{"id":1257,"date":"2026-03-13T06:03:06","date_gmt":"2026-03-13T06:03:06","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=1257"},"modified":"2026-03-11T06:06:00","modified_gmt":"2026-03-11T06:06:00","slug":"how-does-a-press-brake-work","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/how-does-a-press-brake-work\/","title":{"rendered":"M\u00e1y ch\u1ea5n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? \u0110\u00e1nh b\u1ea1i \u201cb\u1ed9 nh\u1edb kim lo\u1ea1i\u201d m\u00e0 kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 \u201c\u00e9p n\u00f3\u201d"},"content":{"rendered":"

T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t nh\u00e2n vi\u00ean m\u1edbi d\u1ed3n l\u1ef1c l\u00ean b\u00e0n \u0111\u1ea1p c\u1ee9 nh\u01b0 \u0111ang gi\u1eabm nho. T\u1ea5m th\u00e9p d\u00e0y m\u1ed9t ph\u1ea7n t\u00e1m inch \u0111\u1eb7t trong khu\u00f4n ch\u1eef V, p\u00edt-t\u00f4ng \u0111i xu\u1ed1ng th\u1eadt m\u1ea1nh. T\u1ea5m th\u00e9p \u0111\u1ea1t g\u00f3c ch\u00edn m\u01b0\u01a1i \u0111\u1ed9 khi ch\u1ecbu t\u1ea3i. P\u00edt-t\u00f4ng n\u00e2ng l\u00ean. T\u1ea5m th\u00e9p tr\u1ea3 l\u1ea1i v\u1ec1 ch\u00edn m\u01b0\u01a1i t\u01b0 \u0111\u1ed9.<\/p>\n\n\n\n

Anh ta nh\u00ecn chi\u1ebfc m\u00e1y nh\u01b0 th\u1ec3 n\u00f3 v\u1eeba l\u1eeba anh ta.<\/p>\n\n\n\n

B\u1ed1n \u0111\u1ed9 \u0111\u00f3 ch\u00ednh l\u00e0 n\u01a1i \u1ea3o gi\u00e1c b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

\u1ea2o gi\u00e1c \u201c\u00c9p Th\u1ee7y L\u1ef1c\u201d: Th\u1ef1c s\u1ef1 \u0110i\u1ec1u G\u00ec \u0110ang X\u1ea3y Ra B\u00ean Trong Kim Lo\u1ea1i<\/h2>\n\n\n\n

V\u1edbi ng\u01b0\u1eddi m\u1edbi, p\u00edt-t\u00f4ng \u0111i xu\u1ed1ng, kim lo\u1ea1i u\u1ed1n cong \u2014 h\u1ebft chuy\u1ec7n. \u00c1p su\u1ea5t th\u1ee7y l\u1ef1c v\u00e0o, g\u00f3c u\u1ed1n ra. Gi\u1ed1ng nh\u01b0 nghi\u1ec1n n\u00e1t m\u1ed9t lon n\u01b0\u1edbc ng\u1ecdt.<\/p>\n\n\n\n

Nh\u01b0ng kim lo\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 mi\u1ebfng b\u1ecdt bi\u1ec3n. N\u00f3 l\u00e0 m\u1ea1ng tinh th\u1ec3 k\u00e9o gi\u00e3n tr\u01b0\u1edbc khi ch\u1ecbu khu\u1ea5t ph\u1ee5c. Khi b\u1ea1n b\u1eaft \u0111\u1ea7u \u1ea5n t\u1ea5m th\u00e9p v\u00e0o khu\u00f4n, th\u00e9p v\u1eabn c\u00f2n \u0111\u00e0n h\u1ed3i \u2014 ngh\u0129a l\u00e0 n\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t chi\u1ebfc l\u00f2 xo. B\u1ea1n c\u00f3 th\u1ec3 nh\u1ea3 ra v\u00e0 n\u00f3 s\u1ebd tr\u1edf l\u1ea1i ph\u1eb3ng. Ch\u01b0a c\u00f3 g\u00ec v\u0129nh vi\u1ec5n x\u1ea3y ra c\u1ea3.<\/p>\n\n\n\n

\u0110\u1ed9 u\u1ed1n ch\u1ec9 tr\u1edf n\u00ean th\u1eadt t\u1ea1i m\u1ed9t ng\u01b0\u1ee1ng r\u1ea5t c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

\u0110i\u1ec3m Ch\u1ea3y: Kho\u1ea3nh Kh\u1eafc Ch\u00ednh X\u00e1c Khi Kim Lo\u1ea1i Qu\u00ean H\u00ecnh D\u1ea1ng Ban \u0110\u1ea7u<\/h3>\n\n\n\n
\"\u0110i\u1ec3m<\/figure>\n\n\n\n

H\u00e3y h\u00ecnh dung p\u00edt-t\u00f4ng h\u1ea1 xu\u1ed1ng tr\u00ean c\u00f9ng t\u1ea5m th\u00e9p 1\/8 inch \u0111\u00f3. Ban \u0111\u1ea7u, l\u1ef1c c\u1ea3n t\u0103ng \u0111\u1ec1u. B\u1ea1n ch\u1ec9 \u0111ang l\u00e0m n\u00f3 cong nh\u1eb9. R\u1ed3i \u0111\u1ebfn m\u1ed9t m\u1ee9c \u1ee9ng su\u1ea5t nh\u1ea5t \u0111\u1ecbnh \u2014 \u0111i\u1ec3m ch\u1ea3y \u2014 c\u1ea5u tr\u00fac b\u00ean trong b\u1eaft \u0111\u1ea7u tr\u01b0\u1ee3t. C\u00e1c sai l\u1ec7ch tinh th\u1ec3 di chuy\u1ec3n. Kim lo\u1ea1i ng\u1eebng \u201cghi nh\u1edb\u201d tr\u1ea1ng th\u00e1i ph\u1eb3ng ban \u0111\u1ea7u.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 bi\u1ebfn d\u1ea1ng d\u1ebbo. Thay \u0111\u1ed5i v\u0129nh vi\u1ec5n.<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111i\u1ec3m ch\u1ea3y, b\u1ea1n ch\u1ec9 \u0111ang k\u00e9o gi\u00e3n m\u1ed9t chi\u1ebfc l\u00f2 xo. Sau \u0111i\u1ec3m ch\u1ea3y, b\u1ea1n \u0111ang t\u00e1i \u0111\u1ecbnh h\u00ecnh n\u00f3.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi m\u1edbi b\u1ecf l\u1ee1: chi\u1ebfc m\u00e1y kh\u00f4ng h\u1ec1 b\u00e1o hi\u1ec7u kho\u1ea3nh kh\u1eafc \u0111\u00f3. Kh\u00f4ng c\u00f3 ti\u1ebfng t\u00e1ch, kh\u00f4ng c\u00f3 \u0111\u00e8n s\u00e1ng. B\u1ea1n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c n\u00e9n d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, kh\u1ea9u \u0111\u1ed9 khu\u00f4n v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o sao cho v\u1eeba<\/em> v\u01b0\u1ee3t qua ranh gi\u1edbi \u0111\u00f3 \u2014 m\u00e0 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 xa.<\/p>\n\n\n\n

C\u00e1i B\u1eaby L\u1ef1c N\u00e9n l\u00e0 ngh\u0129 r\u1eb1ng c\u00e0ng nhi\u1ec1u \u00e1p su\u1ea5t th\u00ec g\u00f3c u\u1ed1n c\u00e0ng \u0111\u1eb9p. Sau \u0111i\u1ec3m ch\u1ea3y, l\u1ef1c d\u01b0 ch\u1ee7 y\u1ebfu l\u00e0m l\u1ec7ch m\u00e1y v\u00e0 d\u1ee5ng c\u1ee5 thay v\u00ec c\u1ea3i thi\u1ec7n g\u00f3c u\u1ed1n.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o kinh nghi\u1ec7m: T\u00f4i \u0111\u00e3 th\u1ea5y nh\u1eefng ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ed1 s\u1eeda sai g\u00f3c b\u1eb1ng c\u00e1ch t\u0103ng \u00e1p, r\u1ed3i l\u00e0m cong p\u00edt-t\u00f4ng v\u00e0i ph\u1ea7n ngh\u00ecn\u2014v\u00e0 sau \u0111\u00f3 th\u1eafc m\u1eafc t\u1ea1i sao c\u00e1c chi ti\u1ebft d\u00e0i l\u1ea1i ra d\u1ea1ng l\u01b0\u1ee3n s\u00f3ng.<\/p>\n\n\n\n

N\u1ebfu hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y khi\u1ebfn \u0111\u1ed9 u\u1ed1n tr\u1edf n\u00ean v\u0129nh vi\u1ec5n, v\u1eady t\u1ea1i sao g\u00f3c ch\u00edn m\u01b0\u01a1i \u0111\u1ed9 l\u1ea1i kh\u00f4ng gi\u1eef nguy\u00ean ch\u00edn m\u01b0\u01a1i?<\/p>\n\n\n\n

Thu\u1ebf H\u1ed3i L\u00f2 Xo: V\u00ec Sao B\u1ea1n Lu\u00f4n Ph\u1ea3i U\u1ed1n Qu\u00e1 \u0110\u1ec3 \u0110\u1ea1t Chu\u1ea9n<\/h3>\n\n\n\n
\"T\u1ea1i<\/figure>\n\n\n\n

Khi b\u1ea1n nh\u1ea3 p\u00edt-t\u00f4ng, ph\u1ea7n bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i s\u1ebd ph\u1ee5c h\u1ed3i. C\u00e1c s\u1ee3i b\u00ean ngo\u00e0i ch\u01b0a ho\u00e0n to\u00e0n ch\u1ea3y s\u1ebd k\u00e9o m\u1edf g\u00f3c u\u1ed1n ra m\u1ed9t ch\u00fat. \u0110\u00f3 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng h\u1ed3i l\u00f2 xo.<\/p>\n\n\n\n

V\u1edbi th\u00e9p m\u1ec1m, c\u00f3 th\u1ec3 t\u1eeb hai \u0111\u1ebfn b\u1ed1n \u0111\u1ed9 khi u\u1ed1n kh\u00f4ng ch\u1ea1m khu\u00f4n. V\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, nhi\u1ec1u h\u01a1n. V\u1edbi nh\u00f4m, c\u00f2n t\u00f9y v\u00e0o \u0111\u1ed9 t\u00f4i c\u1ee9ng.<\/p>\n\n\n\n

V\u00ec v\u1eady, b\u1ea1n kh\u00f4ng nh\u1eafm \u0111\u1ebfn g\u00f3c ch\u00edn m\u01b0\u01a1i. B\u1ea1n nh\u1eafm \u0111\u1ebfn t\u00e1m m\u01b0\u01a1i t\u00e1m, c\u00f3 th\u1ec3 l\u00e0 t\u00e1m m\u01b0\u01a1i s\u00e1u, t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng vi\u1ec7c. B\u1ea1n c\u1ed1 t\u00ecnh u\u1ed1n qu\u00e1 \u0111\u1ec3 khi \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i, k\u1ebft qu\u1ea3 s\u1ebd n\u1eb1m \u0111\u00fang n\u01a1i b\u1ea1n mong mu\u1ed1n.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111o\u00e1n m\u00f2. \u0110\u00f3 l\u00e0 s\u1ef1 b\u00f9 \u0111\u1eafp c\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 n\u01a1i m\u1ecdi th\u1ee9 tr\u1edf n\u00ean th\u00fa v\u1ecb: khi b\u1ea1n u\u1ed1n, v\u1eadt li\u1ec7u s\u1ebd b\u1ecb bi\u1ebfn c\u1ee9ng do l\u00e0m vi\u1ec7c. Gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a n\u00f3 t\u0103ng d\u1ea7n l\u00ean. Kim lo\u1ea1i m\u00e0 b\u1ea1n ho\u00e0n thi\u1ec7n kh\u00f4ng c\u00f2n gi\u1ed1ng kim lo\u1ea1i b\u1ea1n b\u1eaft \u0111\u1ea7u n\u1eefa. N\u1ebfu b\u1ea1n ch\u1ea1y qu\u00e1 nhanh ho\u1eb7c gi\u1eef \u00e1p l\u1ef1c qu\u00e1 l\u00e2u, b\u1ea1n s\u1ebd l\u00e0m thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u ngay trong qu\u00e1 tr\u00ecnh.<\/p>\n\n\n\n

B\u1eaby \u201cTr\u00f4i B\u1ed9 Nh\u1edb\u201d l\u00e0 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng gi\u1edbi h\u1ea1n ch\u1ea3y l\u00e0 m\u1ed9t con s\u1ed1 c\u1ed1 \u0111\u1ecbnh thay v\u00ec m\u1ed9t m\u1ee5c ti\u00eau di \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o ngh\u1ec1 nghi\u1ec7p: T\u00f4i \u0111\u00e3 t\u1eebng \u0111u\u1ed5i theo m\u1ed9t g\u00f3c b\u1ecb tr\u00f4i trong n\u1eeda ca l\u00e0m m\u1edbi nh\u1eadn ra r\u1eb1ng l\u00f4 th\u00e9p kh\u00f4ng g\u1ec9 n\u00e0y \u0111ang c\u1ee9ng l\u00ean nhanh h\u01a1n l\u00f4 tr\u01b0\u1edbc.<\/p>\n\n\n\n

