{"id":974,"date":"2026-03-04T01:15:57","date_gmt":"2026-03-04T01:15:57","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=974"},"modified":"2026-03-09T00:53:14","modified_gmt":"2026-03-09T00:53:14","slug":"press-brake-bender","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/press-brake-bender\/","title":{"rendered":"Gi\u1ea3i th\u00edch m\u00e1y ch\u1ea5n bender: Ng\u1eebng \u00e9p t\u1ea5m kim lo\u1ea1i v\u00e0 b\u1eaft \u0111\u1ea7u thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt cho n\u00f3"},"content":{"rendered":"

Anh ta c\u00f3 m\u1ed9t t\u1ea5m nh\u00f4m d\u00e0i b\u1ed1n foot \u0111\u01b0\u1ee3c k\u1eb9p trong \u00ea-t\u00f4 b\u00e0n, hai thanh \u0111\u00f2n b\u1ea9y \u0111\u01b0\u1ee3c lu\u1ed3n v\u00e0o tay c\u1ea7m c\u1ee7a m\u1ed9t \u201cm\u00e1y u\u1ed1n x\u01b0\u1edfng\u201d th\u1ee7 c\u00f4ng. L\u1ea7n k\u00e9o \u0111\u1ea7u ti\u00ean tr\u00f4ng \u1ed5n. L\u1ea7n k\u00e9o th\u1ee9 hai, t\u1ea5m nh\u00f4m b\u1ecb tr\u1ec5 so v\u1edbi k\u1eb9p, cong \u1edf gi\u1eefa, r\u1ed3i b\u1eadt l\u00ean v\u00e0 \u0111\u1eadp v\u00e0o c\u1eb3ng tay anh.<\/p>\n\n\n\n

Anh ngh\u0129 m\u00ecnh c\u1ea7n nhi\u1ec1u l\u1ef1c h\u01a1n.<\/p>\n\n\n\n

\u0110i\u1ec1u anh th\u1ef1c s\u1ef1 c\u1ea7n l\u00e0 v\u1eadt l\u00fd kh\u00e1c.<\/p>\n\n\n\n

Ng\u1ee5y bi\u1ec7n \u201cM\u00e1y u\u1ed1n \u1ed1ng\u201d: T\u1ea1i sao m\u00e1y u\u1ed1n th\u1ee7 c\u00f4ng c\u1ee7a b\u1ea1n \u0111ang ph\u00e1 h\u1ecfng c\u00e1c d\u1ef1 \u00e1n t\u1ea5m kim lo\u1ea1i<\/h2>\n\n\n\n

B\u1ea1n h\u1ecdc tr\u00ean \u1ed1ng tr\u01b0\u1edbc. Ai c\u0169ng v\u1eady. M\u00e1y u\u1ed1n \u1ed1ng k\u1eb9p m\u1ed9t \u0111o\u1ea1n tr\u00f2n, \u0111\u1ee1 n\u00f3 trong khu\u00f4n, v\u00e0 cu\u1ed9n n\u00f3 qua m\u1ed9t b\u00e1n k\u00ednh \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c gi\u1eef c\u1ed1 \u0111\u1ecbnh \u1edf m\u1ecdi ph\u00eda. L\u1ef1c \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 quanh \u0111\u01b0\u1eddng cong.<\/p>\n\n\n\n

T\u1ea5m ph\u1eb3ng th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c \u01b0u \u00e1i nh\u01b0 v\u1eady.<\/p>\n\n\n\n

Khi b\u1ea1n c\u1ed1 u\u1ed1n m\u1ed9t t\u1ea5m r\u1ed9ng 36 inch v\u1edbi c\u00f4ng c\u1ee5 k\u1eb9p-v\u00e0-k\u00e9o, l\u1ef1c truy\u1ec1n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u r\u1ed9ng. C\u00e1c m\u00e9p di chuy\u1ec3n tr\u01b0\u1edbc. Ph\u1ea7n gi\u1eefa b\u1ecb tr\u1ec5. S\u1ef1 tr\u1ec5 \u0111\u00f3 ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn t\u1ea5m nh\u00f4m qu\u1ea5t l\u00ean nh\u01b0 l\u00f2 xo l\u00e1 bung ra tr\u00ean c\u1ea7u tr\u1ee5c xe t\u1ea3i.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> N\u1ebfu v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 xo\u1eafn, n\u00f3 s\u1ebd xo\u1eafn tr\u01b0\u1edbc khi u\u1ed1n.<\/p>\n\n\n\n

Lu\u00f4n th\u1eed \u0111i\u1ec1u n\u00e0y tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

N\u01a1i b\u1eaft \u0111\u1ea7u s\u1ef1 nh\u1ea7m l\u1eabn: T\u1ea1i sao \u1ed1ng v\u00e0 t\u1ea5m ph\u1eb3ng \u0111\u00f2i h\u1ecfi nguy\u00ean l\u00fd v\u1eadt l\u00fd ho\u00e0n to\u00e0n kh\u00e1c nhau<\/h3>\n\n\n\n
\"T\u1ea1i<\/figure>\n\n\n\n

H\u00e3y \u0111\u1eb7t m\u1ed9t \u1ed1ng th\u00e9p \u0111\u01b0\u1eddng k\u00ednh m\u1ed9t inch v\u00e0o m\u00e1y u\u1ed1n \u1ed1ng. Khu\u00f4n \u0111\u01b0\u1ee3c t\u1ea1o kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng. Ti\u1ebfp x\u00fac li\u00ean t\u1ee5c theo v\u00f2ng cung. D\u1ee5ng c\u1ee5 quy\u1ebft \u0111\u1ecbnh h\u00ecnh d\u1ea1ng.<\/p>\n\n\n\n

B\u00e2y gi\u1edd \u0111\u1eb7t m\u1ed9t t\u1ea5m r\u1ed9ng 24 inch d\u01b0\u1edbi thanh k\u1eb9p. B\u1ea1n ch\u1ec9 ti\u1ebfp x\u00fac d\u1ecdc m\u1ed9t \u0111\u01b0\u1eddng m\u1ea3nh. M\u1ecdi ph\u1ea7n n\u1eb1m sau \u0111\u01b0\u1eddng \u0111\u00f3 \u0111\u01b0\u1ee3c t\u1ef1 do u\u1ed1n cong cho \u0111\u1ebfn khi \u1ee9ng su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ea3y. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 u\u1ed1n theo d\u1eabn h\u01b0\u1edbng. \u0110\u00f3 l\u00e0 h\u1ed7n lo\u1ea1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

\u1ed0ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng v\u00ec ti\u1ebft di\u1ec7n k\u00edn c\u1ee7a n\u00f3 ph\u00e2n t\u00e1n \u1ee9ng su\u1ea5t quanh chu vi. T\u1ea5m ph\u1eb3ng th\u00ec kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac ch\u1ecbu l\u1ef1c \u0111\u00f3; \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o chi\u1ec1u r\u1ed9ng v\u00e0 \u0111\u1ed9 d\u00e0y, v\u00e0 tr\u00ean c\u00e1c kho\u1ea3ng r\u1ed9ng n\u00f3 h\u00e0nh x\u1eed nh\u01b0 v\u00e1n nh\u1ea3y.<\/p>\n\n\n\n

H\u00ecnh h\u1ecdc kh\u00e1c nhau. \u0110\u01b0\u1eddng truy\u1ec1n l\u1ef1c kh\u00e1c nhau.<\/p>\n\n\n\n

\u0110\u1ed1i x\u1eed v\u1edbi t\u1ea5m ph\u1eb3ng nh\u01b0 \u1ed1ng gi\u1ed1ng nh\u01b0 d\u00f9ng d\u1ee5ng c\u1ee5 nong \u1ed1ng p\u00f4 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea3i tr\u01b0\u1edbc c\u1ee7a \u1ed5 bi b\u00e1nh xe \u2014 ti\u1ebfp x\u00fac sai, k\u1ebft qu\u1ea3 sai.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> H\u00e3y kh\u1edbp h\u00ecnh d\u1ea1ng d\u1ee5ng c\u1ee5 v\u1edbi ti\u1ebft di\u1ec7n v\u1eadt li\u1ec7u, \u0111\u1eebng theo th\u00f3i quen c\u01a1 b\u1eafp.<\/p>\n\n\n\n

Lu\u00f4n th\u1eed \u0111i\u1ec1u n\u00e0y tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

Gi\u1edbi h\u1ea1n c\u1ee7a s\u1ee9c m\u1ea1nh c\u01a1 b\u1eafp: T\u1ea1i sao k\u1eb9p v\u00e0 \u00ea-t\u00f4 ti\u00eau chu\u1ea9n th\u1ea5t b\u1ea1i v\u1edbi c\u00e1c t\u1ea5m r\u1ed9ng<\/h3>\n\n\n\n
\"T\u1ea1i<\/figure>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t t\u1ea5m d\u00e0i ba foot nh\u00f4 ra kh\u1ecfi \u00ea-t\u00f4. B\u1ea1n \u1ea5n xu\u1ed1ng \u0111\u1ec3 \u0111\u1ea1t g\u00f3c 90 \u0111\u1ed9. \u0110o\u1ea1n g\u1ea7n h\u00e0m k\u1eb9p \u0111\u1ea1t g\u00f3c tr\u01b0\u1edbc. C\u00e1ch s\u00e1u inch, n\u00f3 m\u1edbi \u1edf 80 \u0111\u1ed9. Ph\u1ea7n gi\u1eefa c\u00f3 th\u1ec3 v\u1eabn \u1edf 70 \u0111\u1ed9. N\u00ean b\u1ea1n k\u00e9o m\u1ea1nh h\u01a1n.<\/p>\n\n\n\n

L\u1ef1c b\u1ed5 sung \u0111\u00f3 kh\u00f4ng t\u1ef1 nhi\u00ean l\u00e0m \u0111\u1ec1u g\u00f3c u\u1ed1n. N\u00f3 ch\u1ec9 u\u1ed1n qu\u00e1 m\u1ee9c \u0111o\u1ea1n g\u1ea7n k\u1eb9p trong khi ph\u1ea7n c\u00f2n l\u1ea1i b\u1eaft k\u1ecbp mu\u1ed9n. Khi \u0111i\u1ec1u \u0111\u00f3 x\u1ea3y ra, n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng c\u00f9ng l\u00fac. \u0110\u00f3 ch\u00ednh l\u00e0 \u201cu\u1ed1n ng\u01b0\u1ee3c\u201d m\u00e0 b\u1ea1n c\u1ea3m nh\u1eadn khi t\u1ea5m b\u1eadt l\u00ean.<\/p>\n\n\n\n

D\u00f9ng s\u1ee9c m\u1ea1nh th\u00f4 b\u1ea1o t\u0103ng t\u1ea3i tr\u1ecdng m\u00e0 kh\u00f4ng t\u0103ng kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t. M\u00e1y ch\u1ea5n t\u00f4n ph\u00e2n b\u1ed5 l\u1ef1c th\u00f4ng qua m\u1ed9t m\u0169i ch\u1ea5n v\u00e0o khu\u00f4n ch\u1eef V d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng x\u00e1c \u0111\u1ecbnh, ki\u1ec3m so\u00e1t c\u00e1ch t\u1ea5m kim lo\u1ea1i bi\u1ebfn d\u1ea1ng tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u r\u1ed9ng c\u1ee7a n\u00f3. \u00ca-t\u00f4 v\u00e0 thanh n\u1ed1i d\u00e0i kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh s\u1ef1 ph\u00e2n b\u1ed5 \u0111\u00f3; ch\u00fang ch\u1ec9 khu\u1ebfch \u0111\u1ea1i s\u1ee9c b\u1ea1n m\u00e0 th\u00f4i.<\/p>\n\n\n\n

N\u00f3 gi\u1ed1ng nh\u01b0 b\u1ea1n \u0111\u1ea1p m\u1ea1nh h\u01a1n l\u00ean b\u00e0n \u0111\u1ea1p phanh c\u1ee7a xe t\u1ea3i khi c\u00e1c c\u00f9m phanh b\u1ecb l\u1ec7ch\u2014b\u1ea1n \u0111ang t\u0103ng \u00e1p l\u1ef1c, kh\u00f4ng ph\u1ea3i \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> N\u1ebfu \u0111i\u1ec1u ch\u1ec9nh duy nh\u1ea5t c\u1ee7a b\u1ea1n l\u00e0 \u201ck\u00e9o m\u1ea1nh h\u01a1n,\u201d b\u1ea1n \u0111\u00e3 m\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh r\u1ed3i.<\/p>\n\n\n\n

Lu\u00f4n th\u1eed \u0111i\u1ec1u n\u00e0y tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i t\u01b0 duy: T\u1eeb \u201cg\u1eadp kim lo\u1ea1i\u201d sang \u201cki\u1ec3m so\u00e1t l\u1ef1c v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c\u201d<\/h3>\n\n\n\n

Ng\u1eebng n\u00f3i \u201cg\u1eadp.\u201d T\u1eeb \u0111\u00f3 \u0111\u00e1nh l\u1eeba b\u1ea1n.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng \u0111ang g\u1eadp qu\u1ea7n \u00e1o. B\u1ea1n \u0111ang \u0111\u01b0a m\u1ed9t m\u0169i ch\u1ea5n v\u00e0o khu\u00f4n, \u00e9p v\u1eadt li\u1ec7u v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a n\u00f3 theo m\u1ed9t tr\u1ee5c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, c\u00f3 t\u00ednh \u0111\u1ebfn \u0111\u1ed9 h\u1ed3i \u0111\u00e0n h\u1ed3i\u2014khuynh h\u01b0\u1edbng kim lo\u1ea1i tr\u1edf l\u1ea1i sau khi l\u1ef1c b\u1ecb lo\u1ea1i b\u1ecf. S\u1ef1 h\u1ed3i n\u00e0y \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng, d\u1ef1 \u0111o\u00e1n v\u00e0 b\u00f9 tr\u1eeb b\u1eb1ng t\u00ednh to\u00e1n.<\/p>\n\n\n\n

Khi c\u00e1c x\u01b0\u1edfng theo \u0111u\u1ed5i \u0111\u1ed9 ch\u00ednh x\u00e1c\u2014tab kh\u1edbp v\u1eeba kh\u00edt, c\u00e1c t\u1ea5m l\u1ed3ng nhau, c\u00e1c chi ti\u1ebft l\u1eafp r\u00e1p m\u00e0 kh\u00f4ng c\u1ea7n \u0111inh t\u00e1n\u2014h\u1ecd kh\u00f4ng d\u00f9ng s\u1ee9c \u0111\u1ec3 \u00e9p u\u1ed1n kim lo\u1ea1i v\u00e0o v\u1ecb tr\u00ed. H\u1ecd \u0111ang thi\u1ebft k\u1ebf h\u00ecnh h\u1ecdc sao cho m\u1ed7i l\u1ea7n u\u1ed1n n\u1eb1m trong sai s\u1ed1 h\u00e0ng ph\u1ea7n ngh\u00ecn. \u0110i\u1ec1u \u0111\u00f3 ch\u1ec9 x\u1ea3y ra khi l\u1ef1c \u0111\u01b0\u1ee3c truy\u1ec1n qua b\u1ed9 khu\u00f4n t\u01b0\u01a1ng \u1ee9ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i qua c\u00e1nh tay v\u00e0 s\u1ef1 c\u1ea7u may.<\/p>\n\n\n\n

S\u1ef1 chuy\u1ec3n \u0111\u1ed5i nh\u1eadn th\u1ee9c l\u00e0 th\u1ebf n\u00e0y: s\u1ee9c m\u1ea1nh kh\u00f4ng t\u1ea1o ra \u0111\u1ed9 ch\u00ednh x\u00e1c. H\u00ecnh h\u1ecdc m\u1edbi t\u1ea1o ra \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

V\u00e0 khi b\u1ea1n nh\u1eadn ra \u0111i\u1ec1u \u0111\u00f3, c\u00e2u h\u1ecfi th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 k\u00e9o m\u1ea1nh \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n

M\u00e0 l\u00e0 m\u0169i ch\u1ea5n v\u00e0 khu\u00f4n th\u1ef1c s\u1ef1 ki\u1ec3m so\u00e1t l\u1ef1c \u0111\u00f3 nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf c\u1ed1t l\u00f5i: Thay \u0111\u1ed5i t\u1eeb s\u1ee9c m\u1ea1nh th\u00f4 sang h\u00ecnh h\u1ecdc m\u0169i ch\u1ea5n\u2013khu\u00f4n<\/h2>\n\n\n\n

T\u00f4i \u0111\u1eb7t m\u1ed9t d\u1ea3i th\u00e9p m\u1ec1m d\u00e0y 1\/8 inch v\u00e0o khu\u00f4n ch\u1eef V m\u1edf 1 inch v\u00e0 h\u1ea1 m\u0169i ch\u1ea5n b\u00e1n k\u00ednh 0,060 inch xu\u1ed1ng cho \u0111\u1ebfn khi th\u01b0\u1edbc \u0111o \u0111\u1ed9 s\u00e2u hi\u1ec3n th\u1ecb 0,500 inch. G\u00f3c u\u1ed1n ra kh\u1ecfi khu\u00f4n l\u00e0 90 \u0111\u1ed9. T\u00f4i kh\u00f4ng ch\u1ea1m v\u00e0o c\u00e0i \u0111\u1eb7t \u00e1p l\u1ef1c. T\u00f4i ch\u1ec9 ho\u00e1n \u0111\u1ed5i khu\u00f4n d\u01b0\u1edbi sang lo\u1ea1i m\u1edf 1,5 inch v\u00e0 ch\u1ea5n c\u00f9ng \u0111\u1ed9 s\u00e2u.<\/p>\n\n\n\n

G\u00f3c m\u1edf ra kho\u1ea3ng 94 \u0111\u1ed9.<\/p>\n\n\n\n

C\u00f9ng v\u1eadt li\u1ec7u. C\u00f9ng m\u0169i ch\u1ea5n. C\u00f9ng m\u00e1y. H\u00ecnh h\u1ecdc kh\u00e1c nhau, k\u1ebft qu\u1ea3 kh\u00e1c nhau. V\u1eady n\u1ebfu n\u00f3 kh\u00f4ng ph\u1ea3i \u0111ang \u00e9p kim lo\u1ea1i nh\u01b0 m\u1ed9t \u00ea-t\u00f4, th\u00ec n\u00f3 th\u1ef1c s\u1ef1 \u0111ang l\u00e0m g\u00ec?<\/p>\n\n\n\n

N\u1ebfu n\u00f3 kh\u00f4ng ph\u1ea3i \u0111ang \u00e9p kim lo\u1ea1i nh\u01b0 m\u1ed9t \u00ea-t\u00f4, th\u00ec n\u00f3 th\u1ef1c s\u1ef1 \u0111ang l\u00e0m g\u00ec?<\/h3>\n\n\n\n
\"N\u1ebfu<\/figure>\n\n\n\n

H\u00e3y quan s\u00e1t c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

Trong m\u00e1y ch\u1ea5n t\u00f4n, \u0111\u1ea7u m\u0169i ch\u1ea5n ch\u1ea1m v\u00e0o t\u1ea5m kim lo\u1ea1i theo m\u1ed9t \u0111\u01b0\u1eddng h\u1eb9p. T\u1ea5m kim lo\u1ea1i, khi u\u1ed1n trong kh\u00f4ng kh\u00ed, n\u1eb1m tr\u00ean hai vai c\u1ee7a khu\u00f4n ch\u1eef V. \u0110i\u1ec1u \u0111\u00f3 t\u1ea1o ra ba \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac\u2014m\u1ed9t \u1edf tr\u00ean, hai \u1edf d\u01b0\u1edbi. Ph\u1ea7n kim lo\u1ea1i gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng \u0111\u00f3 kh\u00f4ng b\u1ecb k\u1eb9p ph\u1eb3ng; n\u00f3 \u0111\u01b0\u1ee3c treo v\u00e0 bu\u1ed9c ph\u1ea3i u\u1ed1n th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng cong khi m\u0169i ch\u1ea5n \u0111i xu\u1ed1ng.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 n\u00e9n nh\u01b0 h\u00e0m \u00ea-t\u00f4. \u0110\u00f3 l\u00e0 u\u1ed1n ba \u0111i\u1ec3m c\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

