gi\u00e3n m\u1ed9t ch\u00fat tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/p>\n\n\n\n

H\u00e3y th\u1eed \u0111i\u1ec1u \u0111\u00f3 tr\u00ean m\u00e1y c\u01a1 kh\u00ed xem. B\u1ea1n kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111\u00e2u.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 c\u00e1c t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o th\u01b0\u1eddng b\u1ecf qua: vi\u1ec7c t\u1ea1m d\u1eebng ch\u1ec9 b\u1ea3o v\u1ec7 b\u1ea1n n\u1ebfu thi\u1ebft l\u1eadp \u0111\u00fang. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng khu\u00f4n V c\u00f3 \u0111\u1ed9 r\u1ed9ng d\u01b0\u1edbi 6 l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u tr\u00ean th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, b\u1ea1n \u0111ang t\u1eadp trung l\u1ef1c qu\u00e1 m\u1ee9c \u0111\u1ebfn n\u1ed7i \u0111\u1ed9 m\u1ecfng c\u00f3 th\u1ec3 \u0111\u1ea1t m\u1ee9c hai con s\u1ed1 t\u1ea1i b\u00e1n k\u00ednh trong. B\u1ea1n t\u1ea1m d\u1eebng\u2014v\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n l\u00e0m l\u00e0 gi\u1eef \u1ee9ng su\u1ea5t t\u1ed1i \u0111a ngay t\u1ea1i n\u01a1i v\u1ebft n\u1ee9t mu\u1ed1n b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u1ea1m d\u1eebng m\u1ed9t l\u1ea7n u\u1ed1n th\u00e9p HSLA d\u00e0y 3\/4 inch trong khu\u00f4n qu\u00e1 h\u1eb9p. Anh ta ngh\u0129 r\u1eb1ng d\u1eebng l\u1ea1i ngh\u0129a l\u00e0 an to\u00e0n. T\u1ea5m th\u00e9p b\u1ecb n\u1ee9t khi \u0111ang \u0111\u1ee9ng y\u00ean d\u01b0\u1edbi \u00e1p l\u1ef1c h\u01a1n 300 t\u1ea5n, v\u00e0 l\u1ef1c gi\u1ea3i ph\u00f3ng \u0111\u00e3 h\u1ea5t m\u1ea3nh c\u1eaft v\u0103ng l\u00ean tr\u00ean nh\u01b0 m\u1ed9t c\u00e1i b\u1eaby l\u00f2 xo.<\/p>\n\n\n\n

T\u1ea1m d\u1eebng l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n an to\u00e0n. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho vi\u1ec7c ch\u1ecdn chi\u1ec1u r\u1ed9ng khu\u00f4n ch\u00ednh x\u00e1c v\u00e0 gia nhi\u1ec7t tr\u01b0\u1edbc khi c\u1ea7n thi\u1ebft. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 d\u1eebng ram, b\u1ea1n th\u1ef1c s\u1ef1 \u0111ang ki\u1ec3m so\u00e1t c\u00e1i g\u00ec\u2014h\u00e0nh tr\u00ecnh, hay ch\u00ednh l\u1ef1c t\u00e1c \u0111\u1ed9ng?<\/p>\n\n\n\n

Ki\u1ec3m so\u00e1t s\u1ed1 t\u1ea5n v\u00f4 h\u1ea1n so v\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ed1 \u0111\u1ecbnh: Ng\u0103n ng\u1eeba n\u1ee9t g\u00e3y v\u1eadt li\u1ec7u<\/h3>\n\n\n\n

Tr\u00ean m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c, H\u00e3y \u0111i\u1ec1u ch\u1ec9nh gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t tr\u01b0\u1edbc khi b\u1ea1n th\u1ef1c hi\u1ec7n chu k\u1ef3 xu\u1ed1ng<\/strong>. Thi\u1ebft l\u1eadp m\u1ed9t m\u1ee9c tr\u1ea7n th\u1ea5p h\u01a1n \u0111\u1ecbnh m\u1ee9c t\u1ed1i \u0111a c\u1ee7a m\u00e1y. M\u1ee9c tr\u1ea7n \u0111\u00f3 tr\u1edf th\u00e0nh r\u00e0o ch\u1eafn b\u1ea3o v\u1ec7 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c t\u1ea1o \u00e1p su\u1ea5t theo tr\u00ecnh t\u1ef1. D\u1ea7u n\u00e9n l\u1ea1i m\u1ed9t ch\u00fat; c\u00e1c van \u0111i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng; xi lanh chuy\u1ec3n \u0111\u1ed5i \u00e1p su\u1ea5t th\u00e0nh l\u1ef1c tuy\u1ebfn t\u00ednh. Khi l\u1ef1c c\u1ea3n t\u0103ng l\u00ean, \u00e1p su\u1ea5t t\u0103ng d\u1ea7n d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng cong m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i trong th\u1eddi gian th\u1ef1c. B\u1ea1n \u0111ang c\u01b0\u1ee1i tr\u00ean m\u1ed9t d\u00f2ng ch\u1ea3y c\u1ee7a l\u1ef1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111ang b\u1eafn m\u1ed9t ph\u00e1t \u0111\u1ea1n.<\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed v\u00e0 th\u1eadm ch\u00ed c\u1ea3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n servo cung c\u1ea5p l\u1ef1c g\u1eafn li\u1ec1n v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh chuy\u1ec3n \u0111\u1ed9ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ho\u1eb7c truy\u1ec1n t\u1ea3i. M\u1ed9t khi ram \u0111\u00e3 \u0111i g\u1ea7n \u0111\u1ebfn \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi, l\u1ef1c c\u1ef1c \u0111\u1ea1i s\u1ebd \u1eadp \u0111\u1ebfn b\u1ea5t k\u1ec3 th\u00e9p c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c hay kh\u00f4ng. \u0110\u00f3 l\u00e0 h\u00e0nh vi t\u00e1c \u0111\u1ed9ng, ngay c\u1ea3 khi \u0111\u00f3 l\u00e0 t\u00e1c \u0111\u1ed9ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

\u201cKi\u1ec3m so\u00e1t v\u00f4 h\u1ea1n\u201d c\u00f3 ngh\u0129a l\u00e0 th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 u\u1ed1n m\u1ecdi th\u1ee9 kh\u00f4ng? Kh\u00f4ng. M\u1ed9t khi b\u1ea1n v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 d\u00e0y t\u1ea5m kho\u1ea3ng 50 mm, h\u1ea7u h\u1ebft c\u00e1c m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c ti\u00eau chu\u1ea9n \u0111\u1ec1u \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n c\u1ea5u tr\u00fac v\u00e0 b\u01a1m c\u1ee7a ch\u00fang. B\u1ea1n s\u1ebd c\u1ea7n c\u00e1c thi\u1ebft l\u1eadp song song ho\u1eb7c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng. V\u00e0 \u0111\u1ed1i v\u1edbi t\u1ea5m m\u1ecfng, m\u00e1y \u0111i\u1ec7n th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u1ee7y l\u1ef1c v\u1ec1 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i v\u00e0 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n

V\u1eady t\u1ea1i sao th\u1ee7y l\u1ef1c l\u1ea1i chi\u1ebfm \u01b0u th\u1ebf \u0111\u1ed1i v\u1edbi th\u00e9p t\u1ea5m c\u01b0\u1eddng \u0111\u1ed9 cao?<\/p>\n\n\n\n

B\u1edfi v\u00ec s\u1ef1 n\u1ee9t g\u00e3y trong th\u00e9p AR ho\u1eb7c HSLA kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 t\u1ea5n trung b\u00ecnh. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t c\u00e1c \u0111\u1ec9nh l\u1ef1c. C\u00e1c v\u1ebft n\u1ee9t si\u00eau nh\u1ecf b\u1eaft \u0111\u1ea7u khi \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n k\u00e9o t\u1ea1i b\u00e1n k\u00ednh trong. M\u1ed9t \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t m\u01b0\u1ee3t m\u00e0 gi\u00fap gi\u1ea3m t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i t\u1ee9c th\u1eddi. M\u1ed9t t\u00e1c \u0111\u1ed9ng c\u1ed1 \u0111\u1ecbnh kh\u00f4ng quan t\u00e2m \u0111\u1ebfn c\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: Ch\u00fang t\u00f4i \u0111\u00e3 t\u1eebng th\u1eed nghi\u1ec7m m\u1ed9t l\u00f4 th\u00e9p AR m\u1edbi m\u00e0 kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t. Ram \u0111\u00e3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn nhanh qu\u00e1 l\u00e2u tr\u01b0\u1edbc khi gi\u1ea3m t\u1ed1c. \u00c1p su\u1ea5t t\u0103ng v\u1ecdt 40 t\u1ea5n so v\u1edbi \u0111\u01b0\u1eddng cong th\u00f4ng th\u01b0\u1eddng c\u1ee7a ch\u00fang t\u00f4i trong t\u00edch t\u1eafc. Ti\u1ebfng n\u1ee9t nghe nh\u01b0 ti\u1ebfng s\u00fang tr\u01b0\u1eddng.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1eddng cong l\u1ef1c, b\u1ea1n s\u1ebd gi\u1ea3m \u0111\u01b0\u1ee3c nguy c\u01a1 t\u0103ng v\u1ecdt \u00e1p su\u1ea5t. N\u1ebfu kh\u00f4ng th\u1ec3, b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c r\u1eb1ng th\u00e9p s\u1ebd ph\u1ea3n \u1ee9ng y h\u1ec7t nh\u01b0 l\u00f4 h\u00e0ng tr\u01b0\u1edbc. V\u00e0 \u0111i\u1ec1u \u0111\u00f3 d\u1eabn \u0111\u1ebfn c\u00e2u h\u1ecfi m\u00e0 h\u1ea7u h\u1ebft nh\u00e2n vi\u00ean m\u1edbi kh\u00f4ng bao gi\u1edd \u0111\u1eb7t ra: \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 \u0111ang x\u1ea3y ra b\u00ean trong xi lanh \u0111\u00f3 khi b\u1ea1n gi\u1eef m\u1ee9c 400 t\u1ea5n v\u00e0 \u0111\u1ea7u ram ch\u1ec9\u2026 ch\u1edd \u0111\u1ee3i?<\/p>\n\n\n\n

Ch\u1ee7 \u0111\u1ec1<\/th>Chi ti\u1ebft<\/th><\/tr><\/thead>
Ki\u1ec3m so\u00e1t T\u1ea3i tr\u1ecdng V\u00f4 h\u1ea1n so v\u1edbi T\u00e1c \u0111\u1ed9ng C\u1ed1 \u0111\u1ecbnh<\/strong><\/td>Ng\u0103n ng\u1eeba n\u1ee9t g\u00e3y v\u1eadt li\u1ec7u<\/td><\/tr>
Thi\u1ebft l\u1eadp M\u00e1y ch\u1ea5n Th\u1ee7y l\u1ef1c<\/strong><\/td>\u0110i\u1ec1u ch\u1ec9nh gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u chu k\u1ef3. H\u00e3y \u0111\u1eb7t m\u1ee9c tr\u1ea7n th\u1ea5p h\u01a1n \u0111\u1ecbnh m\u1ee9c t\u1ed1i \u0111a c\u1ee7a m\u00e1y \u0111\u1ec3 t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n an to\u00e0n.<\/td><\/tr>
C\u00e1ch c\u00e1c H\u1ec7 th\u1ed1ng Th\u1ee7y l\u1ef1c t\u1ea1o ra L\u1ef1c<\/strong><\/td>\u00c1p su\u1ea5t t\u0103ng d\u1ea7n. D\u1ea7u n\u00e9n l\u1ea1i m\u1ed9t ch\u00fat; c\u00e1c van \u0111i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng; xi lanh chuy\u1ec3n \u0111\u1ed5i \u00e1p su\u1ea5t th\u00e0nh l\u1ef1c tuy\u1ebfn t\u00ednh. Khi l\u1ef1c c\u1ea3n t\u0103ng l\u00ean, \u00e1p su\u1ea5t t\u0103ng \u0111\u1ec1u \u0111\u1eb7n d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng cong th\u1eddi gian th\u1ef1c c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c\u2014gi\u1ed1ng nh\u01b0 \u0111ang l\u01b0\u1edbt tr\u00ean m\u1ed9t d\u00f2ng s\u00f4ng l\u1ef1c, thay v\u00ec b\u1eafn m\u1ed9t ph\u00e1t s\u00fang.<\/td><\/tr>
H\u1ec7 th\u1ed1ng C\u01a1 kh\u00ed & Servo-\u0110i\u1ec7n<\/strong><\/td>L\u1ef1c g\u1eafn li\u1ec1n v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh chuy\u1ec3n \u0111\u1ed9ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef\/truy\u1ec1n t\u1ea3i. G\u1ea7n \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi, l\u1ef1c c\u1ef1c \u0111\u1ea1i xu\u1ea5t hi\u1ec7n m\u1ed9t khi \u0111\u00e3 b\u1eaft \u0111\u1ea7u\u2014b\u1ea5t k\u1ec3 ph\u1ea3n \u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u ra sao. \u0110\u00e2y l\u00e0 h\u00e0nh vi t\u00e1c \u0111\u1ed9ng, ngay c\u1ea3 khi \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c.<\/td><\/tr>
Gi\u1edbi h\u1ea1n c\u1ee7a \u201cKi\u1ec3m so\u00e1t V\u00f4 h\u1ea1n\u201d<\/strong><\/td>Th\u1ee7y l\u1ef1c kh\u00f4ng th\u1ec3 u\u1ed1n m\u1ecdi th\u1ee9. \u0110\u1ed1i v\u1edbi t\u1ea5m d\u00e0y tr\u00ean ~50 mm, h\u1ea7u h\u1ebft c\u00e1c m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c ti\u00eau chu\u1ea9n \u0111\u1ec1u \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 b\u01a1m, \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng song song ho\u1eb7c chuy\u00ean d\u1ee5ng. \u0110\u1ed1i v\u1edbi t\u1ea5m m\u1ecfng, c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u1ee7y l\u1ef1c v\u1ec1 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i v\u00e0 hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/td><\/tr>
T\u1ea1i sao Th\u1ee7y l\u1ef1c chi\u1ebfm \u01b0u th\u1ebf \u0111\u1ed1i v\u1edbi T\u1ea5m th\u00e9p C\u01b0\u1eddng \u0111\u1ed9 cao<\/strong><\/td>S\u1ef1 n\u1ee9t g\u00e3y trong th\u00e9p AR ho\u1eb7c HSLA ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t m\u1ee9c t\u0103ng \u0111\u1ed9t bi\u1ebfn, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ea3i tr\u1ecdng trung b\u00ecnh. C\u00e1c v\u1ebft n\u1ee9t si\u00eau nh\u1ecf h\u00ecnh th\u00e0nh khi \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n k\u00e9o t\u1ea1i b\u00e1n k\u00ednh trong. M\u1ed9t \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t m\u01b0\u1ee3t m\u00e0 gi\u00fap gi\u1ea3m t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i t\u1ee9c th\u1eddi; t\u00e1c \u0111\u1ed9ng c\u1ed1 \u0111\u1ecbnh kh\u00f4ng t\u00ednh \u0111\u1ebfn c\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a th\u00e9p.<\/td><\/tr>
V\u00ed d\u1ee5 v\u1ec1 C\u1ea3nh b\u00e1o Su\u00fdt x\u1ea3y ra Tai n\u1ea1n<\/strong><\/td>Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m m\u1ed9t l\u00f4 th\u00e9p t\u1ea5m AR m\u1edbi, vi\u1ec7c kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t \u0111\u00e3 khi\u1ebfn \u0111\u1ea7u ram gi\u1ea3m t\u1ed1c qu\u00e1 mu\u1ed9n. \u00c1p su\u1ea5t t\u0103ng v\u1ecdt 40 t\u1ea5n so v\u1edbi \u0111\u01b0\u1eddng cong b\u00ecnh th\u01b0\u1eddng trong t\u00edch t\u1eafc, d\u1eabn \u0111\u1ebfn m\u1ed9t v\u1ebft n\u1ee9t nghe nh\u01b0 ti\u1ebfng s\u00fang tr\u01b0\u1eddng.<\/td><\/tr>
Nh\u1eadn th\u1ee9c then ch\u1ed1t<\/strong><\/td>\u0110\u1ecbnh h\u00ecnh \u0111\u01b0\u1eddng cong l\u1ef1c gi\u00fap gi\u1ea3m nguy c\u01a1 t\u0103ng v\u1ecdt \u00e1p su\u1ea5t. N\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 ki\u1ec3m so\u00e1t, b\u1ea1n ph\u1ea3i d\u1ef1a v\u00e0o vi\u1ec7c th\u00e9p ph\u1ea3n \u1ee9ng y h\u1ec7t nh\u01b0 l\u00f4 h\u00e0ng tr\u01b0\u1edbc\u2014\u0111\u1eb7t ra c\u00e2u h\u1ecfi v\u1ec1 nh\u1eefng g\u00ec x\u1ea3y ra b\u00ean trong xi lanh khi gi\u1eef m\u1ee9c 400 t\u1ea5n v\u00e0 \u0111\u1ea7u ram ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 ch\u1edd \u0111\u1ee3i.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 x\u1ea3y ra b\u00ean trong xi lanh trong qu\u00e1 tr\u00ecnh u\u1ed1n th\u00e9p n\u1eb7ng?<\/h3>\n\n\n\n