N\u1ebfu g\u00f3c ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 s\u00e2u b\u1ea1n \u00e9p v\u01b0\u1ee3t qua gi\u1edbi h\u1ea1n ch\u1ea3y v\u00e0 l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i b\u1ea1n d\u1ef1 \u0111o\u00e1n, th\u00ec \u00e1p l\u1ef1c th\u1ef1c s\u1ef1 n\u1eb1m \u1edf \u0111\u00e2u trong b\u1ee9c tranh n\u00e0y?<\/p>\n\n\n\n

U\u1ed1n kh\u00ed so v\u1edbi \u00e9p \u0111\u00e1y: T\u1ea1i sao h\u00ecnh h\u1ecdc quy\u1ebft \u0111\u1ecbnh g\u00f3c ch\u1ee9 kh\u00f4ng ph\u1ea3i \u00e1p l\u1ef1c<\/h3>\n\n\n\n
\"U\u1ed1n<\/figure>\n\n\n\n

H\u00e3y l\u1ea5y hai thi\u1ebft l\u1eadp. C\u00f9ng m\u1ed9t t\u1ea5m kim lo\u1ea1i. C\u00f9ng m\u1ed9t m\u00e1y.<\/p>\n\n\n\n

Trong u\u1ed1n kh\u00ed, ch\u00e0y kh\u00f4ng \u00e9p kim lo\u1ea1i xu\u1ed1ng \u0111\u00e1y khu\u00f4n ch\u1eef V. T\u1ea5m kim lo\u1ea1i ch\u1ea1m v\u00e0o \u0111\u1ea7u ch\u00e0y v\u00e0 hai vai khu\u00f4n, t\u1ea1o th\u00e0nh m\u1ed9t \u0111i\u1ec3m u\u1ed1n ba \u0111i\u1ec3m. G\u00f3c cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 s\u00e2u m\u00e0 ch\u00e0y \u0111i v\u00e0o trong khe khu\u00f4n. Thay \u0111\u1ed5i \u0111\u1ed9 s\u00e2u ch\u1ec9 v\u00e0i ph\u1ea7n ngh\u00ecn inch, b\u1ea1n \u0111\u00e3 thay \u0111\u1ed5i g\u00f3c.<\/p>\n\n\n\n

\u00c1p l\u1ef1c ch\u1ec9 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e2u c\u1ea7n thi\u1ebft. H\u00ecnh h\u1ecdc m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh k\u1ebft qu\u1ea3.<\/p>\n\n\n\n

Trong \u00e9p \u0111\u00e1y, b\u1ea1n \u00e9p ch\u1eb7t t\u1ea5m kim lo\u1ea1i v\u00e0o ch\u00ednh g\u00f3c c\u1ee7a khu\u00f4n. L\u00fac n\u00e0y, g\u00f3c c\u1ee7a d\u1ee5ng c\u1ee5 chi\u1ebfm \u01b0u th\u1ebf, v\u00e0 l\u1ef1c \u00e9p t\u0103ng v\u1ecdt v\u00ec b\u1ea1n \u0111ang \u201c\u0111\u00fac \u00e9p\u201d v\u1eadt li\u1ec7u \u2014 bu\u1ed9c n\u00f3 ph\u1ea3i tu\u00e2n theo h\u00ecnh d\u1ea1ng khu\u00f4n.<\/p>\n\n\n\n

Nh\u00ecn th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t ch\u01b0a?<\/p>\n\n\n\n

U\u1ed1n kh\u00ed l\u00e0 ki\u1ec3m so\u00e1t v\u1ecb tr\u00ed. \u00c9p \u0111\u00e1y ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o l\u1ef1c. Nh\u01b0ng ngay c\u1ea3 khi \u0111\u00f3, b\u1ea1n v\u1eabn \u0111ang ki\u1ec3m so\u00e1t gi\u1edbi h\u1ea1n ch\u1ea3y v\u00e0 \u0111\u00e0n h\u1ed3i, ch\u1ee9 kh\u00f4ng ph\u1ea3i nghi\u1ec1n n\u00e1t kim lo\u1ea1i cho ph\u1ee5c t\u00f9ng.<\/p>\n\n\n\n

\u1ea2o t\u01b0\u1edfng v\u1ec1 l\u1ef1c l\u00e0 tin r\u1eb1ng \u0111\u1ed3ng h\u1ed3 thu\u1ef7 l\u1ef1c ch\u00ednh l\u00e0 tay l\u00e1i c\u1ee7a b\u1ea1n. Th\u1ef1c t\u1ebf, \u0111\u1ed9 s\u00e2u c\u1ee7a ch\u00e0y v\u00e0 h\u00ecnh h\u1ecdc c\u1ee7a d\u1ee5ng c\u1ee5 m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o ngh\u1ec1 nghi\u1ec7p: T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y nh\u1eefng th\u1ee3 v\u1eadn h\u00e0nh t\u0103ng \u00e1p l\u1ef1c t\u1ed1i \u0111a khi u\u1ed1n kh\u00ed, ngh\u0129 r\u1eb1ng h\u1ecd s\u1ebd \u201ckho\u00e1 ch\u1eb7t\u201d g\u00f3c, nh\u01b0ng k\u1ebft qu\u1ea3 l\u00e0 khung m\u00e1y b\u1ecb u\u1ed1n cong v\u00e0 m\u1ea5t \u0111\u1ed9 song song tr\u00ean to\u00e0n m\u1eb7t gi\u01b0\u1eddng.<\/p>\n\n\n\n

N\u1ebfu g\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ed9 u\u1ed1n v\u01b0\u1ee3t c\u00f3 ki\u1ec3m so\u00e1t \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1edfi l\u1ef1c th\u00f4 \u2014 th\u00ec cu\u1ed9c chi\u1ebfn th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 di\u1ec5n ra trong kim lo\u1ea1i.<\/p>\n\n\n\n

N\u00f3 di\u1ec5n ra gi\u1eefa kim lo\u1ea1i v\u00e0 c\u1ed7 m\u00e1y \u0111ang c\u1ed1 kh\u00f4ng b\u1ecb u\u1ed1n cong c\u00f9ng v\u1edbi n\u00f3.<\/p>\n\n\n\n

Kh\u00eda c\u1ea1nh<\/th>U\u1ed1n Kh\u00f4ng Ch\u1ea1m (Air Bending)<\/th>Ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n \u00e9p ch\u1eb7t<\/th><\/tr><\/thead>
Thi\u1ebft l\u1eadp<\/td>C\u00f9ng t\u1ea5m kim lo\u1ea1i v\u00e0 c\u00f9ng m\u00e1y l\u00e0m \u0111\u01b0\u1eddng c\u01a1 s\u1edf so s\u00e1nh<\/td>C\u00f9ng t\u1ea5m kim lo\u1ea1i v\u00e0 c\u00f9ng m\u00e1y l\u00e0m \u0111\u01b0\u1eddng c\u01a1 s\u1edf so s\u00e1nh<\/td><\/tr>
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp x\u00fac<\/td>Ch\u00e0y ti\u1ebfp x\u00fac v\u1edbi t\u1ea5m kim lo\u1ea1i t\u1ea1i ba \u0111i\u1ec3m (\u0111\u1ea7u ch\u00e0y v\u00e0 hai vai khu\u00f4n)<\/td>T\u1ea5m \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t v\u00e0o g\u00f3c khu\u00f4n<\/td><\/tr>
C\u00e1ch X\u00e1c \u0110\u1ecbnh G\u00f3c<\/td>\u0110\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u0111\u1ed9 s\u00e2u m\u00e0 ch\u00e0y xuy\u00ean v\u00e0o ph\u1ea7n m\u1edf c\u1ee7a khu\u00f4n<\/td>\u0110\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u1ee7 y\u1ebfu b\u1edfi g\u00f3c c\u1ee7a d\u1ee5ng c\u1ee5 (khu\u00f4n)<\/td><\/tr>
Vai Tr\u00f2 C\u1ee7a \u00c1p L\u1ef1c<\/td>\u00c1p l\u1ef1c ch\u1ec9 nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e2u c\u1ea7n thi\u1ebft; h\u00ecnh h\u1ecdc quy\u1ebft \u0111\u1ecbnh g\u00f3c<\/td>L\u1ef1c n\u00e9n (t\u1ea5n) t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 \u00e9p v\u1eadt li\u1ec7u v\u00e0o h\u00ecnh d\u1ea1ng khu\u00f4n (hi\u1ec7u \u1ee9ng d\u1eadp n\u1ed5i)<\/td><\/tr>
Nguy\u00ean T\u1eafc Ki\u1ec3m So\u00e1t<\/td>Ki\u1ec3m so\u00e1t v\u1ecb tr\u00ed (qu\u1ea3n l\u00fd \u0111\u1ed9 s\u00e2u ch\u00ednh x\u00e1c)<\/td>Ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o l\u1ef1c, \u0111\u1ed3ng th\u1eddi v\u1eabn qu\u1ea3n l\u00fd gi\u1edbi h\u1ea1n ch\u1ea3y v\u00e0 \u0111\u1ed9 b\u1eadt \u0111\u00e0n h\u1ed3i<\/td><\/tr>
\u0110\u1ed9 Nh\u1ea1y<\/td>Thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u0111\u1ed9 s\u00e2u (h\u00e0ng ph\u1ea7n ngh\u00ecn) \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn g\u00f3c<\/td>G\u00f3c b\u1ecb chi ph\u1ed1i b\u1edfi h\u00ecnh h\u1ecdc c\u1ee7a khu\u00f4n khi \u0111\u00e3 \u00e9p ch\u1ea1m \u0111\u00e1y ho\u00e0n to\u00e0n<\/td><\/tr>
Quan Ni\u1ec7m Sai Th\u01b0\u1eddng G\u1eb7p<\/td>T\u0103ng \u00e1p l\u1ef1c s\u1ebd \u201cc\u1ed1 \u0111\u1ecbnh\u201d g\u00f3c<\/td>Ch\u1ec9 c\u1ea7n l\u1ef1c l\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c<\/td><\/tr>
R\u1ee7i Ro Ghi Nh\u1eadn<\/td>\u00c1p l\u1ef1c qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m khung m\u00e1y b\u1ecb cong v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 song song c\u1ee7a b\u00e0n m\u00e1y<\/td>L\u1ef1c n\u00e9n cao l\u00e0m t\u0103ng \u1ee9ng su\u1ea5t l\u00ean m\u00e1y<\/td><\/tr>
Nh\u1eadn th\u1ee9c C\u1ed1t l\u00f5i<\/td>G\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ed9 u\u1ed1n qu\u00e1 c\u00f3 ki\u1ec3m so\u00e1t\u2014kh\u00f4ng ph\u1ea3i b\u1edfi l\u1ef1c th\u00f4<\/td>Ngay c\u1ea3 khi l\u1ef1c l\u1edbn h\u01a1n, h\u00ecnh h\u1ecdc v\u00e0 h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u v\u1eabn mang t\u00ednh quy\u1ebft \u0111\u1ecbnh<\/td><\/tr>
\u1ee8ng su\u1ea5t ti\u1ec1m \u1ea9n<\/td>S\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa bi\u1ebfn d\u1ea1ng kim lo\u1ea1i v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u00e1y<\/td>S\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 gi\u1edbi h\u1ea1n c\u1ea5u tr\u00fac c\u1ee7a m\u00e1y<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

N\u0103m h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng, n\u0103m c\u00e2u tr\u1ea3 l\u1eddi kh\u00e1c nhau cho c\u00e2u h\u1ecfi \u201cM\u1ea1nh \u0111\u1ebfn m\u1ee9c n\u00e0o?\u201d<\/h2>\n\n\n\n

Tr\u00ean m\u00e1y \u00e9p phanh 10 foot c\u0169 c\u1ee7a t\u00f4i, t\u00f4i c\u00f3 th\u1ec3 u\u1ed1n m\u1ed9t khung 3 foot ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i nh\u01b0ng l\u1ea1i l\u1ec7ch \u0111i m\u1ed9t \u0111\u1ed9 \u1edf v\u1ecb tr\u00ed 9 foot m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ec9nh l\u1ea1i ch\u01b0\u01a1ng tr\u00ecnh. C\u00f9ng v\u1eadt li\u1ec7u. C\u00f9ng khu\u00f4n. C\u00f9ng \u0111\u1ed9 s\u00e2u m\u1ee5c ti\u00eau.<\/p>\n\n\n\n