\u1ee8ng su\u1ea5t t\u1eadp trung ngay d\u01b0\u1edbi \u0111\u1ea7u m\u0169i ch\u1ea5n. Khi m\u0169i ch\u1ea5n h\u1ea1 xu\u1ed1ng, c\u00e1c s\u1ee3i b\u00ean ngo\u00e0i c\u1ee7a t\u1ea5m kim lo\u1ea1i b\u1ecb k\u00e9o gi\u00e3n (\u1ee9ng su\u1ea5t k\u00e9o), c\u00e1c s\u1ee3i b\u00ean trong b\u1ecb n\u00e9n, v\u00e0 \u0111\u00e2u \u0111\u00f3 gi\u1eefa hai l\u1edbp \u0111\u00f3 l\u00e0 tr\u1ee5c trung t\u00ednh\u2014l\u1edbp kh\u00f4ng thay \u0111\u1ed5i chi\u1ec1u d\u00e0i. \u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u b\u1ecf qua: tr\u1ee5c trung t\u00ednh d\u1ecbch chuy\u1ec3n t\u00f9y theo \u0111\u1ed9 d\u00e0y, h\u01b0\u1edbng h\u1ea1t v\u00e0 b\u00e1n k\u00ednh u\u1ed1n. N\u00f3 kh\u00f4ng n\u1eb1m c\u1ed1 \u0111\u1ecbnh \u1edf gi\u1eefa nh\u01b0 m\u1ed9t v\u1ea1ch s\u01a1n.<\/p>\n\n\n\n

S\u1ef1 d\u1ecbch chuy\u1ec3n \u0111\u00f3 l\u00e0 l\u00fd do v\u00ec sao hai l\u1ea7n k\u00e9o tr\u00f4ng y h\u1ec7t c\u00f3 th\u1ec3 l\u1ec7ch nhau t\u1eeb 2\u20135 \u0111\u1ed9 khi u\u1ed1n trong kh\u00f4ng kh\u00ed n\u1ebfu b\u1ea1n kh\u00f4ng t\u00ednh \u0111\u1ebfn h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 h\u1ec7 th\u1ed1ng phanh c\u1ee7a m\u1ed9t xe t\u1ea3i n\u1eb7ng. B\u00e0n \u0111\u1ea1p kh\u00f4ng d\u1eebng chi\u1ebfc xe t\u1ea3i. H\u00ecnh h\u1ecdc c\u1ee7a m\u00e1 phanh k\u1eb9p v\u00e0o \u0111\u0129a phanh t\u1ea1i c\u00e1c v\u1ecb tr\u00ed ch\u00ednh x\u00e1c, bi\u1ebfn l\u1ef1c th\u00e0nh ma s\u00e1t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. H\u00ecnh d\u1ea1ng v\u00e0 v\u1ecb tr\u00ed c\u1ee7a m\u00e1 phanh quy\u1ebft \u0111\u1ecbnh c\u00e1ch l\u1ef1c \u0111\u01b0\u1ee3c truy\u1ec1n. \u00dd t\u01b0\u1edfng \u1edf \u0111\u00e2y c\u0169ng v\u1eady\u2014l\u1ef1c ch\u1ec9 c\u00f3 \u00fd ngh\u0129a v\u00ec h\u00ecnh h\u1ecdc \u0111\u1ecbnh h\u01b0\u1edbng n\u00f3.<\/p>\n\n\n\n

V\u1eady n\u00ean kh\u00f4ng, b\u1ea1n kh\u00f4ng g\u1ea5p. B\u1ea1n \u0111ang \u0111\u1ea9y v\u1eadt li\u1ec7u v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ea3y\u2014bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n\u2014theo m\u1ed9t cung \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi b\u00e1n k\u00ednh ch\u00e0y v\u00e0 chi\u1ec1u r\u1ed9ng khu\u00f4n.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ec9 ra ch\u00ednh x\u00e1c c\u00e1c \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac t\u1ea1o h\u00ecnh kim lo\u1ea1i, ngh\u0129a l\u00e0 b\u1ea1n ch\u01b0a hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1ch u\u1ed1n. Lu\u00f4n th\u1eed nghi\u1ec7m \u0111i\u1ec1u n\u00e0y tr\u00ean v\u1eadt li\u1ec7u th\u1eeba tr\u01b0\u1edbc.<\/p>\n\n\n\n

Nh\u01b0ng khi b\u1ea1n nh\u1eadn ra r\u1eb1ng \u0111\u00f3 l\u00e0 u\u1ed1n ba \u0111i\u1ec3m, c\u00e2u h\u1ecfi ti\u1ebfp theo s\u1ebd \u0111\u1ebfn nhanh: b\u1ea1n n\u00ean \u0111\u1ec3 t\u1ea5m kim lo\u1ea1i \u201cn\u1ed5i\u201d gi\u1eefa c\u00e1c \u0111i\u1ec3m \u0111\u00f3 \u2013 hay \u00e9p h\u1eb3n n\u00f3 v\u00e0o khu\u00f4n?<\/p>\n\n\n\n

U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed hay \u00e9p \u0111\u00e1y: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o cho ng\u01b0\u1eddi m\u1edbi nhi\u1ec1u kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t h\u01a1n?<\/h3>\n\n\n\n

L\u1ea5y th\u00e9p m\u1ec1m d\u00e0y 14-gauge l\u00e0m v\u00ed d\u1ee5. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed c\u00f9ng t\u1ef7 l\u1ec7 V-khu\u00f4n ti\u00eau chu\u1ea9n 8\u00d7 \u0111\u1ed9 d\u00e0y (kho\u1ea3ng 1 inch V cho v\u1eadt li\u1ec7u d\u00e0y 0,075 inch), b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n kho\u1ea3ng 15\u201320 t\u1ea5n tr\u00ean m\u1ed7i foot \u0111\u1ec3 \u0111\u1ea1t g\u00f3c 90 \u0111\u1ed9. Chuy\u1ec3n sang \u00e9p \u0111\u00e1y\u2014khi ch\u00e0y \u00e9p v\u1eadt li\u1ec7u ho\u00e0n to\u00e0n v\u00e0o khoang h\u00ecnh ch\u1eef V\u2014th\u00ec t\u1ea3i tr\u1ecdng n\u00e0y c\u00f3 th\u1ec3 t\u0103ng l\u00ean 60\u2013100 t\u1ea5n tr\u00ean m\u1ed7i foot.<\/p>\n\n\n\n

T\u0103ng g\u1ea5p b\u1ed1n \u0111\u1ebfn t\u00e1m l\u1ea7n t\u1ea3i.<\/p>\n\n\n\n

V\u00ec sao? V\u00ec \u00e9p \u0111\u00e1y kh\u00f4ng ch\u1ec9 l\u00e0m ch\u1ea3y c\u00e1c s\u1ee3i b\u00ean ngo\u00e0i. N\u00f3 bi\u1ebfn d\u1ea1ng d\u1ebbo g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 v\u00f9ng u\u1ed1n \u0111\u1ec3 kh\u1edbp v\u1edbi g\u00f3c c\u1ee7a khu\u00f4n. B\u1ea1n kh\u00f4ng c\u00f2n t\u1ea1o g\u00f3c b\u1eb1ng ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u; b\u1ea1n \u0111ang in h\u00ecnh h\u1ecdc c\u1ee7a khu\u00f4n v\u00e0o t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

\u00c9p \u0111\u00e1y th\u01b0\u1eddng gi\u1eef \u00b10,5 \u0111\u1ed9. U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed th\u01b0\u1eddng \u1edf kho\u1ea3ng \u00b12 \u0111\u1ed9 tr\u1eeb khi b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh b\u00f9. Nghe c\u00f3 v\u1ebb \u00e9p \u0111\u00e1y l\u00e0 b\u1ea1n \u0111\u1ed3ng h\u00e0nh c\u1ee7a ng\u01b0\u1eddi m\u1edbi.<\/p>\n\n\n\n

Cho \u0111\u1ebfn khi b\u1ea1n l\u00e0m n\u1ee9t t\u1ea5m nh\u00f4m d\u00e0y 0,040 inch v\u00ec v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n gi\u00e3n d\u00e0i c\u1ee7a n\u00f3.<\/p>\n\n\n\n

\u00c9p \u0111\u00e1y cho \u0111\u1ed9 ch\u00ednh x\u00e1c g\u00f3c ch\u1eb7t h\u01a1n, nh\u01b0ng n\u00f3 lo\u1ea1i b\u1ecf s\u1ef1 khoan dung. B\u1ea5t k\u1ef3 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y, kh\u00e1c bi\u1ec7t h\u01b0\u1edbng h\u1ea1t, hay t\u0103ng \u0111\u1ed9t ng\u1ed9t t\u1ea3i \u0111\u1ec1u b\u1ecb nh\u00e2n l\u00ean b\u1edfi t\u1ea3i l\u1edbn h\u01a1n \u0111\u00f3. T\u1ea5m m\u1ecfng v\u00e0 h\u1ee3p kim m\u1ec1m kh\u00f4ng th\u01b0\u01a1ng l\u01b0\u1ee3ng; ch\u00fang s\u1ebd r\u00e1ch.<\/p>\n\n\n\n

U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed, ng\u01b0\u1ee3c l\u1ea1i, t\u1ea1o g\u00f3c b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u ch\u00e0y so v\u1edbi chi\u1ec1u r\u1ed9ng khu\u00f4n. T\u1ea5m kim lo\u1ea1i ch\u1ec9 ti\u1ebfp x\u00fac t\u1ea1i ba \u0111i\u1ec3m. T\u1ea3i \u00edt h\u01a1n. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng nhi\u1ec1u h\u01a1n. Nh\u01b0ng g\u00f3c b\u00e2y gi\u1edd ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c khi ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u.<\/p>\n\n\n\n

V\u1edbi ng\u01b0\u1eddi m\u1edbi, u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed d\u1ea1y b\u1ea1n ki\u1ec3m so\u00e1t. \u00c9p \u0111\u00e1y tr\u1eebng ph\u1ea1t s\u1ef1 \u0111o\u00e1n m\u00f2.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u00e1p l\u1ef1c phanh khi xu\u1ed1ng d\u1ed1c so v\u1edbi \u0111\u1ea1p m\u1ea1nh b\u00e0n \u0111\u1ea1p v\u00e0 tin v\u00e0o ABS \u0111\u1ec3 c\u1ee9u b\u1ea1n. M\u1ed9t c\u00e1ch gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng c\u1ea3m gi\u00e1c. C\u00e1ch kia gi\u1ea3 \u0111\u1ecbnh s\u1ef1 ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> H\u00e3y h\u1ecdc u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed tr\u01b0\u1edbc; n\u00f3 bu\u1ed9c b\u1ea1n ph\u1ea3i hi\u1ec3u \u0111\u1ed9 s\u00e2u, chi\u1ec1u r\u1ed9ng khu\u00f4n v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u thay v\u00ec \u1ea9n m\u00ecnh sau t\u1ea3i tr\u1ecdng brute force. Lu\u00f4n th\u1eed nghi\u1ec7m \u0111i\u1ec1u n\u00e0y tr\u00ean v\u1eadt li\u1ec7u th\u1eeba tr\u01b0\u1edbc.<\/p>\n\n\n\n

Nh\u01b0ng u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed m\u1edf ra m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c b\u1ea1n kh\u00f4ng th\u1ec3 b\u1ecf qua: t\u1ea1i sao ch\u1ec9 c\u1ea7n m\u1edf r\u1ed9ng V-khu\u00f4n l\u1ea1i thay \u0111\u1ed5i g\u00f3c th\u00e0nh ph\u1ea9m ngay c\u1ea3 khi \u0111\u1ed9 s\u00e2u ch\u00e0y g\u1ea7n nh\u01b0 kh\u00f4ng \u0111\u1ed5i?<\/p>\n\n\n\n

Ch\u1ee7 \u0111\u1ec1<\/th>Chi ti\u1ebft<\/th><\/tr><\/thead>
C\u00e2u h\u1ecfi<\/td>U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed hay \u00e9p \u0111\u00e1y: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o cho ng\u01b0\u1eddi m\u1edbi nhi\u1ec1u kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t h\u01a1n?<\/strong><\/td><\/tr>
V\u00ed d\u1ee5 v\u1eadt li\u1ec7u<\/td>Th\u00e9p m\u1ec1m d\u00e0y 14-gauge (d\u00e0y 0,075 inch)<\/td><\/tr>
Thi\u1ebft l\u1eadp u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y (Air Bending Setup)<\/td>T\u1ef7 l\u1ec7 V-khu\u00f4n ti\u00eau chu\u1ea9n 8\u00d7 \u0111\u1ed9 d\u00e0y (\u2248 V-khu\u00f4n 1 inch)<\/td><\/tr>
L\u1ef1c u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed<\/td>~15\u201320 t\u1ea5n tr\u00ean m\u1ed7i foot \u0111\u1ec3 \u0111\u1ea1t 90\u00b0<\/td><\/tr>
L\u1ef1c u\u1ed1n ch\u1ea1m \u0111\u00e1y<\/td>~60\u2013100 t\u1ea5n tr\u00ean m\u1ed7i foot<\/td><\/tr>
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ea3i<\/td>U\u1ed1n ch\u1ea1m \u0111\u00e1y c\u1ea7n t\u1ea3i l\u1edbn h\u01a1n 4\u20138 l\u1ea7n<\/td><\/tr>
L\u00fd do t\u1ea3i cao h\u01a1n<\/td>U\u1ed1n ch\u1ea1m \u0111\u00e1y g\u00e2y bi\u1ebfn d\u1ea1ng d\u1ebbo g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 v\u00f9ng u\u1ed1n \u0111\u1ec3 kh\u1edbp v\u1edbi g\u00f3c khu\u00f4n<\/td><\/tr>
C\u01a1 ch\u1ebf t\u1ea1o h\u00ecnh<\/td>U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed: g\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o b\u1eb1ng c\u00e1ch \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 s\u00e2u; U\u1ed1n ch\u1ea1m \u0111\u00e1y: h\u00ecnh d\u1ea1ng khu\u00f4n \u0111\u01b0\u1ee3c in l\u00ean t\u1ea5m kim lo\u1ea1i<\/td><\/tr>
\u0110\u1ed9 ch\u00ednh x\u00e1c g\u00f3c<\/td>U\u1ed1n ch\u1ea1m \u0111\u00e1y: \u00b10,5\u00b0; U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed: th\u01b0\u1eddng \u00b12\u00b0 n\u1ebfu kh\u00f4ng c\u00f3 b\u00f9 tr\u1eeb<\/td><\/tr>
R\u1ee7i ro khi u\u1ed1n ch\u1ea1m \u0111\u00e1y<\/td>T\u1ea3i cao l\u00e0m gia t\u0103ng bi\u1ebfn thi\u00ean \u0111\u1ed9 d\u00e0y, kh\u00e1c bi\u1ec7t h\u01b0\u1edbng h\u1ea1t, v\u00e0 \u0111\u1ed9t bi\u1ebfn l\u1ef1c u\u1ed1n<\/td><\/tr>
\u0110\u1ed9 nh\u1ea1y v\u1eadt li\u1ec7u<\/td>T\u1ea5m m\u1ecfng v\u00e0 h\u1ee3p kim m\u1ec1m (v\u00ed d\u1ee5, nh\u00f4m d\u00e0y 0,040 inch) c\u00f3 th\u1ec3 n\u1ee9t n\u1ebfu v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n gi\u00e3n d\u00e0i<\/td><\/tr>
\u0110\u1ed9 dung sai<\/td>U\u1ed1n ch\u1ea1m \u0111\u00e1y: \u0111\u1ed9 dung sai th\u1ea5p; U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed: th\u00edch \u1ee9ng t\u1ed1t h\u01a1n<\/td><\/tr>
\u0110i\u1ec3m ti\u1ebfp x\u00fac v\u1edbi t\u1ea5m<\/td>U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed ti\u1ebfp x\u00fac v\u1edbi t\u1ea5m t\u1ea1i ba \u0111i\u1ec3m<\/td><\/tr>
C\u00e1c y\u1ebfu t\u1ed1 ki\u1ec3m so\u00e1t (U\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y)<\/td>Ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u ch\u00ednh x\u00e1c<\/td><\/tr>
T\u00e1c \u0111\u1ed9ng h\u1ecdc t\u1eadp<\/td>U\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y d\u1ea1y s\u1ef1 ki\u1ec3m so\u00e1t; u\u1ed1n ch\u1ea1m \u0111\u00e1y tr\u1eebng ph\u1ea1t vi\u1ec7c \u0111o\u00e1n m\u00f2<\/td><\/tr>
So s\u00e1nh t\u01b0\u01a1ng t\u1ef1<\/td>U\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y: \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c phanh khi xu\u1ed1ng d\u1ed1c; U\u1ed1n ch\u1ea1m \u0111\u00e1y: \u0111\u1ea1p m\u1ea1nh b\u00e0n \u0111\u1ea1p v\u00e0 tin v\u00e0o h\u1ec7 th\u1ed1ng ABS<\/td><\/tr>
Quy t\u1eafc cho ng\u01b0\u1eddi h\u1ecdc ngh\u1ec1<\/td>H\u1ecdc u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y tr\u01b0\u1edbc; hi\u1ec3u \u0111\u1ed9 s\u00e2u, chi\u1ec1u r\u1ed9ng khu\u00f4n v\u00e0 ph\u1ea3n \u1ee9ng v\u1eadt li\u1ec7u<\/td><\/tr>
Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/td>Lu\u00f4n th\u1eed tr\u01b0\u1edbc tr\u00ean v\u1eadt li\u1ec7u ph\u1ebf<\/td><\/tr>
C\u00e2u h\u1ecfi m\u1edf<\/td>T\u1ea1i sao vi\u1ec7c m\u1edf r\u1ed9ng khu\u00f4n V l\u1ea1i thay \u0111\u1ed5i g\u00f3c th\u00e0nh ph\u1ea9m ngay c\u1ea3 khi \u0111\u1ed9 s\u00e2u c\u1ee7a ch\u00e0y h\u1ea7u nh\u01b0 kh\u00f4ng thay \u0111\u1ed5i?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

T\u1ef7 l\u1ec7 khu\u00f4n V: T\u1ea1i sao chi\u1ec1u r\u1ed9ng c\u1ee7a khe m\u1edf ph\u00eda d\u01b0\u1edbi l\u1ea1i quy\u1ebft \u0111\u1ecbnh g\u00f3c cu\u1ed1i c\u00f9ng c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

\u0110\u1eb7t th\u00e9p d\u00e0y 0,125 inch v\u00e0o khu\u00f4n V c\u00f3 chi\u1ec1u r\u1ed9ng g\u1ea5p 8 l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u \u2014 1 inch. U\u1ed1n \u0111\u1ebfn 90 \u0111\u1ed9. \u0110o b\u00e1n k\u00ednh b\u00ean trong. B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c kho\u1ea3ng 0,160 inch, sai s\u1ed1 nh\u1ecf.<\/p>\n\n\n\n

B\u00e2y gi\u1edd \u0111\u1eb7t c\u00f9ng t\u1ea5m \u0111\u00f3 v\u00e0o khu\u00f4n 12\u00d7 \u2014 r\u1ed9ng 1,5 inch. C\u00f9ng b\u00e1n k\u00ednh ch\u00e0y. C\u00f9ng g\u00f3c m\u1ee5c ti\u00eau.<\/p>\n\n\n\n

B\u00e1n k\u00ednh b\u00ean trong c\u1ee7a b\u1ea1n t\u0103ng l\u00ean. \u0110\u1ed9 s\u00e2u ch\u00e0y c\u1ea7n thi\u1ebft thay \u0111\u1ed5i. V\u00e0 \u0111\u1ed9 d\u1ed9i \u0111\u00e0n h\u1ed3i c\u0169ng t\u0103ng.<\/p>\n\n\n\n