H\u00e3y h\u00ecnh dung hai xi lanh l\u1edbn ch\u1ee9a \u0111\u1ea7y d\u1ea7u, \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn, v\u1edbi c\u00e1c p\u00edt-t\u00f4ng \u0111\u1ea9y xu\u1ed1ng d\u01b0\u1edbi. T\u0103ng l\u01b0u l\u01b0\u1ee3ng b\u01a1m v\u00e0 quan s\u00e1t \u00e1p su\u1ea5t t\u0103ng l\u00ean<\/strong> khi ch\u00e0y u\u1ed1n g\u1eb7p l\u1ef1c c\u1ea3n. C\u00e1c ph\u00e2n t\u1eed d\u1ea7u n\u00e9n l\u1ea1i m\u1ed9t ch\u00fat\u2014v\u1eeba \u0111\u1ee7 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t chi\u1ebfc l\u00f2 xo c\u1ee9ng. C\u00e1c van \u0111i\u1ec1u khi\u1ec3n h\u1ea1n ch\u1ebf ho\u1eb7c cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng, \u0111i\u1ec1u n\u00e0y l\u00e0m thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 t\u0103ng \u00e1p su\u1ea5t.<\/p>\n\n\n\n

Khi b\u1ea1n t\u1ea1m d\u1eebng gi\u1eefa ch\u1eebng, c\u00e1c van s\u1ebd \u0111\u00f3ng l\u1ea1i. D\u00f2ng ch\u1ea3y d\u1eebng l\u1ea1i. \u00c1p su\u1ea5t c\u00e2n b\u1eb1ng tr\u00ean to\u00e0n b\u1ed9 c\u1ed9t ch\u1ea5t l\u1ecfng. D\u1ea7u gi\u1eef c\u00e1c piston \u1edf v\u1ecb tr\u00ed c\u1ed1 \u0111\u1ecbnh v\u00ec n\u00f3 kh\u00f4ng c\u00f2n n\u01a1i n\u00e0o \u0111\u1ec3 \u0111i. B\u1ea1n \u0111ang l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u01b0\u1edbi d\u1ea1ng kh\u1ed1i l\u01b0\u1ee3ng quay hay c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 h\u1ecdc b\u1ecb k\u00e9o c\u0103ng.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n

B\u00e1nh \u0111\u00e0 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng theo \u0111\u1ed9ng n\u0103ng. V\u00edt con l\u0103n l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng theo c\u01a1 n\u0103ng. D\u1ea7u th\u1ee7y l\u1ef1c l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Gi\u1ea3i ph\u00f3ng van t\u1eeb t\u1eeb v\u00e0 l\u1ef1c s\u1ebd gi\u1ea3m d\u1ea7n m\u1ed9t c\u00e1ch \u00eam \u00e1i. X\u1ea3 van nhanh v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y ph\u1ea3n \u1ee9ng m\u1ea1nh h\u01a1n\u2014nh\u01b0ng v\u1eabn b\u1ecb chi ph\u1ed1i b\u1edfi d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng, ch\u1ee9 kh\u00f4ng ch\u1ec9 ri\u00eang qu\u00e1n t\u00ednh.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n th\u1ef1c t\u1ebf: d\u1ea7u b\u1ecb nhi\u1ec5m b\u1ea9n, ph\u1edbt b\u1ecb m\u00f2n ho\u1eb7c c\u00e1c van t\u1ef7 l\u1ec7 b\u1ecb k\u1eb9t s\u1ebd l\u00e0m bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t \u0111\u00f3. \u201cD\u00f2ng s\u00f4ng \u00eam \u0111\u1ec1m\u201d c\u1ee7a b\u1ea1n tr\u1edf n\u00ean h\u1ed7n lo\u1ea1n. \u0110\u00f3 l\u00e0 l\u00fac h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c m\u1ea5t \u0111i l\u1ee3i th\u1ebf c\u1ee7a n\u00f3.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: M\u1ed9t b\u1ed9 l\u1ecdc h\u1ed3i b\u1ecb t\u1eafc \u0111\u00e3 t\u1eebng g\u00e2y ra \u0111\u1ed9 tr\u1ec5 \u00e1p su\u1ea5t trong m\u1ed9t l\u1ea7n u\u1ed1n n\u1eb7ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 b\u00f9 \u0111\u1eafp b\u1eb1ng c\u00e1ch ra l\u1ec7nh t\u0103ng \u0111\u1ed9 s\u00e2u. Khi van ph\u1ea3n h\u1ed3i, ram \u0111\u00e3 \u0111i qu\u00e1 s\u00e2u v\u00e0 su\u00fdt l\u00e0m n\u00e1t b\u1ed9 khu\u00f4n ph\u00e2n \u0111o\u1ea1n.<\/p>\n\n\n\n

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 s\u1ef1 b\u1ea3o v\u1ec7 c\u1ee7a b\u1ea1n\u2014nh\u01b0ng ch\u1ec9 khi h\u1ec7 th\u1ed1ng ch\u1ea5t l\u1ecfng \u1edf tr\u1ea1ng th\u00e1i t\u1ed1t v\u00e0 vi\u1ec7c thi\u1ebft l\u1eadp l\u00e0 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

V\u1eady b\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 bi\u1ebft t\u1ea1i sao h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 t\u1ea1m d\u1eebng, gi\u1eef v\u00e0 \u0111\u1ecbnh h\u00ecnh l\u1ef1c. C\u00e2u h\u1ecfi th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 li\u1ec7u m\u00e1y c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t tr\u1ecdng t\u1ea3i hay kh\u00f4ng. M\u00e0 l\u00e0 li\u1ec7u b\u1ea1n c\u00f3 bi\u1ebft lo\u1ea1i th\u00e9p, \u0111\u1ed9 d\u00e0y, chi\u1ec1u r\u1ed9ng khu\u00f4n v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh th\u1ef1c s\u1ef1 y\u00eau c\u1ea7u bao nhi\u00eau tr\u01b0\u1edbc khi b\u1ea1n ch\u1ea1m v\u00e0o b\u00e0n \u0111\u1ea1p hay kh\u00f4ng.<\/p>\n\n\n\n

K\u1ebft h\u1ee3p m\u00e1y v\u1edbi v\u1eadt li\u1ec7u: T\u00ednh to\u00e1n tr\u1ecdng t\u1ea3i th\u1ee7y l\u1ef1c th\u1ef1c t\u1ebf cho th\u00e9p<\/h2>\n\n\n\n

Ch\u00fang t\u00f4i c\u00f3 m\u1ed9t t\u1ea5m th\u00e9p d\u00e0i 12 foot, d\u00e0y 3\/8 inch tr\u00ean b\u00e0n m\u00e1y\u2014b\u1ea3n v\u1ebd c\u1ee7a kh\u00e1ch h\u00e0ng ghi l\u00e0 \u201cA36\u201d. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 l\u1ea5y bi\u1ec3u \u0111\u1ed3 ti\u00eau chu\u1ea9n: kho\u1ea3ng 60 t\u1ea5n tr\u00ean chi\u1ec1u d\u00e0i \u0111\u00f3 v\u1edbi khu\u00f4n V 3 inch. An to\u00e0n. Th\u00f4ng th\u01b0\u1eddng. Sau \u0111\u00f3, ch\u1ee9ng ch\u1ec9 c\u1ee7a nh\u00e0 m\u00e1y m\u1edbi \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn mu\u1ed9n. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 A36. \u0110\u00f3 l\u00e0 AR400.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i \u0111\u00f3 l\u1ea5y con s\u1ed1 tho\u1ea3i m\u00e1i trong bi\u1ec3u \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u00e0 k\u00e9o gi\u00e3n n\u00f3 cho \u0111\u1ebfn khi c\u00e1c xi lanh c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t ph\u1ea1m vi m\u00e0 b\u1ea1n ch\u01b0a bao gi\u1edd l\u00ean k\u1ebf ho\u1ea1ch.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 c\u00e1ch b\u1ea1n t\u00ednh to\u00e1n tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o b\u00e0n \u0111\u1ea1p.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi c\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n cho vi\u1ec7c u\u1ed1n kh\u00f4ng kh\u00ed th\u00e9p nh\u1eb9:<\/p>\n\n\n\n

Tr\u1ecdng t\u1ea3i tr\u00ean m\u1ed7i foot \u2248 (K \u00d7 \u0110\u1ed9 b\u1ec1n k\u00e9o \u00d7 \u0110\u1ed9 d\u00e0y\u00b2) \/ \u0110\u1ed9 m\u1edf khu\u00f4n<\/strong><\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi th\u00e9p nh\u1eb9 60.000 PSI, h\u1ea7u h\u1ebft c\u00e1c bi\u1ec3u \u0111\u1ed3 \u0111\u00e3 t\u00ednh s\u1eb5n h\u1eb1ng s\u1ed1. \u0110\u00f3 l\u00e0 h\u1ec7 s\u1ed1 v\u1eadt li\u1ec7u \u201c1.0\u201d c\u1ee7a b\u1ea1n. B\u00e2y gi\u1edd h\u00e3y thay \u0111\u1ed5i lo\u1ea1i th\u00e9p, v\u00e0 b\u1ea1n s\u1ebd thay \u0111\u1ed5i ph\u00e9p t\u00ednh.<\/p>\n\n\n\n

AR400 kh\u00f4ng c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o 60.000 PSI. N\u00f3 th\u01b0\u1eddng v\u01b0\u1ee3t tr\u00ean 180.000 PSI \u0111\u1ed9 b\u1ec1n k\u00e9o v\u1edbi gi\u1edbi h\u1ea1n ch\u1ea3y kho\u1ea3ng 140.000\u2013160.000 PSI t\u00f9y theo l\u00f4. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 h\u1ec7 s\u1ed1 v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0 1.0. N\u00f3 g\u1ea7n v\u1edbi 2.5 so v\u1edbi th\u00e9p nh\u1eb9.<\/p>\n\n\n\n

V\u00ec v\u1eady, n\u1ebfu bi\u1ec3u \u0111\u1ed3 c\u1ee7a b\u1ea1n ghi 60 t\u1ea5n cho l\u1ea7n u\u1ed1n \u0111\u00f3 v\u1edbi th\u00e9p A36, th\u00ec AR400 kh\u00f4ng c\u1ea7n \u201cnhi\u1ec1u h\u01a1n m\u1ed9t ch\u00fat\u201d. N\u00f3 c\u1ea7n kho\u1ea3ng 150 t\u1ea5n cho c\u00f9ng m\u1ed9t h\u00ecnh h\u1ecdc. C\u00f9ng \u0111\u1ed9 d\u00e0y. C\u00f9ng khu\u00f4n. C\u00f9ng g\u00f3c u\u1ed1n.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n kh\u00f4ng nh\u00e2n l\u00ean, b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111\u00e1nh gi\u00e1 th\u1ea5p 10%. B\u1ea1n \u0111ang sai l\u1ec7ch b\u1edfi m\u1ed9t h\u1ec7 s\u1ed1 c\u00f3 th\u1ec3 \u0111\u1ea9y b\u1ea1n v\u01b0\u1ee3t ra ngo\u00e0i ph\u1ea1m vi th\u1ee7y l\u1ef1c m\u00e0 m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 gi\u1eef an to\u00e0n. V\u00e0 \u0111\u00f3 l\u00e0 tr\u01b0\u1edbc khi ch\u00fang ta n\u00f3i v\u1ec1 chi\u1ec1u r\u1ed9ng khu\u00f4n.<\/p>\n\n\n\n

V\u1eady ch\u00ednh x\u00e1c \u0111i\u1ec1u g\u00ec trong th\u00e9p bu\u1ed9c b\u1ea1n ph\u1ea3i lo\u1ea1i b\u1ecf bi\u1ec3u \u0111\u1ed3?<\/p>\n\n\n\n

Th\u00e9p nh\u1eb9, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c AR400: C\u00e1ch gi\u1edbi h\u1ea1n ch\u1ea3y vi\u1ebft l\u1ea1i bi\u1ec3u \u0111\u1ed3 ti\u00eau chu\u1ea9n c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

H\u00e3y nh\u00ecn v\u00e0o b\u00e1n k\u00ednh b\u00ean trong sau khi u\u1ed1n. \u0110\u00f3 l\u00e0 n\u01a1i c\u00e1c s\u1ee3i b\u00ean ngo\u00e0i b\u1ecb k\u00e9o c\u0103ng v\u00e0 c\u00e1c s\u1ee3i b\u00ean trong b\u1ecb n\u00e9n l\u1ea1i. Qu\u00e1 tr\u00ecnh u\u1ed1n b\u1eaft \u0111\u1ea7u khi b\u1ea1n v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ea3y, kh\u00f4ng ph\u1ea3i \u0111\u1ed9 b\u1ec1n k\u00e9o. Gi\u1edbi h\u1ea1n ch\u1ea3y l\u00e0 \u0111i\u1ec3m m\u00e0 th\u00e9p ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e0n h\u1ed3i v\u00e0 b\u1eaft \u0111\u1ea7u ch\u1ea3y.<\/p>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c bi\u1ec3u \u0111\u1ed3 tr\u1ecdng t\u1ea3i chung \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean th\u00e9p nh\u1eb9 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o 60.000 PSI. Ch\u00fang gi\u1ea3 \u0111\u1ecbnh t\u1ef7 l\u1ec7 gi\u1edbi h\u1ea1n ch\u1ea3y tr\u00ean \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111i\u1ec3n h\u00ecnh cho lo\u1ea1i \u0111\u00f3. Thay b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304, v\u00e0 b\u1ea1n \u0111ang x\u1eed l\u00fd \u0111\u1ed9 b\u1ec1n k\u00e9o kho\u1ea3ng 90.000 PSI. Thay b\u1eb1ng AR400, c\u1ea3 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 gi\u1edbi h\u1ea1n ch\u1ea3y \u0111\u1ec1u t\u0103ng v\u1ecdt.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 quan tr\u1ecdng v\u00ec l\u1ef1c u\u1ed1n c\u1ea7n thi\u1ebft t\u1ec9 l\u1ec7 g\u1ea7n nh\u01b0 tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o trong c\u00f4ng th\u1ee9c. N\u1ebfu t\u0103ng g\u1ea5p \u0111\u00f4i \u0111\u1ed9 b\u1ec1n k\u00e9o, v\u1edbi c\u00f9ng \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 m\u1edf khu\u00f4n, b\u1ea1n s\u1ebd c\u1ea7n l\u1ef1c \u00e9p (t\u1ea5n) g\u1ea7n nh\u01b0 g\u1ea5p \u0111\u00f4i.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o th\u01b0\u1eddng b\u1ecf qua: nhi\u1ec1u ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u1ecdc th\u1ea5y \u201cgi\u1edbi h\u1ea1n ch\u1ea3y 140.000 PSI\u201d tr\u00ean gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u00e0 nh\u1eadp v\u00e0o gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 140.000. Ho\u1eb7c t\u1ec7 h\u01a1n, h\u1ecd b\u1ecf qua c\u1ea3 hai v\u00e0 tin t\u01b0\u1edfng v\u00e0o b\u1ea3ng tra th\u00e9p m\u1ec1m. \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n \u00e2m th\u1ea7m y\u00eau c\u1ea7u 120 t\u1ea5n khi c\u00f4ng vi\u1ec7c th\u1ef1c s\u1ef1 c\u1ea7n t\u1edbi 280 t\u1ea5n.<\/p>\n\n\n\n