N\u1ebfu h\u00ecnh h\u1ecdc quy\u1ebft \u0111\u1ecbnh g\u00f3c, v\u00e0 \u0111\u1ed9 s\u00e2u quy\u1ebft \u0111\u1ecbnh h\u00ecnh h\u1ecdc, th\u00ec l\u00e0m th\u1ebf n\u00e0o m\u00e0 \u0111\u1ed9 cong m\u00e1y l\u1ea1i len l\u1ecfi v\u00e0o v\u00e0 l\u00e0m sai l\u1ec7ch \u0111\u1ed9 ch\u00ednh x\u00e1c?<\/p>\n\n\n\n

B\u1edfi v\u00ec \u0111\u1ed9 s\u00e2u kh\u00f4ng ph\u1ea3i l\u00e0 con s\u1ed1 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. N\u00f3 l\u00e0 n\u01a1i ch\u00e0y th\u1ef1c s\u1ef1 ti\u1ebfp x\u00fac khi ch\u1ecbu t\u1ea3i \u2014 sau khi khung m\u00e1y gi\u00e3n ra, b\u00e0n tr\u01b0\u1ee3t cong xu\u1ed1ng v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng ho\u00e0n t\u1ea5t vi\u1ec7c t\u1ea1o l\u1ef1c. Hai m\u00e1y c\u00f3 th\u1ec3 \u0111\u1ec1u mang nh\u00e3n \u201c100 t\u1ea5n\u201d. Nh\u01b0ng m\u00e1y kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c c\u00e1ch l\u1ef1c h\u00ecnh th\u00e0nh, t\u0103ng d\u1ea7n v\u00e0 d\u1eebng l\u1ea1i th\u00ec s\u1ebd kh\u00f4ng bao gi\u1edd gi\u1eef \u0111\u01b0\u1ee3c c\u00f9ng \u0111\u1ed9 s\u00e2u ch\u00e0y tr\u00ean to\u00e0n b\u1ed9 b\u00e0n \u00e9p. V\u00e0 n\u1ebfu \u0111\u1ed9 s\u00e2u l\u1ec7ch v\u00e0i ph\u1ea7n ngh\u00ecn, g\u00f3c c\u0169ng l\u1ec7ch theo.<\/p>\n\n\n\n

V\u00ec v\u1eady, khi ch\u00fang ta h\u1ecfi \u201cM\u1ea1nh \u0111\u1ebfn m\u1ee9c n\u00e0o?\u201d, th\u1ef1c ra ch\u00fang ta \u0111ang h\u1ecfi: M\u00e1y n\u00e0y t\u1ea1o l\u1ef1c nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 n\u00f3 c\u00f3 th\u1ec3 d\u1eebng ch\u00ednh x\u00e1c \u1edf n\u01a1i m\u00e0 h\u00ecnh h\u1ecdc y\u00eau c\u1ea7u hay kh\u00f4ng?<\/em><\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng kh\u00e1c nhau \u0111\u01b0a ra c\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi \u0111\u00f3 theo n\u0103m c\u00e1ch r\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n

C\u01a1 kh\u00ed: T\u1ed1c \u0111\u1ed9 h\u01a1n \u0111\u1ed9 ch\u00ednh x\u00e1c (v\u00e0 l\u00fd do cho s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i \u0111\u00f3)<\/h3>\n\n\n\n

T\u00f4i \u0111\u00e3 h\u1ecdc tr\u00ean m\u1ed9t chi\u1ebfc m\u00e1y d\u1ea1ng b\u00e1nh \u0111\u00e0 ph\u00e1t ra \u00e2m thanh nh\u01b0 t\u00e0u h\u00e0ng \u0111ang ch\u1ea1y. M\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng quay l\u1edbn ph\u00eda tr\u00ean, ly h\u1ee3p \u0103n kh\u1edbp, tr\u1ee5c khu\u1ef7u chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng quay th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng \u0111\u1ee9ng c\u1ee7a b\u00e0n tr\u01b0\u1ee3t. M\u1ed9t khi ly h\u1ee3p \u0111\u00e3 c\u1eafn, b\u00e0n tr\u01b0\u1ee3t s\u1ebd \u0111i xu\u1ed1ng. H\u1ebft chuy\u1ec7n.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf l\u00e0 nh\u01b0 th\u1ebf n\u00e0y. M\u00e1y \u00e9p c\u01a1 kh\u00ed l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng trong b\u00e1nh \u0111\u00e0 \u0111ang quay. Khi b\u1ea1n k\u00edch ho\u1ea1t ly h\u1ee3p, n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc t\u00edch tr\u1eef \u0111\u01b0\u1ee3c truy\u1ec1n qua c\u01a1 c\u1ea5u thanh truy\u1ec1n tr\u1ee5c khu\u1ef7u. L\u1ef1c \u0111\u1ea1t \u0111\u1ec9nh g\u1ea7n \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi \u2014 ph\u1ea7n cu\u1ed1i c\u1ee7a h\u00e0nh tr\u00ecnh. Tr\u01b0\u1edbc \u0111\u00f3, t\u1ea3i tr\u1ecdng \u0111ang t\u0103ng nh\u01b0ng ch\u01b0a \u0111\u1ea1t m\u1ee9c t\u1ed1i \u0111a.<\/p>\n\n\n\n

D\u1ea1ng \u0111\u01b0\u1eddng cong l\u1ef1c \u0111\u00f3 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y, ch\u00fang ta quan t\u00e2m \u0111\u1ebfn v\u1ecb tr\u00ed<\/em>. Nh\u01b0ng m\u00e1y \u00e9p c\u01a1 kh\u00ed b\u1ecb chi ph\u1ed1i b\u1edfi h\u00ecnh h\u1ecdc c\u1ee7a tr\u1ee5c khu\u1ef7u, ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1edfi d\u00f2ng ch\u1ea3y d\u1ea7u \u0111\u01b0\u1ee3c \u0111i\u1ec1u ti\u1ebft tinh t\u1ebf nh\u01b0 m\u00e1y th\u1ee7y l\u1ef1c. B\u1ea1n kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ebfn ph\u1ea7n ngh\u00ecn cu\u1ed1i c\u00f9ng. B\u00e0n tr\u01b0\u1ee3t c\u00f3 xu h\u01b0\u1edbng \u0111i qua \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi v\u00ec c\u01a1 c\u1ea5u li\u00ean k\u1ebft v\u1eabn \u0111ang chuy\u1ec3n \u0111\u1ed9ng. V\u1eady n\u00ean b\u1ea1n ph\u1ea3i c\u0103n th\u1eddi \u0111i\u1ec3m \u0103n ly h\u1ee3p, nh\u1ea3 phanh, v\u00e0 hy v\u1ecdng qu\u00e1n t\u00ednh kh\u00f4ng k\u00e9o n\u00f3 \u0111i s\u00e2u h\u01a1n m\u1ee9c d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do ch\u00fang nhanh. T\u1ed1c \u0111\u1ed9 h\u00e0nh tr\u00ecnh c\u00f3 th\u1ec3 cao v\u00ec kh\u00f4ng c\u1ea7n ch\u1edd d\u1ea7u di chuy\u1ec3n. Nh\u01b0ng ch\u00ednh qu\u00e1n t\u00ednh \u0111\u00f3 l\u1ea1i l\u00e0 \u201cC\u00e1i b\u1eaby l\u1ec7ch ch\u00ednh x\u00e1c.\u201d M\u1ed9t khi n\u0103ng l\u01b0\u1ee3ng \u0111\u00e3 v\u00e0o h\u1ec7 th\u1ed1ng, b\u1ea1n kh\u00f4ng th\u1ec3 x\u1ea3 ra nh\u1eb9 nh\u00e0ng \u2014 b\u1ea1n ph\u1ea3i d\u1eebng n\u00f3 l\u1ea1i.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o kinh nghi\u1ec7m: T\u00f4i t\u1eebng th\u1ea5y m\u1ed9t chi ti\u1ebft d\u00e0i b\u1ecb u\u1ed1n cong gi\u1eefa v\u00ec ph\u1ea7n trung t\u00e2m c\u1ee7a b\u00e0n tr\u01b0\u1ee3t \u0111\u1ea1t \u0111\u1ec9nh t\u1ea3i s\u1edbm h\u01a1n ch\u00fat so v\u1edbi hai \u0111\u1ea7u h\u00e0nh tr\u00ecnh, v\u00e0 kh\u00f4ng c\u00f3 ch\u1ec9nh vi n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c gi\u1eefa c\u00fa \u00e9p.<\/p>\n\n\n\n

C\u00e1c m\u00e1y \u00e9p c\u01a1 kh\u00ed th\u01b0\u1edfng cho s\u1ef1 l\u1eb7p l\u1ea1i trong c\u00e1c lo\u1ea1t s\u1ea3n xu\u1ea5t ng\u1eafn v\u1edbi thi\u1ebft l\u1eadp c\u1ed1 \u0111\u1ecbnh. Nh\u01b0ng khi \u0111\u1ed9 d\u00e0y t\u1ea5m thay \u0111\u1ed5i v\u00e0i ph\u1ea7n ngh\u00ecn inch, ho\u1eb7c khi b\u1ea1n \u0111ang c\u1ed1 g\u1eafng \u0111\u1ea1t dung sai n\u1eeda \u0111\u1ed9 tr\u00ean chi\u1ec1u d\u00e0i t\u00e1m feet, c\u00e2u h\u1ecfi tr\u1edf n\u00ean kh\u00f3 ch\u1ecbu:<\/p>\n\n\n\n

L\u00e0m sao b\u1ea1n \u201cc\u0103n shim\u201d \u0111\u1ed9 s\u00e2u khi chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y b\u1ecb kh\u00f3a theo m\u1ed9t b\u00e1nh xe quay?<\/p>\n\n\n\n

Th\u1ee7y l\u1ef1c: G\u00e3 n\u1eb7ng k\u00fd \u0111a n\u0103ng (v\u00e0 n\u01a1i n\u00f3 \u00e2m th\u1ea7m g\u1eb7p kh\u00f3 kh\u0103n)<\/h3>\n\n\n\n

L\u1ea7n \u0111\u1ea7u ti\u00ean t\u00f4i u\u1ed1n t\u1ea5m d\u00e0y n\u1eeda inch tr\u00ean m\u1ed9t m\u00e1y \u00e9p th\u1ee7y l\u1ef1c hi\u1ec7n \u0111\u1ea1i, t\u00f4i quan s\u00e1t \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t t\u0103ng \u0111\u1ec1u khi tr\u1ee5c \u00e9p h\u1ea1 xu\u1ed1ng. Kh\u00f4ng k\u1ecbch t\u00ednh. Ch\u1ec9 l\u00e0 l\u1ef1c \u0111\u1ea9y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c t\u1ea1o l\u1ef1c b\u1eb1ng c\u00e1ch n\u00e9n d\u1ea7u trong c\u00e1c xi-lanh. \u00c1p su\u1ea5t nh\u00e2n v\u1edbi di\u1ec7n t\u00edch p\u00edt-t\u00f4ng b\u1eb1ng l\u1ef1c. To\u00e1n h\u1ecdc \u0111\u01a1n gi\u1ea3n. V\u1ebb \u0111\u1eb9p n\u1eb1m \u1edf kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n: c\u00e1c van t\u1ef7 l\u1ec7 \u0111i\u1ec1u ti\u1ebft d\u00f2ng ch\u1ea3y, van servo tinh ch\u1ec9nh n\u00f3, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m t\u1ed1c tr\u00ecnh h\u1ea1 tr\u1ee5c xu\u1ed1ng c\u1ef1c k\u1ef3 ch\u1eadm trong v\u00e0i milim\u00e9t cu\u1ed1i c\u00f9ng. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c th\u1ef1c s\u1ef1.<\/p>\n\n\n\n

V\u00e0 d\u01b0\u1edbi t\u1ea3i li\u00ean t\u1ee5c, th\u1ee7y l\u1ef1c t\u1ecfa s\u00e1ng. L\u01b0\u1ee3ng t\u1ea3i cao li\u00ean t\u1ee5c tr\u00ean t\u1ea5m d\u00e0y l\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1edf tr\u01b0\u1eddng c\u1ee7a ch\u00fang v\u00ec \u00e1p su\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n d\u1ef1a v\u00e0o n\u0103ng l\u01b0\u1ee3ng qu\u00e1n t\u00ednh t\u00edch tr\u1eef. Khung m\u00e1y v\u1eabn b\u1ecb bi\u1ebfn d\u1ea1ng, \u0111\u00fang \u2014 nh\u01b0ng h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 d\u1eebng, gi\u1eef v\u00e0 b\u00f9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00f3 kh\u0103n \u00e2m th\u1ea7m.<\/p>\n\n\n\n

D\u1ea7u c\u00f3 \u0111\u1ed9 n\u00e9n nh\u1eb9. \u1ed0ng gi\u00e3n n\u1edf. Gio\u0103ng co gi\u00e3n. D\u01b0\u1edbi t\u1ea3i n\u1eb7ng, \u0111\u1eb7c bi\u1ec7t tr\u00ean b\u00e0n \u00e9p d\u00e0i, hai xi-lanh ph\u1ea3i duy tr\u00ec \u0111\u1ed3ng b\u1ed9. N\u1ebfu Y1 v\u00e0 Y2 (xi-lanh tr\u00e1i v\u00e0 ph\u1ea3i) l\u1ec7ch ch\u1ec9 v\u00e0i ph\u1ea7n ngh\u00ecn inch, tr\u1ee5c \u00e9p s\u1ebd nghi\u00eang. Gi\u1edd th\u00ec \u0111\u1ed9 s\u00e2u ch\u00e0y c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n song song n\u1eefa.<\/p>\n\n\n\n