T\u1ea1i sao?<\/p>\n\n\n\n

B\u1edfi v\u00ec chi\u1ec1u r\u1ed9ng khu\u00f4n ki\u1ec3m so\u00e1t kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111i\u1ec3m ti\u1ebfp x\u00fac ph\u00eda d\u01b0\u1edbi. Khu\u00f4n V r\u1ed9ng h\u01a1n ngh\u0129a l\u00e0 t\u1ea5m kim lo\u1ea1i c\u0103ng qua m\u1ed9t kho\u1ea3ng d\u00e0i h\u01a1n gi\u1eefa c\u00e1c \u0111i\u1ec3m \u0111\u1ee1. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m gi\u1ea3m m\u1ee9c \u0111\u1ed9 u\u1ed1n t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed7i \u0111\u01a1n v\u1ecb \u0111\u1ed9 s\u00e2u v\u00e0 t\u1ea1o ra b\u00e1n k\u00ednh b\u00ean trong l\u1edbn h\u01a1n. B\u00e1n k\u00ednh l\u1edbn h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u00edt t\u1eadp trung \u1ee9ng su\u1ea5t h\u01a1n, \u0111i\u1ec1u n\u00e0y l\u00e0m thay \u0111\u1ed5i m\u1ee9c \u0111\u1ed9 v\u1eadt li\u1ec7u h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i sau khi d\u1ee1 t\u1ea3i.<\/p>\n\n\n\n

Quy t\u1eafc x\u01b0\u1edfng c\u0169 \u2014 khe m\u1edf V b\u1eb1ng 8 \u0111\u1ebfn 12 l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u \u2014 t\u1ed3n t\u1ea1i v\u00ec n\u00f3 c\u00e2n b\u1eb1ng gi\u1eefa nhu c\u1ea7u l\u1ef1c \u00e9p, b\u00e1n k\u00ednh b\u00ean trong v\u00e0 nguy c\u01a1 n\u1ee9t v\u1ee1. Khu\u00f4n qu\u00e1 h\u1eb9p l\u00e0m t\u0103ng \u0111\u1ed9t ng\u1ed9t l\u1ef1c \u00e9p v\u00e0 d\u1ec5 khi\u1ebfn s\u1ee3i ngo\u00e0i b\u1ecb t\u00e1ch. Khu\u00f4n qu\u00e1 r\u1ed9ng l\u00e0m t\u0103ng b\u00e1n k\u00ednh v\u00e0 bi\u1ebfn \u0111\u1ed9ng g\u00f3c.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 h\u00ecnh h\u1ecdc chi ph\u1ed1i s\u1ef1 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t. B\u1ea1n \u0111ang ch\u1ecdn c\u00e1nh tay \u0111\u00f2n gi\u1eefa hai vai khu\u00f4n. C\u00e1nh tay \u0111\u00f2n \u0111\u00f3 x\u00e1c \u0111\u1ecbnh c\u00e1ch l\u1ef1c ch\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh m\u00f4men u\u1ed1n \u2014 t\u1ee9c l\u1ef1c quay th\u1ef1c s\u1ef1 l\u00e0m cong t\u1ea5m v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

Thay \u0111\u1ed5i c\u00e1nh tay \u0111\u00f2n, thay \u0111\u1ed5i m\u00f4men. Thay \u0111\u1ed5i m\u00f4men, thay \u0111\u1ed5i g\u00f3c.<\/p>\n\n\n\n

H\u00e3y h\u00ecnh dung vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 r\u1ed9ng v\u1ec7t b\u00e1nh x\u00edch tr\u00ean m\u1ed9t chi\u1ebfc xe \u1ee7i. M\u1edf r\u1ed9ng d\u00e1ng \u0111\u1ee9ng v\u00e0 c\u00e1ch t\u1ea3i tr\u1ecdng truy\u1ec1n qua khung xe s\u1ebd thay \u0111\u1ed5i. \u0110\u1ed9ng c\u01a1 v\u1eabn nh\u01b0 c\u0169. H\u00ecnh h\u1ecdc kh\u00e1c. H\u00e0nh vi kh\u00e1c.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> Ch\u1ecdn V-die d\u1ef1a v\u00e0o \u0111\u1ed9 d\u00e0y v\u00e0 v\u1eadt li\u1ec7u tr\u01b0\u1edbc; g\u00f3c xu\u1ea5t ph\u00e1t t\u1eeb quy\u1ebft \u0111\u1ecbnh \u0111\u00f3, kh\u00f4ng ph\u1ea3i t\u1eeb vi\u1ec7c \u0111\u1ea1p m\u1ea1nh b\u00e0n \u0111\u1ea1p. Lu\u00f4n th\u1eed nghi\u1ec7m \u0111i\u1ec1u n\u00e0y tr\u01b0\u1edbc tr\u00ean v\u1eadt li\u1ec7u ph\u1ebf.<\/p>\n\n\n\n

Gi\u1edd b\u1ea1n \u0111ang suy ngh\u0129 nh\u01b0 m\u1ed9t th\u1ee3 gia c\u00f4ng. Nh\u01b0ng ngay c\u1ea3 v\u1edbi t\u1ec9 l\u1ec7 V ho\u00e0n h\u1ea3o, ngay c\u1ea3 v\u1edbi h\u00ecnh h\u1ecdc ch\u00e0y chu\u1ea9n s\u00e1ch gi\u00e1o khoa, v\u1eabn c\u00f3 \u0111i\u1ec1u g\u00ec \u0111\u00f3 khi\u1ebfn g\u00f3c 90 c\u1ee7a b\u1ea1n m\u1edf ra th\u00e0nh 82 ngay khi piston n\u00e2ng l\u00ean.<\/p>\n\n\n\n

\u0110\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i: l\u1ef1c c\u0103ng v\u00f4 h\u00ecnh \u0111\u00e1nh b\u1ea1i c\u00e1c c\u00f4ng c\u1ee5 u\u1ed1n c\u01a1 b\u1ea3n<\/h3>\n\n\n\n

U\u1ed1n m\u1ed9t d\u1ea3i th\u00e9p h\u1ee3p kim 4140 th\u00e0nh 90 \u0111\u1ed9 trong kh\u00f4ng gian. Nh\u1ea3 piston.<\/p>\n\n\n\n

N\u00f3 b\u1eadt l\u1ea1i th\u00e0nh 100.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 sai l\u1ea7m. \u0110\u00f3 l\u00e0 s\u1ef1 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i.<\/p>\n\n\n\n

Khi b\u1ea1n u\u1ed1n kim lo\u1ea1i, ch\u1ec9 ph\u1ea7n ngo\u00e0i c\u1ee7a chi\u1ec1u d\u00e0y ch\u1ecbu bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n. Ph\u1ea7n b\u00ean trong c\u00f3 th\u1ec3 v\u1eabn n\u1eb1m trong ph\u1ea1m vi \u0111\u00e0n h\u1ed3i \u2014 ngh\u0129a l\u00e0 n\u00f3 mu\u1ed1n tr\u1edf v\u1ec1 h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u khi t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c g\u1ee1 b\u1ecf. V\u1eadt li\u1ec7u c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y cao nh\u01b0 4140 ch\u1ed1ng bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n h\u01a1n th\u00e9p m\u1ec1m. V\u00ec v\u1eady ch\u00fang b\u1eadt l\u1ea1i nhi\u1ec1u h\u01a1n \u2014 \u0111\u00f4i khi h\u01a1n 10 \u0111\u1ed9 trong u\u1ed1n kh\u00f4ng gian.<\/p>\n\n\n\n

Ngay c\u1ea3 v\u1edbi t\u1ec9 l\u1ec7 V-die l\u00fd t\u01b0\u1edfng 8\u201312\u00d7.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 kinh nghi\u1ec7m u\u1ed1n qu\u00e1 m\u1ee9c m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u00fd. N\u1ebfu b\u1ea1n c\u1ea7n 90 \u0111\u1ed9 trong 4140 v\u00e0 d\u1ef1 \u0111o\u00e1n \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i 10 \u0111\u1ed9, b\u1ea1n u\u1ed1n \u0111\u1ebfn 80. Kh\u00f4ng ph\u1ea3i b\u1eb1ng c\u00e1ch \u0111o\u00e1n \u2014 m\u00e0 b\u1eb1ng c\u00e1ch th\u1eed nghi\u1ec7m v\u00e0 ghi ch\u00e9p.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 ch\u1ed7 ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng m\u1eafc sai l\u1ea7m: \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i khu\u1ebfch \u0111\u1ea1i l\u1ed7i trong c\u00e1c chi ti\u1ebft nhi\u1ec1u l\u1ea7n u\u1ed1n. L\u1ee1 u\u1ed1n l\u1ea7n \u0111\u1ea7u l\u1ec7ch 2 \u0111\u1ed9, b\u00f9 sai \u1edf l\u1ea7n th\u1ee9 hai, v\u00e0 s\u1ef1 l\u1ec7ch c\u1ee7a tab c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 dung sai r\u1ea5t nhanh. H\u00ecnh h\u1ecdc \u0111\u1eb7t ra ti\u1ec1m n\u0103ng. Gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u chi ph\u1ed1i k\u1ebft qu\u1ea3 n\u1ebfu b\u1ea1n b\u1ecf qua n\u00f3.<\/p>\n\n\n\n

N\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c \u0111\u1eb7t sai \u0111\u1ed9 l\u1ec7ch phanh tr\u00ean m\u1ed9t xe n\u1eb7ng. H\u1ec7 th\u1ed1ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng s\u1ef1 chuy\u1ec3n t\u1ea3i tr\u1ecdng khi gi\u1ea3m t\u1ed1c thay \u0111\u1ed5i m\u1ecdi th\u1ee9. B\u1ecf qua s\u1ef1 thay \u0111\u1ed5i n\u00e0y v\u00e0 b\u1ea1n s\u1ebd tr\u01b0\u1ee3t khi ngh\u0129 m\u00ecnh \u0111ang ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

\u0110\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i l\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef gi\u1ea3i ph\u00f3ng khi \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea3i bi\u1ebfn m\u1ea5t. N\u1ebfu b\u1ea1n kh\u00f4ng l\u00ean k\u1ebf ho\u1ea1ch cho s\u1ef1 gi\u1ea3i ph\u00f3ng n\u00e0y, \u201ch\u00ecnh h\u1ecdc ho\u00e0n h\u1ea3o\u201d c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng c\u1ee9u \u0111\u01b0\u1ee3c b\u1ea1n.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c]<\/strong> Lu\u00f4n x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i b\u1eb1ng c\u00e1ch th\u1eed nghi\u1ec7m cho t\u1eebng v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. Lu\u00f4n th\u1eed tr\u01b0\u1edbc tr\u00ean v\u1eadt li\u1ec7u ph\u1ebf.<\/p>\n\n\n\n

V\u00e0 khi b\u1ea1n hi\u1ec3u r\u1eb1ng h\u00ecnh h\u1ecdc x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng truy\u1ec1n \u1ee9ng su\u1ea5t v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i x\u00e1c \u0111\u1ecbnh s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh, m\u1ed9t s\u1ef1 th\u1eadt kh\u00f3 kh\u0103n ti\u1ebfp theo s\u1ebd hi\u1ec7n ra:<\/p>\n\n\n\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi b\u1ea3n th\u00e2n m\u00e1y kh\u00f4ng th\u1ec3 t\u1ea1o ra l\u1ef1c \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i u\u1ed1n?<\/p>\n\n\n\n

C\u00e1i b\u1eaby Tonnage: T\u1ea1i sao mua \u201cnhi\u1ec1u s\u1ee9c m\u1ea1nh h\u01a1n\u201d s\u1ebd kh\u00f4ng s\u1eeda \u0111\u01b0\u1ee3c c\u00e1c g\u00f3c u\u1ed1n sai\u201d<\/h2>\n\n\n\n

T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ed9t m\u00e1y u\u1ed1n d\u00e0i 10 feet c\u1ed1 g\u1eafng u\u1ed1n 90 \u0111\u1ed9 v\u00e0o th\u00e9p m\u1ec1m d\u00e0y m\u1ed9t ph\u1ea7n t\u01b0 inch. C\u00e1c m\u00e9p \u0111\u1ea1t g\u00f3c. Trung t\u00e2m v\u1eabn m\u1edf g\u1ea7n ba \u0111\u1ed9. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u0103ng \u00e1p l\u1ef1c. L\u1ea7n k\u00e9o th\u1ee9 hai, c\u00e1c \u0111\u1ea7u b\u1ecb u\u1ed1n qu\u00e1 m\u1ee9c, ph\u1ea7n gi\u1eefa v\u1eabn ch\u1eadm, v\u00e0 khi piston n\u00e2ng l\u00ean, t\u1ea5m panel tr\u00f4ng nh\u01b0 m\u1ed9t chi\u1ebfc ca n\u00f4 n\u00f4ng.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 nh\u1eefng g\u00ec x\u1ea3y ra khi m\u00e1y kh\u00f4ng th\u1ec3 t\u1ea1o l\u1ef1c \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i: piston b\u1ecb v\u00f5ng. Khung th\u00e9p gi\u00e3n ra. Trung t\u00e2m b\u00e0n u\u1ed1n nh\u1eadn l\u1ef1c hi\u1ec7u d\u1ee5ng \u00edt h\u01a1n m\u00e9p. Tr\u00ean c\u00e1c \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i \u2014 b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec v\u01b0\u1ee3t qu\u00e1 n\u0103m feet \u2014 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y 0,010 \u0111\u1ebfn 0,020 inch v\u00f5ng d\u1ecdc t\u1ea1i trung t\u00e2m tr\u00ean m\u1ed9t m\u00e1y u\u1ed1n c\u1ee1 trung. Nghe c\u00f3 v\u1ebb nh\u1ecf cho \u0111\u1ebfn khi b\u1ea1n nh\u1edb r\u1eb1ng g\u00f3c trong u\u1ed1n kh\u00f4ng gian ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 s\u00e2u. V\u00e0i ph\u1ea7n ngh\u00ecn inch kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 xuy\u00ean s\u1ebd th\u00e0nh l\u1ed7i v\u00e0i \u0111\u1ed9.<\/p>\n\n\n\n

Nhi\u1ec1u s\u1ee9c m\u1ea1nh h\u01a1n kh\u00f4ng s\u1eeda \u0111\u01b0\u1ee3c h\u00ecnh h\u1ecdc \u0111\u00f3. N\u00f3 th\u01b0\u1eddng l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam. B\u1ea1n \u0111ang \u0111\u1ed5 l\u1ef1c v\u00e0o m\u1ed9t c\u1ea5u tr\u00fac b\u1ecb u\u1ed1n cong d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 m\u1ed9t xe t\u1ea3i n\u1eb7ng \u0111ang phanh khi xu\u1ed1ng d\u1ed1c: n\u1ebfu khung b\u1ecb xo\u1eafn d\u01b0\u1edbi t\u1ea3i, \u0111\u1ea1p b\u00e0n \u0111\u1ea1p m\u1ea1nh h\u01a1n s\u1ebd kh\u00f4ng l\u00e0m th\u1eb3ng khung; n\u00f3 ch\u1ec9 l\u00e0m kh\u00f3a b\u00e1nh xe kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n

V\u00ec v\u1eady tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u mua s\u1eafm c\u00f4ng su\u1ea5t, b\u1ea1n c\u1ea7n hi\u1ec3u c\u00f4ng su\u1ea5t \u0111\u00f3 th\u1ef1c s\u1ef1 \u0111ang ch\u1ed1ng l\u1ea1i c\u00e1i g\u00ec.<\/p>\n\n\n\n

\u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u so v\u1edbi gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o: \u0110i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 c\u1ea3n tr\u1edf l\u01b0\u1ee1i dao?<\/h3>\n\n\n\n

\u0110\u1eb7t th\u00e9p m\u1ec1m 0.250 inch, d\u00e0i 10 feet, u\u1ed1n kh\u00ed trong khu\u00f4n V \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u00fang k\u00edch c\u1ee1. S\u1eed d\u1ee5ng \u01b0\u1edbc t\u00ednh u\u1ed1n kh\u00ed ti\u00eau chu\u1ea9n\u2014P \u2248 650 \u00d7 S\u00b2 \u00d7 L \/ V\u2014b\u1ea1n s\u1ebd ra kho\u1ea3ng 150\u2013170 t\u1ea5n cho chi\u1ec1u d\u00e0i \u0111\u00f3. C\u00f4ng th\u1ee9c n\u00e0y gi\u1ea3 \u0111\u1ecbnh u\u1ed1n kh\u00ed, t\u1ef7 l\u1ec7 khu\u00f4n 8\u00d7 v\u00e0 c\u00f3 th\u00eam bi\u00ean an to\u00e0n.<\/p>\n\n\n\n

Gi\u1edd ch\u1ec9 thay v\u1eadt li\u1ec7u sang th\u00e9p kh\u00f4ng g\u1ec9 c\u00f9ng \u0111\u1ed9 d\u00e0y.<\/p>\n\n\n\n

C\u00f4ng su\u1ea5t y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n t\u0103ng kho\u1ea3ng 1,5 l\u1ea7n. Kh\u00f4ng ph\u1ea3i v\u00ec n\u00f3 d\u00e0y h\u01a1n. M\u00e0 v\u00ec gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o\u2014\u1ee9ng su\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n c\u00e1c s\u1ee3i ngo\u00e0i\u2014cao h\u01a1n. \u0110\u1ed9 d\u00e0y x\u00e1c \u0111\u1ecbnh m\u00f4 \u0111un ti\u1ebft di\u1ec7n, t\u1ee9c kh\u1ea3 n\u0103ng ch\u1ed1ng u\u1ed1n v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc. Gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \"b\u01b0\u1edbng b\u1ec9nh\" c\u1ee7a v\u1eadt li\u1ec7u khi ch\u1ecbu tr\u01b0\u1ee3t.<\/p>\n\n\n\n

\u0110\u1ed9 d\u00e0y l\u00e0 \u0111\u00f2n b\u1ea9y. \u0110\u1ed9 b\u1ec1n l\u00e0 th\u00e1i \u0111\u1ed9.<\/p>\n\n\n\n

Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng ch\u00fa tr\u1ecdng b\u1ea3ng \u0111\u1ed9 d\u00e0y v\u00e0 b\u1ecf qua gi\u1edbi h\u1ea1n ch\u1ea3y. \u0110\u00f3 l\u00e0 l\u00fd do h\u1ecd b\u1ecb thi\u1ebfu c\u00f4ng su\u1ea5t khi gia c\u00f4ng h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao ho\u1eb7c d\u01b0 c\u00f4ng su\u1ea5t khi gia c\u00f4ng nh\u00f4m m\u1ec1m. Nh\u00f4m c\u00f3 th\u1ec3 ch\u1ec9 c\u1ea7n kho\u1ea3ng 0,55 l\u1ea7n c\u00f4ng su\u1ea5t c\u1ee7a th\u00e9p m\u1ec1m \u1edf c\u00f9ng \u0111\u1ed9 d\u00e0y. N\u1ebfu b\u1ea1n \u0111o\u00e1n cao \u201ccho ch\u1eafc\u201d, b\u1ea1n kh\u00f4ng t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c\u2014b\u1ea1n ch\u1ec9 th\u00eam c\u0103ng cho d\u1ee5ng c\u1ee5 v\u00e0 khung m\u00e1y.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 ch\u1ed7 b\u1eaby b\u1eadt ra: c\u00f4ng th\u1ee9c \u0111\u00f3 gi\u1ea3 \u0111\u1ecbnh u\u1ed1n kh\u00ed. N\u1ebfu b\u1ea1n \u00e9p \u0111\u00e1y ho\u1eb7c d\u1eadp \u0111\u1ed3ng c\u00e1i t\u1ea5m 1\/4 inch \u0111\u00f3 \u0111\u1ec3 t\u1ea1o b\u00e1n k\u00ednh b\u00ean trong ch\u1eb7t, c\u00f4ng su\u1ea5t c\u00f3 th\u1ec3 g\u1ea5p b\u1ed1n l\u1ea7n\u2014tr\u00ean 600 t\u1ea5n cho 10 feet. C\u00f9ng \u0111\u1ed9 d\u00e0y. C\u00f9ng chi\u1ec1u d\u00e0i. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh kh\u00e1c. Thay \u0111\u1ed5i kh\u00f4ng ph\u1ea3i \u1edf t\u1ea5m kim lo\u1ea1i. M\u00e0 l\u00e0 \u1edf \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