Tr\u00ean m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c, b\u1ea1n c\u00f3 th\u1ec3 quan s\u00e1t \u00e1p su\u1ea5t t\u0103ng l\u00ean v\u00e0 t\u1ea1m d\u1eebng. Tr\u00ean m\u00e1y c\u01a1, b\u1ea1n ch\u1ec9 th\u1ea5y ram r\u01a1i xu\u1ed1ng. D\u00f9 th\u1ebf n\u00e0o \u0111i n\u1eefa, n\u1ebfu b\u1ea1n t\u00ednh to\u00e1n sai, c\u00e1i m\u00e1y kh\u00f4ng quan t\u00e2m \u0111\u1ebfn s\u1ef1 l\u1ea1c quan c\u1ee7a b\u1ea1n \u0111\u00e2u.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: Ch\u00fang t\u00f4i t\u1eebng u\u1ed1n th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y 1\/2 inch v\u1edbi gi\u1ea3 \u0111\u1ecbnh h\u1ec7 s\u1ed1 v\u1eadt li\u1ec7u l\u00e0 1,5. L\u00f4 h\u00e0ng \u0111\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt\u2014g\u1ea7n v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o 100.000 PSI. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 \u00e9p h\u1ebft h\u00e0nh tr\u00ecnh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c u\u1ed1n. \u00c1p su\u1ea5t t\u0103ng v\u1ecdt v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a khu\u00f4n v\u00e0 l\u00e0m n\u1ee9t vai khu\u00f4n. Kh\u00f4ng ai b\u1ecb th\u01b0\u01a1ng. M\u1ed9t b\u00e0i h\u1ecdc \u0111\u1eaft gi\u00e1.<\/p>\n\n\n\n

V\u1eady l\u00e0 b\u1ea1n \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh theo \u0111\u1ed9 b\u1ec1n. T\u1ed1t. B\u00e2y gi\u1edd h\u00e3y cho t\u00f4i bi\u1ebft\u2014b\u1ea1n \u0111ang s\u1eed d\u1ee5ng \u0111\u1ed9 m\u1edf khu\u00f4n n\u00e0o, v\u00e0 b\u1ea1n c\u00f3 bi\u1ebft \u0111i\u1ec1u \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t b\u00ean trong c\u00e1c xi lanh c\u1ee7a m\u00ecnh kh\u00f4ng?<\/p>\n\n\n\n

C\u00e1i b\u1eaby t\u1ef7 l\u1ec7 khu\u00f4n V: B\u1ea1n c\u00f3 \u0111ang v\u00f4 t\u00ecnh l\u00e0m c\u1ea1n ki\u1ec7t kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c xi lanh kh\u00f4ng?<\/h3>\n\n\n\n

H\u00e3y l\u1ea5y c\u00f9ng lo\u1ea1i th\u00e9p AR400 d\u00e0y 3\/8 inch \u0111\u00f3. Gi\u1ea3 s\u1eed b\u1ea1n ch\u1ecdn khu\u00f4n V 2 inch v\u00ec b\u1ea1n mu\u1ed1n b\u00e1n k\u00ednh trong nh\u1ecf h\u01a1n. C\u00f4ng th\u1ee9c t\u00ednh l\u1ef1c u\u1ed1n b\u00ecnh ph\u01b0\u01a1ng \u0111\u1ed9 d\u00e0y v\u00e0 chia cho \u0111\u1ed9 m\u1edf khu\u00f4n. N\u1ebfu gi\u1ea3m \u0111\u1ed9 m\u1edf khu\u00f4n V xu\u1ed1ng m\u1ed9t n\u1eeda, b\u1ea1n g\u1ea7n nh\u01b0 t\u0103ng g\u1ea5p \u0111\u00f4i l\u1ef1c c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

Th\u00f4ng l\u1ec7 ti\u00eau chu\u1ea9n cho vi\u1ec7c u\u1ed1n t\u1ef1 do (air bending) th\u00e9p m\u1ec1m l\u00e0 kho\u1ea3ng 8 l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u cho \u0111\u1ed9 m\u1edf khu\u00f4n V. N\u1ebfu ch\u1ecdn h\u1eb9p h\u01a1n\u20146 l\u1ea7n ho\u1eb7c 4 l\u1ea7n\u2014l\u1ef1c u\u1ed1n s\u1ebd t\u0103ng r\u1ea5t nhanh. \u0110\u1ed1i v\u1edbi th\u00e9p t\u1ea5m c\u01b0\u1eddng \u0111\u1ed9 cao, m\u1ee9c t\u0103ng \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 s\u1ef1 kh\u00f3 kh\u0103n tuy\u1ebfn t\u00ednh. \u0110\u00f3 l\u00e0 r\u1ee7i ro th\u1ee7y l\u1ef1c.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 c\u00e1i b\u1eaby: m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c 200 t\u1ea5n. Nh\u01b0ng \u0111\u1ecbnh m\u1ee9c \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 to\u00e0n b\u1ed9 l\u1ef1c tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i. \u0110\u1ed9 v\u00f5ng v\u00e0 s\u1ef1 ph\u00e2n b\u1ed5 th\u1ee7y l\u1ef1c c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ec9 gi\u1ea3 \u0111\u1ecbnh c\u00f4ng su\u1ea5t \u0111\u1ed3ng nh\u1ea5t t\u1eeb \u0111\u1ea7u n\u00e0y \u0111\u1ebfn \u0111\u1ea7u kia. N\u1ebfu \u0111\u1eb7t m\u1ed9t khu\u00f4n V d\u00e0i v\u00e0 h\u1eb9p v\u1edbi th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, b\u1ea1n s\u1ebd t\u1eadp trung l\u1ef1c v\u00e0o m\u1ed9t di\u1ec7n t\u00edch ti\u1ebfp x\u00fac nh\u1ecf h\u01a1n. \u00c1p su\u1ea5t trong c\u00e1c xi lanh s\u1ebd t\u0103ng l\u00ean \u0111\u1ec3 b\u00f9 \u0111\u1eafp.<\/p>\n\n\n\n

N\u1ebfu l\u1ef1c t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n cho th\u00e9p AR400 trong khu\u00f4n V 8 l\u1ea7n l\u00e0 150 t\u1ea5n, th\u00ec vi\u1ec7c gi\u1ea3m xu\u1ed1ng khu\u00f4n V 6 l\u1ea7n c\u00f3 th\u1ec3 \u0111\u1ea9y b\u1ea1n l\u00ean tr\u00ean 200 t\u1ea5n. B\u1ea1n kh\u00f4ng thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y. B\u1ea1n \u0111\u00e3 thay \u0111\u1ed5i h\u00ecnh h\u1ecdc\u2014v\u00e0 \u00e9p h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c \u0111\u1ebfn gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3.<\/p>\n\n\n\n

V\u00e0 khi m\u1ed9t xi lanh th\u1ee7y l\u1ef1c \u0111\u1ea1t \u0111\u1ebfn \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng t\u1ed1i \u0111a, n\u00f3 kh\u00f4ng c\u1ea3nh b\u00e1o b\u1ea1n m\u1ed9t c\u00e1ch l\u1ecbch s\u1ef1 \u0111\u00e2u. C\u00e1c van x\u1ea3 s\u1ebd k\u00eau l\u1ea1ch c\u1ea1ch. C\u00e1c ph\u1edbt l\u00e0m k\u00edn s\u1ebd ph\u1ea3i ch\u1ecbu t\u1ea3i. B\u1ea1n ch\u1ec9 c\u00e1ch m\u1ed9t s\u1ef1 c\u1ed1 k\u1eb9t van d\u1eabn \u0111\u1ebfn vi\u1ec7c \u00e9p qu\u00e1 h\u00e0nh tr\u00ecnh \u0111\u1ed9t ng\u1ed9t.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: M\u1ed9t nh\u00e2n vi\u00ean m\u1edbi t\u1eebng ch\u1ecdn khu\u00f4n V 5 l\u1ea7n cho th\u00e9p HSLA d\u00e0y 1\/2 inch \u0111\u1ec3 \u201cc\u00f3 c\u00e1c g\u00f3c u\u1ed1n s\u1ea1ch h\u01a1n\u201d. Ph\u00e9p t\u00ednh l\u1ef1c u\u1ed1n m\u00e0 anh ta b\u1ecf qua l\u1ebd ra \u0111\u00e3 cho th\u1ea5y ch\u00fang ta c\u1ea7n nhi\u1ec1u h\u01a1n c\u00f4ng su\u1ea5t ph\u00e2n b\u1ed5 c\u1ee7a m\u00e1y ch\u1ea5n tr\u00ean chi\u1ec1u d\u00e0i 10 feet. Ram b\u1ecb kh\u1ef1ng l\u1ea1i, \u00e1p su\u1ea5t t\u0103ng t\u1ed1i \u0111a, v\u00e0 khi anh ta l\u00f9i l\u1ea1i, chi ti\u1ebft b\u1eadt ra d\u1eef d\u1ed9i, su\u00fdt ch\u00fat n\u1eefa l\u00e0m anh ta m\u1ea5t th\u0103ng b\u1eb1ng.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1m d\u1eebng gi\u1eefa ch\u1eebng bao l\u00e2u t\u00f9y th\u00edch. N\u1ebfu l\u1ef1a ch\u1ecdn khu\u00f4n c\u1ee7a b\u1ea1n \u0111\u00f2i h\u1ecfi nhi\u1ec1u l\u1ef1c h\u01a1n m\u1ee9c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t c\u00e1ch tr\u01a1n tru, b\u1ea1n kh\u00f4ng ph\u1ea3i \u0111ang ki\u1ec3m so\u00e1t m\u1ed9t d\u00f2ng s\u00f4ng\u2014b\u1ea1n \u0111ang c\u1ed1 g\u1eafng ng\u0103n m\u1ed9t tr\u1eadn l\u0169 b\u1eb1ng m\u1ed9t chi\u1ebfc gi\u1ebb lau.<\/p>\n\n\n\n

V\u1eady c\u00f3 l\u1ebd b\u1ea1n s\u1ebd n\u00f3i, \u0111\u01b0\u1ee3c r\u1ed3i, t\u00f4i s\u1ebd u\u1ed1n t\u1ef1 do trong khu\u00f4n r\u1ed9ng h\u01a1n \u0111\u1ec3 gi\u1eef l\u1ef1c u\u1ed1n th\u1ea5p xu\u1ed1ng. \u0110i\u1ec1u \u0111\u00f3 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1, ph\u1ea3i kh\u00f4ng?<\/p>\n\n\n\n

U\u1ed1n t\u1ef1 do (Air Bending) so v\u1edbi U\u1ed1n \u0111\u00e1y (Bottoming): Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o h\u1ee3p l\u00fd cho lo\u1ea1i th\u00e9p c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n?<\/h3>\n\n\n\n

U\u1ed1n t\u1ef1 do ch\u1ec9 ti\u1ebfp x\u00fac v\u1edbi m\u0169i ch\u00e0y v\u00e0 vai khu\u00f4n. V\u1eadt li\u1ec7u l\u01a1 l\u1eedng \u1edf gi\u1eefa. \u0110i\u1ec1u \u0111\u00f3 gi\u1eef cho l\u1ef1c u\u1ed1n c\u1ea7n thi\u1ebft th\u1ea5p h\u01a1n\u2014th\u01b0\u1eddng ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n nh\u1ecf so v\u1edbi u\u1ed1n \u0111\u00e1y ho\u1eb7c d\u1eadp n\u1ed5i (coining), v\u1ed1n c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi l\u1ef1c g\u1ea5p hai \u0111\u1ebfn b\u1ed1n l\u1ea7n v\u00ec b\u1ea1n \u0111ang \u00e9p th\u00e9p ph\u1ea3i tu\u00e2n theo g\u00f3c v\u00e0 b\u00e1n k\u00ednh c\u1ee7a khu\u00f4n.<\/p>\n\n\n\n

V\u00ed d\u1ee5, th\u00e9p m\u1ec1m 3 mm tr\u00ean khu\u00f4n V 24 mm c\u00f3 th\u1ec3 c\u1ea7n kho\u1ea3ng 20 t\u1ea5n m\u1ed7i m\u00e9t khi u\u1ed1n t\u1ef1 do. Chuy\u1ec3n sang u\u1ed1n \u0111\u00e1y, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u0103ng g\u1ea5p \u0111\u00f4i ho\u1eb7c g\u1ea5p ba con s\u1ed1 \u0111\u00f3. C\u00f9ng m\u1ed9t t\u1ea5m th\u00e9p. C\u00f9ng \u0111\u1ed9 d\u00e0y. Nhu c\u1ea7u th\u1ee7y l\u1ef1c ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n

Tr\u00ean th\u00e9p AR400, u\u1ed1n t\u1ef1 do gi\u1eef cho l\u1ef1c u\u1ed1n \u1edf m\u1ee9c c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c\u2014nh\u01b0ng \u0111\u1ed9 \u0111\u00e0n h\u1ed3i (springback) c\u00f3 th\u1ec3 t\u1eeb 8 \u0111\u1ebfn 10 \u0111\u1ed9. \u0110i\u1ec1u \u0111\u00f3 c\u00e1m d\u1ed7 ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ed1 \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c u\u1ed1n b\u1eb1ng c\u00e1ch \u00e9p s\u00e2u h\u01a1n, d\u1eabn \u0111\u1ebfn vi\u1ec7c v\u00f4 t\u00ecnh chuy\u1ec3n sang u\u1ed1n \u0111\u00e1y. Ngay kho\u1ea3nh kh\u1eafc b\u1ea1n chuy\u1ec3n t\u1eeb u\u1ed1n t\u1ef1 do sang u\u1ed1n \u0111\u00e1y m\u00e0 kh\u00f4ng t\u00ednh to\u00e1n l\u1ea1i, y\u00eau c\u1ea7u v\u1ec1 l\u1ef1c u\u1ed1n c\u1ee7a b\u1ea1n s\u1ebd t\u0103ng v\u1ecdt.<\/p>\n\n\n\n

S\u1ef1 t\u0103ng v\u1ecdt \u0111\u00f3 l\u00e0 n\u01a1i c\u00e1c xi lanh b\u1ecb b\u1ea5t ng\u1edd.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n dung sai ch\u1eb7t ch\u1ebd tr\u00ean th\u00e9p t\u1ea5m c\u01b0\u1eddng \u0111\u1ed9 cao, \u0111\u00f4i khi u\u1ed1n \u0111\u00e1y c\u00f3 ki\u1ec3m so\u00e1t l\u00e0 h\u1ee3p l\u00fd\u2014nh\u01b0ng ch\u1ec9 khi b\u1ea1n \u0111\u00e3 t\u00ednh to\u00e1n l\u1ef1c cao h\u01a1n tr\u01b0\u1edbc v\u00e0 x\u00e1c nh\u1eadn c\u1ea3 \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y v\u00e0 khu\u00f4n b\u1eb1ng c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ea5t qu\u00e1n. T\u1ea5n m\u00e9t tr\u00ean m\u00e9t kh\u00f4ng gi\u1ed1ng nh\u01b0 t\u1ea5n ng\u1eafn tr\u00ean foot. N\u1ebfu nh\u1ea7m l\u1eabn gi\u1eefa ch\u00fang, b\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 r\u1eb1ng m\u1ed9t khu\u00f4n c\u1ee9ng g\u1ea5p ba l\u1ea7n so v\u1edbi th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n coi t\u1ea5t c\u1ea3 ch\u00fang nh\u01b0 nh\u1eefng chi\u1ebfc b\u00faa \u0111\u1ed9ng n\u0103ng, b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c nh\u1eefng t\u1ea5m th\u00e9p \u0111\u1eaft ti\u1ec1n v\u00e0o m\u1ed9t \u0111\u01b0\u1eddng cong l\u1ef1c m\u00e0 b\u1ea1n th\u1eadm ch\u00ed c\u00f2n kh\u00f4ng hi\u1ec3u r\u00f5.<\/p>\n\n\n\n