C\u00e1c h\u1ec7 CNC \u0111i\u1ec7n-th\u1ee7y l\u1ef1c kh\u00e9p v\u00f2ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3 b\u1eb1ng th\u01b0\u1edbc \u0111o tuy\u1ebfn t\u00ednh \u0111\u1ec3 \u0111o t\u1eebng b\u00ean \u0111\u1ed9c l\u1eadp. C\u00e1c h\u1ec7 c\u0169 d\u00f9ng thanh xo\u1eafn n\u1ed1i c\u01a1 kh\u00ed hai b\u00ean; n\u1ebfu m\u1ed9t b\u00ean ch\u1eadm h\u01a1n d\u01b0\u1edbi t\u1ea3i, thanh xo\u1eafn s\u1ebd v\u1eb7n l\u1ea1i v\u00e0 hy v\u1ecdng c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 \u1ea2o t\u01b0\u1edfng Song song: cho r\u1eb1ng \u00e1p su\u1ea5t b\u1eb1ng nhau ngh\u0129a l\u00e0 v\u1ecb tr\u00ed b\u1eb1ng nhau. \u00c1p su\u1ea5t l\u00e0 l\u1ef1c. V\u1ecb tr\u00ed l\u00e0 h\u00ecnh h\u1ecdc. Ch\u00fang kh\u00f4ng gi\u1ed1ng nhau.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o kinh nghi\u1ec7m: T\u00f4i t\u1eebng \u0111u\u1ed5i theo \u0111\u1ed9 c\u00f4n trong t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0i 10 feet ch\u1ec9 \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1ed9t xi-lanh \u0111i tr\u01b0\u1edbc ba ph\u1ea7n ngh\u00ecn inch khi ch\u1ecbu t\u1ea3i \u0111\u1ec9nh \u2014 kh\u00f4ng th\u1ea5y \u0111\u01b0\u1ee3c tr\u00ean \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t, nh\u01b0ng r\u00f5 r\u00e0ng qua g\u00f3c u\u1ed1n.<\/p>\n\n\n\n

Th\u1ee7y l\u1ef1c v\u1eabn chi\u1ebfm \u01b0u th\u1ebf v\u00ec ch\u00fang c\u00f3 th\u1ec3 v\u1eeba t\u1ea1o ra v\u1eeba \u0111i\u1ec1u ti\u1ebft l\u1ef1c l\u1edbn. Nh\u01b0ng \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c m\u00e1y \u0111o v\u00e0 hi\u1ec7u ch\u1ec9nh bi\u1ebfn d\u1ea1ng theo th\u1eddi gian th\u1ef1c t\u1ed1t \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n

V\u1eady n\u1ebfu d\u1ea7u mang l\u1ea1i cho ta s\u1ee9c m\u1ea1nh v\u1edbi chuy\u1ec3n \u0111\u1ed9ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c, \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi ta lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n d\u1ea7u?<\/p>\n\n\n\n

Servo-\u0110i\u1ec7n: Cu\u1ed9c c\u00e1ch m\u1ea1ng \u201c\u00cam v\u00e0 Nhanh\u201d cho c\u00e1c dung sai c\u1ef1c nh\u1ecf<\/h3>\n\n\n\n

T\u00f4i \u0111\u00e3 \u0111\u1ebfn th\u0103m m\u1ed9t x\u01b0\u1edfng v\u1eadn h\u00e0nh m\u00e1y \u00e9p servo \u0111i\u1ec7n nh\u1ecf 22 t\u1ea5n \u2014 tr\u1ee5c v\u00edt bi \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ed9ng b\u1eb1ng \u0111\u1ed9ng c\u01a1 servo, kh\u00f4ng c\u00f3 h\u1ec7 th\u1ee7y l\u1ef1c k\u00eau r\u00ec r\u00ec ph\u00eda sau. H\u1ecd \u0111ang u\u1ed1n c\u00e1c v\u1ecf inox m\u1ecfng d\u00e0i d\u01b0\u1edbi ba feet. H\u1ecd kh\u1eb3ng \u0111\u1ecbnh \u0111\u1ed9 l\u1eb7p l\u1ea1i ch\u00ednh x\u00e1c trong ph\u1ea1m vi micron.<\/p>\n\n\n\n

V\u1ec1 c\u01a1 kh\u00ed, n\u00f3 r\u1ea5t g\u1ecdn g\u00e0ng. M\u1ed9t \u0111\u1ed9ng c\u01a1 servo quay tr\u1ee5c v\u00edt bi \u2014 m\u1ed9t tr\u1ee5c ren c\u00f3 bi tu\u1ea7n ho\u00e0n bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng quay th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn v\u1edbi hi\u1ec7u su\u1ea5t r\u1ea5t cao. V\u1ecb tr\u00ed \u0111\u01b0\u1ee3c theo d\u00f5i b\u1eb1ng b\u1ed9 m\u00e3 h\u00f3a g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean \u0111\u1ed9ng c\u01a1 ho\u1eb7c tr\u1ee5c v\u00edt. Khi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ra l\u1ec7nh d\u1eebng, \u0111\u1ed9ng c\u01a1 d\u1eebng. Kh\u00f4ng c\u00f3 d\u1ea7u b\u1ecb n\u00e9n. Kh\u00f4ng c\u00f3 \u0111\u1ed9 tr\u1ec5 van.<\/p>\n\n\n\n

V\u1edbi c\u00e1c chi ti\u1ebft ng\u1eafn v\u00e0 v\u1eadt li\u1ec7u m\u1ecfng, \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed truy\u1ec1n \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u00f3 ch\u00ednh x\u00e1c nh\u01b0 ph\u1eabu thu\u1eadt. B\u1ea1n c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn, t\u1ed1c \u0111\u1ed9 u\u1ed1n v\u00e0 t\u1ed1c \u0111\u1ed9 tr\u1edf v\u1ec1 \u0111\u1ed9c l\u1eadp. M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng gi\u1ea3m v\u00ec \u0111\u1ed9ng c\u01a1 ch\u1ec9 ti\u00eau th\u1ee5 \u0111i\u1ec7n khi di chuy\u1ec3n.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 n\u01a1i c\u00e1c poster qu\u1ea3ng c\u00e1o b\u1eaft \u0111\u1ea7u tr\u1edf n\u00ean y\u1ebfu l\u00fd.<\/p>\n\n\n\n

Tr\u1ee5c v\u00edt bi c\u00f3 gi\u1edbi h\u1ea1n t\u1ea3i. D\u01b0\u1edbi t\u1ea3i l\u1edbn, ch\u00fang gi\u00e3n ra \u1edf m\u1ee9c vi m\u00f4. Khung m\u00e1y v\u1eabn bi\u1ebfn d\u1ea1ng. V\u00e0 ph\u1ea3n \u1ee9ng \u0111\u1ed9ng d\u01b0\u1edbi v\u1eadt li\u1ec7u d\u00e0y c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n so v\u1edbi h\u1ec7 th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u00e1p su\u1ea5t cao li\u00ean t\u1ee5c. M\u1ed9t s\u1ed1 so s\u00e1nh cho th\u1ea5y c\u00e1c h\u1ec7 \u0111i\u1ec7n b\u1ecb t\u1ee5t l\u1ea1i trong c\u00f4ng vi\u1ec7c d\u00e0y v\u00e0 t\u1ea3i cao, n\u01a1i m\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t d\u01b0\u1edbi t\u1ea3i quan tr\u1ecdng h\u01a1n hi\u1ec7u qu\u1ea3 khi ngh\u1ec9.<\/p>\n\n\n\n

C\u00e1i b\u1eaby c\u1ee7a \u201cV\u1ea7ng h\u00e0o quang Hi\u1ec7u su\u1ea5t\u201d l\u00e0 cho r\u1eb1ng \u00eam h\u01a1n v\u00e0 s\u1ea1ch h\u01a1n t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng ngh\u0129a v\u1edbi ch\u00ednh x\u00e1c h\u01a1n trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. \u0110\u1ed9 ch\u00ednh x\u00e1c d\u01b0\u1edbi t\u1ea3i ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng v\u00e0 ph\u1ea3n h\u1ed3i, kh\u00f4ng ch\u1ec9 v\u00e0o lo\u1ea1i \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n

M\u00f4 li\u00ean k\u1ebft s\u1eb9o: T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t x\u01b0\u1edfng mua phanh \u0111i\u1ec7n v\u1edbi m\u1ee5c \u0111\u00edch ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, r\u1ed3i sau \u0111\u00f3 ph\u1ea3i thu\u00ea gia c\u00f4ng c\u00e1c chi ti\u1ebft d\u00e0y h\u01a1n v\u00ec m\u00e1y \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1eef \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi lo\u1ea1i t\u1ea3i \u0111\u00f3.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng servo-\u0111i\u1ec7n l\u00e0 nh\u1eefng con dao m\u1ed5 tuy\u1ec7t v\u1eddi. Th\u1ee7y l\u1ef1c l\u00e0 nh\u1eefng chi\u1ebfc b\u00faa \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Vi\u1ec7c b\u1ea1n ch\u1ecdn c\u00f4ng c\u1ee5 n\u00e0o s\u1ebd thay \u0111\u1ed5i c\u00e1ch b\u1ea1n ch\u1ed1ng l\u1ea1i s\u1ef1 bi\u1ebfn d\u1ea1ng \u2014 v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c t\u1ebf lo\u1ea1i b\u1ecf n\u00f3.<\/p>\n\n\n\n

V\u1eady kh\u00ed n\u00e9n n\u1eb1m \u1edf \u0111\u00e2u trong d\u00e0n nh\u1ea1c n\u00e0y?<\/p>\n\n\n\n

Kh\u00ed n\u00e9n: Khi Kh\u00f4ng Kh\u00ed N\u00e9n L\u00e0 \u0110\u1ee7 (v\u00e0 Khi N\u00f3 Th\u1ea5t B\u1ea1i)<\/h3>\n\n\n\n

T\u00f4i ch\u1ec9 tin t\u01b0\u1edfng phanh kh\u00ed n\u00e9n khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c t\u1ea5m nh\u00f4m m\u1ecfng v\u00e0 c\u00e1c gi\u00e1 \u0111\u1ee1 nh\u1eb9. Ch\u00fang nhanh. Ch\u00fang \u00eam. V\u00e0 ch\u00fang h\u1ebft h\u01a1i c\u0169ng r\u1ea5t nhanh.<\/p>\n\n\n\n

Kh\u00f4ng kh\u00ed n\u00e9n d\u1eabn \u0111\u1ed9ng c\u00e1c xi-lanh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u1ee7y l\u1ef1c, nh\u01b0ng kh\u00f4ng kh\u00ed c\u00f3 \u0111\u1ed9 n\u00e9n cao. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 khi ch\u1ecbu t\u1ea3i, h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u00e1i l\u00f2 xo. Khi l\u1ef1c c\u1ea3n t\u0103ng, kh\u00f4ng kh\u00ed b\u1ecb n\u00e9n l\u1ea1i nhi\u1ec1u h\u01a1n tr\u01b0\u1edbc khi truy\u1ec1n \u0111\u1ee7 l\u1ef1c t\u1edbi piston.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c nh\u1eb9, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i \u0111\u00f3 kh\u00f4ng ph\u1ea3i ch\u00ed m\u1ea1ng. Th\u1ef1c t\u1ebf, chu k\u1ef3 c\u00f3 th\u1ec3 nhanh v\u00ec h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n v\u00e0 di chuy\u1ec3n nhanh. V\u1edbi t\u1ea5m kim lo\u1ea1i m\u1ecfng c\u00f3 y\u00eau c\u1ea7u l\u1ef1c th\u1ea5p, kh\u00ed n\u00e9n c\u00f3 th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c n\u1eb7ng v\u1ec1 m\u1eb7t t\u1ed1c \u0111\u1ed9 thu\u1ea7n t\u00fay.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y \u0111\u1eb7t t\u1ea5m th\u00e9p d\u00e0y 1\/4 inch v\u00e0o d\u01b0\u1edbi m\u00e1y.<\/p>\n\n\n\n

L\u1ef1c y\u00eau c\u1ea7u t\u0103ng m\u1ea1nh theo \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 m\u1edf c\u1ee7a khu\u00f4n ch\u1eef V. Kh\u00f4ng kh\u00ed b\u1ecb n\u00e9n th\u00eam n\u1eefa. Ki\u1ec3m so\u00e1t tr\u1edf n\u00ean thi\u1ebfu \u1ed5n \u0111\u1ecbnh. \u0110\u1ed9 s\u00e2u tr\u1edf n\u00ean kh\u00f3 d\u1eebng ch\u00ednh x\u00e1c v\u00ec m\u00f4i ch\u1ea5t b\u1ea3n th\u00e2n n\u00f3 l\u00e0 \u0111\u00e0n h\u1ed3i.<\/p>\n\n\n\n