\u0110i\u1ec1u anh th\u1ef1c s\u1ef1 c\u1ea7n l\u00e0 v\u1eadt l\u00fd kh\u00e1c.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c] T\u00ednh c\u00f4ng su\u1ea5t d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y, gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o, chi\u1ec1u d\u00e0i, b\u1ec1 r\u1ed9ng khu\u00f4n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh\u2014kh\u00f4ng bao gi\u1edd ch\u1ec9 d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y. Lu\u00f4n th\u1eed tr\u01b0\u1edbc tr\u00ean ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

Nh\u01b0ng ngay c\u1ea3 khi t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n chu\u1ea9n x\u00e1c ho\u00e0n to\u00e0n, c\u00e1c \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i v\u1eabn m\u1edf r\u1ed9ng \u1edf gi\u1eefa. T\u1ea1i sao?<\/p>\n\n\n\n

B\u00f9 \u0111\u1ed9 v\u00f5ng: \u0110i\u1ec1u g\u00ec x\u1ea3y ra khi gi\u1eefa u\u1ed1n \u00edt h\u01a1n hai \u0111\u1ea7u?<\/h3>\n\n\n\n

Th\u1ef1c hi\u1ec7n m\u1ed9t \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i s\u00e1u foot tr\u00ean m\u00e1y kh\u00f4ng c\u00f3 b\u00f9 v\u00f5ng. \u0110o g\u00f3c \u1edf hai \u0111\u1ea7u v\u00e0 gi\u1eefa. Th\u01b0\u1eddng th\u1ea5y gi\u1eefa m\u1edf h\u01a1n 1\u20133 \u0111\u1ed9, t\u00f9y t\u1ea3i. \u0110\u00f3 l\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a ch\u00e0y v\u00e0 gi\u01b0\u1eddng d\u01b0\u1edbi c\u00f4ng su\u1ea5t.<\/p>\n\n\n\n

Th\u00e9p tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt Hooke trong ph\u1ea1m vi \u0111\u00e0n h\u1ed3i: \u1ee9ng su\u1ea5t t\u1ea1o ra bi\u1ebfn d\u1ea1ng t\u1ef7 l\u1ec7. Khung m\u00e1y \u00e9p c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t l\u00f2 xo kh\u1ed5ng l\u1ed3. D\u01b0\u1edbi t\u1ea3i, n\u00f3 cong l\u00ean \u1edf gi\u1eefa. Ch\u00e0y \u0111i s\u00e2u h\u01a1n \u1edf hai \u0111\u1ea7u v\u00ec khung \u1edf \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ee1 b\u1edfi tr\u1ee5 b\u00ean. Gi\u1eefa th\u00ec tr\u00f4i.<\/p>\n\n\n\n

B\u00f9 v\u00f5ng l\u00e0 ch\u1ee7 \u00fd t\u1ea1o \u0111\u1ed9 cong ng\u01b0\u1ee3c. C\u00e1c n\u00eam c\u01a1 kh\u00ed ho\u1eb7c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c \u0111\u1ea9y gi\u01b0\u1eddng l\u00ean \u1edf gi\u1eefa tr\u01b0\u1edbc ho\u1eb7c trong h\u00e0nh tr\u00ecnh \u0111\u1ec3 d\u01b0\u1edbi t\u1ea3i, m\u1ecdi th\u1ee9 ph\u1eb3ng ra. B\u1ea1n \u0111ang n\u1ea1p tr\u01b0\u1edbc cho m\u00e1y \u0111\u1ec3 tri\u1ec7t ti\u00eau bi\u1ebfn d\u1ea1ng c\u1ee7a ch\u00ednh n\u00f3.<\/p>\n\n\n\n

Kh\u00f4ng c\u00f3 b\u00f9 v\u00f5ng, th\u1ee3 v\u1eadn h\u00e0nh b\u00f9 sai c\u00e1ch. H\u1ecd t\u0103ng c\u00f4ng su\u1ea5t. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m ch\u00e0y \u0111i s\u00e2u h\u01a1n \u1edf hai \u0111\u1ea7u tr\u01b0\u1edbc\u2014v\u00ec c\u1ea5u tr\u00fac \u1edf \u0111\u00f3 c\u1ee9ng\u2014trong khi gi\u1eefa v\u1eabn thi\u1ebfu. B\u1ea1n \u0111u\u1ed5i theo g\u00f3c b\u1eb1ng \u00e1p su\u1ea5t v\u00e0 cu\u1ed1i c\u00f9ng c\u00f3 c\u00e1c \u0111\u1ea7u u\u1ed1n qu\u00e1 v\u00e0 gi\u1eefa m\u1edf.<\/p>\n\n\n\n

N\u00f3 gi\u1ed1ng nh\u01b0 ch\u00eam m\u00e1 phanh c\u1ee7a xe t\u1ea3i kh\u00f4ng \u0111\u1ec1u: l\u1ef1c b\u00e0n \u0111\u1ea1p l\u1edbn h\u01a1n s\u1ebd kh\u00f4ng c\u00e2n b\u1eb1ng ti\u1ebfp x\u00fac; n\u00f3 ch\u1ec9 l\u00e0m n\u00f3ng qu\u00e1 m\u1ee9c nh\u1eefng \u0111i\u1ec3m ch\u1eb7t.<\/p>\n\n\n\n

C\u00e1c \u0111i\u1ec1u khi\u1ec3n s\u1ed1 gi\u1edd \u0111\u00e2y t\u00ednh to\u00e1n hi\u1ec7u ch\u1ec9nh cosin, y\u1ebfu t\u1ed1 v\u1eadt li\u1ec7u v\u00e0 bi\u00ean an to\u00e0n, th\u01b0\u1eddng \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b12%. Nh\u01b0ng ngay c\u1ea3 c\u00f4ng th\u1ee9c c\u00f4ng su\u1ea5t ho\u00e0n h\u1ea3o c\u0169ng b\u1ecf qua bi\u1ebfn d\u1ea1ng khung n\u1ebfu b\u00f9 v\u00f5ng kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang. T\u00ednh to\u00e1n m\u00e0 kh\u00f4ng b\u00f9 l\u00e0 m\u1ed9t n\u1eeda gi\u1ea3i ph\u00e1p.<\/p>\n\n\n\n

[Quy t\u1eafc cho h\u1ecdc vi\u1ec7c] V\u1edbi c\u00e1c \u0111\u01b0\u1eddng u\u1ed1n d\u00e0i h\u01a1n n\u0103m feet, h\u00e3y \u0111\u1eb7t b\u00f9 v\u00f5ng tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o \u00e1p su\u1ea5t; kh\u1edbp b\u00f9 v\u1edbi c\u00f4ng su\u1ea5t \u0111\u00e3 t\u00ednh, kh\u00f4ng v\u1edbi \u0111o\u00e1n m\u00f2. Lu\u00f4n th\u1eed tr\u01b0\u1edbc tr\u00ean ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

V\u00e0 n\u1ebfu b\u1ea1n b\u1ecf qua \u0111i\u1ec1u \u0111\u00f3 v\u00e0 ch\u1ec9 ti\u1ebfp t\u1ee5c t\u0103ng l\u1ef1c, c\u00e1i g\u00ec s\u1ebd h\u1ecfng tr\u01b0\u1edbc?<\/p>\n\n\n\n

Qu\u00e1 t\u1ea3i tr\u1ecdng l\u1ef1c: C\u00e1i g\u00ec s\u1ebd v\u1ee1 tr\u01b0\u1edbc khi b\u1ea1n \u01b0\u1edbc ch\u1eebng gi\u1edbi h\u1ea1n c\u1ee7a d\u1ee5ng c\u1ee5?<\/h3>\n\n\n\n

Kh\u00f4ng ph\u1ea3i t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t ch\u00e0y ph\u00e2n \u0111o\u1ea1n n\u1ee9t to\u00e1c ngay t\u1ea1i b\u00e1n k\u00ednh v\u00ec ai \u0111\u00f3 \u0111\u00e3 \u00e9p ch\u1ea1m \u0111\u00e1y t\u1ea5m d\u00e0y trong m\u1ed9t khu\u00f4n ch\u1ec9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho u\u1ed1n kh\u00f4ng ch\u1ea1m (air bending). M\u00e1y \u201c\u0111\u1ee7 l\u1edbn.\u201d D\u1ee5ng c\u1ee5 th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

D\u1ee5ng c\u1ee5 c\u00f3 \u0111\u1ecbnh m\u1ee9c t\u1ea5n-tr\u00ean-foot. V\u01b0\u1ee3t qu\u00e1 m\u1ee9c n\u00e0y th\u00ec \u1ee9ng su\u1ea5t ti\u1ebfp x\u00fac t\u1ea1i \u0111\u1ea7u ch\u00e0y ho\u1eb7c vai khu\u00f4n s\u1ebd v\u01b0\u1ee3t gi\u1edbi h\u1ea1n c\u1ee7a th\u00e9p \u0111\u00e3 t\u00f4i c\u1ee9ng. C\u00e1c v\u1ebft n\u1ee9t nh\u1ecf b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh. M\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3, b\u1ea1n nghe m\u1ed9t ti\u1ebfng r\u1eafc s\u1eafc l\u1eb9m thay v\u00ec ti\u1ebfng r\u00ec r\u00ec c\u1ee7a th\u1ee7y l\u1ef1c. R\u1ed3i b\u1ea1n s\u1ebd ph\u1ea3i qu\u00e9t d\u1ecdn nh\u1eefng m\u1ea3nh carbide v\u1ee1 v\u1ee5n.<\/p>\n\n\n\n

V\u00e0 n\u1ebfu d\u1ee5ng c\u1ee5 c\u00f2n s\u1ed1ng s\u00f3t, c\u00e1c b\u1ea1c \u0111\u1ee1 tr\u1ee5c v\u00e0 khung b\u00ean c\u1ee7a m\u00e1y s\u1ebd h\u1ea5p th\u1ee5 l\u1ef1c d\u01b0 th\u1eeba. T\u1ea3i qu\u00e1 m\u1ee9c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i s\u1ebd l\u00e0m gi\u00e3n c\u00e1c thanh bu\u1ed9c v\u00e0 l\u00e0m l\u1ec7ch song song. Gi\u1edd th\u00ec b\u1ea1n \u0111\u00e3 t\u1ea1o ra m\u1ed9t \u0111\u1ed9 sai l\u1ec7ch v\u0129nh vi\u1ec5n cho m\u00e1y.<\/p>\n\n\n\n

Nhi\u1ec1u c\u00f4ng su\u1ea5t h\u01a1n kh\u00f4ng mua \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c. N\u00f3 ch\u1ec9 mua s\u1ef1 hao m\u00f2n nhanh h\u01a1n n\u1ebfu b\u1ea1n kh\u00f4ng t\u00f4n tr\u1ecdng m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t trong \u0111\u01b0\u1eddng truy\u1ec1n l\u1ef1c.<\/p>\n\n\n\n

H\u00e3y ngh\u0129 \u0111\u1ebfn vi\u1ec7c l\u00e1i l\u01b0\u1ee1i \u1ee7i c\u1ee7a xe \u1ee7i \u0111\u00e2m th\u1eb3ng v\u00e0o \u0111\u00e1 g\u1ed1c \u1edf ga t\u1ed1i \u0111a: \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c, nh\u01b0ng l\u01b0\u1ee1i c\u1eaft v\u00e0 c\u00e1c ch\u1ed1t g\u1eafn s\u1ebd h\u1ee9ng ch\u1ecbu c\u00fa s\u1ed1c.<\/p>\n\n\n\n

[Quy t\u1eafc h\u1ecdc vi\u1ec7c] Kh\u00f4ng bao gi\u1edd v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c t\u1ea5n-tr\u00ean-foot c\u1ee7a ch\u00e0y v\u00e0 khu\u00f4n; d\u1ee5ng c\u1ee5 th\u01b0\u1eddng h\u1ecfng tr\u01b0\u1edbc khi m\u00e1y h\u1ecfng. Lu\u00f4n th\u1eed tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

V\u1eady l\u00e0m sao \u0111\u1ec3 tr\u00e1nh c\u00e1i b\u1eaby \u0111\u00f3 tr\u01b0\u1edbc nh\u00e1t \u00e9p \u0111\u1ea7u ti\u00ean?<\/p>\n\n\n\n

M\u1ed9t khung t\u00ednh \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng l\u1ef1c c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi u\u1ed1n<\/h3>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi b\u1ed1n d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c ghi ra gi\u1ea5y, kh\u00f4ng ph\u1ea3i \u0111o\u00e1n:<\/p>\n\n\n\n

    \n
  1. Lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o<\/li>\n\n\n\n
  2. \u0110\u1ed9 D\u00e0y<\/li>\n\n\n\n
  3. Chi\u1ec1u d\u00e0i \u0111o\u1ea1n u\u1ed1n<\/li>\n\n\n\n
  4. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh (u\u1ed1n kh\u00f4ng ch\u1ea1m, \u00e9p ch\u1ea1m \u0111\u00e1y, ch\u00e0y d\u1eadp to\u00e0n ph\u1ea7n)<\/li>\n<\/ol>\n\n\n\n

    \u0110\u1ed1i v\u1edbi u\u1ed1n kh\u00f4ng ch\u1ea1m th\u00e9p m\u1ec1m, d\u00f9ng c\u00f4ng th\u1ee9c \u01b0\u1edbc l\u01b0\u1ee3ng ti\u00eau chu\u1ea9n \u0111i\u1ec1u ch\u1ec9nh theo chi\u1ec1u r\u1ed9ng khu\u00f4n c\u1ee7a b\u1ea1n. \u00c1p d\u1ee5ng h\u1ec7 s\u1ed1 v\u1eadt li\u1ec7u: kho\u1ea3ng 1,5\u00d7 cho inox, x\u1ea5p x\u1ec9 0,55\u00d7 cho nh\u00f4m. C\u1ed9ng th\u00eam bi\u00ean an to\u00e0n 20%\u2014nh\u01b0ng v\u1eabn ph\u1ea3i n\u1eb1m trong gi\u1edbi h\u1ea1n c\u1ee7a d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

    N\u1ebfu b\u1ea1n d\u1ef1 \u0111\u1ecbnh \u00e9p ch\u1ea1m \u0111\u00e1y ho\u1eb7c d\u1eadp to\u00e0n ph\u1ea7n, nh\u00e2n theo m\u1ee9c t\u01b0\u01a1ng \u1ee9ng. H\u00e3y k\u1ef3 v\u1ecdng c\u1ea7n l\u1ef1c g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi u\u1ed1n kh\u00f4ng ch\u1ea1m. \u0110\u00f3 kh\u00f4ng ph\u1ea3i t\u00f9y ch\u1ecdn; \u0111\u00f3 l\u00e0 v\u1eadt l\u00fd t\u1eeb s\u1ef1 t\u0103ng ti\u1ebfp x\u00fac v\u00e0 bi\u1ebfn d\u1ea1ng d\u1ebbo to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0y.<\/p>\n\n\n\n

    Sau \u0111\u00f3, ki\u1ec3m tra th\u00eam hai y\u1ebfu t\u1ed1 tr\u01b0\u1edbc khi v\u1eadn h\u00e0nh:<\/p>\n\n\n\n

      \n
    • C\u00f4ng su\u1ea5t m\u00e1y t\u1ea1i chi\u1ec1u d\u00e0i u\u1ed1n \u0111\u00f3<\/li>\n\n\n\n
    • Thi\u1ebft l\u1eadp ch\u1ed1ng v\u00f5ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i d\u1ef1 ki\u1ebfn<\/li>\n<\/ul>\n\n\n\n

      C\u00e1c c\u00f4ng c\u1ee5 \u01b0\u1edbc l\u01b0\u1ee3ng hi\u1ec7n \u0111\u1ea1i trong \u0111i\u1ec1u khi\u1ec3n CNC x\u1eed l\u00fd hi\u1ec7u ch\u1ec9nh g\u00f3c cosine v\u00e0 h\u1ec7 s\u1ed1 an to\u00e0n nhanh v\u00e0 ch\u00ednh x\u00e1c h\u01a1n nhi\u1ec1u so v\u1edbi t\u00ednh tay. H\u00e3y d\u00f9ng ch\u00fang. Nh\u01b0ng h\u00e3y x\u00e1c nh\u1eadn r\u1eb1ng k\u1ebft qu\u1ea3 v\u1eabn t\u00f4n tr\u1ecdng gi\u1edbi h\u1ea1n t\u1ea5n-tr\u00ean-foot c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 r\u1eb1ng ch\u1ed1ng v\u00f5ng \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt cho c\u00e1c \u0111o\u1ea1n u\u1ed1n d\u00e0i.<\/p>\n\n\n\n

      Ghi l\u1ea1i con s\u1ed1 \u0111\u00f3. So s\u00e1nh v\u1edbi \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y v\u00e0 d\u1ee5ng c\u1ee5. Ch\u1ec9 khi \u0111\u00f3 m\u1edbi \u0111\u01b0a t\u1ea5m kim lo\u1ea1i v\u00e0o.<\/p>\n\n\n\n

      \u0110\u1ed9 ch\u00ednh x\u00e1c trong u\u1ed1n \u0111\u1ebfn t\u1eeb l\u1ef1c \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u00e1p d\u1ee5ng th\u00f4ng qua h\u00ecnh h\u1ecdc kh\u1edbp nhau, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb vi\u1ec7c s\u1edf h\u1eefu b\u01a1m th\u1ee7y l\u1ef1c l\u1edbn nh\u1ea5t trong x\u01b0\u1edfng. Ti\u1ebfp theo, ch\u00fang ta s\u1ebd \u0111i t\u1eebng b\u01b0\u1edbc c\u00e1ch thi\u1ebft l\u1eadp l\u1ea7n u\u1ed1n \u0111\u1ea7u ti\u00ean \u0111\u1ec3 to\u00e1n h\u1ecdc, d\u1ee5ng c\u1ee5, v\u00e0 m\u00e1y m\u00f3c \u0111\u1ec1u \u0111\u1ed3ng thu\u1eadn tr\u01b0\u1edbc khi th\u00e9p b\u1eaft \u0111\u1ea7u ch\u1ea3y d\u1ebbo.<\/p>\n\n\n\n

      T\u1eeb B\u1ee1 Ng\u1ee1 \u0111\u1ebfn Th\u00e0nh Th\u1ea1o: Thi\u1ebft L\u1eadp L\u1ea7n U\u1ed1n Ch\u00ednh X\u00e1c \u0110\u1ea7u Ti\u00ean<\/h2>\n\n\n\n

      M\u1ed9t c\u1eadu h\u1ecdc tr\u00f2 t\u00f4i t\u1eebng hu\u1ea5n luy\u1ec7n \u0111\u00e3 t\u1eebng mang m\u1ed9t thanh th\u00e9p m\u1ec1m d\u00e0y 11\u2011gauge d\u00e0i 10 feet t\u1edbi m\u00e1y ch\u1ea5n, k\u1eb9p ng\u1eabu nhi\u00ean m\u1ed9t khu\u00f4n V 1\/2 inch, \u01b0\u1edbc l\u01b0\u1ee3ng g\u00f3c 90, r\u1ed3i n\u00f3i: \u201cL\u1ea7n k\u00e9o \u0111\u1ea7u ti\u00ean tr\u00f4ng \u1ed5n m\u00e0.\u201d M\u00e9p g\u1ea5p \u0111o \u0111\u01b0\u1ee3c 1.000 inch \u1edf \u0111\u1ea7u b\u00ean tr\u00e1i, 0.965 \u1edf gi\u1eefa, 1.015 \u1edf \u0111\u1ea7u b\u00ean ph\u1ea3i. G\u00f3c l\u1ec7ch h\u01a1n m\u1ed9t \u0111\u1ed9 r\u01b0\u1ee1i d\u1ecdc theo chi\u1ec1u d\u00e0i. C\u1eadu ta kh\u00f4ng l\u00e0m h\u1ecfng g\u00ec c\u1ea3. Ch\u1ec9 l\u00e0 c\u1eadu \u1ea5y \u0111\u00e3 c\u1ed9ng d\u1ed3n ba sai l\u1ea7m nh\u1ecf trong kh\u00e2u thi\u1ebft l\u1eadp l\u00ean tr\u00ean t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng \u0111\u00fang.<\/p>\n\n\n\n