Th\u1ee7y l\u1ef1c mang l\u1ea1i cho b\u1ea1n s\u1ee9c m\u1ea1nh \u0111\u1ec3 t\u1ea1m d\u1eebng, gi\u1eef v\u00e0 \u0111\u1ecbnh h\u00ecnh l\u1ef1c. Nh\u01b0ng ch\u00ednh vi\u1ec7c t\u00ednh to\u00e1n m\u1edbi quy\u1ebft \u0111\u1ecbnh li\u1ec7u vi\u1ec7c t\u1ea1m d\u1eebng \u0111\u00f3 x\u1ea3y ra \u1edf m\u1ee9c an to\u00e0n 140 t\u1ea5n\u2014hay \u1edf m\u1ee9c 260 t\u1ea5n l\u00e0m h\u1ecfng ph\u1edbt v\u00e0 c\u00f3 nguy c\u01a1 g\u00e2y n\u1ee9t v\u1ee1. V\u00e0 \u0111i\u1ec1u \u0111\u00f3 d\u1eabn th\u1eb3ng \u0111\u1ebfn k\u1ef7 lu\u1eadt ti\u1ebfp theo m\u00e0 b\u1ea1n ph\u1ea3i n\u1eafm v\u1eefng: m\u1ed9t khi b\u1ea1n bi\u1ebft \u0111\u00fang s\u1ed1 t\u1ea5n, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n l\u1eadp tr\u00ecnh tr\u00ecnh t\u1ef1 cho ram v\u00e0 \u00e1p su\u1ea5t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c m\u1ee9c \u0111\u00f3\u2014m\u00e0 kh\u00f4ng b\u1ecb v\u01b0\u1ee3t ng\u01b0\u1ee1ng?<\/p>\n\n\n\n

\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 u\u1ed1n: H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 l\u1eadp tr\u00ecnh tr\u00ecnh t\u1ef1 ram th\u1ee7y l\u1ef1c<\/h2>\n\n\n\n

T\u00f4i \u0111\u00e3 h\u1ecdc \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y theo c\u00e1ch kh\u00f3 kh\u0103n nh\u1ea5t khi \u0111ang v\u1eadn h\u00e0nh m\u1ed9t m\u00e1y ch\u1ea5n c\u01a1 250 t\u1ea5n. B\u1ea1n \u0111\u1eb7t \u0111\u1ed9 s\u00e2u, \u0111\u1ea1p b\u00e0n \u0111\u1ea1p, v\u00e0 ram r\u01a1i xu\u1ed1ng nh\u01b0 m\u1ed9t l\u01b0\u1ee1i dao m\u00e1y ch\u00e9m. Kh\u00f4ng t\u1ea1m d\u1eebng. Kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh. N\u1ebfu b\u1ea1n l\u00e0m sai g\u00f3c, b\u1ea1n ph\u1ea3i ch\u1ea5p nh\u1eadn k\u1ebft qu\u1ea3 \u0111\u00f3.<\/p>\n\n\n\n

M\u1ed9t m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 v\u1eady.<\/p>\n\n\n\n

B\u1ea1n \u0111\u00e3 t\u00ednh to\u00e1n s\u1ed1 t\u1ea5n. B\u1ea1n bi\u1ebft \u0111\u1ed9 m\u1edf khu\u00f4n c\u1ee7a m\u00ecnh. T\u1ed1t. B\u00e2y gi\u1edd c\u00e2u h\u1ecfi th\u1ef1c s\u1ef1 l\u00e0: l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n di chuy\u1ec3n 180 t\u1ea5n qua th\u00e9p m\u00e0 kh\u00f4ng b\u1ecb v\u01b0\u1ee3t qu\u00e1 20 t\u1ea5n do van c\u1ee7a b\u1ea1n ph\u1ea3n \u1ee9ng ch\u1eadm n\u1eeda gi\u00e2y so v\u1edbi ch\u00e2n c\u1ee7a b\u1ea1n?<\/p>\n\n\n\n

B\u1ea1n h\u00e3y ng\u1eebng suy ngh\u0129 theo \u0111\u01a1n v\u1ecb inch h\u00e0nh tr\u00ecnh v\u00e0 b\u1eaft \u0111\u1ea7u suy ngh\u0129 theo t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u00e0 s\u1ef1 gia t\u0103ng \u00e1p su\u1ea5t. M\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c gi\u1ed1ng nh\u01b0 m\u1ed9t d\u00f2ng s\u00f4ng. H\u00e3y ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y, kh\u00f4ng ch\u1ec9 l\u00e0 b\u1edd s\u00f4ng.<\/p>\n\n\n\n

Ti\u1ebfp c\u1eadn, K\u1eb9p v\u00e0 \u00c9p: L\u1eadp tr\u00ecnh t\u1ed1c \u0111\u1ed9 h\u00e0nh tr\u00ecnh ho\u00e0n h\u1ea3o cho t\u1ea5m th\u00e9p d\u00e0y<\/h3>\n\n\n\n

H\u00e3y quan s\u00e1t \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t v\u00e0o l\u1ea7n t\u1edbi khi b\u1ea1n u\u1ed1n t\u1ea5m AR400 d\u00e0y 1\/2 inch trong khu\u00f4n V 8\u00d7. Hai inch di chuy\u1ec3n \u0111\u1ea7u ti\u00ean? H\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 t\u1ea3i. B\u1ea1n ch\u1ec9 \u0111ang \u0111\u00f3ng kho\u1ea3ng c\u00e1ch kh\u00f4ng kh\u00ed. Sau \u0111\u00f3, ch\u00e0y ch\u1ea1m v\u00e0o t\u1ea5m th\u00e9p. \u00c1p su\u1ea5t b\u1eaft \u0111\u1ea7u t\u0103ng\u2014kh\u00f4ng \u0111\u1ed9t ng\u1ed9t, m\u00e0 \u0111\u1ec1u \u0111\u1eb7n\u2014khi bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i b\u1eaft \u0111\u1ea7u. \u0110\u01b0\u1eddng cong \u0111\u00f3 cho b\u1ea1n bi\u1ebft n\u01a1i n\u00e0o s\u1ef1 ki\u1ec3m so\u00e1t c\u1ee7a b\u1ea1n tr\u1edf n\u00ean quan tr\u1ecdng.<\/p>\n\n\n\n

Thi\u1ebft l\u1eadp<\/strong> t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn nhanh xu\u1ed1ng \u0111\u1ebfn 0,200 inch ph\u00eda tr\u00ean v\u1eadt li\u1ec7u. Di chuy\u1ec3n kh\u00f4ng kh\u00ed nhanh ch\u00f3ng; \u0111\u1eebng l\u00e3ng ph\u00ed th\u1eddi gian chu k\u1ef3 \u0111\u1ec3 n\u00e9n kho\u1ea3ng kh\u00f4ng.<\/p>\n\n\n\n

Gi\u1ea3m<\/strong> xu\u1ed1ng t\u1ed1c \u0111\u1ed9 k\u1eb9p c\u00f3 ki\u1ec3m so\u00e1t tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac. T\u00f4i th\u00edch m\u1ed9t s\u1ef1 s\u1ee5t gi\u1ea3m r\u00f5 r\u1ec7t\u2014\u0111\u1ee7 nhanh \u0111\u1ec3 duy tr\u00ec n\u0103ng su\u1ea5t, \u0111\u1ee7 ch\u1eadm \u0111\u1ec3 c\u00e1c van t\u1ef7 l\u1ec7 c\u00f3 th\u1ec3 theo k\u1ecbp. C\u00e1c h\u1ec7 th\u1ed1ng v\u00f2ng l\u1eb7p k\u00edn \u0111i\u1ec1u ch\u1ec9nh trong v\u00e0i mili gi\u00e2y, nh\u01b0ng van v\u1eabn c\u00f3 th\u1eddi gian ph\u1ea3n h\u1ed3i v\u1eadt l\u00fd. N\u1ebfu b\u1ea1n \u0111ang lao \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a v\u00e0o \u0111i\u1ec3m ti\u1ebfp x\u00fac, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111ang ph\u1ea3n \u1ee9ng v\u1edbi sai l\u1ea7m c\u1ee7a ng\u00e0y h\u00f4m qua.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf \u1edf \u0111\u00e2y l\u00e0: \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c kh\u00f4ng t\u0103ng v\u1ecdt v\u00ec th\u00e9p x\u1ea5u xa. N\u00f3 t\u0103ng v\u1ecdt v\u00ec ch\u1ea5t l\u1ecfng g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 n\u00e9n \u0111\u01b0\u1ee3c v\u00e0 c\u00e1c xi lanh c\u1ee7a b\u1ea1n v\u1eabn \u0111ang ch\u1ea3y \u1edf t\u1ed1c \u0111\u1ed9 cao khi l\u1ef1c c\u1ea3n \u0111\u1ed9t ng\u1ed9t t\u0103ng l\u00ean. H\u00e3y l\u00e0m ch\u1eadm d\u00f2ng ch\u1ea3y tr\u01b0\u1edbc khi l\u1ef1c c\u1ea3n t\u0103ng l\u00ean, v\u00e0 \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t s\u1ebd m\u01b0\u1ee3t m\u00e0 h\u01a1n. B\u1ea1n \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1eddng cong l\u1ef1c thay v\u00ec \u0111\u00e2m s\u1ea7m v\u00e0o n\u00f3.<\/p>\n\n\n\n

Chuy\u1ec3n ti\u1ebfp<\/strong> sang t\u1ed1c \u0111\u1ed9 \u00e9p khi s\u1ed1 t\u1ea5n t\u0103ng v\u01b0\u1ee3t qu\u00e1 30\u201340% m\u1ee5c ti\u00eau. \u0110\u00e2y l\u00e0 l\u00fac t\u1ea5m th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao b\u1eaft \u0111\u1ea7u ch\u1ed1ng l\u1ea1i. H\u00e3y gi\u1eef cho ram song song. C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9 hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 gi\u1eef sai s\u1ed1 \u00b10,01 mm m\u1ed7i m\u00e9t\u2014nh\u01b0ng ch\u1ec9 khi c\u1ea3 hai xi lanh \u0111\u1ec1u th\u1ea5y d\u00f2ng ch\u1ea3y c\u00e2n b\u1eb1ng. N\u1ebfu m\u1ed9t b\u00ean b\u1ecb ch\u1eadm l\u1ea1i do b\u1ea1n ra l\u1ec7nh t\u1ed1c \u0111\u1ed9 qu\u00e1 m\u1ea1nh, b\u1ea1n kh\u00f4ng ph\u1ea3i \u0111ang u\u1ed1n; b\u1ea1n \u0111ang l\u00e0m xo\u1eafn t\u1ea5m th\u00e9p.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: M\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1edbi \u0111\u00e3 t\u1eebng \u0111\u1ec3 t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn cao cho \u0111\u1ebfn t\u1eadn khi ti\u1ebfp x\u00fac tr\u00ean t\u1ea5m HSLA d\u00e0y 3\/4 inch. Ram va ch\u1ea1m, \u00e1p su\u1ea5t v\u01b0\u1ee3t ng\u01b0\u1ee1ng, v\u00e0 xi lanh b\u00ean ph\u1ea3i b\u1ecb ch\u1eadm 0,3 mm tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh. Chi ti\u1ebft b\u1ecb cong v\u00eanh, ch\u00e0y b\u1ecb m\u1ebb, v\u00e0 tay c\u1ee7a anh ta v\u1eabn c\u00f2n \u1edf b\u00ean trong khu v\u1ef1c khu\u00f4n \u0111\u1ec3 d\u1ecdn v\u1ea3y th\u00e9p khi \u0111i\u1ec1u \u0111\u00f3 x\u1ea3y ra. C\u00e1c h\u00e0nh tr\u00ecnh nhanh \u0111\u00e1nh c\u1eafp th\u1eddi gian ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n

L\u1eadp tr\u00ecnh<\/strong> c\u1ea3 t\u1ed1c \u0111\u1ed9 tr\u1ea3 v\u1ec1 c\u00f3 ki\u1ec3m so\u00e1t. D\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c kh\u00f4ng ph\u1ea3i l\u00e0 vi\u1ec7c ph\u1ee5. N\u1ebfu h\u00e0nh tr\u00ecnh \u0111i l\u00ean b\u1eadt ng\u01b0\u1ee3c qu\u00e1 m\u1ea1nh, b\u1ea1n s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ram n\u1ea3y. S\u1ef1 n\u1ea3y \u0111\u00f3 xu\u1ea5t hi\u1ec7n \u1edf chu k\u1ef3 ti\u1ebfp theo d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed9 s\u00e2u kh\u00f4ng nh\u1ea5t qu\u00e1n, v\u00e0 \u0111\u1ed9t nhi\u00ean b\u1ea1n ph\u1ea3i \u0111u\u1ed5i theo g\u00f3c u\u1ed1n b\u1eb1ng c\u00e1c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u v\u1ed1n kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 th\u1ef1c s\u1ef1.<\/p>\n\n\n\n

V\u1eady l\u00e0 b\u1ea1n \u0111\u00e3 l\u1eadp tr\u00ecnh xong tr\u00ecnh t\u1ef1 h\u00e0nh tr\u00ecnh. B\u1ea1n \u0111ang \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ed1 t\u1ea5n m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng b\u1ecb v\u01b0\u1ee3t ng\u01b0\u1ee1ng. B\u00e2y gi\u1edd th\u00e9p th\u01b0 gi\u00e3n v\u00e0 m\u1edf ra ba \u0111\u1ed9. B\u1ea1n s\u1ebd \u0111u\u1ed5i theo n\u00f3 s\u00e2u h\u01a1n\u2014hay gi\u1eef n\u00f3 \u1edf v\u1ecb tr\u00ed hi\u1ec7n t\u1ea1i?<\/p>\n\n\n\n

Ti\u1ebfn tho\u00e1i l\u01b0\u1ee1ng nan v\u1ec1 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i (Springback): B\u1ea1n n\u00ean u\u1ed1n qu\u00e1 m\u1ee9c hay gi\u1eef \u00e1p su\u1ea5t \u1edf \u0111\u00e1y?<\/h3>\n\n\n\n

U\u1ed1n m\u1ed9t mi\u1ebfng th\u00e9p AR400 d\u00e0y 1\/2 inch \u0111\u1ebfn 90 \u0111\u1ed9 trong kh\u00f4ng kh\u00ed. X\u1ea3 \u00e1p su\u1ea5t. N\u00f3 b\u1eadt ng\u01b0\u1ee3c l\u1ea1i 97 \u0111\u1ed9. B\u1ea3y \u0111\u1ed9 \u0111\u00f3 ch\u00ednh l\u00e0 s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i\u2014n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef tho\u00e1t ra kh\u1ecfi th\u00e9p ngay kho\u1ea3nh kh\u1eafc b\u1ea1n d\u1ee1 t\u1ea3i.<\/p>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u1ec1u nh\u1ea5n s\u00e2u h\u01a1n \u1edf l\u1ea7n d\u1eadp ti\u1ebfp theo. \u0110\u1ed9 s\u00e2u l\u1edbn h\u01a1n. L\u1ef1c l\u1edbn h\u01a1n. Hy v\u1ecdng \u0111\u1ea1t 90 \u0111\u1ed9 khi nh\u1ea3 ra.<\/p>\n\n\n\n