Nh\u01b0ng kim lo\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 mi\u1ebfng b\u1ecdt bi\u1ec3n. Kh\u00f4ng kh\u00ed th\u00ec c\u00f3.<\/p>\n\n\n\n

S\u1ef1 l\u1ec7ch pha \u0111\u00f3 ch\u00ednh l\u00e0 Hi\u1ec7n T\u01b0\u1ee3ng Chu\u1ed7i Tu\u00e2n \u1ee8ng: h\u1ec7 truy\u1ec1n \u0111\u1ed9ng \u0111\u00e0n h\u1ed3i c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i trong khi khung m\u00e1y u\u1ed1n cong \u1edf gi\u1eefa. B\u1ea1n \u0111ang x\u1ebfp ch\u1ed3ng c\u00e1c l\u00f2 xo v\u00e0 mong \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

M\u00f4 li\u00ean k\u1ebft s\u1eb9o: T\u00f4i t\u1eebng ch\u1ee9ng ki\u1ebfn m\u1ed9t m\u00e1y kh\u00ed n\u00e9n d\u1eebng l\u1ea1i gi\u1eefa ch\u1eebng khi u\u1ed1n t\u1ea5m d\u00e0y h\u01a1n, \u00e1p su\u1ea5t \u0111\u00e3 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i, piston ch\u01b0a ch\u1ea1m \u0111\u1ebfn \u0111\u1ed9 s\u00e2u m\u1ee5c ti\u00eau \u2014 m\u00e1y \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 t\u1ea1o ra l\u1ef1c m\u00e0 h\u00ecnh h\u1ecdc y\u00eau c\u1ea7u.<\/p>\n\n\n\n

Kh\u00ed n\u00e9n c\u00f3 gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3. B\u01b0\u1edbc ra kh\u1ecfi gi\u1edbi h\u1ea1n \u0111\u00f3, v\u00e0 bi\u1ebfn d\u1ea1ng s\u1ebd th\u1eafng tr\u01b0\u1edbc khi b\u1ea1n \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m ch\u1ea3y.<\/p>\n\n\n\n

V\u1eady n\u00ean d\u00f9 ta ch\u1ecdn \u201cc\u01a1 b\u1eafp\u201d \u0111\u00fang, v\u1eabn ph\u1ea3i c\u00f3 m\u1ed9t \"b\u1ed9 n\u00e3o\" \u0111i\u1ec1u khi\u1ec3n ph\u00eda sau \u2014 ho\u1eb7c \u0111\u00f4i khi, ch\u1eb3ng c\u00f3 m\u1ea5y b\u1ed9 n\u00e3o n\u00e0o c\u1ea3.<\/p>\n\n\n\n

NC so v\u1edbi CNC: B\u1ea1n \u0110ang \u0110i\u1ec1u Khi\u1ec3n Chuy\u1ec3n \u0110\u1ed9ng Hay L\u1eadp Tr\u00ecnh K\u1ebft Qu\u1ea3?<\/h3>\n\n\n\n

T\u00f4i t\u1eebng v\u1eadn h\u00e0nh m\u1ed9t phanh NC thanh xo\u1eafn n\u01a1i b\u1ea1n ch\u1ec9 l\u1eadp tr\u00ecnh m\u1ed9t \u0111\u1ed9 s\u00e2u Y duy nh\u1ea5t. C\u1ea3 hai xi-lanh di chuy\u1ec3n c\u00f9ng nhau, \u0111\u01b0\u1ee3c n\u1ed1i c\u01a1 h\u1ecdc. N\u1ebfu khung b\u1ecb u\u1ed1n cong trong m\u1ed9t l\u1ea7n u\u1ed1n d\u00e0i v\u00e0 n\u1eb7ng, b\u1ea1n b\u00f9 l\u1ea1i b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng \u0111\u1ed9 s\u00e2u v\u00e0 c\u00f3 th\u1ec3 th\u00eam hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 cong (crowning).<\/p>\n\n\n\n

B\u1ea1n \u0111ang \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng CNC \u0111i\u1ec7n-th\u1ee7y l\u1ef1c hi\u1ec7n \u0111\u1ea1i \u0111o Y1 v\u00e0 Y2 \u0111\u1ed9c l\u1eadp b\u1eb1ng th\u01b0\u1edbc tuy\u1ebfn t\u00ednh g\u1eafn g\u1ea7n piston. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n so s\u00e1nh v\u1ecb tr\u00ed \u0111\u00e3 l\u1eadp tr\u00ecnh v\u1edbi v\u1ecb tr\u00ed th\u1ef1c h\u00e0ng ngh\u00ecn l\u1ea7n m\u1ed7i gi\u00e2y, \u0111i\u1ec1u ch\u1ec9nh van \u0111\u1ec3 gi\u1eef hai b\u00ean \u0111\u1ed3ng b\u1ed9 d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u1eadp tr\u00ecnh m\u1ed9t k\u1ebft qu\u1ea3.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ec3 hi\u1ec7n r\u00f5 tr\u00ean c\u00e1c chi ti\u1ebft d\u00e0i. V\u1edbi h\u1ec7 th\u1ed1ng NC thanh xo\u1eafn, n\u1ebfu m\u1ed9t b\u00ean ch\u1eadm h\u01a1n do t\u1ea3i kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c do xo\u1eafn khung, thanh xo\u1eafn s\u1ebd trung b\u00ecnh h\u00f3a sai s\u1ed1. C\u00f2n v\u1edbi CNC ho\u00e0n ch\u1ec9nh, m\u1ed7i b\u00ean \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh theo th\u1eddi gian th\u1ef1c. L\u1eadp tr\u00ecnh g\u00f3c c\u00f3 th\u1ec3 che gi\u1ea5u nh\u1eefng sai l\u1ec7ch nh\u1ecf tr\u00ean NC, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi \u2014 kh\u00f4ng ph\u1ea3i \u0111i\u1ec1u khi\u1ec3n song song th\u1ef1c s\u1ef1.<\/p>\n\n\n\n

C\u00e1i b\u1eaby \u201cHalfway House\u201d l\u00e0 tin r\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n servo v\u00e0 m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed3ng b\u1ed9 h\u00f3a to\u00e0n b\u1ed9 tr\u1ee5c. N\u1ebfu kh\u00f4ng c\u00f3 ph\u1ea3n h\u1ed3i Y1\/Y2 \u0111\u1ed9c l\u1eadp, b\u1ea1n v\u1eabn \u0111ang tin t\u01b0\u1edfng v\u00e0o khung m\u00e1y nhi\u1ec1u h\u01a1n m\u1ee9c n\u00ean l\u00e0m.<\/p>\n\n\n\n

\u201cV\u1ebft s\u1eb9o c\u00f4ng nghi\u1ec7p\u201d: T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c x\u01b0\u1edfng c\u1ed1 g\u1eafng t\u00ecm s\u1ef1 nh\u1ea5t qu\u00e1n v\u1ec1 g\u00f3c b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed c\u00e1c ch\u1ed1t g\u00e1 \u1edf ph\u00eda sau, trong khi th\u1ee7 ph\u1ea1m th\u1eadt s\u1ef1 l\u1ea1i l\u00e0 h\u00e0nh tr\u00ecnh c\u1ee7a thanh ram kh\u00f4ng \u0111\u1ed3ng b\u1ed9 khi ch\u1ecbu t\u1ea3i.<\/p>\n\n\n\n

Hai m\u00e1y \u0111\u1ec1u c\u00f3 th\u1ec3 tuy\u00ean b\u1ed1 \u0111\u1ea1t 100 t\u1ea5n. M\u1ed9t m\u00e1y t\u1ea1o l\u1ef1c b\u1eb1ng b\u00e1nh \u0111\u00e0 quay, m\u1ed9t d\u00f9ng d\u1ea7u \u00e9p \u00e1p su\u1ea5t, m\u1ed9t d\u00f9ng v\u00edt bi, m\u1ed9t d\u00f9ng kh\u00ed n\u00e9n. M\u1ed9t m\u00e1y \u0111o c\u1ea3 hai b\u00ean c\u1ee7a thanh ram v\u00e0 \u0111i\u1ec1u ch\u1ec9nh trong qu\u00e1 tr\u00ecnh u\u1ed1n; m\u00e1y kia th\u00ec gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng m\u1ecdi th\u1ee9 \u0111\u1ed1i x\u1ee9ng v\u00e0 ch\u1ec9 bi\u1ebft hy v\u1ecdng.<\/p>\n\n\n\n

N\u1ebfu g\u00f3c u\u1ed1n \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u1edd h\u00ecnh h\u1ecdc v\u00e0 qu\u00e1 tr\u00ecnh \u201coverbend\u201d \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1eb1ng l\u1ef1c th\u00f4 \u2014 th\u00ec h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u1ed9ng kh\u00f4ng ch\u1ec9 n\u00f3i v\u1ec1 \u201cm\u1ee9c \u0111\u1ed9 m\u1ea1nh\u201d.\u201d<\/p>\n\n\n\n

N\u00f3 n\u00f3i v\u1ec1 vi\u1ec7c b\u1ea1n c\u00f3 th\u1ec3 d\u1eebng, gi\u1eef, v\u00e0 duy tr\u00ec l\u1ef1c \u0111\u00f3 song song m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c \u0111\u1ebfn m\u1ee9c n\u00e0o khi \u201c\u00e2m nh\u1ea1c\u201d b\u1eaft \u0111\u1ea7u vang l\u00ean.<\/p>\n\n\n\n

V\u00e0 ngay c\u1ea3 v\u1edbi h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u1ed9ng t\u1ed1t nh\u1ea5t th\u1ebf gi\u1edbi, ch\u00ednh khung m\u00e1y v\u1eabn \u0111ang c\u1ed1 u\u1ed1n cong.<\/p>\n\n\n\n

Cu\u1ed9c chi\u1ebfn ch\u1ed1ng bi\u1ebfn d\u1ea1ng: T\u1ea1i sao \u0111\u01a1n v\u1ecb t\u1ea5n tr\u1edf n\u00ean v\u00f4 d\u1ee5ng n\u1ebfu thi\u1ebfu s\u1ef1 song song<\/h2>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t d\u1ea3i th\u00e9p d\u00e0i 10 feet, d\u00e0y 1\/4 inch lo\u1ea1i A36 n\u1eb1m tr\u00ean gi\u01b0\u1eddng m\u00e1y. B\u1ea1n \u0111\u00e3 thi\u1ebft l\u1eadp bi\u1ec3u \u0111\u1ed3 l\u1ef1c ch\u00ednh x\u00e1c. Xi-lanh \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n cho th\u1ea5y hai b\u00ean c\u00e2n b\u1eb1ng tuy\u1ec7t \u0111\u1ed1i trong ph\u1ea1m vi v\u00e0i micron. B\u1ea1n nh\u1ea5n b\u00e0n \u0111\u1ea1p, v\u00e0 t\u1ea5m th\u00e9p u\u1ed1n \u0111\u1ea1t \u0111\u00fang 90 \u0111\u1ed9 khi ch\u1ecbu t\u1ea3i.<\/p>\n\n\n\n

Sau \u0111\u00f3 b\u1ea1n ki\u1ec3m tra l\u1ea1i.<\/p>\n\n\n\n

90 \u0111\u1ed9 \u1edf trung t\u00e2m. 88 \u0111\u1ed9 v\u00e0 m\u1ed9t ch\u00fat \u1edf hai \u0111\u1ea7u.<\/p>\n\n\n\n

Kh\u00f4ng c\u00f3 g\u00ec \u201cm\u1ea5t \u00e1p su\u1ea5t\u201d. Kh\u00f4ng c\u00f3 g\u00ec tr\u01b0\u1ee3t. C\u00e1i di chuy\u1ec3n ch\u00ednh l\u00e0 b\u1ea3n th\u00e2n m\u00e1y. Khi ch\u1ecbu t\u1ea3i \u0111\u1ea7y \u0111\u1ee7, thanh ram v\u00e0 gi\u01b0\u1eddng m\u00e1y b\u1ecb bi\u1ebfn d\u1ea1ng\u2014cong m\u1ed9t c\u00e1ch vi m\u00f4\u2014khi\u1ebfn m\u0169i \u0111\u1ed9t xuy\u00ean s\u00e2u h\u01a1n \u1edf gi\u1eefa so v\u1edbi hai \u0111\u1ea7u. H\u1ec7 th\u1ed1ng d\u1eabn \u0111\u1ed9ng l\u00e0m \u0111\u00fang nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c giao. C\u1ea5u tr\u00fac m\u00e1y truy\u1ec1n l\u1ef1c kh\u00f4ng \u0111\u1ec1u theo chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3. N\u1ebfu g\u00f3c u\u1ed1n xu\u1ea5t ph\u00e1t t\u1eeb h\u00ecnh h\u1ecdc v\u00e0 t\u1eeb qu\u00e1 tr\u00ecnh \u201coverbend\u201d \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t\u2014ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u1ef1c th\u00f4\u2014th\u00ec cu\u1ed9c chi\u1ebfn th\u1ef1c s\u1ef1 kh\u00f4ng n\u1eb1m trong kim lo\u1ea1i, m\u00e0 n\u1eb1m \u1edf ch\u1ed7 kh\u00e1c.<\/p>\n\n\n\n