      M\u00e1y \u0111\u00e3 l\u00e0m ch\u00ednh x\u00e1c nh\u1eefng g\u00ec h\u00ecnh h\u1ecdc y\u00eau c\u1ea7u n\u00f3 l\u00e0m.<\/p>\n\n\n\n

      B\u1ea1n \u0111\u00e3 bi\u1ebft l\u1ef1c v\u00e0 \u0111\u1ed9 v\u1ed3ng ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc khi th\u00e9p b\u1eaft \u0111\u1ea7u ch\u1ea3y d\u1ebbo. Gi\u1edd b\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng h\u00ecnh h\u1ecdc d\u1ee5ng c\u1ee5 v\u00e0 v\u1ecb tr\u00ed ch\u1eb7n sau ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn tr\u01b0\u1edbc c\u1ea3 khi ch\u00e2n b\u1ea1n \u0111\u1eb7t l\u00ean b\u00e0n \u0111\u1ea1p, b\u1edfi v\u00ec m\u1ed9t khi m\u0169i ch\u00e0y ch\u1ea1m v\u00e0o t\u1ea5m, v\u1eadt l\u00fd s\u1ebd ki\u1ec3m so\u00e1t v\u00e0 kh\u00f4ng c\u00f3 chuy\u1ec7n th\u01b0\u01a1ng l\u01b0\u1ee3ng. H\u00e3y ngh\u0129 m\u00e1y ch\u1ea5n gi\u1ed1ng h\u1ec7 th\u1ed1ng phanh kh\u00ed c\u1ee7a m\u1ed9t xe t\u1ea3i n\u1eb7ng: l\u1ef1c \u0111\u1ea1p b\u00e0n \u0111\u1ea1p quan tr\u1ecdng, nh\u01b0ng n\u1ebfu m\u00e1 phanh v\u00e0 tang tr\u1ed1ng kh\u00f4ng kh\u1edbp, b\u1ea1n s\u1ebd kh\u00f4ng d\u1eebng th\u1eb3ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

      \u0110\u00e2y l\u00e0 quy tr\u00ecnh gi\u00fap b\u1ea1n tr\u00e1nh g\u1eb7p r\u1eafc r\u1ed1i.<\/p>\n\n\n\n

      B\u01b0\u1edbc 1: Ch\u1ecdn ch\u00e0y v\u00e0 khu\u00f4n ph\u00f9 h\u1ee3p cho b\u00e1n k\u00ednh m\u1ee5c ti\u00eau<\/h3>\n\n\n\n

      \u0110\u1eb7t m\u1ed9t t\u1ea5m th\u00e9p m\u1ec1m d\u00e0y 0.125 inch (1\/8\u2033) l\u00ean b\u00e0n. B\u1ea1n mu\u1ed1n m\u1ed9t g\u00f3c g\u1ea5p 90\u00b0 g\u1ecdn g\u00e0ng v\u1edbi b\u00e1n k\u00ednh trong kho\u1ea3ng 0.125 inch. B\u1ea3n n\u0103ng \u0111\u1ea7u ti\u00ean l\u00e0 b\u1ea1n s\u1ebd l\u1ea5y khu\u00f4n V nh\u1ecf nh\u1ea5t c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c \u0111\u1ec3 \u201c\u00e9p\u201d ra g\u00f3c g\u1ea5p ch\u1eb7t \u0111\u00f3.<\/p>\n\n\n\n

      Ch\u1eadm l\u1ea1i.<\/p>\n\n\n\n

      Trong u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y (air bending), b\u00e1n k\u00ednh trong kh\u00f4ng \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi m\u0169i ch\u00e0y. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi \u0111\u1ed9 m\u1edf c\u1ee7a r\u00e3nh V. M\u1ed9t nguy\u00ean t\u1eafc kinh nghi\u1ec7m ph\u1ed5 bi\u1ebfn cho th\u00e9p m\u1ec1m l\u00e0:<\/p>\n\n\n\n

        \n
      • \u0110\u1ed9 m\u1edf V \u2248 6\u20138 \u00d7 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/li>\n\n\n\n
      • B\u00e1n k\u00ednh trong \u2248 0.16 \u00d7 \u0111\u1ed9 m\u1edf V (x\u1ea5p x\u1ec9, thay \u0111\u1ed5i t\u00f9y v\u1eadt li\u1ec7u)<\/li>\n<\/ul>\n\n\n\n

        V\u00ec v\u1eady, v\u1edbi v\u1eadt li\u1ec7u d\u00e0y 0.125 inch, r\u00e3nh V 1.0 inch (8\u00d7) l\u00e0 ti\u00eau chu\u1ea9n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra b\u00e1n k\u00ednh trong kho\u1ea3ng 0.16 inch. Kh\u00f4ng s\u1eafc b\u00e9n nh\u01b0ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n.<\/p>\n\n\n\n

        Gi\u1edd gi\u1ea3 s\u1eed b\u1ea1n b\u1ecf qua \u0111i\u1ec1u \u0111\u00f3 v\u00e0 ch\u1ecdn r\u00e3nh V 0.375 inch (3\u00d7 \u0111\u1ed9 d\u00e0y) \u0111\u1ec3 \u0111\u1ea1t b\u00e1n k\u00ednh 0.06 inch. Hai \u0111i\u1ec1u s\u1ebd x\u1ea3y ra:<\/p>\n\n\n\n

          \n
        1. L\u1ef1c y\u00eau c\u1ea7u tr\u00ean m\u1ed7i foot t\u0103ng m\u1ea1nh v\u00ec t\u1ea3i \u0111\u01b0\u1ee3c t\u1eadp trung tr\u00ean kho\u1ea3ng span nh\u1ecf h\u01a1n.<\/li>\n\n\n\n
        2. G\u00f3c tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh; v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ea1m \u0111\u00e1y s\u1edbm ho\u1eb7c b\u1ecb h\u1eb1n n\u1eb7ng \u1edf vai khu\u00f4n.<\/li>\n<\/ol>\n\n\n\n

          C\u00e1c h\u01b0\u1edbng d\u1eabn d\u1ee5ng c\u1ee5 c\u1ea3nh b\u00e1o r\u1eb1ng kh\u00f4ng n\u00ean ch\u1ecdn nh\u1ecf h\u01a1n kho\u1ea3ng 5\u00d7 \u0111\u1ed9 d\u00e0y \u0111\u1ed1i v\u1edbi u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y th\u00f4ng th\u01b0\u1eddng. D\u01b0\u1edbi m\u1ee9c \u0111\u00f3, b\u1ea1n kh\u00f4ng c\u00f2n \u1edf v\u00f9ng u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n n\u1eefa. B\u1ea1n \u0111ang li\u1ec1u l\u0129nh v\u1edbi t\u1ea3i ch\u1ea1m \u0111\u00e1y v\u00e0 qu\u00e1 t\u1ea3i d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

          \u0110\u00f3 l\u00e0 c\u00e1ch l\u00e0m g\u00e3y ch\u00e0y. Kh\u00f4ng ph\u1ea3i t\u1eeb m\u1ed9t l\u1ea7n u\u1ed1n \u201canh h\u00f9ng\u201d, m\u00e0 t\u1eeb vi\u1ec7c qu\u00e1 t\u1ea3i l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c t\u1ea5n tr\u00ean m\u1ed7i foot c\u1ee7a n\u00f3.<\/p>\n\n\n\n

          [Quy t\u1eafc h\u1ecdc vi\u1ec7c] Ch\u1ecdn \u0111\u1ed9 m\u1edf V d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh tr\u01b0\u1edbc; ch\u1ea5p nh\u1eadn b\u00e1n k\u00ednh m\u00e0 h\u00ecnh h\u1ecdc mang l\u1ea1i tr\u01b0\u1edbc khi c\u1ed1 \u00e9p g\u00f3c g\u1ea5p s\u1eafc h\u01a1n b\u1eb1ng s\u1ee9c m\u1ea1nh. Lu\u00f4n th\u1eed tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

          N\u1ebfu b\u1ea3n v\u1ebd th\u1ef1c s\u1ef1 y\u00eau c\u1ea7u b\u00e1n k\u00ednh trong s\u1eafc b\u1eb1ng ho\u1eb7c nh\u1ecf h\u01a1n \u0111\u1ed9 d\u00e0y, b\u1ea1n kh\u00f4ng \u201c\u0103n gian\u201d b\u1eb1ng r\u00e3nh V nh\u1ecf. B\u1ea1n ph\u1ea3i u\u1ed1n ch\u1ea1m \u0111\u00e1y v\u1edbi d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ecbu t\u1ea3i \u0111\u00f3, d\u1eadp (coin) v\u1edbi m\u00e1y \u0111\u1ee7 c\u00f4ng su\u1ea5t, ho\u1eb7c thay \u0111\u1ed5i thi\u1ebft k\u1ebf. \u0110i\u1ec1u thay \u0111\u1ed5i kh\u00f4ng ph\u1ea3i l\u00e0 tham v\u1ecdng c\u1ee7a b\u1ea1n, m\u00e0 l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac \u2014 u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y so v\u1edbi u\u1ed1n ch\u1ea1m \u0111\u00e1y \u2014 v\u00e0 \u0111i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i ho\u00e0n to\u00e0n to\u00e1n h\u1ecdc v\u1ec1 t\u1ea3i tr\u1ecdng.<\/p>\n\n\n\n

          V\u1eady khi b\u00e1n k\u00ednh ch\u00e0y v\u00e0 \u0111\u1ed9 r\u1ed9ng khu\u00f4n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh, \u0111i\u1ec1u g\u00ec gi\u1eef cho m\u00e9p g\u1ea5p 1.000 inch kh\u00f4ng l\u1ec7ch 0.035 tr\u00ean chi\u1ec1u d\u00e0i m\u01b0\u1eddi feet?<\/p>\n\n\n\n

          B\u01b0\u1edbc 2: C\u0103n ch\u1ec9nh th\u01b0\u1edbc ch\u1eb7n sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc m\u00e9p g\u1ea5p ch\u00ednh x\u00e1c<\/h3>\n\n\n\n

          Tr\u01b0\u1ee3t c\u00f9ng t\u1ea5m kim lo\u1ea1i d\u00e0y 0,125 inch v\u00e0o trong khu\u00f4n v\u00e0 \u0111\u1eb7t th\u01b0\u1edbc ch\u1eb7n sau \u1edf m\u1ee9c 1,000 inch. B\u1ea1n \u0111ang \u0111o t\u1eeb \u0111\u01b0\u1eddng t\u00e2m khu\u00f4n \u0111\u1ebfn c\u00e1c ng\u00f3n ch\u1eb7n. T\u1ed1t.<\/p>\n\n\n\n

          B\u00e2y gi\u1edd ki\u1ec3m tra khu\u00f4n c\u1ee7a b\u1ea1n: khe m\u1edf h\u00ecnh ch\u1eef V 1,0 inch.<\/p>\n\n\n\n

          \u0110\u00e2y l\u00e0 \u0111i\u1ec3m d\u1ec5 m\u1eafc b\u1eaby. Chi\u1ec1u d\u00e0i m\u00e9p g\u1ea5p t\u1ed1i thi\u1ec3u cho khu\u00f4n V ti\u00eau chu\u1ea9n th\u01b0\u1eddng ph\u1ea3i l\u1edbn h\u01a1n m\u1ed9t n\u1eeda chi\u1ec1u r\u1ed9ng khe m\u1edf V. V\u1edbi khu\u00f4n V 1,0 inch, con s\u1ed1 \u0111\u00f3 kho\u1ea3ng 0,500 inch. Ng\u1eafn h\u01a1n th\u00ec v\u1eadt li\u1ec7u s\u1ebd kh\u00f4ng c\u00f3 ph\u1ea7n c\u1ee9ng \u0111\u1ec3 t\u1ef1a v\u00e0o; n\u00f3 c\u00f3 th\u1ec3 l\u00fan v\u00e0o r\u00e3nh thay v\u00ec g\u1ea5p th\u00e0nh \u0111\u01b0\u1eddng s\u1ea1ch.<\/p>\n\n\n\n

          N\u1ebfu b\u1ea3n v\u1ebd y\u00eau c\u1ea7u m\u00e9p g\u1ea5p 0,400 inch, th\u01b0\u1edbc ch\u1eb7n sau c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ch\u00ednh x\u00e1c \u0111\u1ebfn m\u1ee9c laser m\u00e0 v\u1eabn th\u1ea5t b\u1ea1i. T\u1ea5m kim lo\u1ea1i s\u1ebd nghi\u00eang ho\u1eb7c s\u1ee5p v\u00e0o khu\u00f4n. H\u00ecnh h\u1ecdc v\u01b0\u1ee3t qua \u00fd \u0111\u1ecbnh.<\/p>\n\n\n\n

          C\u0103n ch\u1ec9nh th\u01b0\u1edbc ch\u1eb7n sau kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1eb7t m\u1ed9t con s\u1ed1. \u0110\u00f3 c\u00f2n l\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng con s\u1ed1 \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khu\u00f4n \u0111\u00e3 ch\u1ecdn \u1edf b\u01b0\u1edbc 1 h\u1ed7 tr\u1ee3 v\u1eadt l\u00fd th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

          B\u00e2y gi\u1edd \u0111\u1eb7t vu\u00f4ng t\u1ea5m kim lo\u1ea1i s\u00e1t c\u00e1c ng\u00f3n ch\u1eb7n v\u00e0 ki\u1ec3m tra \u0111\u1ed9 song song tr\u00ean b\u00e0n \u00e9p. N\u1ebfu thanh \u00e9p v\u00e0 b\u00e0n \u0111\u01b0\u1ee3c u\u1ed1n cong \u0111\u00fang \u0111\u1ec3 \u0111\u1ea1t t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n, s\u1ef1 xuy\u00ean s\u00e2u s\u1ebd \u0111\u1ec1u. N\u1ebfu kh\u00f4ng, ph\u1ea7n gi\u1eefa c\u00f3 th\u1ec3 m\u1edf ra t\u1eeb 1\u20133 \u0111\u1ed9 \u1edf c\u00e1c chi ti\u1ebft d\u00e0i. \u0110i\u1ec1u \u0111\u00f3 chuy\u1ec3n tr\u1ef1c ti\u1ebfp th\u00e0nh bi\u1ebfn thi\u00ean chi\u1ec1u d\u00e0i m\u00e9p g\u1ea5p v\u00ec sai l\u1ec7ch g\u00f3c l\u00e0m thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c chi\u1ebfu.<\/p>\n\n\n\n

          Tr\u00ean m\u00e9p g\u1ea5p 1 inch, sai s\u1ed1 m\u1ed9t \u0111\u1ed9 c\u00f3 th\u1ec3 l\u00e0m d\u1ecbch chuy\u1ec3n chi\u1ec1u d\u00e0i c\u1ea1nh v\u00e0i ph\u1ea7n ngh\u00ecn inch. Tr\u00ean \u0111o\u1ea1n d\u00e0i m\u01b0\u1eddi feet, \u0111i\u1ec1u \u0111\u00f3 s\u1ebd tr\u1edf n\u00ean th\u1ea5y r\u00f5 b\u1eb1ng m\u1eaft.<\/p>\n\n\n\n

          \u0110\u1eb7t th\u01b0\u1edbc ch\u1eb7n sau m\u00e0 kh\u00f4ng ki\u1ec3m tra chi\u1ec1u r\u1ed9ng khu\u00f4n v\u00e0 \u0111\u1ed9 cong (crowning) gi\u1ed1ng nh\u01b0 c\u0103n b\u00e1nh tr\u01b0\u1edbc c\u1ee7a xe t\u1ea3i trong khi b\u1ecf qua tr\u1ee5c b\u1ecb cong: c\u00e1c con s\u1ed1 tr\u00f4ng c\u00f3 v\u1ebb \u0111\u00fang, nh\u01b0ng xe v\u1eabn b\u1ecb l\u1ec7ch.<\/p>\n\n\n\n

          [Quy t\u1eafc H\u1ecdc vi\u00ean] Tr\u01b0\u1edbc khi tin v\u00e0o k\u00edch th\u01b0\u1edbc th\u01b0\u1edbc ch\u1eb7n sau, h\u00e3y x\u00e1c nh\u1eadn chi\u1ec1u r\u1ed9ng khu\u00f4n h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c m\u00e9p g\u1ea5p v\u00e0 \u0111\u1ed9 cong kh\u1edbp v\u1edbi t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i g\u1ea5p. Lu\u00f4n ki\u1ec3m tra \u0111i\u1ec1u n\u00e0y tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

          B\u1ea1n \u0111\u00e3 ch\u1ecdn h\u00ecnh h\u1ecdc. B\u1ea1n \u0111\u00e3 \u0111\u1eb7t \u0111i\u1ec3m d\u1eebng. Gi\u1edd b\u1ea1n cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c g\u1ea5p \u2014 nh\u01b0ng l\u00e0m sao ch\u1ec9nh g\u00f3c m\u00e0 kh\u00f4ng ph\u1ea3i \u0111o\u00e1n?<\/p>\n\n\n\n

          B\u01b0\u1edbc 3: Th\u1ef1c hi\u1ec7n g\u1ea5p th\u1eed v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i m\u00e0 kh\u00f4ng ph\u1ea3i \u0111o\u00e1n<\/h3>\n\n\n\n

          L\u1ea5y m\u1ed9t \u0111o\u1ea1n c\u1eaft 6 inch t\u1eeb c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u. C\u00f9ng h\u01b0\u1edbng th\u1edb. C\u00f9ng \u0111\u1ed9 d\u00e0y. C\u00f9ng d\u1ee5ng c\u1ee5. Th\u1ef1c hi\u1ec7n m\u1ed9t \u0111\u01b0\u1eddng g\u1ea5p air bend 90\u00b0 \u0111\u01a1n.<\/p>\n\n\n\n

          \u0110o b\u1eb1ng th\u01b0\u1edbc \u0111o g\u00f3c \u0111\u00e3 hi\u1ec7u chu\u1ea9n. Gi\u1ea3 s\u1eed k\u1ebft qu\u1ea3 l\u00e0 92\u00b0.<\/p>\n\n\n\n

          Hai \u0111\u1ed9 \u0111\u00f3 ch\u00ednh l\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i \u2014 s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i sau khi b\u1ecf t\u1ea3i. Th\u00e9p m\u1ec1m c\u00f3 th\u1ec3 h\u1ed3i l\u1ea1i 1\u20133 \u0111\u1ed9 trong g\u1ea5p air bend th\u00f4ng th\u01b0\u1eddng. Th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbn h\u01a1n.<\/p>\n\n\n\n

          Kh\u00f4ng \u201ct\u0103ng th\u00eam m\u1ed9t ch\u00fat\u201d.\u201d<\/p>\n\n\n\n

          Thay v\u00e0o \u0111\u00f3, \u0111\u1eb7t ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c \u0111\u1eb7t m\u1ee5c ti\u00eau \u1edf 88\u00b0 n\u1ebfu b\u1ea1n c\u1ea7n k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng l\u00e0 90\u00b0, v\u00ec kinh nghi\u1ec7m \u2014 v\u00e0 th\u1eed nghi\u1ec7m c\u1ee7a b\u1ea1n \u2014 cho th\u1ea5y v\u1eadt li\u1ec7u n\u00e0y h\u1ed3i l\u1ea1i 2\u00b0. B\u1ea1n \u0111ang c\u1ed1 \u00fd g\u1ea5p qu\u00e1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u00fang th\u00f4ng s\u1ed1 sau khi n\u00f3 ph\u1ee5c h\u1ed3i.<\/p>\n\n\n\n

          \u0110\u00e2y l\u00e0 n\u01a1i ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng m\u1eafc sai l\u1ea7m: h\u1ecd th\u1eed tr\u00ean chi ti\u1ebft d\u00e0i tr\u01b0\u1edbc. V\u1edbi nhi\u1ec1u \u0111\u01b0\u1eddng g\u1ea5p song song, h\u00e3y theo quy t\u1eafc \u201cm\u00e9p g\u1ea5p ng\u1eafn tr\u01b0\u1edbc\u201d. M\u00e9p ng\u1eafn kh\u00f3 \u0111i\u1ec1u khi\u1ec3n h\u01a1n v\u00e0 d\u1ec5 va ch\u1ea1m v\u1edbi d\u1ee5ng c\u1ee5 h\u01a1n. N\u1ebfu b\u1ea1n hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 h\u1ed3i l\u1ea1i tr\u00ean m\u00e9p d\u00e0i d\u1ec5 g\u1ea5p tr\u01b0\u1edbc, ph\u1ea7n m\u00e9p ng\u1eafn sau \u0111\u00f3 c\u00f3 th\u1ec3 va ho\u1eb7c bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