T\u1ea1m d\u1eebng<\/strong> t\u1ea1i \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi v\u1edbi \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t thay v\u00ec l\u00e0m nh\u01b0 v\u1eady. Kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kho\u1ea3ng ngh\u1ec9 u\u1ed1ng c\u00e0 ph\u00ea d\u00e0i\u2014ch\u1ec9 t\u1eeb n\u1eeda gi\u00e2y \u0111\u1ebfn m\u1ed9t gi\u00e2y d\u01b0\u1edbi m\u1ee9c t\u1ea3i tr\u1ecdng \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1ec1 m\u1eb7t v\u1eadt l\u00fd? B\u1ea1n \u0111ang cho ph\u00e9p s\u1ef1 bi\u1ebfn d\u1ea1ng vi m\u00f4 ph\u00e2n b\u1ed5 xuy\u00ean su\u1ed1t chi\u1ec1u d\u00e0y thay v\u00ec b\u1eadt ng\u01b0\u1ee3c l\u1ea1i ngay l\u1eadp t\u1ee9c. \u00c1p su\u1ea5t \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4ng \u0111\u1ed5i; \u1ee9ng su\u1ea5t b\u00ean trong v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 l\u1ea1i.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 c\u00e1c t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o th\u01b0\u1eddng b\u1ecf qua: gi\u1eef \u00e1p kh\u00f4ng ph\u1ea3i l\u00e0 ph\u00e9p thu\u1eadt. N\u1ebfu b\u1ea1n \u0111\u00e3 s\u1eed d\u1ee5ng 95% c\u00f4ng su\u1ea5t m\u00e1y, vi\u1ec7c gi\u1eef \u00e1p t\u0129nh c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 gia t\u0103ng nhi\u1ec7t trong d\u1ea7u v\u00e0 \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 t\u1ea1i c\u00e1c vai khu\u00f4n. \u00c1p su\u1ea5t li\u00ean t\u1ee5c, \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh t\u1ed1t s\u1ebd an to\u00e0n h\u01a1n so v\u1edbi vi\u1ec7c gi\u1eef \u00e1p n\u1eb7ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng<\/strong> th\u1eddi gian gi\u1eef \u00e1p nh\u01b0 m\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh tinh vi sau khi b\u1ea1n \u0111\u00e3 thi\u1ebft l\u1eadp xong t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn v\u00e0 t\u1ed1c \u0111\u1ed9 \u00e9p\u2014kh\u00f4ng ph\u1ea3i nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf cho h\u00ecnh h\u1ecdc k\u00e9m ho\u1eb7c t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 hi\u1ec7u ch\u1ec9nh g\u00f3c hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u1eefa h\u00e0nh tr\u00ecnh. N\u00f3 nh\u1eadn th\u1ea5y b\u1ea1n \u0111ang c\u00f3 xu h\u01b0\u1edbng u\u1ed1n ch\u01b0a \u0111\u1ee7 v\u00e0 ra l\u1ec7nh t\u0103ng th\u00eam m\u1ed9t ch\u00fat \u0111\u1ed9 s\u00e2u. M\u00e1y c\u00f3 th\u1ec3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3. Vi\u1ec7c quy\u1ebft \u0111\u1ecbnh khi n\u00e0o n\u00ean tin t\u01b0\u1edfng v\u00e0o n\u00f3 l\u00e0 \u1edf b\u1ea1n. N\u1ebfu vi\u1ec7c hi\u1ec7u ch\u1ec9nh \u0111\u00f2i h\u1ecfi m\u1ed9t s\u1ef1 t\u0103ng v\u1ecdt \u0111\u1ed9t ng\u1ed9t g\u1ea7n \u0111\u00e1y, b\u1ea1n n\u00ean l\u00f9i l\u1ea1i v\u00e0 l\u1eadp tr\u00ecnh l\u1ea1i \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t thay v\u00ec \u0111\u1ec3 n\u00f3 d\u1eadp m\u1ea1nh h\u01a1n v\u00e0o th\u1eddi \u0111i\u1ec3m t\u1ed3i t\u1ec7 nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra tai n\u1ea1n: Ch\u00fang t\u00f4i \u0111\u00e3 t\u1eebng c\u1ed1 g\u1eafng kh\u1eafc ph\u1ee5c \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y b\u1eb1ng c\u00e1ch t\u0103ng \u0111\u1ed9 s\u00e2u thay v\u00ec th\u00eam 0,7 gi\u00e2y gi\u1eef \u00e1p. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 v\u00f4 t\u00ecnh d\u1eadp ch\u1ea1m \u0111\u00e1y v\u00e0o g\u00f3c khu\u00f4n. T\u1ea3i tr\u1ecdng t\u0103ng g\u1ea5p \u0111\u00f4i ngay l\u1eadp t\u1ee9c. Van x\u1ea3 k\u00eau r\u00edt l\u00ean, v\u00e0 chi ti\u1ebft b\u1eadt ng\u01b0\u1ee3c l\u1ea1i khi \u0111\u01b0\u1ee3c nh\u1ea3 ra, su\u00fdt ch\u00fat n\u1eefa \u0111\u00e3 k\u1eb9p tr\u00fang c\u1eb3ng tay c\u1ee7a anh \u1ea5y v\u00e0o c\u1eef ch\u1eb7n sau.<\/p>\n\n\n\n

V\u1eady khi n\u00e0o vi\u1ec7c u\u1ed1n qu\u00e1 m\u1ee9c l\u00e0 h\u1ee3p l\u00fd? Khi b\u1ea1n \u0111\u00e3 x\u00e1c nh\u1eadn nhu c\u1ea7u t\u1ea3i tr\u1ecdng cao h\u01a1n v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n c\u1ee7a m\u00e1y v\u00e0 d\u1ee5ng c\u1ee5, v\u00e0 khi \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n \u0111\u1ee7 m\u01b0\u1ee3t m\u00e0 \u0111\u1ec3 kh\u00f4ng g\u00e2y s\u1ed1c cho h\u1ec7 th\u1ed1ng \u1edf ph\u00eda d\u01b0\u1edbi.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00e0 h\u1ea7u h\u1ebft nh\u00e2n vi\u00ean m\u1edbi \u0111\u1ec1u b\u1ecf qua cho \u0111\u1ebfn khi c\u00e1c chi ti\u1ebft b\u1eaft \u0111\u1ea7u c\u00f3 g\u00f3c \u0111o \u1edf hai \u0111\u1ea7u kh\u00e1c v\u1edbi \u1edf gi\u1eefa.<\/p>\n\n\n\n

\u0110i\u1ec1u ch\u1ec9nh b\u00f9 v\u00f5ng (Crowning): Ch\u1ed1ng l\u1ea1i s\u1ef1 bi\u1ebfn d\u1ea1ng t\u1ef1 nhi\u00ean c\u1ee7a b\u00e0n m\u00e1y d\u01b0\u1edbi t\u1ea3i tr\u1ecdng cao<\/h3>\n\n\n\n

Ch\u1ea5t t\u1ea3i 10 feet t\u1ea5m th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao d\u00e0y 3\/8 inch v\u00e0 \u0111\u1ea9y 160 t\u1ea5n l\u00ean \u0111\u00f3. B\u00e0n m\u00e1y s\u1ebd b\u1ecb v\u00f5ng. Kh\u00f4ng ph\u1ea3i v\u00ec n\u00f3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o k\u00e9m\u2014m\u00e0 v\u00ec th\u00e9p b\u1ecb u\u1ed1n cong d\u01b0\u1edbi t\u1ea3i tr\u1ecdng. Ph\u1ea7n trung t\u00e2m b\u1ecb v\u00f5ng xu\u1ed1ng v\u00e0i ph\u1ea7n ngh\u00ecn inch. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9 xuy\u00ean th\u1ea5u \u1edf gi\u1eefa \u00edt h\u01a1n, g\u00f3c u\u1ed1n l\u1edbn h\u01a1n.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 th\u1ec3 t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng ho\u00e0n h\u1ea3o nh\u01b0ng v\u1eabn nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u01b0\u1eddng u\u1ed1n h\u00ecnh m\u1eb7t c\u01b0\u1eddi.<\/p>\n\n\n\n

\u0110o<\/strong> m\u1ed9t chi ti\u1ebft th\u1eed nghi\u1ec7m \u1edf c\u1ea3 hai \u0111\u1ea7u v\u00e0 \u1edf gi\u1eefa tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o ph\u1ea7n \u0111i\u1ec1u ch\u1ec9nh b\u00f9 v\u00f5ng. \u0110\u1eebng \u0111o\u00e1n.<\/p>\n\n\n\n

\u0110i\u1ec1u ch\u1ec9nh<\/strong> b\u00f9 v\u00f5ng c\u01a1 h\u1ecdc ho\u1eb7c th\u1ee7y l\u1ef1c m\u1ed9t c\u00e1ch t\u0103ng d\u1ea7n\u2014v\u1eeba \u0111\u1ee7 \u0111\u1ec3 ch\u1ed1ng l\u1ea1i \u0111\u1ed9 v\u00f5ng d\u1ef1 ki\u1ebfn \u1edf t\u1ea3i tr\u1ecdng \u0111\u00e3 t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n. B\u00f9 v\u00f5ng gi\u00fap t\u1ea1o t\u1ea3i tr\u01b0\u1edbc cho b\u00e0n m\u00e1y h\u01b0\u1edbng l\u00ean tr\u00ean \u0111\u1ec3 khi ch\u1ecbu to\u00e0n b\u1ed9 l\u1ef1c, n\u00f3 s\u1ebd th\u1eb3ng ra.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf \u1edf \u0111\u00e2y l\u00e0: n\u1ebfu kh\u00f4ng c\u00f3 b\u00f9 v\u00f5ng, c\u00e1c xi lanh c\u1ee7a b\u1ea1n \u0111ang cung c\u1ea5p l\u1ef1c b\u1eb1ng nhau, nh\u01b0ng h\u00ecnh h\u1ecdc khung m\u00e1y ph\u00e2n b\u1ed5 \u00e1p su\u1ea5t ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a \u0111\u1ebfn t\u1eebng micron, nh\u01b0ng b\u1ea3n th\u00e2n c\u1ea5u tr\u00fac l\u1ea1i \u0111ang b\u1ecb u\u1ed1n cong. B\u1ea1n \u0111ang ki\u1ec3m so\u00e1t ch\u1ea5t l\u1ecfng m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o b\u00ean trong m\u1ed9t khung m\u00e1y \u0111ang u\u1ed1n cong nh\u01b0 m\u1ed9t c\u00e2y cung.<\/p>\n\n\n\n

C\u00e1c ki\u1ec3m tra ph\u00f2ng ng\u1eeba r\u1ea5t quan tr\u1ecdng \u1edf \u0111\u00e2y. C\u0103n ch\u1ec9nh ram sau m\u1ed7i v\u00e0i tr\u0103m chu k\u1ef3. D\u1ea7u s\u1ea1ch \u0111\u1ec3 c\u00e1c van ph\u1ea3n h\u1ed3i nh\u1ea5t qu\u00e1n. T\u00e1m m\u01b0\u01a1i ph\u1ea7n tr\u0103m c\u00e1c l\u1ed7i van b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 nhi\u1ec5m b\u1ea9n. Ch\u1ec9 c\u1ea7n l\u1ec7ch v\u00e0i ph\u1ea7n ngh\u00ecn inch kh\u1ecfi s\u1ef1 song song, c\u1ea5u h\u00ecnh \u00e1p su\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a b\u1ea1n s\u1ebd t\u1ea1o ra c\u00e1c g\u00f3c kh\u00f4ng nh\u1ea5t qu\u00e1n t\u1eeb b\u00ean n\u00e0y sang b\u00ean kia.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra s\u1ef1 c\u1ed1: Ch\u00fang t\u00f4i \u0111\u00e3 b\u1ecf qua vi\u1ec7c b\u00f9 \u0111\u1ed9 v\u00f5ng (crowning) trong m\u1ed9t \u0111\u1ee3t ch\u1ea1y HSLA d\u00e0i, c\u1ee9 ng\u1ee1 r\u1eb1ng m\u00e1y CNC s\u1ebd \u201cx\u1eed l\u00fd \u0111\u01b0\u1ee3c\u201d. C\u00e1c g\u00f3c \u1edf gi\u1eefa b\u1ecb h\u1edf hai \u0111\u1ed9. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 b\u00f9 \u0111\u1eafp b\u1eb1ng c\u00e1ch t\u0103ng th\u00eam \u0111\u1ed9 s\u00e2u. C\u00e1c \u0111\u1ea7u b\u1ecb u\u1ed1n qu\u00e1 m\u1ee9c, ph\u1ea7n gi\u1eefa v\u1eabn n\u00f4ng, v\u00e0 m\u1ed9t chi ti\u1ebft \u0111\u00e3 b\u1ecb n\u1ee9t d\u1ecdc theo b\u00e1n k\u00ednh trong n\u01a1i \u1ee9ng su\u1ea5t \u0111\u1ea1t \u0111\u1ec9nh.<\/p>\n\n\n\n

\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u1ee7y l\u1ef1c ch\u1ec9 mang l\u1ea1i hi\u1ec7u qu\u1ea3 khi c\u1ea5u tr\u00fac b\u00ean d\u01b0\u1edbi n\u00f3 \u0111\u01b0\u1ee3c tinh ch\u1ec9nh v\u00e0 tr\u00ecnh t\u1ef1 th\u1ef1c hi\u1ec7n qua h\u00e0nh tr\u00ecnh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 th\u1ec3 ra l\u1ec7nh 180 t\u1ea5n. M\u00e1y s\u1ebd cung c\u1ea5p cho b\u1ea1n m\u1ee9c \u0111\u00f3. K\u1ef9 n\u0103ng th\u1ef1c s\u1ef1 n\u1eb1m \u1edf vi\u1ec7c quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn, c\u00e1ch \u0111\u1ec3 \u00e1p su\u1ea5t t\u0103ng l\u00ean nh\u1eb9 nh\u00e0ng, th\u1eddi \u0111i\u1ec3m gi\u1eef \u00e1p v\u00e0 m\u1ee9c \u0111\u1ed9 t\u1ea3i tr\u01b0\u1edbc cho b\u00e0n m\u00e1y \u0111\u1ec3 l\u1ef1c di chuy\u1ec3n nh\u01b0 m\u1ed9t d\u00f2ng s\u00f4ng \u00eam \u0111\u1ec1m thay v\u00ec m\u1ed9t c\u00fa \u0111\u1eadp b\u00faa.<\/p>\n\n\n\n

V\u00e0 n\u1ebfu d\u00f2ng s\u00f4ng \u0111\u00f3 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trong m\u1ed9t ca l\u00e0m vi\u1ec7c d\u00e0i\u2014n\u1ebfu d\u1ea7u lo\u00e3ng ra v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i b\u1ecb l\u1ec7ch\u2014th\u00ec \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra v\u1edbi tr\u00ecnh t\u1ef1 m\u00e0 b\u1ea1n \u0111\u00e3 l\u1eadp tr\u00ecnh c\u1ea9n th\u1eadn?<\/p>\n\n\n\n

\u0110i\u1ec3m m\u00f9 do tr\u00f4i nhi\u1ec7t: N\u01a1i c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c ph\u00e1 ho\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h2>\n\n\n\n

B\u1ea1n \u0111\u00e3 h\u1ecfi \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra khi d\u00f2ng s\u00f4ng l\u1ef1c l\u01b0\u1ee3ng \u1ea5m d\u1ea7n l\u00ean v\u00e0o gi\u1eefa ca l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 nh\u1eefng g\u00ec x\u1ea3y ra: g\u00f3c 90 \u0111\u1ed9 c\u1ee7a b\u1ea1n v\u00e0o bu\u1ed5i s\u00e1ng tr\u1edf th\u00e0nh 92 \u0111\u1ed9 v\u00e0o l\u00fac ba gi\u1edd chi\u1ec1u, v\u00e0 kh\u00f4ng ai \u0111\u1ee5ng v\u00e0o ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3.<\/p>\n\n\n\n