N\u00f3 n\u1eb1m d\u1ecdc theo 10 feet th\u00e9p \u0111ang c\u1ed1 c\u01b0 x\u1eed nh\u01b0 m\u1ed9t chi\u1ebfc \u201c\u00e2m thoa\u201d b\u1ecb c\u0103ng.<\/p>\n\n\n\n

Vi\u1ec7c t\u0103ng g\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u kh\u00f4ng ch\u1ec9 t\u0103ng g\u1ea5p \u0111\u00f4i l\u1ef1c c\u1ea7n thi\u1ebft; trong u\u1ed1n kh\u00f4ng ch\u1ea1m khu\u00f4n (\u201cair bending\u201d) n\u00f3 t\u0103ng kho\u1ea3ng b\u1ed1n l\u1ea7n v\u00ec l\u1ef1c y\u00eau c\u1ea7u t\u1ef7 l\u1ec7 theo b\u00ecnh ph\u01b0\u01a1ng \u0111\u1ed9 d\u00e0y. U\u1ed1n th\u00e9p m\u1ec1m 1\/8 inch th\u00ec \u1ed5n. Chuy\u1ec3n sang 1\/4 inch c\u00f9ng khu\u00f4n V v\u00e0 t\u1ea3i tr\u1ecdng t\u0103ng nhanh. L\u1ef1c cao h\u01a1n \u0111\u1ea9y m\u1ea1nh h\u01a1n v\u00e0o h\u1ecdng khung v\u00e0 trung t\u00e2m gi\u01b0\u1eddng m\u00e1y, n\u01a1i c\u00f3 kho\u1ea3ng c\u00e1ch d\u00e0i nh\u1ea5t. Bi\u1ebfn d\u1ea1ng t\u0103ng kh\u00f4ng tuy\u1ebfn t\u00ednh, nh\u01b0ng \u201c200 t\u1ea5n\u201d \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o v\u1eabn kh\u00f4ng \u0111\u1ed5i. Gi\u1edbi h\u1ea1n \u0111\u00f3 ch\u1ec9 l\u00e0 m\u1ee9c tr\u1ea7n. \u0110\u1ed9 song song l\u00e0 m\u1ee5c ti\u00eau lu\u00f4n di chuy\u1ec3n.<\/p>\n\n\n\n

\u201cV\u1ebft s\u1eb9o c\u00f4ng nghi\u1ec7p\u201d: T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ed9t x\u01b0\u1edfng \u0111\u1ed5 l\u1ed7i cho s\u1ef1 kh\u00e1c bi\u1ec7t v\u1eadt li\u1ec7u v\u1ec1 \u0111\u1ed9 c\u00f4n 2 \u0111\u1ed9, trong khi nguy\u00ean nh\u00e2n th\u1eadt ch\u1ec9 l\u00e0 bi\u1ebfn d\u1ea1ng gi\u1eefa nh\u1ecbp m\u00e0 h\u1ecd kh\u00f4ng h\u1ec1 \u0111o.<\/p>\n\n\n\n

V\u1eady n\u00ean, ngay c\u1ea3 khi l\u1ef1c ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 s\u00e2u u\u1ed1n \u0111\u1ea1t chu\u1ea9n, l\u00e0m sao \u0111\u1ec3 gi\u1eef cho thanh ram th\u1eadt s\u1ef1 c\u00e2n b\u1eb1ng khi t\u1ea3i tr\u1ecdng t\u1ef1 n\u00f3 thay \u0111\u1ed5i theo chi\u1ec1u d\u1ecdc gi\u01b0\u1eddng?<\/p>\n\n\n\n

V\u1ea5n \u0111\u1ec1 \u0111\u1ed3ng b\u1ed9 h\u00f3a: Gi\u1eef cho thanh ram c\u00e2n b\u1eb1ng khi t\u1ea3i tr\u1ecdng d\u1ecbch chuy\u1ec3n<\/h3>\n\n\n\n

Ch\u1ea1y m\u1ed9t chi ti\u1ebft ng\u1eafn \u1edf ph\u00eda b\u00ean tr\u00e1i. L\u00fac n\u00e0y t\u1ea3i tr\u1ecdng l\u1ec7ch\u2014kh\u00f4ng \u1edf trung t\u00e2m. Xi-lanh b\u00ean tr\u00e1i ch\u1ecbu l\u1ef1c cao h\u01a1n; b\u00ean ph\u1ea3i h\u1ea7u nh\u01b0 ch\u1ea1y nh\u1eb9. Tr\u00ean m\u00e1y c\u0169 d\u00f9ng thanh xo\u1eafn, c\u01a1 c\u1ea5u li\u00ean k\u1ebft c\u01a1 h\u1ecdc bu\u1ed9c c\u1ea3 hai b\u00ean di chuy\u1ec3n c\u00f9ng nhau, san b\u1eb1ng sai s\u1ed1. B\u00ean n\u1eb7ng mu\u1ed1n ch\u1eadm l\u1ea1i; b\u00ean nh\u1eb9 mu\u1ed1n ch\u1ea1y nhanh h\u01a1n. Thanh xo\u1eafn chia \u0111\u00f4i s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u00f3.<\/p>\n\n\n\n

B\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed9ng song song. B\u1ea1n kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c l\u1ef1c b\u1eb1ng nhau.<\/p>\n\n\n\n

C\u00e1c m\u00e1y \u00e9p CNC hi\u1ec7n \u0111\u1ea1i \u0111o Y1 v\u00e0 Y2 \u0111\u1ed9c l\u1eadp b\u1eb1ng th\u01b0\u1edbc \u0111o tuy\u1ebfn t\u00ednh g\u1eafn g\u1ea7n thanh ram. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n so s\u00e1nh v\u1ecb tr\u00ed y\u00eau c\u1ea7u v\u00e0 v\u1ecb tr\u00ed th\u1ef1c h\u00e0ng ng\u00e0n l\u1ea7n m\u1ed7i gi\u00e2y v\u00e0 \u0111i\u1ec1u ch\u1ec9nh t\u1eebng van ri\u00eang r\u1ebd. N\u1ebfu b\u00ean tr\u00e1i ch\u00ecm xu\u1ed1ng do t\u1ea3i n\u1eb7ng h\u01a1n, h\u1ec7 th\u1ed1ng s\u1ebd c\u1ea5p th\u00eam \u00e1p su\u1ea5t \u0111\u1ec3 duy tr\u00ec v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng.<\/p>\n\n\n\n

Nghe c\u00f3 v\u1ebb nh\u01b0 chi\u1ebfn th\u1eafng.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1: khi \u0111\u1ed9 d\u00e0y t\u0103ng l\u00ean ho\u1eb7c chi\u1ec1u r\u1ed9ng khu\u00f4n gi\u1ea3m, t\u1ea3i tr\u1ecdng s\u1ebd t\u0103ng m\u1ea1nh. N\u1ebfu h\u1ea1 th\u1ea5p k\u00edch th\u01b0\u1edbc khe V xu\u1ed1ng kho\u1ea3ng d\u01b0\u1edbi s\u00e1u l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, l\u1ef1c c\u1ea7n thi\u1ebft s\u1ebd t\u0103ng nhanh, k\u00e8m theo v\u1ebft h\u1eb1n tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t kh\u00f3 d\u1ef1 \u0111o\u00e1n. H\u1ec7 th\u1ed1ng hi\u1ec7u ch\u1ec9nh l\u00fac n\u00e0y ph\u1ea3i l\u00e0m vi\u1ec7c v\u1ea5t v\u1ea3 h\u01a1n, t\u0103ng \u00e1p l\u1ef1c m\u1ed9t b\u00ean \u0111\u1ec3 theo \u0111u\u1ed5i s\u1ef1 song song. B\u1ea1n \u0111\u00e3 t\u1ea1o ra m\u1ed9t cu\u1ed9c gi\u1eb1ng co gi\u1eefa s\u1ef1 \u0111\u1ed3ng b\u1ed9 v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a k\u1ebft c\u1ea5u.<\/p>\n\n\n\n

C\u00e1i b\u1eaby \u0110\u1ed3ng B\u1ed9 h\u00f3a l\u00e0 ni\u1ec1m tin r\u1eb1ng v\u1ecb tr\u00ed b\u1eb1ng nhau lu\u00f4n c\u00f3 ngh\u0129a l\u00e0 g\u00f3c b\u1eb1ng nhau. N\u1ebfu khung m\u00e1y b\u1ecb xo\u1eafn nh\u1eb9 d\u01b0\u1edbi t\u1ea3i kh\u00f4ng \u0111\u1ed1i x\u1ee9ng, th\u00ec b\u00e0n tr\u01b0\u1ee3t c\u00f3 th\u1ec3 song song v\u1ec1 m\u1eb7t s\u1ed1 h\u1ecdc trong khi b\u1ea3n th\u00e2n b\u00e0n \u00e9p l\u1ea1i kh\u00f4ng ph\u1ea3n \u1ee9ng m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o ngh\u1ec1 nghi\u1ec7p: T\u00f4i \u0111\u00e3 th\u1ea5y th\u1ee3 v\u1eadn h\u00e0nh ch\u1ec9nh ch\u1ec7ch Y1\/Y2 su\u1ed1t c\u1ea3 ti\u1ebfng \u0111\u1ed3ng h\u1ed3 trong khi th\u1ee7 ph\u1ea1m th\u1ef1c s\u1ef1 l\u00e0 khu\u00f4n h\u1eb9p \u0111ang \u00e2m th\u1ea7m g\u00e2y qu\u00e1 t\u1ea3i m\u1ed9t b\u00ean khung.<\/p>\n\n\n\n

V\u1eady n\u00ean, d\u00f9 ch\u00fang ta gi\u1eef cho b\u00e0n tr\u01b0\u1ee3t c\u00e2n b\u1eb1ng hai b\u00ean, t\u1ea1i sao m\u1ed9t b\u00e0n \u00e9p ho\u00e0n to\u00e0n th\u1eb3ng v\u1eabn cho ra m\u1ed9t n\u1ebfp g\u1ea5p cong \u1edf c\u00e1c chi ti\u1ebft d\u00e0i?<\/p>\n\n\n\n

Ngh\u1ecbch l\u00fd \u0110\u1ed9i L\u00ean: T\u1ea1i sao m\u1ed9t b\u00e0n \u00e9p ho\u00e0n to\u00e0n th\u1eb3ng l\u1ea1i t\u1ea1o ra m\u1ed9t n\u1ebfp g\u1ea5p cong<\/h3>\n\n\n\n

L\u1ea5y v\u00ed d\u1ee5 c\u00f9ng m\u1ed9t n\u1ebfp g\u1ea5p d\u00e0i 10 foot, l\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u00ednh gi\u1eefa. Hai xi-lanh c\u00e2n b\u1eb1ng. Kh\u00f4ng c\u00f3 t\u1ea3i l\u1ec7ch t\u00e2m. Tr\u01b0\u1edbc khi b\u1ea1n nh\u1ea5n b\u00e0n \u0111\u1ea1p, b\u00e0n \u00e9p ho\u00e0n to\u00e0n th\u1eb3ng trong gi\u1edbi h\u1ea1n dung sai gia c\u00f4ng.<\/p>\n\n\n\n

D\u01b0\u1edbi t\u1ea3i tr\u1ecdng, n\u00f3 s\u1ebd kh\u00f4ng gi\u1eef nguy\u00ean nh\u01b0 v\u1eady.<\/p>\n\n\n\n

Khi ch\u00e0y \u00e9p xu\u1ed1ng gi\u1eefa kho\u1ea3ng c\u00e1ch, b\u00e0n \u00e9p v\u00f5ng xu\u1ed1ng t\u1ea1i \u0111\u00f3 trong khi khung b\u00ean ch\u1ed1ng l\u1ea1i. B\u00e0n tr\u01b0\u1ee3t, v\u1edbi chi\u1ec1u r\u1ed9ng t\u01b0\u01a1ng t\u1ef1, cong l\u00ean nh\u1eb9 \u1edf hai \u0111\u1ea7u. C\u00f9ng nhau, ch\u00fang t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh khe h\u1edf: \u0111\u1ed9 xuy\u00ean s\u00e2u nh\u1ea5t \u1edf gi\u1eefa, n\u00f4ng h\u01a1n \u1edf hai \u0111\u1ea7u. K\u1ebft qu\u1ea3 l\u00e0 g\u00f3c u\u1ed1n ch\u1eb7t h\u01a1n \u1edf gi\u1eefa, m\u1edf r\u1ed9ng h\u01a1n \u1edf hai b\u00ean.<\/p>\n\n\n\n