          Th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

          G\u1ea5p b\u1eb1ng kh\u00f4ng kh\u00ed th\u01b0\u1eddng c\u00f3 sai l\u1ec7ch kho\u1ea3ng \u00b11\u00b0 ngay c\u1ea3 tr\u00ean m\u00e1y \u00e9p CNC hi\u1ec7n \u0111\u1ea1i. N\u1ebfu dung sai c\u1ee7a b\u1ea1n ch\u1eb7t h\u01a1n m\u1ee9c \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n g\u1ea5p \u00e9p ho\u00e0n to\u00e0n v\u1edbi b\u1ed9 d\u1ee5ng c\u1ee5 kh\u1edbp nhau \u2014 v\u00e0 ph\u1ea3i t\u00ednh l\u1ea1i t\u1ea3i tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o trong gi\u1edbi h\u1ea1n d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

          \u0110i\u1ec1u anh th\u1ef1c s\u1ef1 c\u1ea7n l\u00e0 v\u1eadt l\u00fd kh\u00e1c.<\/p>\n\n\n\n

          \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng h\u00e0nh tr\u00ecnh v\u01b0\u1ee3t d\u1ef1a tr\u00ean \u0111\u1ed9 \u0111\u00e0n h\u1ed3i \u0111o \u0111\u01b0\u1ee3c, ch\u1ee9 kh\u00f4ng d\u1ef1a v\u00e0o c\u1ea3m gi\u00e1c b\u00e0n \u0111\u1ea1p. H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 ph\u00e2n b\u1ed5 phanh tr\u00ean m\u1ed9t chi\u1ebfc xe t\u1ea3i n\u1eb7ng: b\u1ea1n kh\u00f4ng \u0111\u1ea1p m\u1ea1nh h\u01a1n; b\u1ea1n ph\u00e2n b\u1ed5 \u00e1p su\u1ea5t sao cho c\u1ea3 hai tr\u1ee5c \u0111\u1ec1u chia s\u1ebb l\u1ef1c m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh v\u00e0 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

          [Quy t\u1eafc th\u1ef1c t\u1eadp] \u0110o g\u00f3c u\u1ed1n \u0111\u1ea7u ti\u00ean, t\u00ednh to\u00e1n \u0111\u1ed9 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i c\u1ea7n b\u00f9, v\u00e0 ch\u1ec9 thay \u0111\u1ed5i m\u1ed9t bi\u1ebfn s\u1ed1 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m; kh\u00f4ng bao gi\u1edd \u0111i\u1ec1u ch\u1ec9nh g\u00f3c theo c\u1ea3m gi\u00e1c. Lu\u00f4n th\u1eed nghi\u1ec7m tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

          Nh\u01b0ng n\u1ebfu b\u1ea3n v\u1ebd y\u00eau c\u1ea7u m\u1ed9t ph\u1ea7n m\u00e9p qu\u00e1 ng\u1eafn \u0111\u1ebfn m\u1ee9c m\u1ecdi ch\u1ec9nh s\u1eeda g\u00f3c \u0111\u1ec1u kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c th\u00ec sao?<\/p>\n\n\n\n

          Quy t\u1eafc M\u00e9p T\u1ed1i Thi\u1ec3u: T\u1ea1i sao m\u1ed9t s\u1ed1 u\u1ed1n nh\u1ecf l\u00e0 kh\u00f4ng th\u1ec3 v\u1ec1 m\u1eb7t v\u1eadt l\u00fd<\/h3>\n\n\n\n

          H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t t\u1ea5m th\u00e9p d\u00e0y 0,250 inch trong khu\u00f4n V r\u1ed9ng 2,0 inch. M\u1ed9t n\u1eeda khe V l\u00e0 1,0 inch. B\u1ea3n v\u1ebd y\u00eau c\u1ea7u m\u1ed9t m\u00e9p d\u00e0i 0,750 inch.<\/p>\n\n\n\n

          Khi ch\u00e0y \u0111i xu\u1ed1ng, t\u1ea5m th\u00e9p ti\u1ebfp x\u00fac v\u1edbi vai khu\u00f4n. Nh\u01b0ng ph\u1ea7n v\u1eadt li\u1ec7u b\u00ean ngo\u00e0i \u0111\u01b0\u1eddng u\u1ed1n \u2014 ph\u1ea7n m\u00e9p b\u1ea1n mu\u1ed1n \u2014 ng\u1eafn h\u01a1n kho\u1ea3ng \u0111\u1ee1. N\u00f3 kh\u00f4ng c\u00f3 n\u01a1i \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 t\u1ef1a. Thay v\u00ec t\u1ea1o \u0111\u01b0\u1ee3c m\u1ed9t g\u00f3c 90\u00b0 s\u1ea1ch s\u1ebd, n\u00f3 mu\u1ed1n xoay v\u00e0 tr\u01b0\u1ee3t v\u00e0o khe.<\/p>\n\n\n\n

          B\u1ea1n c\u00f3 th\u1ec3 k\u1eb9p ch\u1eb7t h\u01a1n. T\u0103ng l\u1ef1c \u00e9p. Gi\u1ea3m t\u1ed1c h\u00e0nh tr\u00ecnh. H\u00ecnh h\u1ecdc v\u1eabn kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n\n\n

          Trong ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n kh\u00f4ng kh\u00ed ti\u00eau chu\u1ea9n v\u1edbi khu\u00f4n \u0111\u00f3, ph\u1ea7n m\u00e9p n\u00e0y th\u1ea5p h\u01a1n m\u1ee9c \u1ed5n \u0111\u1ecbnh t\u1ed1i thi\u1ec3u. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 k\u1ef9 n\u0103ng. \u0110\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n

          B\u00e2y gi\u1edd \u2014 v\u00e0 \u0111\u00e2y l\u00e0 ch\u1ed7 s\u1ef1 tinh t\u1ebf quan tr\u1ecdng \u2014 c\u00f3 nh\u1eefng ngo\u1ea1i l\u1ec7. D\u1ee5ng c\u1ee5 chuy\u00ean bi\u1ec7t, nh\u01b0 khu\u00f4n vai h\u1eb9p ho\u1eb7c h\u1ec7 th\u1ed1ng u\u1ed1n quay, c\u00f3 th\u1ec3 \u0111\u1ee1 \u0111\u01b0\u1ee3c m\u00e9p ng\u1eafn h\u01a1n. U\u1ed1n \u0111\u00e1y v\u1edbi ch\u00e0y nh\u1ecdn \u0111\u00f4i khi c\u00f3 th\u1ec3 \u00e9p bu\u1ed9c h\u00ecnh d\u1ea1ng v\u1edbi t\u1ea3i tr\u1ecdng cao h\u01a1n. Nh\u01b0ng nh\u1eefng gi\u1ea3i ph\u00e1p \u0111\u00f3 y\u00eau c\u1ea7u l\u1ef1c l\u1edbn h\u01a1n ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 so v\u1edbi gi\u1edbi h\u1ea1n c\u1ee7a m\u00e1y v\u00e0 d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

          H\u1ea7u h\u1ebft m\u00e1y \u00e9p trong x\u01b0\u1edfng kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u00e9p vi\u00ean kh\u1ed1i (coining) v\u1edbi l\u1ef1c c\u1ef1c l\u1edbn tr\u00ean v\u1eadt li\u1ec7u d\u00e0y.<\/p>\n\n\n\n

          G\u1ecdi m\u1ecdi m\u00e9p ng\u1eafn l\u00e0 \u201ckh\u00f4ng th\u1ec3\u201d l\u00e0 l\u01b0\u1eddi bi\u1ebfng. G\u1ecdi m\u1ecdi m\u00e9p ng\u1eafn l\u00e0 \u201cl\u00e0m \u0111\u01b0\u1ee3c n\u1ebfu \u00e9p \u0111\u1ee7 m\u1ea1nh\u201d l\u00e0 nguy hi\u1ec3m. C\u00e2u h\u1ecfi \u0111\u00fang l\u00e0: khu\u00f4n t\u00f4i ch\u1ecdn c\u00f3 h\u1ed7 tr\u1ee3 v\u1ec1 m\u1eb7t v\u1eadt l\u00fd cho m\u00e9p n\u00e0y m\u00e0 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u1ee7a d\u1ee5ng c\u1ee5 ho\u1eb7c m\u00e1y kh\u00f4ng?<\/p>\n\n\n\n

          \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 suy ngh\u0129 d\u00f9ng s\u1ee9c m\u1ea1nh th\u00f4 b\u1ea1o. \u0110\u00f3 l\u00e0 ti\u1ebfp x\u00fac theo t\u00ednh to\u00e1n k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

          [Quy t\u1eafc th\u1ef1c t\u1eadp] N\u1ebfu chi\u1ec1u d\u00e0i m\u00e9p nh\u1ecf h\u01a1n m\u1ed9t n\u1eeda khe V, h\u00e3y gi\u1ea3 \u0111\u1ecbnh u\u1ed1n kh\u00f4ng kh\u00ed ti\u00eau chu\u1ea9n s\u1ebd kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c v\u00e0 \u0111\u00e1nh gi\u00e1 l\u1ea1i d\u1ee5ng c\u1ee5 ho\u1eb7c thi\u1ebft k\u1ebf tr\u01b0\u1edbc khi \u00e1p th\u00eam l\u1ef1c. Lu\u00f4n th\u1eed nghi\u1ec7m tr\u00ean ph\u1ebf li\u1ec7u tr\u01b0\u1edbc.<\/p>\n\n\n\n

          B\u00e2y gi\u1edd b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y m\u00f4 h\u00ecnh: b\u00e1n k\u00ednh ch\u00e0y \u0111\u01b0\u1ee3c ch\u1ecdn theo \u0111\u1ed9 d\u00e0y, chi\u1ec1u r\u1ed9ng khu\u00f4n \u0111\u01b0\u1ee3c ch\u1ecdn theo t\u1ec9 l\u1ec7 \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec3m t\u1ef1a l\u01b0ng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong gi\u1edbi h\u1ea1n h\u00ecnh h\u1ecdc, \u0111\u1ed9 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c \u0111o v\u00e0 b\u00f9 tr\u1eeb, v\u00e0 chi\u1ec1u d\u00e0i m\u00e9p \u0111\u01b0\u1ee3c ki\u1ec3m tra so v\u1edbi kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u1ee7a khu\u00f4n. Kh\u00f4ng c\u00f3 \u0111i\u1ec1u n\u00e0o l\u00e0 \u0111o\u00e1n m\u00f2.<\/p>\n\n\n\n

          V\u00e0 khi b\u1ea1n \u0111\u00e3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3 m\u1ed9t l\u1ea7n, c\u00e2u h\u1ecfi ti\u1ebfp theo s\u1ebd kh\u00f4ng c\u00f2n l\u00e0 \u201cT\u00f4i c\u1ea7n \u0111\u1eadp m\u1ea1nh \u0111\u1ebfn m\u1ee9c n\u00e0o?\u201d m\u00e0 s\u1ebd l\u00e0 \u201c\u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u00e1y ph\u00f9 h\u1ee3p cho c\u00f4ng vi\u1ec7c kh\u00f4ng?\u201d<\/p>\n\n\n\n

          Th\u1ee7y l\u1ef1c, CNC, hay Th\u1ee7 c\u00f4ng: Lo\u1ea1i m\u00e1y \u00e9p ch\u1ea5n n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi x\u01b0\u1edfng c\u1ee7a b\u1ea1n?<\/h2>\n\n\n\n

          B\u1ea1n \u0111\u00e3 thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng u\u1ed1n tr\u00ean gi\u1ea5y. Chi\u1ec1u r\u1ed9ng khu\u00f4n \u0111\u1ea1t y\u00eau c\u1ea7u. Chi\u1ec1u d\u00e0i m\u00e9p \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. L\u1ef1c \u00e9p tr\u00ean m\u1ed7i foot \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n.<\/p>\n\n\n\n

          B\u00e2y gi\u1edd c\u00e2u h\u1ecfi th\u1ef1c s\u1ef1: m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 cung c\u1ea5p l\u1ef1c \u0111\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u, l\u1eb7p l\u1ea1i, v\u00e0 kh\u00f4ng b\u1ecb xo\u1eafn v\u1eb7n nh\u01b0 b\u00e1nh quy xo\u1eafn kh\u00f4ng?<\/p>\n\n\n\n

          Lo\u1ea1i m\u00e1y kh\u00f4ng ph\u1ea3i l\u00e0 chuy\u1ec7n khoe khoang. \u0110\u00f3 l\u00e0 v\u1ec1 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u2014 b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng l\u1ef1c \u00e9p \u0111\u00e3 t\u00ednh to\u00e1n qua d\u1ee5ng c\u1ee5 \u0111\u00e3 ch\u1ecdn ch\u00ednh x\u00e1c \u0111\u1ebfn \u0111\u00e2u, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i n\u00f3 \u1ed5n \u0111\u1ecbnh trong su\u1ed1t m\u1ed9t ca, m\u1ed9t tu\u1ea7n, m\u1ed9t n\u0103m. M\u00e1y \u00e9p ch\u1ea5n gi\u1ed1ng nh\u01b0 h\u1ec7 th\u1ed1ng phanh tr\u00ean m\u1ed9t xe ben n\u1eb7ng: b\u00e0n \u0111\u1ea1p tr\u1edf n\u00ean v\u00f4 d\u1ee5ng n\u1ebfu c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng th\u1ee7y l\u1ef1c, xi-lanh ch\u00ednh v\u00e0 \u0111\u0129a phanh kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang k\u00edch th\u01b0\u1edbc cho t\u1ea3i b\u1ea1n mu\u1ed1n ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

          To h\u01a1n kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u1ed1t h\u01a1n. L\u1ecfng l\u1ebbo h\u01a1n th\u00ec lu\u00f4n t\u1ec7 h\u01a1n.<\/p>\n\n\n\n

          N\u1ebfu b\u1ea1n lo\u1ea1i b\u1ecf quy\u1ebft \u0111\u1ecbnh n\u00e0y kh\u1ecfi quy tr\u00ecnh, t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec ch\u00fang ta v\u1eeba thi\u1ebft k\u1ebf s\u1ebd s\u1ee5p \u0111\u1ed5 tr\u1edf l\u1ea1i th\u00e0nh \u0111o\u00e1n m\u00f2. V\u1eady n\u00ean, h\u00e3y c\u00f9ng xem t\u1eebng lo\u1ea1i th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p \u1edf \u0111\u00e2u \u2014 v\u00e0 \u1edf \u0111\u00e2u n\u00f3 \u00e2m th\u1ea7m ph\u00e1 ho\u1ea1i b\u1ea1n.<\/p>\n\n\n\n

          Khi n\u00e0o th\u00ec m\u1ed9t m\u00e1y u\u1ed1n tay r\u1ebb ti\u1ec1n th\u1ef1c s\u1ef1 \u201c\u0111\u1ee7 t\u1ed1t\u201d?<\/h3>\n\n\n\n

          M\u00e1y u\u1ed1n tay kh\u00f4ng ph\u1ea3i l\u00e0 m\u00e1y \u00e9p u\u1ed1n. N\u00f3 l\u00e0 m\u1ed9t thanh k\u1eb9p xoay quanh b\u1ea3n l\u1ec1 \u0111\u1ec3 g\u1ea5p t\u1ea5m m\u1ecfng.<\/p>\n\n\n\n

          \u0110i\u1ec1u \u0111\u00f3 quan tr\u1ecdng.<\/p>\n\n\n\n

          Kh\u00f4ng c\u00f3 ch\u00e0y xuy\u00ean v\u00e0o khu\u00f4n h\u00ecnh ch\u1eef V. Kh\u00f4ng c\u00f3 h\u00ecnh h\u1ecdc u\u1ed1n kh\u00ed \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n. Kh\u00f4ng c\u00f3 \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. B\u1ea1n k\u1eb9p, b\u1ea1n k\u00e9o, v\u1eadt li\u1ec7u b\u1ecb bi\u1ebfn d\u1ea1ng d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u1ee7 y\u1ebfu b\u1edfi \u00e1p l\u1ef1c k\u1eb9p v\u00e0 \u0111\u1ed9 d\u00e0y t\u1ea5m. N\u00f3 g\u1ea7n gi\u1ed1ng v\u1edbi vi\u1ec7c u\u1ed1n m\u1ed9t bi\u1ec3n s\u1ed1 xe tr\u00ean \u0111\u1ea7u g\u1ed1i b\u1ea1n h\u01a1n l\u00e0 t\u1ea1o ra h\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

          V\u1eady khi n\u00e0o th\u00ec n\u00f3 \u0111\u1ee7 t\u1ed1t?<\/p>\n\n\n\n

          Khi v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n m\u1ecfng \u2014 h\u00e3y ngh\u0129 \u0111\u1ebfn nh\u00f4m ho\u1eb7c th\u00e9p nh\u1eb9 d\u01b0\u1edbi kho\u1ea3ng 16 gauge. Khi dung sai c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u2014 ch\u00eanh l\u1ec7ch v\u00e0i \u0111\u1ed9 kh\u00f4ng l\u00e0m h\u1ecfng vi\u1ec7c l\u1eafp r\u00e1p. Khi chi ti\u1ebft nh\u1ecf v\u00e0 m\u00e9p g\u1ea5p r\u1ed9ng r\u00e3i. Khi kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 s\u1ef1 m\u1ecfi kh\u00f4ng len l\u1ecfi v\u00e0o \u0111\u00f4i tay b\u1ea1n v\u00e0 l\u00e0m sai l\u1ec7ch \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf chi ti\u1ebft th\u1ee9 m\u01b0\u1eddi.<\/p>\n\n\n\n

          V\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ed9 m\u1ea1nh. M\u00e0 l\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i. Vi\u1ec7c \u0111\u1eb7t l\u1ea1i b\u1eb1ng tay gi\u1eefa c\u00e1c l\u1ea7n u\u1ed1n s\u1ebd t\u1ea1o ra l\u1ed7i c\u1ed9ng d\u1ed3n. \u0110\u1ebfn l\u1ea7n u\u1ed1n th\u1ee9 n\u0103m, sai kh\u00e1c n\u1eeda \u0111\u1ed9 s\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng \u1edf m\u00e9p g\u1ea5p cu\u1ed1i c\u00f9ng. Kh\u00f4ng ph\u1ea3i v\u00ec b\u1ea1n y\u1ebfu. M\u00e0 v\u00ec d\u1ee5ng c\u1ee5 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 h\u00ecnh h\u1ecdc tham chi\u1ebfu n\u00e0o ngo\u00e0i thanh k\u1eb9p.<\/p>\n\n\n\n

          [Quy T\u1eafc H\u1ecdc Vi\u1ec7c] N\u1ebfu b\u1ea3n v\u1ebd c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u b\u00e1n k\u00ednh b\u00ean trong \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, dung sai g\u00f3c ch\u1eb7t ch\u1ebd, ho\u1eb7c h\u00ecnh h\u1ecdc nhi\u1ec1u l\u1ea7n u\u1ed1n c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i, th\u00ec m\u00e1y u\u1ed1n tay l\u00e0 sai v\u1ec1 m\u1eb7t v\u1eadt l\u00fd cho c\u00f4ng vi\u1ec7c. H\u00e3y lu\u00f4n th\u1eed nghi\u1ec7m \u0111i\u1ec1u n\u00e0y tr\u00ean v\u1eadt li\u1ec7u ph\u1ebf tr\u01b0\u1edbc.<\/p>\n\n\n\n

          \u201c\u0110\u1ee7 t\u1ed1t\u201d t\u1ed3n t\u1ea1i trong th\u1ebf gi\u1edbi c\u1ee7a nh\u1eefng h\u1ed9p \u0111\u01a1n gi\u1ea3n v\u00e0 n\u1eafp nh\u1eb9.<\/p>\n\n\n\n