D\u1ea7u th\u1ee7y l\u1ef1c kh\u00f4ng ch\u1ec9 l\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n. N\u00f3 l\u00e0 m\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn gi\u1eefa van servo v\u00e0 180 t\u1ea5n ram c\u1ee7a b\u1ea1n. Khi d\u1ea7u l\u1ea1nh l\u00fac kh\u1edfi \u0111\u1ed9ng, \u0111\u1ed9 nh\u1edbt cao h\u01a1n \u2014 ch\u1ea5t l\u1ecfng \u0111\u1eb7c h\u01a1n, ch\u1ea3y ch\u1eadm h\u01a1n qua c\u00e1c l\u1ed7 van, ph\u1ea3n h\u1ed3i c\u1ee7a xi lanh b\u1ecb ch\u1eadm l\u1ea1i m\u1ed9t ch\u00fat. Khi m\u00e1y ho\u1ea1t \u0111\u1ed9ng theo chu k\u1ef3, d\u1ea7u lo\u00e3ng ra. C\u00f9ng m\u1ed9t l\u1ec7nh van gi\u1edd \u0111\u00e2y di chuy\u1ec3n nhi\u1ec1u ch\u1ea5t l\u1ecfng h\u01a1n, nhanh h\u01a1n. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 t\u0103ng \u00e1p su\u1ea5t \u1edf cu\u1ed1i h\u00e0nh tr\u00ecnh v\u00e0 \u0111\u1ed9 ch\u1eb7t ch\u1ebd c\u1ee7a h\u1ec7 th\u1ed1ng khi gi\u1eef t\u1ea3i tr\u1ecdng trong n\u1eeda gi\u00e2y t\u1ea1m d\u1eebng m\u00e0 b\u1ea1n \u0111\u00e3 l\u1eadp tr\u00ecnh c\u1ea9n th\u1eadn \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u00e0n h\u1ed3i (springback).<\/p>\n\n\n\n

Th\u01b0\u1edbc \u0111o v\u1ecb tr\u00ed c\u00f3 th\u1ec3 v\u1eabn \u0111\u1ecdc l\u00e0 \u00b10,01 mm.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t \u0111\u01b0a b\u1ea1n \u0111\u1ebfn \u0111\u00f3 \u0111\u00e3 thay \u0111\u1ed5i.<\/p>\n\n\n\n

V\u00e0 \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 th\u00e9p c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t l\u1ef1c \u00e9p kh\u00e1c.<\/p>\n\n\n\n

L\u1ea1nh bu\u1ed5i s\u00e1ng so v\u1edbi n\u00f3ng bu\u1ed5i chi\u1ec1u: Nhi\u1ec7t \u0111\u1ed9 d\u1ea7u c\u00f3 th\u1ef1c s\u1ef1 l\u00e0m thay \u0111\u1ed5i g\u00f3c u\u1ed1n c\u1ee7a b\u1ea1n kh\u00f4ng?<\/h3>\n\n\n\n

Nhi\u1ec1u n\u0103m tr\u01b0\u1edbc, ch\u00fang t\u00f4i t\u1eebng s\u1eed d\u1ee5ng m\u00e1y ch\u1ea5n c\u01a1 250 t\u1ea5n, v\u00e0 s\u1ef1 sai l\u1ec7ch \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c li\u00ean k\u1ebft b\u1ecb m\u00f2n. Tr\u00ean m\u00e1y th\u1ee7y l\u1ef1c, sai l\u1ec7ch th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u ng\u00e0y m\u1edbi v\u1edbi d\u1ea7u \u1edf 68 \u0111\u1ed9 F (kho\u1ea3ng 20 \u0111\u1ed9 C). T\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn c\u1ee7a b\u1ea1n s\u1eafc b\u00e9n nh\u01b0ng h\u01a1i gi\u1ea3m ch\u1ea5n; \u00e1p su\u1ea5t t\u0103ng l\u00ean v\u1edbi m\u1ed9t \u0111\u1ed9 d\u1ed1c m\u1ec1m. \u0110\u1ebfn gi\u1eefa bu\u1ed5i chi\u1ec1u, nhi\u1ec7t \u0111\u1ed9 d\u1ea7u t\u0103ng th\u00eam 20 ho\u1eb7c 30 \u0111\u1ed9 do ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c. \u0110\u1ed9 nh\u1edbt gi\u1ea3m. C\u00e1c van servo ph\u1ea3n \u1ee9ng nhanh h\u01a1n. Ram c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ed9 s\u00e2u nh\u01b0 c\u0169, nh\u01b0ng \u00e1p su\u1ea5t t\u0103ng s\u1edbm h\u01a1n trong v\u00e0i milimet cu\u1ed1i c\u1ee7a h\u00e0nh tr\u00ecnh. S\u1ef1 t\u0103ng \u00e1p su\u1ea5t s\u1edbm \u0111\u00f3 l\u00e0m gi\u1ea3m th\u1eddi gian gi\u1eef hi\u1ec7u d\u1ee5ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u1ed5n \u0111\u1ecbnh \u2014 v\u00ec th\u00e9p b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi m\u1ed9t \u0111\u01b0\u1eddng cong d\u1ed1c h\u01a1n.<\/p>\n\n\n\n

V\u00ec v\u1eady, th\u1eddi gian gi\u1eef n\u1eeda gi\u00e2y \u0111\u01b0\u1ee3c tinh ch\u1ec9nh c\u1ea9n th\u1eadn c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n l\u00e0 n\u1eeda gi\u00e2y \u0111\u00f3 n\u1eefa.<\/p>\n\n\n\n

Th\u00eam v\u00e0o \u0111\u00f3: b\u00e0n m\u00e1y n\u00f3ng l\u00ean. T\u1ea5m th\u00e9p d\u00e0y n\u00f3ng l\u00ean. Ngay c\u1ea3 kh\u00f4ng kh\u00ed trong x\u01b0\u1edfng c\u0169ng thay \u0111\u1ed5i gi\u1eefa bu\u1ed5i s\u00e1ng v\u00e0 bu\u1ed5i chi\u1ec1u. Gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a th\u00e9p thay \u0111\u1ed5i nh\u1eb9 theo nhi\u1ec7t \u0111\u1ed9, v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u0169ng theo \u0111\u00f3. B\u00e2y gi\u1edd b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111\u1ed1i ph\u00f3 v\u1edbi d\u1ea7u. B\u1ea1n \u0111ang ch\u1ee9ng ki\u1ebfn m\u1ed9t chu\u1ed7i nhi\u1ec7t to\u00e0n x\u01b0\u1edfng \u0111\u1ea9y g\u00f3c u\u1ed1n c\u1ee7a b\u1ea1n m\u1edf ra ho\u1eb7c \u0111\u00f3ng l\u1ea1i m\u1ed9t ho\u1eb7c hai \u0111\u1ed9.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 h\u00e0nh vi c\u1ee7a ch\u1ea5t l\u1ecfng \u0111ang vi\u1ebft l\u1ea1i tr\u00ecnh t\u1ef1 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra s\u1ef1 c\u1ed1:<\/strong> Ch\u00fang t\u00f4i t\u1eebng b\u1ecf qua vi\u1ec7c nhi\u1ec7t \u0111\u1ed9 d\u1ea7u t\u0103ng trong m\u1ed9t \u0111\u1ee3t ch\u1ea1y AR400 d\u00e0i v\u00e0 li\u00ean t\u1ee5c th\u00eam 0,2 mm \u0111\u1ed9 s\u00e2u \u0111\u1ec3 \u0111u\u1ed5i theo m\u1ed9t g\u00f3c h\u1edf \u0111ang d\u1ea7n l\u1ec7ch. \u0110\u1ebfn gi\u1edd th\u1ee9 s\u00e1u, d\u1ea7u \u0111\u00e3 n\u00f3ng, ph\u1ea3n \u1ee9ng r\u1ea5t nhanh, v\u00e0 m\u1ed9t chu k\u1ef3 \u0111\u00e3 ch\u1ea1m \u0111\u00e1y m\u1ea1nh h\u01a1n d\u1ef1 ki\u1ebfn \u2014 \u00e1p su\u1ea5t t\u0103ng v\u1ecdt s\u1edbm, chi ti\u1ebft b\u1eadt ng\u01b0\u1ee3c l\u1ea1i khi nh\u1ea3 ra, v\u00e0 tay c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u1eabn \u0111ang \u0111\u1eb7t tr\u00ean m\u1eb7t b\u00edch \u0111\u1ec3 ki\u1ec3m tra g\u00f3c.<\/p>\n\n\n\n

V\u1eady b\u1ea1n l\u00e0m g\u00ec?<\/p>\n\n\n\n

H\u00e3y l\u00e0m n\u00f3ng m\u00e1y m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng tr\u01b0\u1edbc khi thi\u1ebft l\u1eadp \u0111\u1ed9 s\u00e2u cu\u1ed1i c\u00f9ng. H\u00e3y theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 d\u1ea7u, kh\u00f4ng ch\u1ec9 g\u00f3c c\u1ee7a chi ti\u1ebft. L\u1eadp tr\u00ecnh c\u00e1c \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 ph\u1ea3n h\u1ed3i thay v\u00ec c\u00e1c \u0111\u1ec9nh nh\u1ecdn nh\u01b0 l\u01b0\u1ee1i dao g\u1ea7n \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi. N\u1ebfu m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, h\u00e3y b\u1ea3o tr\u00ec n\u00f3 \u2014 c\u00e1c b\u1ed9 l\u00e0m m\u00e1t b\u1ecb t\u1eafc s\u1ebd bi\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng ch\u00ednh x\u00e1c th\u00e0nh tr\u00f2 ch\u01a1i \u0111o\u00e1n m\u00f2 v\u00e0o bu\u1ed5i tr\u01b0a.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng ph\u1ea3i \u0111ang chi\u1ebfn \u0111\u1ea5u v\u1edbi th\u00e9p.<\/p>\n\n\n\n

B\u1ea1n \u0111ang qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 c\u1ee7a d\u00f2ng ch\u1ea3y.<\/p>\n\n\n\n

Ngh\u1ecbch l\u00fd gi\u1eefa T\u1ed1c \u0111\u1ed9 v\u00e0 C\u00f4ng su\u1ea5t: Li\u1ec7u th\u1eddi gian chu k\u1ef3 ch\u1eadm h\u01a1n c\u00f3 khi\u1ebfn b\u1ea1n t\u1ed1n k\u00e9m qu\u00e1 nhi\u1ec1u kh\u00f4ng?<\/h3>\n\n\n\n

B\u00e2y gi\u1edd b\u1ea1n s\u1ebd n\u00f3i: \u201c\u0110\u01b0\u1ee3c r\u1ed3i. T\u00f4i s\u1ebd l\u00e0m ch\u1eadm n\u00f3 l\u1ea1i. Gi\u1eef cho n\u00f3 \u1ed5n \u0111\u1ecbnh.\u201d<\/p>\n\n\n\n

B\u1ea3n n\u0103ng t\u1ed1t \u0111\u1ea5y.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn v\u00e0 t\u1ed1c \u0111\u1ed9 \u00e9p ch\u1eadm h\u01a1n t\u1ea1o ra \u00edt nhi\u1ec7t h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1eddi gian. \u00cdt nhi\u1ec7t h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9 nh\u1edbt \u1ed5n \u0111\u1ecbnh h\u01a1n. \u0110\u1ed9 nh\u1edbt \u1ed5n \u0111\u1ecbnh h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c th\u1eddi gian \u0111\u00f3ng m\u1edf van v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng g\u1ea7n v\u1edbi nh\u1eefng g\u00ec b\u1ea1n \u0111\u00e3 l\u1eadp tr\u00ecnh l\u00fac 8 gi\u1edd s\u00e1ng. Nh\u01b0ng chu k\u1ef3 ch\u1eadm h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c c\u00f3 \u00edt s\u1ea3n ph\u1ea9m h\u01a1n m\u1ed7i gi\u1edd. Tr\u00ean gi\u1ea5y t\u1edd, \u0111i\u1ec1u \u0111\u00f3 tr\u00f4ng gi\u1ed1ng nh\u01b0 s\u1ef1 s\u1ee5t gi\u1ea3m n\u0103ng su\u1ea5t.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 c\u00e1c t\u1edd qu\u1ea3ng c\u00e1o th\u01b0\u1eddng b\u1ecf qua: vi\u1ec7c lo\u1ea1i b\u1ecf ba t\u1ea5m th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao v\u00ec c\u00e1c g\u00f3c \u0111\u1ed9 v\u00e0o bu\u1ed5i chi\u1ec1u b\u1ecb l\u1ec7ch s\u1ebd t\u1ed1n k\u00e9m h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c ti\u1ebft ki\u1ec7m hai gi\u00e2y cho m\u1ed7i chu k\u1ef3.<\/p>\n\n\n\n

Nhi\u1ec7t sinh ra t\u1eeb d\u00f2ng ch\u1ea3y v\u00e0 l\u1ef1c c\u1ea3n. D\u00f2ng ch\u1ea3y cao qua c\u00e1c khe h\u1edf van h\u1eb9p s\u1ebd l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9. Vi\u1ec7c v\u1eadn h\u00e0nh nhanh li\u00ean t\u1ee5c s\u1ebd t\u00edch t\u1ee5 nhi\u1ec7t nhanh h\u01a1n m\u1ee9c m\u00e0 b\u00ecnh ch\u1ee9a v\u00e0 b\u1ed9 l\u00e0m m\u00e1t c\u00f3 th\u1ec3 t\u1ea3n ra. Khi b\u1ea1n ch\u1ea1y h\u1ebft c\u00f4ng su\u1ea5t su\u1ed1t c\u1ea3 bu\u1ed5i s\u00e1ng, b\u1ea1n \u0111ang \u0111\u00e1nh \u0111\u1ed5i s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i \u0111\u1ec3 l\u1ea5y l\u01b0u l\u01b0\u1ee3ng ng\u1eafn h\u1ea1n.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n coi t\u1ea5t c\u1ea3 ch\u00fang nh\u01b0 nh\u1eefng chi\u1ebfc b\u00faa \u0111\u1ed9ng n\u0103ng, b\u1ea1n \u0111ang \u0111\u00e1nh c\u01b0\u1ee3c nh\u1eefng t\u1ea5m th\u00e9p \u0111\u1eaft ti\u1ec1n v\u00e0o m\u1ed9t \u0111\u01b0\u1eddng cong l\u1ef1c m\u00e0 b\u1ea1n th\u1eadm ch\u00ed c\u00f2n kh\u00f4ng hi\u1ec3u r\u00f5.<\/p>\n\n\n\n

\u0110\u00f4i khi, b\u01b0\u1edbc \u0111i hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 gi\u1ea3m t\u1ed1c \u0111\u1ed9 ram xu\u1ed1ng 10 ph\u1ea7n tr\u0103m v\u00e0 gi\u1eef cho d\u1ea7u \u1edf ph\u1ea1m vi \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 chi ti\u1ebft \u0111\u1ea7u ti\u00ean v\u00e0 chi ti\u1ebft th\u1ee9 n\u0103m m\u01b0\u01a1i c\u1ee7a b\u1ea1n kh\u1edbp nhau m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u.<\/p>\n\n\n\n

V\u1eady ch\u1eadm h\u01a1n c\u00f3 \u0111ang khi\u1ebfn b\u1ea1n t\u1ed1n k\u00e9m qu\u00e1 nhi\u1ec1u kh\u00f4ng?<\/p>\n\n\n\n