Tr\u1edb tr\u00eau thay, b\u00e0n \u00e9p c\u00e0ng th\u1eb3ng khi \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9, th\u00ec \u0111\u1ed9 cong d\u01b0\u1edbi t\u1ea3i c\u00e0ng d\u1ec5 \u0111o\u00e1n \u2014 v\u00e0 b\u1ea1n c\u00e0ng ph\u1ea3i ch\u1ee7 \u0111\u1ed9ng b\u00f9 tr\u1eeb n\u00f3.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fac h\u1ec7 th\u1ed1ng \u0111\u1ed9i l\u00ean (crowning) xu\u1ea5t hi\u1ec7n. H\u1ec7 th\u1ed1ng \u0111\u1ed9i l\u00ean c\u01a1 h\u1ecdc ho\u1eb7c th\u1ee7y l\u1ef1c t\u1ea1o ra m\u1ed9t v\u00f2ng cung cong l\u00ean c\u00f3 ki\u1ec3m so\u00e1t tr\u00ean b\u00e0n \u00e9p tr\u01b0\u1edbc khi c\u00f3 t\u1ea3i. B\u1ea1n \u0111ang u\u1ed1n s\u1eb5n m\u00e1y \u0111\u1ec3 ch\u1ed1ng l\u1ea1i \u0111\u01b0\u1eddng cong bi\u1ebfn d\u1ea1ng d\u1ef1 ki\u1ebfn. N\u1ebfu \u0111i\u1ec1u ch\u1ec9nh \u0111\u00fang, khi t\u1ea3i tr\u1ecdng \u0111\u1ea7y \u0111\u1ee7 t\u00e1c \u0111\u1ed9ng, b\u00e0n \u00e9p s\u1ebd ph\u1eb3ng l\u1ea1i d\u01b0\u1edbi \u00e1p l\u1ef1c, ph\u00e2n b\u1ed1 l\u1ef1c \u0111\u1ec1u d\u1ecdc theo chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

B\u1ea1n \u0111ang c\u0103n ch\u1ec9nh nh\u1ea1c c\u1ee5 tr\u01b0\u1edbc khi b\u1ea3n nh\u1ea1c b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

N\u1ebfu sai \u2014 \u0111\u1ed9i l\u00ean qu\u00e1 \u00edt \u2014 ph\u1ea7n gi\u1eefa v\u1eabn kh\u00e9p ch\u1eb7t. Qu\u00e1 nhi\u1ec1u \u2014 hai \u0111\u1ea7u u\u1ed1n qu\u00e1 m\u1ee9c. V\u00ec t\u1ea3i tr\u1ecdng t\u1ef7 l\u1ec7 v\u1edbi b\u00ecnh ph\u01b0\u01a1ng \u0111\u1ed9 d\u00e0y, n\u00ean v\u1eadt li\u1ec7u t\u1eeb 3 mm l\u00ean 6 mm kh\u00f4ng ch\u1ec9 c\u1ea7n nhi\u1ec1u l\u1ef1c h\u01a1n; n\u00f3 \u0111\u00f2i h\u1ecfi m\u1ed9t \u0111\u01b0\u1eddng cong b\u00f9 tr\u1eeb kh\u00e1c. H\u1ec7 th\u1ed1ng \u0111\u1ed9i l\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e0i \u0111\u1eb7t m\u1ed9t l\u1ea7n cho m\u00e3i m\u00e3i. \u0110\u00f3 l\u00e0 m\u1ed9t \u0111i\u1ec1u ch\u1ec9nh linh ho\u1ea1t, g\u1eafn v\u1edbi h\u00ecnh h\u1ecdc, \u0111\u1ed9 m\u1edf khu\u00f4n v\u00e0 gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o ngh\u1ec1 nghi\u1ec7p: T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t \u0111\u1ed9i th\u1ee3 t\u1ea1o g\u00f3c ho\u00e0n h\u1ea3o su\u1ed1t bu\u1ed5i s\u00e1ng, r\u1ed3i chuy\u1ec3n sang v\u1eadt li\u1ec7u d\u00e0y h\u01a1n sau b\u1eefa tr\u01b0a, v\u00e0 d\u00e0nh c\u1ea3 bu\u1ed5i chi\u1ec1u \u0111\u1ed5 l\u1ed7i cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh trong khi th\u1ee9 duy nh\u1ea5t thay \u0111\u1ed5i l\u00e0 \u0111\u01b0\u1eddng cong bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y \u0111\u01b0a ta \u0111\u1ebfn s\u1ef1 th\u1eadt kh\u00f3 ch\u1ecbu: trong nhi\u1ec1u th\u1eadp k\u1ef7, th\u1ee3 v\u1eadn h\u00e0nh \u0111\u00e3 b\u00f9 tr\u1eeb b\u1eb1ng c\u1ea3m gi\u00e1c v\u00e0 th\u1eed nghi\u1ec7m. Gi\u1edd \u0111\u00e2y, m\u00e1y m\u00f3c h\u1ee9a h\u1eb9n s\u1ebd ngh\u0129 thay cho b\u1ea1n.<\/p>\n\n\n\n

Hi\u1ec7u ch\u1ec9nh \u0111i\u1ec7n t\u1eed: Khi c\u1ea3m bi\u1ebfn thay th\u1ebf s\u1ef1 ph\u00e1n \u0111o\u00e1n c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/h3>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i \u0111o v\u1ecb tr\u00ed b\u00e0n tr\u01b0\u1ee3t b\u1eb1ng b\u1ed9 m\u00e3 h\u00f3a tuy\u1ebfn t\u00ednh v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, \u01b0\u1edbc l\u01b0\u1ee3ng t\u1ea3i qua c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tra c\u1ee9u trong th\u01b0 vi\u1ec7n v\u1eadt li\u1ec7u \u2014 \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 m\u1edf khu\u00f4n \u2014 v\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 bi\u1ebfn d\u1ea1ng d\u1ef1 ki\u1ebfn. Sau \u0111\u00f3, n\u00f3 t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u0111\u1ed9i l\u00ean v\u00e0 \u0111\u1ed9 s\u00e2u b\u00e0n tr\u01b0\u1ee3t trong su\u1ed1t qu\u00e1 tr\u00ecnh \u00e9p.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng ch\u1ec9 ra l\u1ec7nh cho \u0111\u1ed9 s\u00e2u. B\u1ea1n \u0111ang l\u1eadp tr\u00ecnh cho m\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c d\u1ef1 \u0111o\u00e1n.<\/p>\n\n\n\n

V\u1edbi thi\u1ebft k\u1ebf \u00e9p xu\u1ed1ng \u0111i\u1ec7n\u2013th\u1ee7y l\u1ef1c, qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9 di\u1ec5n ra li\u00ean t\u1ee5c khi b\u00e0n tr\u01b0\u1ee3t ti\u1ebfn g\u1ea7n \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi. M\u00e1y c\u00f3 th\u1ec3 gi\u1ea3m t\u1ed1c, hi\u1ec7u ch\u1ec9nh sai l\u1ec7ch Y1\/Y2, v\u00e0 \u00e1p d\u1ee5ng \u0111\u1ed9i l\u00ean \u0111\u1ed9ng d\u1ef1a tr\u00ean ph\u1ea3n h\u1ed3i theo th\u1eddi gian th\u1ef1c. N\u1ebfu l\u00e0m \u0111\u00fang, \u0111\u1ed9 sai l\u1ec7ch g\u00f3c d\u1ecdc theo n\u1ebfp g\u1ea5p d\u00e0i s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi m\u00e1y th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n

Nh\u01b0ng c\u1ea3m bi\u1ebfn kh\u00f4ng l\u00e0m th\u00e9p c\u1ee9ng h\u01a1n.<\/p>\n\n\n\n

N\u1ebfu khung thi\u1ebfu \u0111\u1ed9 c\u1ee9ng, hi\u1ec7u ch\u1ec9nh \u0111i\u1ec7n t\u1eed s\u1ebd t\u0103ng \u00e1p l\u1ef1c c\u1ee5c b\u1ed9 \u0111\u1ec3 gi\u1eef v\u1ecb tr\u00ed, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng bi\u1ebfn d\u1ea1ng k\u1ebft c\u1ea5u \u1edf n\u01a1i kh\u00e1c. C\u00e1c h\u1ec7 th\u1ed1ng \u00e9p xu\u1ed1ng ki\u1ec3u JEELIX c\u1ea3i thi\u1ec7n \u0111\u1ed9 song song, \u0111\u00fang v\u1eady \u2014 nh\u01b0ng ch\u00fang c\u0169ng \u0111\u00f2i h\u1ecfi gi\u00e1m s\u00e1t t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c v\u00ec ch\u00ednh vi\u1ec7c b\u00f9 tr\u1eeb \u0111\u00e3 ph\u00e2n ph\u1ed1i l\u1ea1i l\u1ef1c. B\u1ea1n \u0111ang gi\u1ea3i quy\u1ebft m\u1ed9t v\u00e9c-t\u01a1 sai s\u1ed1 trong khi khi\u1ebfn m\u1ed9t v\u00e9c-t\u01a1 kh\u00e1c t\u0103ng l\u00ean.<\/p>\n\n\n\n

C\u00e1i b\u1eaby qu\u1ea7ng h\u00e0o quang c\u1ee7a t\u1ef1 \u0111\u1ed9ng h\u00f3a cho r\u1eb1ng ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 h\u1ee7y b\u1ecf v\u1eadt l\u00fd. N\u00f3 ch\u1ec9 m\u00f4 ph\u1ecfng v\u1eadt l\u00fd \u2014 v\u00e0 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ea1n kh\u1edbp v\u1edbi th\u1ef1c t\u1ebf \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n

M\u00f4 s\u1eb9o: T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y c\u1ea3m bi\u1ebfn g\u00f3c che gi\u1ea5u v\u1ea5n \u0111\u1ec1 m\u1ecfi khung t\u1eeb t\u1eeb trong nhi\u1ec1u th\u00e1ng, cho \u0111\u1ebfn m\u1ed9t ng\u00e0y kh\u1ea3 n\u0103ng b\u00f9 tr\u1eeb c\u1ee7a n\u00f3 c\u1ea1n h\u00e0nh tr\u00ecnh v\u00e0 ph\u1ea7n l\u1ec7ch h\u00ecnh n\u00eam quay tr\u1edf l\u1ea1i v\u1edbi \u201cr\u0103ng nanh\u201d.<\/p>\n\n\n\n

V\u00ec v\u1eady ch\u00fang ta \u0111\u00e3 trung h\u00f2a \u0111\u1ed9 tr\u00f4i c\u1ee7a xy lanh, u\u1ed1n cong s\u1eb5n m\u1eb7t gi\u01b0\u1eddng \u0111\u1ec3 b\u00f9 l\u1ea1i \u0111\u1ed9 v\u00f5ng c\u1ee7a ch\u00ednh n\u00f3, v\u00e0 \u0111\u1ec3 \u0111i\u1ec7n t\u1eed tinh ch\u1ec9nh v\u00e0i micron cu\u1ed1i c\u00f9ng. Ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 k\u1ef9 n\u0103ng h\u00e0ng ng\u00e0y: ch\u1ecdn t\u1ef7 l\u1ec7 d\u1ee5ng c\u1ee5 kh\u00f4ng l\u00e0m t\u0103ng \u0111\u1ed9t ng\u1ed9t l\u1ef1c \u00e9p, \u0111\u1eb7t ch\u1eb7n sau sao cho kh\u00f4ng l\u00e0m v\u1eb7n chi ti\u1ebft d\u01b0\u1edbi t\u1ea3i b\u1ea5t \u0111\u1ed1i x\u1ee9ng, v\u00e0 \u0111i\u1ec1u khi\u1ec3n h\u00e0nh tr\u00ecnh sao cho \u0111\u1ed9 u\u1ed1n v\u01b0\u1ee3t v\u1eeba kh\u1edbp v\u1edbi \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i th\u1ef1c t\u1ebf \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c gi\u00e1 tr\u1ecb trong danh m\u1ee5c.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 n\u01a1i m\u00e0 l\u00fd thuy\u1ebft bi\u1ebfn d\u1ea1ng ho\u1eb7c l\u00e0 s\u1ed1ng s\u00f3t sau khi ti\u1ebfp x\u00fac v\u1edbi s\u00e0n x\u01b0\u1edfng, ho\u1eb7c b\u1ecb nghi\u1ec1n n\u00e1t d\u01b0\u1edbi ch\u00ednh c\u00e1c gi\u1ea3 \u0111\u1ecbnh c\u1ee7a n\u00f3.<\/p>\n\n\n\n