          Ngay khi thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o ti\u1ebfp x\u00fac khu\u00f4n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, b\u1ea1n \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3.<\/p>\n\n\n\n

          L\u1ee3i th\u1ebf CNC: Ph\u1ea7n m\u1ec1m c\u00f3 ph\u1ea3i l\u00e0 s\u1ef1 phung ph\u00ed \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u kh\u00f4ng?<\/h3>\n\n\n\n

          M\u1ed9t m\u00e1y \u00e9p CNC hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 \u0111\u1ea1t dung sai u\u1ed1n theo u\u1ed1n m\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng th\u1ea5y d\u01b0\u1eddng nh\u01b0 kh\u00f4ng th\u1ec3 \u2014 \u0111\u00f4i khi trong ph\u1ea1m vi v\u00e0i ph\u1ea7n ngh\u00ecn v\u1ec1 v\u1ecb tr\u00ed v\u00e0 trong ph\u1ea1m vi m\u1ed9t \u0111\u1ed9 ho\u1eb7c \u00edt h\u01a1n v\u1ec1 g\u00f3c \u2014 b\u1edfi v\u00ec n\u00f3 \u0111o v\u00e0 ki\u1ec3m so\u00e1t v\u1ecb tr\u00ed h\u00e0nh tr\u00ecnh ch\u00ednh x\u00e1c m\u1ed7i l\u1ea7n.<\/p>\n\n\n\n

          \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u00e9p m\u00e0u. \u0110\u00f3 l\u00e0 ph\u1ea3n h\u1ed3i.<\/p>\n\n\n\n

          Trong khi m\u00e1y u\u1ed1n th\u1ee7 c\u00f4ng ho\u1eb7c th\u1ee7y l\u1ef1c c\u01a1 b\u1ea3n d\u1ef1a v\u00e0o c\u1ea3m gi\u00e1c c\u1ee7a b\u1ea1n \u0111\u1ec3 \u201cch\u1ea1m \u0111\u00e1y\u201d, th\u00ec h\u1ec7 th\u1ed1ng CNC ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e2u c\u1ee7a b\u00e0n \u00e9p theo s\u1ed1 li\u1ec7u v\u00e0 c\u00f3 th\u1ec3 b\u00f9 tr\u1eeb \u0111\u1ed9 \u0111\u00e0n h\u1ed3i b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh h\u00e0nh tr\u00ecnh v\u01b0\u1ee3t m\u1ee9c theo t\u1eebng b\u01b0\u1edbc \u0111o. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng th\u1eadm ch\u00ed c\u00f2n gi\u00e1m s\u00e1t \u0111\u1ed9 l\u1ec7ch v\u00e0 t\u1ef1 \u0111\u1ed9ng \u00e1p d\u1ee5ng hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 v\u1ed3ng. \u0110\u00f3 l\u00e0 s\u1ef1 hi\u1ec7u ch\u1ec9nh c\u00f3 t\u00ednh k\u1ef9 thu\u1eadt, kh\u00f4ng ph\u1ea3i theo b\u1ea3n n\u0103ng.<\/p>\n\n\n\n

          H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 h\u1ec7 th\u1ed1ng phanh ch\u1ed1ng b\u00f3 c\u1ee9ng tr\u00ean xe t\u1ea3i: thay v\u00ec hy v\u1ecdng b\u00e0n ch\u00e2n b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u00e1p l\u1ef1c ho\u00e0n h\u1ea3o tr\u00ean \u0111\u00e1 v\u1ee5n, c\u00e1c c\u1ea3m bi\u1ebfn \u0111i\u1ec1u ch\u1ec9nh \u00e1p l\u1ef1c h\u00e0ng ngh\u00ecn l\u1ea7n m\u1ed7i gi\u00e2y \u0111\u1ec3 \u0111\u1ed9 b\u00e1m v\u1eabn c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. C\u00f9ng t\u1ea3i. Ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

          V\u1eady li\u1ec7u n\u00f3 c\u00f3 ph\u1ea3i l\u00e0 qu\u00e1 m\u1ee9c cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u kh\u00f4ng?<\/p>\n\n\n\n

          N\u1ebfu b\u1ea1n \u0111ang ch\u1ebf t\u1ea1o gi\u00e1 \u0111\u1ee1 \u0111\u01a1n l\u1ebb trong gara, th\u00ec c\u00f3. M\u00e1y s\u1ebd v\u01b0\u1ee3t xa quy tr\u00ecnh c\u1ee7a b\u1ea1n. Nh\u01b0ng n\u1ebfu b\u1ea1n \u0111ang s\u1ea3n xu\u1ea5t c\u00e1c chi ti\u1ebft c\u1ea7n ho\u00e1n \u0111\u1ed5i v\u1edbi nhau \u2014 v\u1ecf h\u1ed9p, th\u00e0nh ph\u1ea7n khung, b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec c\u00f3 c\u00e1c m\u00e9p song song x\u1ebfp ch\u1ed3ng \u2014 CNC kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u1ed1c \u0111\u1ed9. \u0110\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c lo\u1ea1i b\u1ecf s\u1ef1 bi\u1ebfn thi\u00ean c\u1ee7a con ng\u01b0\u1eddi kh\u1ecfi qu\u00e1 tr\u00ecnh t\u00e1c d\u1ee5ng l\u1ef1c m\u00e0 ch\u00fang ta \u0111\u00e3 t\u00ednh to\u00e1n s\u1eb5n.<\/p>\n\n\n\n

          S\u1ef1 th\u1eadt kh\u00f3 ch\u1ea5p nh\u1eadn l\u00e0: ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c l\u1ee3i t\u1eeb CNC nhi\u1ec1u h\u01a1n so v\u1edbi ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m. M\u00e1y \u00e9p bu\u1ed9c t\u00ednh nh\u1ea5t qu\u00e1n trong khi b\u1ea1n v\u1eabn \u0111ang h\u1ecdc c\u00e1ch \u1ee9ng x\u1eed c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

          [Quy T\u1eafc H\u1ecdc Vi\u1ec7c] N\u1ebfu ch\u1ed3ng dung sai c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 s\u00e2u b\u00e0n \u00e9p \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ecbnh v\u1ecb g\u00e1 sau c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i, th\u00ec \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng ph\u1ea7n m\u1ec1m kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 xa x\u1ec9 \u2014 \u0111\u00f3 l\u00e0 s\u1ef1 \u0111\u1ea3m b\u1ea3o. H\u00e3y lu\u00f4n th\u1eed nghi\u1ec7m \u0111i\u1ec1u n\u00e0y tr\u00ean v\u1eadt li\u1ec7u ph\u1ebf tr\u01b0\u1edbc.<\/p>\n\n\n\n

          Nh\u01b0ng ki\u1ec3m so\u00e1t m\u00e0 kh\u00f4ng \u0111\u1ee7 n\u0103ng l\u1ef1c th\u00ec v\u1eabn l\u00e0 th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n

          \u0110i\u1ec1u \u0111\u00f3 \u0111\u01b0a ch\u00fang ta \u0111\u1ebfn ph\u1ea7n m\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng hi\u1ec3u sai.<\/p>\n\n\n\n

          Kh\u1edbp c\u00f4ng su\u1ea5t m\u00e1y v\u1edbi c\u00e1c v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a b\u1ea1n v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai<\/h3>\n\n\n\n

          Nh\u00e3n ghi t\u1ea5n l\u1ef1c \u1edf b\u00ean c\u1ea1nh m\u00e1y ch\u1ea5n cho b\u1ea1n bi\u1ebft l\u1ef1c t\u1ed1i \u0111a. N\u00f3 kh\u00f4ng cho b\u1ea1n bi\u1ebft \u0111\u1ed9 ch\u00ednh x\u00e1c s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

          B\u1ea1n \u0111\u00e3 t\u00ednh, v\u00ed d\u1ee5, 60 t\u1ea5n cho m\u1ed9t l\u1ea7n ch\u1ea5n. T\u1ed1t th\u00f4i. Nh\u01b0ng li\u1ec7u \u0111\u00f3 c\u00f3 ph\u1ea3i tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i l\u00e0m vi\u1ec7c kh\u00f4ng? V\u1edbi \u0111\u1ed9 r\u1ed9ng khu\u00f4n bao nhi\u00eau? V\u1edbi \u0111\u1ed9 v\u00f5ng th\u1ebf n\u00e0o? M\u1ed9t m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c khung nh\u1eb9 b\u1ecb \u0111\u1ea9y g\u1ea7n gi\u1edbi h\u1ea1n \u0111\u1ecbnh m\u1ee9c c\u00f3 th\u1ec3 b\u1ecb v\u00f5ng \u1edf gi\u1eefa, l\u00e0m m\u1edf g\u00f3c ch\u1ea5n l\u00ean m\u1ed9t ho\u1eb7c hai \u0111\u1ed9 \u0111\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft d\u00e0i. C\u00f9ng m\u1ed9t con s\u1ed1. K\u1ebft qu\u1ea3 kh\u00e1c nhau.<\/p>\n\n\n\n

          \u0110\u1ed9 c\u1ee9ng c\u1ee7a khung, chi\u1ec1u d\u00e0i b\u00e0n v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o v\u00f2m \u0111\u1ec1u quan tr\u1ecdng nh\u01b0 t\u1ea5n l\u1ef1c th\u00f4.<\/p>\n\n\n\n

          N\u1ebfu ph\u1ea7n l\u1edbn c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n l\u00e0 nh\u00f4m 0,090 inch d\u01b0\u1edbi b\u1ed1n feet chi\u1ec1u r\u1ed9ng, th\u00ec m\u1ed9t m\u00e1y ch\u1ea5n 300 t\u1ea5n, d\u00e0i 14 feet l\u00e0 kim lo\u1ea1i th\u1eeba. N\u00f3 s\u1ebd kh\u00f4ng bao gi\u1edd ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi \u0111i\u1ec1u khi\u1ec3n t\u1ed1i \u01b0u c\u1ee7a n\u00f3. N\u1ebfu b\u1ea1n d\u1ef1 \u0111\u1ecbnh ph\u00e1t tri\u1ec3n l\u00ean th\u00e9p m\u1ed9t ph\u1ea7n t\u01b0 inch \u1edf chi\u1ec1u d\u00e0i m\u01b0\u1eddi feet, th\u00ec chi\u1ebfc m\u00e1y ch\u1ea5n 40 t\u1ea5n cho s\u1edf th\u00edch s\u1ebd tr\u1edf th\u00e0nh g\u00e1nh n\u1eb7ng ngay l\u1ea7n \u0111\u1ea7u b\u1ea1n c\u1ed1 g\u1eafng l\u00e0m \u0111\u00fang b\u1ea3n v\u1ebd th\u1eadt.<\/p>\n\n\n\n

          C\u00f4ng su\u1ea5t n\u00ean ph\u00f9 h\u1ee3p tho\u1ea3i m\u00e1i v\u1edbi 80 ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n \u2014 kh\u00f4ng ph\u1ea3i v\u1eeba \u0111\u1ee7 \u2014 v\u00e0 c\u00f3 kho\u1ea3ng tr\u1ed1ng cho 20 ph\u1ea7n tr\u0103m c\u00f4ng vi\u1ec7c th\u1eed th\u00e1ch.<\/p>\n\n\n\n

          C\u0169ng c\u00f3 m\u1ed9t ph\u00e9p ki\u1ec3m tra t\u00ednh trung th\u1ef1c \u1edf \u0111\u00e2y. M\u00e1y u\u1ed1n t\u1ea5m c\u00f3 th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi m\u00e1y ch\u1ea5n trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t c\u00e1c t\u1ea5m ph\u1eb3ng v\u00ec ch\u00fang c\u00f3 th\u1ec3 k\u1eb9p v\u00e0 t\u1ea1o nhi\u1ec1u \u0111\u01b0\u1eddng ch\u1ea5n trong m\u1ed9t l\u1ea7n thi\u1ebft l\u1eadp, nh\u01b0ng ch\u00fang g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi m\u00e9p g\u1eadp, ch\u1ea5n l\u1ec7ch v\u00e0 h\u00ecnh h\u1ecdc kh\u00f4ng vu\u00f4ng g\u00f3c. M\u00e1y ch\u1ea5n v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 \u0111a n\u0103ng m\u1ea1nh m\u1ebd cho c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p. V\u00ec v\u1eady con \u0111\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o th\u1ee9 b\u1ea1n th\u1ef1c s\u1ef1 ch\u1ebf t\u1ea1o, kh\u00f4ng ph\u1ea3i th\u1ee9 tr\u00f4ng \u1ea5n t\u01b0\u1ee3ng trong ph\u00f2ng tr\u01b0ng b\u00e0y.<\/p>\n\n\n\n

          Mua v\u00ec s\u0129 di\u1ec7n l\u00e0 t\u1ed1n k\u00e9m.<\/p>\n\n\n\n

          Mua theo h\u00ecnh h\u1ecdc ph\u00f9 h\u1ee3p l\u00e0 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

          [Quy t\u1eafc h\u1ecdc vi\u1ec7c] H\u00e3y ch\u1ecdn m\u1ed9t m\u00e1y ch\u1ea5n c\u00f3 t\u1ea5n l\u1ef1c \u0111\u1ecbnh m\u1ee9c, chi\u1ec1u d\u00e0i l\u00e0m vi\u1ec7c v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u01b0\u1ee3t tho\u1ea3i m\u00e1i nhu c\u1ea7u t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n cho v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t \u2014 kh\u00f4ng ph\u1ea3i cho c\u00f4ng vi\u1ec7c gi\u1ea3 \u0111\u1ecbnh n\u1eb7ng nh\u1ea5t. Lu\u00f4n th\u1eed \u0111i\u1ec1u n\u00e0y tr\u00ean v\u1eadt li\u1ec7u ph\u1ebf tr\u01b0\u1edbc.<\/p>\n\n\n\n

          Ngay c\u1ea3 m\u00e1y \u0111\u00fang c\u0169ng c\u00f3 gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n

          V\u00e0 vi\u1ec7c bi\u1ebft khi n\u00e0o KH\u00d4NG n\u00ean d\u00f9ng m\u00e1y ch\u1ea5n n\u1eefa ch\u00ednh l\u00e0 b\u00e0i h\u1ecdc ti\u1ebfp theo b\u1ea1n s\u1ebd c\u1ea7n.<\/p>\n\n\n\n

          Gi\u1edbi h\u1ea1n c\u1ee9ng: Khi n\u00e0o n\u00ean t\u1eeb b\u1ecf m\u1ed9t c\u00f4ng \u0111o\u1ea1n ch\u1ea5n<\/h2>\n\n\n\n

          B\u1ea1n d\u1eebng vi\u1ec7c c\u1ed1 l\u00e0m cho m\u00e1y ch\u1ea5n ho\u1ea1t \u0111\u1ed9ng ngay khi h\u00ecnh d\u1ea1ng chi ti\u1ebft kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t c\u00fa \u0111\u1ea5m \u0111i xu\u1ed1ng trong khu\u00f4n.<\/p>\n\n\n\n

          Nghe c\u00f3 v\u1ebb hi\u1ec3n nhi\u00ean. Nh\u01b0ng kh\u00f4ng ph\u1ea3i v\u1eady. T\u00f4i \u0111\u00e3 th\u1ea5y nh\u1eefng ng\u01b0\u1eddi r\u1ea5t th\u00f4ng minh t\u0103ng g\u1ea5p \u0111\u00f4i t\u1ea5n l\u1ef1c, l\u1eadp tr\u00ecnh l\u1ea1i CNC v\u00e0 thay khu\u00f4n ba l\u1ea7n ch\u1ec9 v\u00ec \u201ctr\u00ean l\u00fd thuy\u1ebft\u201d \u0111\u01b0\u1eddng ch\u1ea5n ph\u1ea3i \u0111\u00f3ng l\u1ea1i. Th\u1ee9 h\u1ecd \u0111ang ch\u1ed1ng l\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1c. M\u00e0 l\u00e0 h\u00ecnh d\u1ea1ng. M\u00e1y ch\u1ea5n l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ea5m v\u00e0 khu\u00f4n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u2014 gi\u1ed1ng nh\u01b0 h\u1ec7 th\u1ed1ng phanh tr\u00ean m\u1ed9t xe t\u1ea3i n\u1eb7ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n l\u1ef1c qua c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac nh\u1ea5t \u0111\u1ecbnh \u2014 v\u00e0 khi h\u00ecnh h\u1ecdc ti\u1ebfp x\u00fac bi\u1ebfn m\u1ea5t, b\u1ea1n ch\u1ec9 \u0111ang \u0111\u1ea9y mi\u1ebfng kim lo\u1ea1i v\u00e0 hy v\u1ecdng n\u00f3 nghe l\u1eddi.<\/p>\n\n\n\n

          \u0110i\u1ec1u duy nh\u1ea5t b\u1ea1n n\u00ean ghi nh\u1edb l\u00e0: h\u00ecnh h\u1ecdc quy\u1ebft \u0111\u1ecbnh m\u00e1y tr\u01b0\u1edbc khi t\u1ea5n l\u1ef1c l\u00e0m \u0111i\u1ec1u \u0111\u00f3. \u0110i\u1ec1u n\u00e0y kh\u00f4ng hi\u1ec3n nhi\u00ean v\u00ec h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng \u0111\u1ec1u \u0111\u1ed5 l\u1ed7i cho th\u1ea5t b\u1ea1i l\u00e0 do \u201ckh\u00f4ng \u0111\u1ee7 c\u00f4ng su\u1ea5t\u201d ho\u1eb7c \u201ckh\u00f4ng \u0111\u1ee7 \u0111i\u1ec1u khi\u1ec3n.\u201d \u0110i\u1ec1u h\u1ecd th\u1ef1c s\u1ef1 c\u1ea7n l\u00e0 m\u1ed9t nguy\u00ean l\u00fd v\u1eadt l\u00fd kh\u00e1c.<\/p>\n\n\n\n

          V\u1eady l\u00e0m sao b\u1ea1n nh\u1eadn ra kho\u1ea3nh kh\u1eafc \u0111\u00f3 s\u1edbm thay v\u00ec sau khi \u0111\u00e3 l\u00e0m h\u1ecfng ba t\u1ea5m ph\u00f4i?<\/p>\n\n\n\n

          T\u1ea5m ph\u1eb3ng so v\u1edbi \u1ed1ng v\u00e0 \u1ed1ng tr\u00f2n: T\u1ea1i sao h\u00ecnh h\u1ecdc lu\u00f4n quy\u1ebft \u0111\u1ecbnh lo\u1ea1i m\u00e1y<\/h3>\n\n\n\n

          M\u00e1y ch\u1ea5n gi\u1ea3 \u0111\u1ecbnh v\u1eadt li\u1ec7u ph\u1eb3ng \u0111\u1eb7t tr\u00ean khu\u00f4n h\u00ecnh V, \u0111\u01b0\u1ee3c \u0111\u1ee1 b\u1edfi hai \u0111\u01b0\u1eddng, v\u1edbi m\u1ed9t ch\u00e0y t\u1ea1o th\u00e0nh \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac th\u1ee9 ba. Ba \u0111\u01b0\u1eddng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng ch\u1ea5n. \u0110\u00f3 l\u00e0 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

          Ngay khi b\u1ea1n \u0111\u01b0a \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn v\u00e0o, b\u1ea1n \u0111\u00e3 m\u1ea5t hai trong s\u1ed1 nh\u1eefng \u0111\u01b0\u1eddng \u0111\u00f3. V\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c u\u1ed1n cong s\u1eb5n. N\u00f3 kh\u00f4ng th\u1ec3 n\u1eb1m ph\u1eb3ng trong khu\u00f4n. Ti\u1ebfp x\u00fac tr\u1edf th\u00e0nh \u0111i\u1ec3m ch\u1ecbu t\u1ea3i v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh, v\u00e0 th\u00e0nh \u1ed1ng c\u00f3 xu h\u01b0\u1edbng b\u1ecb m\u00e9o thay v\u00ec t\u1ea1o ra b\u00e1n k\u00ednh u\u1ed1n m\u01b0\u1ee3t. C\u1ed1 g\u1eafng u\u1ed1n \u1ed1ng b\u1eb1ng m\u00e1y ch\u1ea5n gi\u1ed1ng nh\u01b0 c\u1ed1 n\u1eafn th\u1eb3ng thanh th\u00e9p g\u00e2n b\u1eb1ng \u00ea-t\u00f4 \u2014 c\u00f4ng c\u1ee5 kh\u00f4ng sai, n\u00f3 ch\u1ec9 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho ti\u1ebft di\u1ec7n tr\u00f2n.<\/p>\n\n\n\n