Hay s\u1ef1 tr\u00f4i nhi\u1ec7t \u0111\u00e3 v\u00e0 \u0111ang khi\u1ebfn b\u1ea1n t\u1ed1n k\u00e9m nhi\u1ec1u h\u01a1n th\u1ebf?<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft th\u00fac<\/th>N\u1ed9i dung<\/th><\/tr><\/thead>
Ti\u00eau \u0111\u1ec1<\/td>Ngh\u1ecbch l\u00fd gi\u1eefa T\u1ed1c \u0111\u1ed9 v\u00e0 C\u00f4ng su\u1ea5t: Li\u1ec7u th\u1eddi gian chu k\u1ef3 ch\u1eadm h\u01a1n c\u00f3 khi\u1ebfn b\u1ea1n t\u1ed1n k\u00e9m qu\u00e1 nhi\u1ec1u kh\u00f4ng?<\/td><\/tr>
Ph\u1ea3n \u1ee9ng ban \u0111\u1ea7u<\/td>\u201c\u0110\u01b0\u1ee3c r\u1ed3i. T\u00f4i s\u1ebd l\u00e0m ch\u1eadm n\u00f3 l\u1ea1i. Gi\u1eef cho n\u00f3 \u1ed5n \u0111\u1ecbnh.\u201d<\/td><\/tr>
Th\u00f4ng tin chi ti\u1ebft ngay l\u1eadp t\u1ee9c<\/td>T\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn v\u00e0 t\u1ed1c \u0111\u1ed9 \u00e9p ch\u1eadm h\u01a1n t\u1ea1o ra \u00edt nhi\u1ec7t h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1eddi gian. \u00cdt nhi\u1ec7t h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9 nh\u1edbt \u1ed5n \u0111\u1ecbnh h\u01a1n. \u0110\u1ed9 nh\u1edbt \u1ed5n \u0111\u1ecbnh h\u01a1n gi\u00fap th\u1eddi gian \u0111\u00f3ng m\u1edf van v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1ed1c \u00e1p su\u1ea5t g\u1ea7n v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t \u0111\u00e3 l\u1eadp tr\u00ecnh h\u01a1n.<\/td><\/tr>
Nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u1eadn th\u1ea5y<\/td>Chu k\u1ef3 ch\u1eadm h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u00edt s\u1ea3n ph\u1ea9m h\u01a1n m\u1ed7i gi\u1edd, \u0111i\u1ec1u n\u00e0y xu\u1ea5t hi\u1ec7n nh\u01b0 s\u1ef1 s\u1ee5t gi\u1ea3m n\u0103ng su\u1ea5t tr\u00ean gi\u1ea5y t\u1edd.<\/td><\/tr>
Chi ph\u00ed \u1ea9n<\/td>Vi\u1ec7c lo\u1ea1i b\u1ecf ba t\u1ea5m th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao do l\u1ec7ch g\u00f3c c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m h\u01a1n so v\u1edbi vi\u1ec7c ti\u1ebft ki\u1ec7m hai gi\u00e2y m\u1ed7i chu k\u1ef3.<\/td><\/tr>
Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a nhi\u1ec7t<\/td>Nhi\u1ec7t sinh ra t\u1eeb l\u01b0u l\u01b0\u1ee3ng v\u00e0 l\u1ef1c c\u1ea3n. L\u01b0u l\u01b0\u1ee3ng cao \u0111i qua c\u00e1c khe h\u1edf van h\u1eb9p l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9. Chu k\u1ef3 v\u1eadn h\u00e0nh nhanh t\u00edch t\u1ee5 nhi\u1ec7t nhanh h\u01a1n m\u1ee9c m\u00e0 b\u00ecnh ch\u1ee9a v\u00e0 b\u1ed9 l\u00e0m m\u00e1t c\u00f3 th\u1ec3 t\u1ea3n nhi\u1ec7t.<\/td><\/tr>
R\u1ee7i ro v\u1eadn h\u00e0nh<\/td>V\u1eadn h\u00e0nh \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a su\u1ed1t c\u1ea3 bu\u1ed5i s\u00e1ng l\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa n\u0103ng su\u1ea5t ng\u1eafn h\u1ea1n v\u1edbi s\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/td><\/tr>
Quan ni\u1ec7m sai l\u1ea7m v\u1ec1 c\u01a1 kh\u00ed<\/td>\u0110\u1ed1i x\u1eed v\u1edbi m\u00e1y m\u00f3c nh\u01b0 nh\u1eefng chi\u1ebfc b\u00faa \u0111\u1ed9ng l\u1ef1c s\u1ebd g\u00e2y r\u1ee7i ro l\u00e0m h\u1ecfng t\u1ea5m kim lo\u1ea1i \u0111\u1eaft ti\u1ec1n do kh\u00f4ng hi\u1ec3u r\u00f5 v\u1ec1 \u0111\u01b0\u1eddng cong l\u1ef1c.<\/td><\/tr>
Khuy\u1ebfn ngh\u1ecb th\u1ef1c t\u1ebf<\/td>Gi\u1ea3m t\u1ed1c \u0111\u1ed9 ram xu\u1ed1ng 10% c\u00f3 th\u1ec3 gi\u1eef d\u1ea7u trong ph\u1ea1m vi \u1ed5n \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa chi ti\u1ebft \u0111\u1ea7u ti\u00ean v\u00e0 chi ti\u1ebft th\u1ee9 n\u0103m m\u01b0\u01a1i m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u.<\/td><\/tr>
C\u00e2u h\u1ecfi k\u1ebft th\u00fac<\/td>Li\u1ec7u v\u1eadn h\u00e0nh ch\u1eadm h\u01a1n c\u00f3 th\u1ef1c s\u1ef1 khi\u1ebfn b\u1ea1n t\u1ed1n k\u00e9m h\u01a1n \u2014 hay s\u1ef1 tr\u00f4i nhi\u1ec7t m\u1edbi l\u00e0 th\u1ee9 \u0111ang khi\u1ebfn b\u1ea1n t\u1ed1n k\u00e9m h\u01a1n?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

H\u1ec7 th\u1ed1ng lai (Hybrid): C\u00e1c thi\u1ebft k\u1ebf th\u1ee7y l\u1ef1c-\u0111i\u1ec7n c\u00f3 th\u1ef1c s\u1ef1 mang l\u1ea1i \u01b0u \u0111i\u1ec3m c\u1ee7a c\u1ea3 hai th\u1ebf gi\u1edbi kh\u00f4ng?<\/h3>\n\n\n\n

Phanh servo \u0111i\u1ec7n kh\u00f4ng c\u00f3 d\u1ea7u \u0111\u1ec3 l\u00e0m lo\u00e3ng.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u1ee3i th\u1ebf s\u1ea1ch s\u1ebd c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

C\u00e1c tr\u1ee5c v\u00edt me bi \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ed9ng b\u1edfi \u0111\u1ed9ng c\u01a1 servo kh\u00f4ng \u201cth\u1edf\u201d theo nhi\u1ec7t \u0111\u1ed9 gi\u1ed1ng nh\u01b0 ch\u1ea5t l\u1ecfng. \u0110\u1ed9 l\u1eb7p l\u1ea1i v\u1ecb tr\u00ed c\u00f3 th\u1ec3 ch\u1eb7t ch\u1ebd h\u01a1n v\u00ec kh\u00f4ng c\u00f3 bi\u1ebfn s\u1ed1 \u0111\u1ed9 nh\u1edbt gi\u1eefa l\u1ec7nh v\u00e0 chuy\u1ec3n \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c tr\u00ean v\u1eadt li\u1ec7u m\u1ecfng, \u0111\u00f2i h\u1ecfi dung sai cao, r\u1ea5t kh\u00f3 \u0111\u1ec3 ph\u1ee7 nh\u1eadn s\u1ef1 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u00f3.<\/p>\n\n\n\n

Tuy nhi\u00ean, c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n kh\u00f4ng mang l\u1ea1i kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh v\u1edbi l\u1ef1c \u00e9p gi\u1eefa h\u00e0nh tr\u00ecnh d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng nh\u01b0 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c tinh ch\u1ec9nh t\u1ed1t v\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00f2ng k\u00edn. Khi b\u1ea1n \u0111ang u\u1ed1n t\u1ea5m th\u00e9p d\u00e0y, c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 c\u1ea7n t\u1ea1m d\u1eebng, gi\u1eef v\u00e0 \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c \u00e9p m\u1ed9t c\u00e1ch linh ho\u1ea1t \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i (springback) m\u00e0 kh\u00f4ng g\u00e2y s\u1ed1c cho vai khu\u00f4n, n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u1eabn cung c\u1ea5p cho b\u1ea1n ph\u1ea1m vi ki\u1ec3m so\u00e1t r\u1ed9ng h\u01a1n.<\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng lai c\u1ed1 g\u1eafng dung h\u00f2a s\u1ef1 kh\u00e1c bi\u1ec7t \u2014 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n v\u1edbi kh\u1ea3 n\u0103ng t\u1ea1o l\u1ef1c th\u1ee7y l\u1ef1c. Ch\u00fang gi\u1ea3m b\u1edbt m\u1ed9t ph\u1ea7n nhi\u1ec7t, t\u0103ng c\u01b0\u1eddng ph\u1ea3n h\u1ed3i, nh\u01b0ng ch\u00fang kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ecbnh lu\u1eadt v\u1eadt l\u00fd c\u1ee7a ch\u1ea5t l\u1ecfng. D\u1ea7u v\u1eabn n\u00f3ng l\u00ean. \u0110\u1ed9 nh\u1edbt v\u1eabn thay \u0111\u1ed5i. B\u1ea1n v\u1eabn c\u1ea7n l\u00e0m m\u00e1t v\u00e0 gi\u00e1m s\u00e1t n\u1ebfu b\u1ea1n v\u1eadn h\u00e0nh m\u00e1y c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n\n\n\n

V\u00ec v\u1eady, kh\u00f4ng, kh\u00f4ng c\u00f3 c\u1ed7 m\u00e1y k\u1ef3 di\u1ec7u n\u00e0o gi\u00fap b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i suy ngh\u0129 v\u1ec1 vi\u1ec7c truy\u1ec1n l\u1ef1c.<\/p>\n\n\n\n

Ch\u1ec9 c\u00f3 c\u00e2u h\u1ecfi: c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n \u0111\u00f2i h\u1ecfi m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t n\u00e0o, v\u00e0 b\u1ea1n c\u00f3 \u0111ang qu\u1ea3n l\u00fd c\u00e1c y\u1ebfu t\u1ed1 v\u1eadt l\u00fd \u0111i k\u00e8m v\u1edbi h\u1ec7 th\u1ed1ng m\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ecdn hay kh\u00f4ng?<\/p>\n\n\n\n

B\u1edfi v\u00ec d\u00f9 l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n thu\u1ea7n t\u00fay hay th\u1ee7y l\u1ef1c, b\u1ea1n kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1ec9 b\u1eb1ng c\u00e1ch s\u1edf h\u1eefu th\u01b0\u01a1ng hi\u1ec7u \u0111\u00fang tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

B\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 b\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1ch n\u0103ng l\u01b0\u1ee3ng di chuy\u1ec3n qua m\u00e1y \u2014 v\u00e0 nh\u1eefng g\u00ec thay \u0111\u1ed5i khi n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3 n\u00f3ng l\u00ean.<\/p>\n\n\n\n

M\u1ed9t g\u00f3c nh\u00ecn m\u1edbi cho c\u00e1c quy\u1ebft \u0111\u1ecbnh gia c\u00f4ng th\u00e9p<\/h2>\n\n\n\n

B\u1ea1n mu\u1ed1n m\u1ed9t quy tr\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i gi\u00fap b\u00f9 \u0111\u1eafp cho s\u1ef1 tr\u00f4i nhi\u1ec7t thay v\u00ec ph\u1ea3i \u0111u\u1ed5i theo g\u00f3c u\u1ed1n sau khi n\u00f3 \u0111\u00e3 hi\u1ec3n th\u1ecb tr\u00ean th\u01b0\u1edbc \u0111o.<\/p>\n\n\n\n

T\u1ed1t.<\/p>\n\n\n\n

\u0110\u1eebng suy ngh\u0129 theo ki\u1ec3u \u201cM\u00e1y ch\u1ea5n n\u00e0y c\u00f3 bao nhi\u00eau t\u1ea5n?\u201d m\u00e0 h\u00e3y b\u1eaft \u0111\u1ea7u suy ngh\u0129 theo ki\u1ec3u \u201cT\u00f4i c\u00f3 th\u1ec3 \u0111\u1ecbnh h\u00ecnh v\u00e0 \u1ed5n \u0111\u1ecbnh h\u00e0ng t\u1ea5n th\u00e9p \u0111\u00f3 ch\u00ednh x\u00e1c \u0111\u1ebfn m\u1ee9c n\u00e0o m\u1ed9t khi th\u00e9p b\u1eaft \u0111\u1ea7u ph\u1ea3n l\u1ef1c l\u1ea1i?\u201d B\u1edfi v\u00ec m\u1ed9t khi nhi\u1ec7t \u0111\u1ed9 d\u1ea7u, nhi\u1ec7t \u0111\u1ed9 b\u00e0n m\u00e1y v\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u1eadt li\u1ec7u b\u1eaft \u0111\u1ea7u thay \u0111\u1ed5i, b\u1ea1n kh\u00f4ng c\u00f2n l\u1eadp tr\u00ecnh v\u1ecb tr\u00ed n\u1eefa \u2014 m\u00e0 b\u1ea1n \u0111ang qu\u1ea3n l\u00fd m\u1ed9t h\u1ec7 th\u1ed1ng l\u1ef1c s\u1ed1ng.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i \u0111\u00f3 kh\u00f4ng r\u00f5 r\u00e0ng v\u00ec m\u00e1y v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e2u tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n\n\n\n

Thay v\u00ec h\u1ecfi \u201cM\u00e1y g\u00ec?\u201d, h\u00e3y h\u1ecfi \u201cT\u00f4i c\u1ea7n bao nhi\u00eau quy\u1ec1n ki\u1ec3m so\u00e1t \u0111\u1ed1i v\u1edbi lo\u1ea1i th\u00e9p n\u00e0y?\u201d<\/h3>\n\n\n\n

Khi t\u00f4i nghe m\u1ed9t ng\u01b0\u1eddi mua n\u00f3i, \u201cCh\u00fang t\u00f4i \u0111ang xem x\u00e9t lo\u1ea1i 300 t\u1ea5n,\u201d t\u00f4i bi\u1ebft anh ta v\u1eabn \u0111ang \u0111i mua m\u1ed9t chi\u1ebfc b\u00faa.<\/p>\n\n\n\n

H\u00e3y \u0111\u1eb7t m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c: C\u00f4ng vi\u1ec7c n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea1m vi ki\u1ec3m so\u00e1t l\u00e0 bao nhi\u00eau?<\/em><\/p>\n\n\n\n

Ch\u1ea5n th\u00e9p m\u1ec1m d\u00e0y 1\/8 inch v\u1edbi sai s\u1ed1 \u00b11 \u0111\u1ed9 tr\u00ean khu\u00f4n r\u1ed9ng? B\u1ea1n c\u1ea7n v\u1ecb tr\u00ed \u0111\u00e1y c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u1eef ch\u1eb7n sau \u1edf m\u1ee9c kh\u00e1. \u0110\u01b0\u1eddng cong l\u1ef1c c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n qu\u00e1 tinh vi v\u00e0 b\u1ea1n v\u1eabn s\u1ebd l\u00e0m \u0111\u01b0\u1ee3c. M\u1ed9t m\u00e1y ch\u1ea5n c\u01a1 kh\u00ed v\u1edbi h\u00e0nh tr\u00ecnh c\u1ed1 \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c \u0111\u00f3 c\u1ea3 ng\u00e0y, nhanh ch\u00f3ng v\u00e0 r\u1ebb ti\u1ec1n.<\/p>\n\n\n\n

B\u00e2y gi\u1edd h\u00e3y chuy\u1ec3n sang th\u00e9p HSLA d\u00e0y 3\/4 inch v\u1edbi dung sai ch\u1eb7t ch\u1ebd, ho\u1eb7c th\u00e9p t\u1ea5m AR n\u01a1i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i thay \u0111\u1ed5i theo m\u1ee9c t\u0103ng nhi\u1ec7t \u0111\u1ed9 d\u1ea7u 10 \u0111\u1ed9. \u0110\u1ed9t nhi\u00ean b\u1ea1n c\u1ea7n l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh ti\u1ebfp c\u1eadn, t\u0103ng \u00e1p su\u1ea5t trong 5 mm cu\u1ed1i, d\u1eebng l\u1ea1i d\u01b0\u1edbi t\u1ea3i tr\u1ecdng v\u00e0 tinh ch\u1ec9nh l\u1ef1c ch\u1ea5n tr\u01b0\u1edbc khi nh\u1ea3 \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. \u0110\u00f3 l\u00e0 qu\u1ea3n l\u00fd h\u00e0nh vi ch\u1ea5t l\u1ecfng. N\u1ebfu c\u1ea5u tr\u00fac m\u00e1y c\u1ee7a b\u1ea1n kh\u00f4ng th\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh khi d\u1ea7u lo\u00e3ng ra, th\u00ec \u201c300 t\u1ea5n\u201d c\u1ee7a b\u1ea1n ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 \u0111\u01b0\u1ee3c s\u01a1n b\u00ean h\u00f4ng m\u00e1y.<\/p>\n\n\n\n

C\u1ea3nh b\u00e1o su\u00fdt x\u1ea3y ra s\u1ef1 c\u1ed1: Ch\u00fang t\u00f4i t\u1eebng c\u00f3 m\u1ed9t gi\u00e1m s\u00e1t vi\u00ean m\u1edbi ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i m\u00e1y c\u01a1 kh\u00ed c\u00f4ng su\u1ea5t l\u1edbn cho th\u00e9p t\u1ea5m t\u00f4i c\u1ee9ng d\u00e0y v\u00ec \u201cnhi\u1ec1u t\u1ea5n h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi an to\u00e0n h\u01a1n.\u201d V\u00e0o bu\u1ed5i chi\u1ec1u n\u00f3ng n\u1ef1c \u0111\u1ea7u ti\u00ean v\u1eadn h\u00e0nh, h\u00e0nh tr\u00ecnh c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1t t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a qu\u00e1 nhanh, kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u1eefa h\u00e0nh tr\u00ecnh v\u00e0 m\u1ed9t chi ti\u1ebft \u0111\u00e3 b\u1ecb n\u1ee9t vi m\u00f4 d\u1ecdc theo \u0111\u01b0\u1eddng ch\u1ea5n. N\u00f3 v\u01b0\u1ee3t qua ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng. Nh\u01b0ng n\u00f3 \u0111\u00e3 th\u1ea5t b\u1ea1i khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng. M\u00e1y kh\u00f4ng thi\u1ebfu c\u00f4ng su\u1ea5t \u2014 n\u00f3 thi\u1ebfu kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

V\u00ec v\u1eady, l\u0103ng k\u00ednh \u0111\u1ea7u ti\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 lo\u1ea1i m\u00e1y.<\/p>\n\n\n\n

M\u00e0 l\u00e0 b\u0103ng th\u00f4ng ki\u1ec3m so\u00e1t l\u1ef1c c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

K\u1ebft h\u1ee3p \u0111\u1ed9 d\u00e0y th\u00e9p, dung sai v\u00e0 r\u1ee7i ro v\u1edbi c\u1ea5u tr\u00fac m\u00e1y ch\u1ea5n ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n

H\u00e3y vi\u1ebft c\u00f4ng vi\u1ec7c ra th\u00e0nh ba c\u1ed9t: \u0111\u1ed9 d\u00e0y, dung sai, h\u1eadu qu\u1ea3 c\u1ee7a vi\u1ec7c th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n

\u0110\u1ed9 d\u00e0y cho b\u1ea1n bi\u1ebft l\u1ef1c ch\u1ea5n c\u01a1 s\u1edf. Dung sai cho b\u1ea1n bi\u1ebft ph\u1ea1m vi l\u1ef1c c\u1ee7a b\u1ea1n h\u1eb9p \u0111\u1ebfn m\u1ee9c n\u00e0o. H\u1eadu qu\u1ea3 cho b\u1ea1n bi\u1ebft b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u1ef1 tr\u00f4i nhi\u1ec7t \u0111\u1ebfn m\u1ee9c n\u00e0o tr\u01b0\u1edbc khi ph\u1ebf ph\u1ea9m tr\u1edf th\u00e0nh th\u1ea3m h\u1ecda.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n \u0111ang ch\u1ea1y c\u00e1c lo\u1ea1i gi\u00e1 \u0111\u1ee1 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, h\u1eadu qu\u1ea3 th\u1ea5p v\u1edbi dung sai r\u1ed9ng, t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y c\u01a1 c\u00f3 th\u1ec3 chi\u1ebfm \u01b0u th\u1ebf. Chu k\u1ef3 nhanh h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u00edt v\u1ed1n b\u1ecb \u0111\u1ecdng l\u1ea1i h\u01a1n. B\u1ea1n ch\u1ea5p nh\u1eadn m\u1ed9t \u0111\u01b0\u1eddng cong l\u1ef1c kh\u00f4ng tinh vi v\u00ec th\u00e9p cho ph\u00e9p \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 c\u00e1c t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o th\u01b0\u1eddng b\u1ecf qua: khi dung sai th\u1eaft ch\u1eb7t ho\u1eb7c h\u1eadu qu\u1ea3 t\u0103ng l\u00ean \u2014 c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u, t\u1ea5m ch\u1ed1ng m\u00e0i m\u00f2n, b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec m\u00e0 m\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5n b\u1ecb n\u1ee9t g\u00e2y t\u1ed1n k\u00e9m ti\u1ec1n b\u1ea1c th\u1ef1c s\u1ef1 \u2014 gi\u00e1 tr\u1ecb chuy\u1ec3n t\u1eeb th\u1eddi gian chu k\u1ef3 sang kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t. M\u1ed9t h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c v\u1edbi ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00f2ng l\u1eb7p k\u00edn cho ph\u00e9p b\u1ea1n \u0111\u1ecbnh h\u00ecnh d\u00f2ng ch\u1ea3y: \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 t\u0103ng \u00e1p, gi\u1eef d\u01b0\u1edbi t\u1ea3i tr\u1ecdng, b\u00f9 \u0111\u1eafp cho nhi\u1ec7t \u0111\u1ed9 d\u1ea7u b\u1eb1ng c\u00e1ch s\u1eeda \u0111\u1ed5i c\u00e1c \u0111i\u1ec3m \u0111\u1eb7t \u00e1p su\u1ea5t thay v\u00ec \u0111u\u1ed5i theo \u0111\u1ed9 s\u00e2u.<\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng servo \u0111i\u1ec7n lo\u1ea1i b\u1ecf d\u1ea7u ra kh\u1ecfi ph\u01b0\u01a1ng tr\u00ecnh, gi\u00fap \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u1edf c\u00e1c lo\u1ea1i th\u00e9p m\u1ecfng h\u01a1n. Nh\u01b0ng m\u1ed9t khi b\u1ea1n \u0111\u00e3 l\u00e0m vi\u1ec7c s\u00e2u v\u1edbi th\u00e9p t\u1ea5m c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 c\u1ea7n \u0111\u1ecbnh h\u00ecnh l\u1ef1c ch\u1ea5n gi\u1eefa h\u00e0nh tr\u00ecnh d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng, n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u1eabn mang l\u1ea1i cho b\u1ea1n ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh r\u1ed9ng h\u01a1n \u2014 v\u1edbi \u0111i\u1ec1u ki\u1ec7n b\u1ea1n qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 l\u01b0u l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u0111\u00edch.<\/p>\n\n\n\n

V\u00ec v\u1eady, b\u1ea1n kh\u00f4ng ch\u1ecdn c\u1ea5u tr\u00fac m\u00e1y d\u1ef1a tr\u00ean s\u1ed1 t\u1ea5n.<\/p>\n\n\n\n

B\u1ea1n ch\u1ecdn n\u00f3 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 m\u00e0 th\u00e9p \u0111\u01b0\u1ee3c ph\u00e9p g\u00e2y b\u1ea5t ng\u1edd cho b\u1ea1n.<\/p>\n\n\n\n

X\u00e2y d\u1ef1ng s\u1ef1 t\u1ef1 tin: T\u1eeb ng\u01b0\u1eddi mua b\u1ed1i r\u1ed1i \u0111\u1ebfn ng\u01b0\u1eddi v\u1eadn h\u00e0nh am hi\u1ec3u<\/h3>\n\n\n\n

B\u00e2y gi\u1edd ch\u00fang ta \u0111i \u0111\u1ebfn c\u00e2u h\u1ecfi th\u1ef1c s\u1ef1 c\u1ee7a b\u1ea1n: l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t quy tr\u00ecnh mang t\u00ednh b\u00f9 \u0111\u1eafp thay v\u00ec ph\u1ea3n \u1ee9ng?<\/p>\n\n\n\n

Trang b\u1ecb c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng cho m\u00e1y. Theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 d\u1ea7u m\u1ed7i ca l\u00e0m vi\u1ec7c. Ghi l\u1ea1i g\u00f3c, \u0111\u1ed9 s\u00e2u v\u00e0 \u00e1p su\u1ea5t t\u1ea1i th\u1eddi \u0111i\u1ec3m ph\u00ea duy\u1ec7t s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean. Li\u00ean k\u1ebft ph\u1ea1m vi g\u00f3c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u1edbi m\u1ed9t d\u1ea3i nhi\u1ec7t \u0111\u1ed9. Khi nhi\u1ec7t \u0111\u1ed9 d\u1ea7u n\u1eb1m ngo\u00e0i d\u1ea3i \u0111\u00f3, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u1ed1c \u00e1p su\u1ea5t ho\u1eb7c th\u1eddi gian gi\u1eef tr\u01b0\u1edbc \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ed9 s\u00e2u \u0111\u00e1y. \u0110i\u1ec1u \u0111\u00f3 gi\u00fap \u0111\u01b0\u1eddng cong l\u1ef1c c\u1ee7a b\u1ea1n \u1ed5n \u0111\u1ecbnh thay v\u00ec l\u00fan s\u00e2u h\u01a1n v\u00e0o khu\u00f4n v\u00e0 l\u00e0m thay \u0111\u1ed5i b\u00e1n k\u00ednh u\u1ed1n.<\/p>\n\n\n\n

L\u1eadp tr\u00ecnh c\u00e1c chu k\u1ef3 l\u00e0m n\u00f3ng m\u00e1y c\u00f3 ch\u1ee7 \u0111\u00edch. \u0110\u01b0a h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh tr\u01b0\u1edbc khi kh\u00f3a \u0111\u1ed9 s\u00e2u cu\u1ed1i c\u00f9ng. S\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u, s\u1ea3n xu\u1ea5t l\u00e0 th\u1ee9 hai.<\/p>\n\n\n\n

Ti\u00eau chu\u1ea9n h\u00f3a t\u1ed1c \u0111\u1ed9. Tr\u00e1nh vi\u1ec7c ch\u1ea1y h\u1ebft c\u00f4ng su\u1ea5t v\u00e0o bu\u1ed5i s\u00e1ng v\u00e0 ch\u1ea1y ch\u1eadm ch\u1ea1p v\u00e0o bu\u1ed5i chi\u1ec1u. L\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y t\u1ea1o ra nhi\u1ec7t. Nhi\u1ec7t l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 nh\u1edbt. \u0110\u1ed9 nh\u1edbt l\u00e0m thay \u0111\u1ed5i ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t. B\u1ea1n kh\u00f4ng th\u1ec3 c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng cong l\u1ef1c c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u1edbi \u0111\u1ea7u v\u00e0o nhi\u1ec7t kh\u00e1c nhau m\u1ed7i gi\u1edd.<\/p>\n\n\n\n

\u0110\u00e0o t\u1ea1o ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u01b0 duy theo h\u01b0\u1edbng h\u00e0nh vi \u00e1p su\u1ea5t, kh\u00f4ng ch\u1ec9 l\u00e0 k\u1ebft qu\u1ea3 g\u00f3c u\u1ed1n. Khi g\u00f3c u\u1ed1n b\u1ecb m\u1edf ra, h\u00e3y t\u1ef1 h\u1ecfi: nhi\u1ec7t \u0111\u1ed9 d\u1ea7u c\u00f3 t\u0103ng kh\u00f4ng? Th\u1eddi gian gi\u1eef c\u00f3 th\u1ef1c s\u1ef1 b\u1ecb r\u00fat ng\u1eafn do \u00e1p su\u1ea5t t\u00edch t\u1ee5 s\u1edbm h\u01a1n kh\u00f4ng? T\u01b0 duy \u0111\u00f3 bi\u1ebfn vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1 t\u1eeb ph\u1ecfng \u0111o\u00e1n th\u00e0nh v\u1eadt l\u00fd h\u1ecdc.<\/p>\n\n\n\n

B\u1ea1n c\u1ea7n ghi nh\u1edb m\u1ed9t \u0111i\u1ec1u: h\u00e3y ng\u1eebng h\u1ecfi m\u1ed9t chi\u1ebfc m\u00e1y ch\u1ea5n c\u00f3 bao nhi\u00eau t\u1ea5n v\u00e0 b\u1eaft \u0111\u1ea7u h\u1ecfi b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c bao nhi\u00eau t\u1ea5n \u0111\u00f3 khi th\u00e9p b\u1eaft \u0111\u1ea7u ch\u1ed1ng l\u1ea1i l\u1ef1c \u00e9p.<\/p>\n\n\n\n

B\u1edfi v\u00ec m\u1ed9t khi b\u1ea1n nh\u00ecn nh\u1eadn c\u1ed7 m\u00e1y nh\u01b0 m\u1ed9t d\u00f2ng ch\u1ea3y l\u1ef1c c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t thay v\u00ec m\u1ed9t chi\u1ebfc b\u00faa \u0111\u1ed9ng n\u0103ng, m\u1ecdi quy\u1ebft \u0111\u1ecbnh \u2014 t\u1eeb mua s\u1eafm, l\u1eadp tr\u00ecnh, \u0111\u1ebfn v\u1eadn h\u00e0nh \u2014 \u0111\u1ec1u s\u1ebd thay \u0111\u1ed5i h\u00ecnh th\u00e1i.<\/p>","protected":false},"excerpt":{"rendered":"

T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ed9t t\u1ea5m th\u00e9p AR400 d\u00e0y 1 inch b\u1ecb n\u1ee9t v\u1edbi \u00e2m thanh nh\u01b0 ti\u1ebfng s\u00fang tr\u01b0\u1eddng. Ch\u00fang t\u00f4i \u0111ang s\u1eed d\u1ee5ng m\u00e1y ch\u1ea5n c\u01a1 kh\u00ed 250 t\u1ea5n. B\u00e1nh \u0111\u00e0 \u0111ang quay. Ly h\u1ee3p \u0111\u00e3 \u0111\u00f3ng. \u0110\u1ea7u ch\u1ea5n h\u1ea1 xu\u1ed1ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh x\u1eed l\u00fd n\u00f3 gi\u1ed1ng nh\u01b0 m\u1ecdi l\u1ea7n u\u1ed1n kh\u00e1c m\u00e0 anh ta t\u1eebng th\u1ef1c hi\u1ec7n\u2014thi\u1ebft l\u1eadp c\u1eef ch\u1eb7n sau, nh\u1ea5n b\u00e0n \u0111\u1ea1p, \u0111\u1ec3 m\u00e1y t\u1ef1 l\u00e0m vi\u1ec7c. Ch\u00e0y ch\u1ea5n \u0111\u1eadp m\u1ea1nh, ch\u1ea1m \u0111\u00e1y nhanh, [\u2026]<\/p>","protected":false},"author":3,"featured_media":969,"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-968","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\/968","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=968"}],"version-history":[{"count":2,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/968\/revisions"}],"predecessor-version":[{"id":1077,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/968\/revisions\/1077"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/969"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}