          B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t v\u1ebft l\u00f5m. Nh\u01b0ng b\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 cong \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

          C\u00e1c l\u1ed7 v\u00e0 r\u00e3nh tr\u00ean t\u1ea5m ph\u1eb3ng t\u1ea1o ra c\u00f9ng v\u1ea5n \u0111\u1ec1 theo c\u00e1ch \u00e2m th\u1ea7m h\u01a1n. Khu\u00f4n mong \u0111\u1ee3i c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 li\u00ean t\u1ee5c d\u01b0\u1edbi \u0111\u01b0\u1eddng u\u1ed1n. N\u1ebfu c\u1eaft m\u1ed9t r\u00e3nh qu\u00e1 g\u1ea7n ho\u1eb7c \u0111\u1ee5c l\u1ed7 xuy\u00ean qua v\u00f9ng u\u1ed1n, b\u1ea1n \u0111\u00e3 l\u00e0m y\u1ebfu ti\u1ebft di\u1ec7n ngay t\u1ea1i n\u01a1i \u1ee9ng su\u1ea5t \u0111\u1ea1t \u0111\u1ec9nh. C\u00fa d\u1eadp \u0111i xu\u1ed1ng, \u1ee9ng su\u1ea5t t\u1eadp trung t\u1ea1i m\u00e9p ch\u1ed7 c\u1eaft, v\u00e0 c\u00e1c v\u1ebft n\u1ee9t b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n. B\u1ea3n v\u1ebd ghi \u201cu\u1ed1n 90 \u0111\u01a1n gi\u1ea3n.\u201d H\u00ecnh h\u1ecdc n\u00f3i \u201cn\u1ee9t g\u00e3y.\u201d<\/p>\n\n\n\n

          B\u00e2y gi\u1edd h\u00e3y t\u1ef1 h\u1ecfi: n\u1ebfu b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u1ecb gi\u00e1n \u0111o\u1ea1n ho\u1eb7c cong tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u00f3 c\u00f2n \u0111ang v\u1eadn h\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng ch\u00e0y v\u00e0 khu\u00f4n n\u1eefa kh\u00f4ng?<\/p>\n\n\n\n

          [Quy t\u1eafc Th\u1ef1c t\u1eadp sinh] N\u1ebfu v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n kh\u00f4ng th\u1ec3 n\u1eb1m ph\u1eb3ng v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ee1 ho\u00e0n to\u00e0n tr\u00ean vai khu\u00f4n trong to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i u\u1ed1n, th\u00ec b\u1ea1n \u0111ang y\u00eau c\u1ea7u m\u00e1y ch\u1ea5n th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c c\u1ee7a m\u1ed9t lo\u1ea1i m\u00e1y kh\u00e1c. Lu\u00f4n ki\u1ec3m tra \u0111i\u1ec1u n\u00e0y v\u1edbi ph\u00f4i th\u1eed tr\u01b0\u1edbc.<\/p>\n\n\n\n

          Nh\u01b0ng t\u1ea5m ph\u1eb3ng v\u1eabn l\u00e0 t\u1ea5m ph\u1eb3ng, \u0111\u00fang kh\u00f4ng?<\/p>\n\n\n\n

          B\u00e1n k\u00ednh u\u1ed1n ch\u1eb7t, h\u1ed9p h\u00ecnh ph\u1ee9c t\u1ea1p, v\u00e0 s\u1ea3n xu\u1ea5t l\u1eb7p l\u1ea1i: \u0110i\u1ec3m ng\u1ecdt c\u1ee7a m\u00e1y ch\u1ea5n<\/h3>\n\n\n\n

          \u0110\u00e2y l\u00e0 ch\u1ed7 h\u1ecdc vi\u00ean m\u1edbi th\u01b0\u1eddng b\u1ed1i r\u1ed1i. B\u00e1n k\u00ednh nh\u1ecf v\u00e0 h\u1ed9p nhi\u1ec1u n\u1ebfp u\u1ed1n tr\u00f4ng ph\u1ee9c t\u1ea1p, n\u00ean h\u1ecd cho r\u1eb1ng m\u00e1y ch\u1ea5n l\u00e0 c\u00f4ng c\u1ee5 sai.<\/p>\n\n\n\n

          Th\u1ef1c ra th\u00ec ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n

          M\u00e1y ch\u1ea5n th\u1ec3 hi\u1ec7n \u01b0u th\u1ebf khi b\u1ea1n c\u1ea7n b\u00e1n k\u00ednh trong \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, g\u00f3c u\u1ed1n l\u1eb7p l\u1ea1i v\u00e0 chi\u1ec1u d\u00e0i c\u1ea1nh \u0111\u1ed3ng \u0111\u1ec1u qua h\u00e0ng ch\u1ee5c ho\u1eb7c h\u00e0ng tr\u0103m chi ti\u1ebft. Ph\u01b0\u01a1ng ph\u00e1p d\u1eadp ch\u1ea1m ho\u1eb7c \u00e9p s\u00e2u \u2014 \u0111\u01b0a ch\u00e0y xu\u1ed1ng s\u00e2u h\u01a1n \u0111\u1ec3 bu\u1ed9c v\u1eadt li\u1ec7u u\u1ed1n s\u00e1t theo b\u00e1n k\u00ednh x\u00e1c \u0111\u1ecbnh \u2014 gi\u00fap gi\u1ea3m \u0111\u1ed9 \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c v\u00e0 si\u1ebft ch\u1eb7t dung sai. \u0110\u00f3 l\u00e0 ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 thu\u1eadt. N\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c si\u1ebft \u0111\u1ea7u xi-lanh b\u1eb1ng c\u1ea7n l\u1ef1c \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n thay v\u00ec \u0111o\u00e1n m\u00f2 b\u1eb1ng thanh b\u1ea9y; b\u1ea1n \u0111ang ki\u1ec3m so\u00e1t v\u1ecb tr\u00ed cu\u1ed1i c\u00f9ng, kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n t\u00e1c d\u1ee5ng l\u1ef1c.<\/p>\n\n\n\n

          Nh\u01b0ng ngay c\u1ea3 \u1edf \u0111\u00e2y c\u0169ng c\u00f3 gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n

          Chi\u1ec1u d\u00e0i m\u00e9p (flange) t\u1ed1i thi\u1ec3u r\u1ea5t quan tr\u1ecdng. N\u1ebfu m\u00e9p qu\u00e1 ng\u1eafn \u0111\u1ec3 tr\u1ea3i qua ph\u1ea7n l\u1edbn khe khu\u00f4n, chi ti\u1ebft s\u1ebd nghi\u00eang, xo\u1eafn ho\u1eb7c b\u1ecb nghi\u1ec1n. Khu\u00f4n kh\u00f4ng th\u1ec3 \u0111\u1ee1 \u0111\u01b0\u1ee3c n\u00f3. B\u1ea1n s\u1ebd ph\u1ea3i ch\u1ec9nh g\u00f3c su\u1ed1t c\u1ea3 ng\u00e0y v\u00e0 \u0111\u1ed5 l\u1ed7i cho m\u00e1y. Th\u1ef1c t\u1ebf, v\u1ea5n \u0111\u1ec1 l\u00e0 m\u00e9p kh\u00f4ng cung c\u1ea5p \u0111\u1ee7 di\u1ec7n t\u00edch cho khu\u00f4n l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n

          Ti\u1ebfp theo l\u00e0 c\u00e1c h\u1ed9p k\u00edn.<\/p>\n\n\n\n

          B\u1ea1n u\u1ed1n ba m\u1eb7t. M\u1eb7t th\u1ee9 t\u01b0 nh\u00ecn tr\u00ean b\u1ea3n v\u1ebd c\u00f3 v\u1ebb d\u1ec5. Nh\u01b0ng th\u1ef1c t\u1ebf, c\u00e1c m\u00e9p \u0111\u00e3 u\u1ed1n tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd va v\u00e0o th\u00e2n ch\u00e0y ho\u1eb7c khung m\u00e1y tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh n\u1ebfp u\u1ed1n cu\u1ed1i c\u00f9ng. \u0110\u00f4i khi c\u00f3 th\u1ec3 d\u00f9ng ch\u00e0y c\u1ed5 ng\u1ed7ng ho\u1eb7c d\u1ee5ng c\u1ee5 u\u1ed1n t\u1eebng giai \u0111o\u1ea1n, nh\u01b0ng lu\u00f4n c\u00f3 m\u1ed9t kh\u00f4ng gian v\u1eadt l\u00fd gi\u1edbi h\u1ea1n trong m\u1ed7i m\u00e1y ch\u1ea5n. Khi chi ti\u1ebft v\u01b0\u1ee3t ra ngo\u00e0i gi\u1edbi h\u1ea1n \u0111\u00f3, b\u1ea1n ph\u1ea3i d\u1eebng l\u1ea1i. Kh\u00f4ng c\u00f3 b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m n\u00e0o c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 s\u00e2u c\u1ed5 h\u1ecdng hay chi\u1ec1u cao m\u1edf m\u00e1y.<\/p>\n\n\n\n

          V\u00ec v\u1eady, \u0111i\u1ec3m ng\u1ecdt n\u1eb1m \u1edf h\u00ecnh h\u1ecdc ch\u00ednh x\u00e1c c\u1ee7a t\u1ea5m ph\u1eb3ng c\u00f3 th\u1ec3 di chuy\u1ec3n \u0111\u01b0\u1ee3c trong kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y m\u00e0 kh\u00f4ng va ch\u1ea1m v\u1edbi n\u00f3.<\/p>\n\n\n\n

          \u0110i\u1ec1u \u0111\u00f3 d\u1eabn \u0111\u1ebfn c\u00e2u h\u1ecfi th\u1ef1c s\u1ef1: n\u1ebfu h\u00ecnh h\u1ecdc c\u1ee7a chi ti\u1ebft xung \u0111\u1ed9t v\u1edbi gi\u1edbi h\u1ea1n n\u00e0y, b\u1ea1n s\u1ebd ch\u1ecdn c\u00f4ng c\u1ee5 n\u00e0o thay th\u1ebf?<\/p>\n\n\n\n

          Khi m\u00e1y u\u1ed1n \u0111i\u1ec3m, m\u00e1y u\u1ed1n \u1ed1ng, ho\u1eb7c m\u00e1y c\u00e1n th\u1ef1c s\u1ef1 l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh h\u01a1n<\/h3>\n\n\n\n

          N\u1ebfu \u0111\u1eb7c tr\u01b0ng ch\u00ednh c\u1ee7a chi ti\u1ebft l\u00e0 \u0111\u1ed9 cong li\u00ean t\u1ee5c d\u1ecdc chi\u1ec1u d\u00e0i \u2014 m\u1ed9t cung tr\u01a1n, kh\u00f4ng ph\u1ea3i m\u1ed9t \u0111\u01b0\u1eddng u\u1ed1n \u0111\u01a1n \u2014 th\u00ec m\u00e1y c\u00e1n l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t. C\u00e1c tr\u1ee5c c\u00e1n h\u1ed7 tr\u1ee3 v\u1eadt li\u1ec7u m\u1ed9t c\u00e1ch d\u1ea7n d\u1ea7n v\u00e0 ph\u00e2n b\u1ed1 bi\u1ebfn d\u1ea1ng theo chi\u1ec1u d\u00e0i. M\u00e1y ch\u1ea5n t\u1eadp trung l\u1ef1c t\u1ea1i m\u1ed9t \u0111\u01b0\u1eddng duy nh\u1ea5t. \u00c9p m\u1ed9t b\u00e1n k\u00ednh d\u00e0i b\u1eb1ng m\u00e1y ch\u1ea5n th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p \u201cbump-bending\u201d l\u00e0 c\u00f3 th\u1ec3, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 ph\u00e9p g\u1ea7n \u0111\u00fang. N\u00f3 gi\u1ed1ng nh\u01b0 c\u1ed1 gia c\u00f4ng tr\u1ee5c tr\u00f2n b\u1eb1ng gi\u0169a; b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t g\u1ea7n, nh\u01b0ng b\u1ea3n th\u00e2n qu\u00e1 tr\u00ecnh \u0111\u00e3 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n\n\n\n

          N\u1ebfu chi ti\u1ebft l\u00e0 thanh tr\u00f2n ho\u1eb7c \u1ed1ng, h\u00e3y d\u00f9ng m\u00e1y u\u1ed1n \u1ed1ng d\u1ea1ng k\u00e9o quay (rotary draw) ho\u1eb7c c\u00f3 l\u00f5i ch\u1ed1ng (mandrel). Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y h\u1ed7 tr\u1ee3 \u0111\u01b0\u1eddng k\u00ednh trong \u0111\u1ec3 tr\u00e1nh s\u1ee5p th\u00e0nh trong khi k\u00e9o v\u1eadt li\u1ec7u quanh khu\u00f4n \u0111\u1ecbnh h\u00ecnh. S\u1ef1 h\u1ed7 tr\u1ee3 n\u00e0y di chuy\u1ec3n theo \u0111\u01b0\u1eddng cong. M\u00e1y ch\u1ea5n kh\u00f4ng th\u1ec3 l\u00e0m v\u1eady v\u00ec ph\u1ea7n \u0111\u1ee1 c\u1ee7a n\u00f3 l\u00e0 c\u1ed1 \u0111\u1ecbnh v\u00e0 tuy\u1ebfn t\u00ednh.<\/p>\n\n\n\n

          N\u1ebfu b\u1ea1n c\u1ea7n \u0111\u00f3ng c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i nh\u1ecf, h\u1eb9p tr\u00ean chi ti\u1ebft m\u1ecfng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, m\u00e1y u\u1ed1n \u0111i\u1ec3m ho\u1eb7c ki\u1ec3u l\u00e1 (leaf-style bender) chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 hi\u1ec7u qu\u1ea3 h\u01a1n m\u00e1y ch\u1ea5n v\u00ec b\u1ed9 khu\u00f4n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ho\u00e0n h\u1ea3o cho chuy\u1ec3n \u0111\u1ed9ng \u0111\u00f3. \u00cdt ph\u1ea3i ch\u1ec9nh. \u00cdt sai s\u1ed1 c\u1ed9ng d\u1ed3n.<\/p>\n\n\n\n

          Khung ra quy\u1ebft \u0111\u1ecbnh th\u00ec \u0111\u01a1n gi\u1ea3n, nh\u01b0ng b\u1ea1n ph\u1ea3i \u0111\u1ee7 k\u1ef7 lu\u1eadt \u0111\u1ec3 s\u1eed d\u1ee5ng n\u00f3:<\/p>\n\n\n\n

            \n
          1. V\u1eadt li\u1ec7u ban \u0111\u1ea7u c\u00f3 ph\u1eb3ng v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ho\u00e0n to\u00e0n tr\u00ean to\u00e0n b\u1ed9 m\u1eb7t khu\u00f4n kh\u00f4ng?<\/li>\n\n\n\n
          2. M\u1ed7i l\u1ea7n u\u1ed1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra m\u00e0 kh\u00f4ng \u0111\u1ec3 c\u00e1c m\u00e9p \u0111\u00e3 u\u1ed1n tr\u01b0\u1edbc va ch\u1ea1m v\u1edbi d\u1ee5ng c\u1ee5 ho\u1eb7c khung m\u00e1y kh\u00f4ng?<\/li>\n\n\n\n
          3. B\u00e1n k\u00ednh y\u00eau c\u1ea7u c\u00f3 \u0111\u1ebfn t\u1eeb ti\u1ebfp x\u00fac khu\u00f4n-d\u1eadp \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb l\u0103n d\u1ea7n ho\u1eb7c \u0111\u1ed9 cong \u0111\u01b0\u1ee3c k\u00e9o kh\u00f4ng?<\/li>\n\n\n\n
          4. Chi\u1ec1u d\u00e0i m\u00e9p c\u00f3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 t\u1ed1i thi\u1ec3u kh\u00f4ng?<\/li>\n<\/ol>\n\n\n\n

            N\u1ebfu b\u1ea1n tr\u1ea3 l\u1eddi \u201ckh\u00f4ng\u201d v\u1edbi b\u1ea5t k\u1ef3 c\u00e2u n\u00e0o tr\u00ean, h\u00e3y ng\u1eebng c\u1ed1 c\u1ee9u c\u00f4ng vi\u1ec7c b\u1eb1ng c\u00e1ch t\u0103ng l\u1ef1c n\u00e9n.<\/p>\n\n\n\n

            [Quy t\u1eafc h\u1ecdc ngh\u1ec1] Khi h\u00ecnh d\u1ea1ng \u0111\u00f2i h\u1ecfi h\u1ed7 tr\u1ee3 ph\u00e2n b\u1ed1, tr\u1ee5c b\u00ean trong, ho\u1eb7c \u0111\u1ed9 cong li\u00ean t\u1ee5c, h\u00e3y ch\u1ecdn m\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf quanh h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 \u0111\u00f3 \u2014 kh\u00f4ng ph\u1ea3i m\u00e1y \u0111\u00e3 \u0111\u01b0\u1ee3c g\u1eafn c\u1ed1 \u0111\u1ecbnh tr\u00ean s\u00e0n c\u1ee7a b\u1ea1n. Lu\u00f4n th\u1eed tr\u01b0\u1edbc tr\u00ean ph\u1ebf li\u1ec7u.<\/p>\n\n\n\n

            Gi\u1edbi h\u1ea1n c\u1ee9ng kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ee9c m\u1ea1nh. \u0110\u00f3 l\u00e0 h\u00ecnh h\u1ecdc ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

            M\u1ed9t khi b\u1ea1n nh\u1eadn ra \u0111i\u1ec1u \u0111\u00f3, b\u1ea1n s\u1ebd ng\u1eebng h\u1ecfi, \u201cM\u00e1y ch\u1ea5n c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c kh\u00f4ng?\u201d v\u00e0 b\u1eaft \u0111\u1ea7u h\u1ecfi, \u201cLi\u1ec7u b\u1ed9 ph\u1eadn n\u00e0y c\u00f3 thu\u1ed9c v\u1ec1 h\u1ec7 th\u1ed1ng khu\u00f4n-d\u1eadp kh\u00f4ng?\u201d<\/p>\n\n\n\n

            <\/p>","protected":false},"excerpt":{"rendered":"

            Anh \u1ea5y \u0111\u00e3 k\u1eb9p m\u1ed9t t\u1ea5m nh\u00f4m d\u00e0i b\u1ed1n foot v\u00e0o \u00ea t\u00f4 b\u00e0n, v\u1edbi hai thanh \u0111\u00f2n b\u1ea9y \u0111\u01b0\u1ee3c l\u1ed3ng v\u00e0o tay c\u1ea7m c\u1ee7a m\u1ed9t chi\u1ebfc \u201cm\u00e1y u\u1ed1n th\u1ee7 c\u00f4ng\u201d. L\u1ea7n k\u00e9o \u0111\u1ea7u ti\u00ean c\u00f3 v\u1ebb \u1ed5n. \u0110\u1ebfn l\u1ea7n k\u00e9o th\u1ee9 hai, t\u1ea5m nh\u00f4m b\u1ecb tr\u01b0\u1ee3t kh\u1ecfi k\u1eb9p, cong \u1edf gi\u1eefa, r\u1ed3i b\u1eadt m\u1ea1nh l\u00ean v\u00e0 \u0111\u1eadp v\u00e0o c\u1eb3ng tay anh \u1ea5y. Anh \u1ea5y ngh\u0129 r\u1eb1ng m\u00ecnh c\u1ea7n th\u00eam \u0111\u00f2n b\u1ea9y. C\u00e1i g\u00ec [\u2026]<\/p>","protected":false},"author":3,"featured_media":979,"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-974","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\/974","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=974"}],"version-history":[{"count":2,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/974\/revisions"}],"predecessor-version":[{"id":1076,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/974\/revisions\/1076"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/979"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}