T\u1eeb C\u01a1 C\u1ea5u \u0111\u1ebfn Ph\u01b0\u01a1ng Ph\u00e1p: Gi\u1ea3i Ph\u1eabu T\u1eebng B\u01b0\u1edbc c\u1ee7a M\u1ed9t L\u1ea7n U\u1ed1n<\/h2>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t t\u1ea5m th\u00e9p m\u1ec1m d\u00e0y 1\/8 inch, d\u00e0i 10 foot, \u0111\u1eb7t tr\u00ean gi\u01b0\u1eddng m\u00e1y. B\u1ea1n \u0111\u00e3 c\u0103n ch\u1ec9nh \u0111\u1ed9 cong c\u1ee7a m\u00e1y cho ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i. Th\u01b0 vi\u1ec7n v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp. M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb 92 t\u1ea5n.<\/p>\n\n\n\n

B\u1ea1n \u0111\u1ea1p b\u00e0n \u0111\u1ea1p.<\/p>\n\n\n\n

T\u1ea5m kim lo\u1ea1i \u0111\u1ea1t 90 \u0111\u1ed9 d\u01b0\u1edbi t\u1ea3i.<\/p>\n\n\n\n

V\u00e0 khi xy lanh n\u00e2ng l\u00ean, n\u00f3 gi\u00e3n ra th\u00e0nh 94 \u0111\u1ed9.<\/p>\n\n\n\n

B\u1ed1n \u0111\u1ed9 \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u1ed7i. \u0110\u00f3 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 t\u1ea3i \u0111\u01b0\u1ee3c g\u1ee1 b\u1ecf. Nh\u01b0ng kim lo\u1ea1i kh\u00f4ng ph\u1ea3i mi\u1ebfng b\u1ecdt bi\u1ec3n. N\u00f3 kh\u00f4ng b\u1eadt l\u1ea1i ng\u1eabu nhi\u00ean. N\u00f3 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i t\u00edch tr\u1eef d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y, chi\u1ec1u r\u1ed9ng khu\u00f4n, v\u00e0 gi\u1edbi h\u1ea1n ch\u1ea3y. N\u1ebfu g\u00f3c \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ed9 u\u1ed1n v\u01b0\u1ee3t c\u00f3 ki\u1ec3m so\u00e1t \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1edfi l\u1ef1c n\u00e9n th\u00f4 \u2014 th\u00ec cu\u1ed9c chi\u1ebfn th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 di\u1ec5n ra b\u00ean trong kim lo\u1ea1i, m\u00e0 n\u1eb1m \u1edf c\u00e1ch b\u1ea1n s\u1eafp x\u1ebfp chu\u1ed7i thao t\u00e1c \u0111\u1ec3 m\u00e1y, d\u1ee5ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u c\u00f9ng \u0111\u1ea1t c\u00f9ng m\u1ed9t k\u1ebft qu\u1ea3 v\u00e0o c\u00f9ng th\u1eddi \u0111i\u1ec3m.<\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n th\u1ef1c s\u1ef1 l\u00e0m \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n

Ng\u00f4n ng\u1eef b\u00ed m\u1eadt c\u1ee7a khu\u00f4n V v\u00e0 ch\u00e0y: B\u1ea3n \u0111\u1ed3 d\u00f2ng ch\u1ea3y c\u1ee7a kim lo\u1ea1i<\/h3>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi khu\u00f4n, kh\u00f4ng ph\u1ea3i b\u1ea3ng t\u00ednh l\u1ef1c \u00e9p.<\/p>\n\n\n\n

L\u1ea5y c\u00f9ng t\u1ea5m th\u00e9p m\u1ec1m d\u00e0y 1\/8 inch \u2014 t\u1ee9c 0,125 inch. M\u1ed9t quy t\u1eafc kinh nghi\u1ec7m ph\u1ed5 bi\u1ebfn l\u00e0 kh\u1ea9u \u0111\u1ed9 khu\u00f4n V b\u1eb1ng kho\u1ea3ng 8 l\u1ea7n \u0111\u1ed9 d\u00e0y. T\u1ee9c khu\u00f4n 1 inch. C\u1eafm v\u00e0o c\u00f4ng th\u1ee9c u\u1ed1n kh\u00f4ng ch\u1ea1m ti\u00eau chu\u1ea9n th\u00ec b\u1ea1n s\u1ebd \u1edf m\u1ee9c kho\u1ea3ng 14\u201315 t\u1ea5n m\u1ed7i foot. K\u00e9o d\u00e0i th\u00e0nh 10 foot l\u00e0 g\u1ea7n 150 t\u1ea5n.<\/p>\n\n\n\n

B\u00e2y gi\u1edd gi\u1ea3m n\u1eeda kh\u1ea9u \u0111\u1ed9 khu\u00f4n xu\u1ed1ng c\u00f2n 0,5 inch. C\u00f9ng v\u1eadt li\u1ec7u. C\u00f9ng chi\u1ec1u d\u00e0i. L\u1ef1c c\u1ea7n thi\u1ebft g\u1ea7n nh\u01b0 g\u1ea5p \u0111\u00f4i v\u00ec l\u1ef1c \u00e9p t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi chi\u1ec1u r\u1ed9ng khu\u00f4n. B\u1ea1n kh\u00f4ng thay \u0111\u1ed5i chi ti\u1ebft. B\u1ea1n thay \u0111\u1ed5i h\u00ecnh h\u1ecdc. V\u00e0 khung m\u00e1y gi\u1edd l\u1ea1i bi\u1ebfn d\u1ea1ng nhi\u1ec1u h\u01a1n d\u01b0\u1edbi c\u00f9ng m\u1ed9t c\u00f4ng vi\u1ec7c.<\/p>\n\n\n\n

C\u00e1i b\u1eaby h\u00ecnh h\u1ecdc l\u00e0 cho r\u1eb1ng khu\u00f4n ch\u1eb7t h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n. Th\u1ef1c t\u1ebf ch\u00fang l\u1ea1i k\u00e9o theo t\u1ea3i cao h\u01a1n v\u00e0 bi\u1ebfn d\u1ea1ng nhi\u1ec1u h\u01a1n c\u1ea7n ph\u1ea3i b\u00f9.<\/p>\n\n\n\n

M\u00f4 s\u1eb9o: T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y th\u1ee3 v\u1eadn h\u00e0nh c\u1ed1 \u0111u\u1ed5i theo \u0111\u1ed9 nghi\u00eang 2 \u0111\u1ed9 v\u1ed1n sinh ra ngay khi h\u1ecd \u0111\u1ed5i sang khu\u00f4n h\u1eb9p \u201ccho ch\u00ednh x\u00e1c\u201d.\u201d<\/p>\n\n\n\n

Khu\u00f4n ki\u1ec3m so\u00e1t b\u00e1n k\u00ednh cong trong \u2014 x\u1ea5p x\u1ec9 16 ph\u1ea7n tr\u0103m kh\u1ea9u \u0111\u1ed9 khu\u00f4n V trong u\u1ed1n kh\u00f4ng ch\u1ea1m. B\u00e1n k\u00ednh \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh s\u1ee3i ngo\u00e0i gi\u00e3n bao nhi\u00eau v\u00e0 bao nhi\u00eau n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c t\u00edch tr\u1eef. B\u00e1n k\u00ednh nh\u1ecf h\u01a1n, n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i nhi\u1ec1u h\u01a1n, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i l\u1edbn h\u01a1n c\u1ea7n b\u00f9. B\u1ea1n kh\u00f4ng \u201c\u00e9p\u201d ra 90 \u0111\u1ed9. B\u1ea1n u\u1ed1n v\u01b0\u1ee3t xu\u1ed1ng 86 ho\u1eb7c 88 d\u01b0\u1edbi t\u1ea3i \u0111\u1ec3 n\u00f3 h\u1ed3i l\u1ea1i th\u00e0nh 90 sau khi nh\u1ea3 t\u1ea3i.<\/p>\n\n\n\n

\u0110\u1ed9 u\u1ed1n v\u01b0\u1ee3t \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi h\u00ecnh h\u1ecdc. Kh\u00f4ng ph\u1ea3i b\u1edfi c\u00e1i t\u00f4i.<\/p>\n\n\n\n

\u00c9p d\u1eadp to\u00e0n ph\u1ea7n (coining) c\u00f3 v\u1ebb nh\u01b0 m\u1ed9t l\u1ed1i t\u1eaft. \u00c9p ch\u00e0y xu\u1ed1ng ch\u1eb7t v\u00e0o khu\u00f4n, v\u01b0\u1ee3t gi\u1edbi h\u1ea1n ch\u1ea3y tr\u00ean to\u00e0n chi\u1ec1u d\u00e0y, v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i l\u1ea1i g\u1ea7n nh\u01b0 bi\u1ebfn m\u1ea5t v\u00ec b\u1ea1n \u0111\u00e3 l\u00e0m bi\u1ebfn d\u1ea1ng d\u1ebbo v\u1eadt li\u1ec7u kh\u00edt v\u1edbi d\u1ee5ng c\u1ee5. Nh\u01b0ng \u00e9p d\u1eadp l\u00e0m l\u1ef1c \u00e9p t\u0103ng g\u1ea5p ba \u0111\u1ebfn n\u0103m l\u1ea7n so v\u1edbi u\u1ed1n kh\u00f4ng ch\u1ea1m. Khung m\u00e1y, xy lanh, ch\u1ed1t \u2014 m\u1ecdi th\u1ee9 \u0111\u1ec1u ch\u1ecbu c\u00fa s\u1ed1c \u0111\u00f3. Rung \u0111\u1ed9ng xu\u1ea5t hi\u1ec7n. C\u1ea3nh b\u00e1o qu\u00e1 t\u1ea3i kh\u1ea9n c\u1ea5p b\u1eadt l\u00ean.<\/p>\n\n\n\n

B\u1ea1n \u0111\u00e3 trao \u0111\u1ed5i s\u1ef1 b\u1ea5t \u0111\u1ecbnh \u0111\u00e0n h\u1ed3i \u0111\u1ec3 l\u1ea5y bi\u1ebfn d\u1ea1ng c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

V\u00ec v\u1eady, shim \u0111\u1ea7u ti\u00ean trong cu\u1ed9c tranh lu\u1eadn ba h\u01b0\u1edbng n\u00e0y l\u00e0 h\u00ecnh h\u1ecdc d\u1ee5ng c\u1ee5. Ch\u1ecdn m\u1ed9t khu\u00f4n \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 gi\u1eef t\u1ea3i tr\u1ecdng \u2014 v\u00e0 do \u0111\u00f3 \u0111\u1ed9 l\u1ec7ch \u2014 trong ph\u1ea1m vi c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t. Ch\u1ecdn b\u00e1n k\u00ednh ch\u00e0y ph\u00f9 h\u1ee3p v\u1edbi b\u00e1n k\u00ednh trong m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng k\u00e9o qu\u00e1 m\u1ee9c c\u00e1c s\u1ee3i b\u00ean ngo\u00e0i. L\u1eadp s\u01a1 \u0111\u1ed3 d\u00f2ng ch\u1ea3y kim lo\u1ea1i tr\u01b0\u1edbc khi b\u1ea1n ch\u1ea1m v\u00e0o b\u00e0n \u0111\u1ea1p.<\/p>\n\n\n\n

Sau \u0111\u00f3, b\u1ea1n h\u1ecfi: n\u1ebfu h\u00ecnh h\u1ecdc x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng g\u1ea5p, l\u00e0m sao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi chi ti\u1ebft th\u1ef1c s\u1ef1 n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng \u0111\u00f3?<\/p>\n\n\n\n

B\u00e0n tay k\u1ef9 thu\u1eadt s\u1ed1: T\u1ea1i sao th\u01b0\u1edbc ch\u1eb7n ph\u00eda sau l\u00e0 anh h\u00f9ng th\u1ea7m l\u1eb7ng c\u1ee7a \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n\n\n\n

M\u1ed9t l\u1ea7n t\u00f4i xem m\u1ed9t nh\u00e2n vi\u00ean m\u1edbi ch\u1ea1y m\u1ed9t lo\u1ea1t gi\u00e1 \u0111\u1ee1. G\u00f3c th\u00ec c\u1ef1c k\u1ef3 nh\u1ea5t qu\u00e1n. Chi\u1ec1u d\u00e0i th\u00ec kh\u00f4ng. M\u1ed9t s\u1ed1 g\u1edd l\u1ec7ch kho\u1ea3ng 0,020 inch. Anh ta c\u1ee9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u, tin r\u1eb1ng tr\u1ee5c tr\u01b0\u1ee3t \u0111ang b\u1ecb l\u1ec7ch.<\/p>\n\n\n\n

Kh\u00f4ng ph\u1ea3i v\u1eady.<\/p>\n\n\n\n

C\u00e1c ng\u00f3n ch\u1eb7n ph\u00eda sau h\u01a1i l\u1ec7ch song song \u2014 v\u00e0i ngh\u00ecn ph\u1ea7n inch tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i. Khi t\u1ea5m kim lo\u1ea1i t\u1ef1a v\u00e0o ch\u00fang, n\u00f3 xo\u1eafn vi m\u00f4 tr\u01b0\u1edbc khi ch\u00e0y ch\u1ea1m v\u00e0o. M\u00e1y u\u1ed1n ch\u00ednh x\u00e1c theo l\u1ec7nh. Ch\u1ec9 c\u00f3 \u0111i\u1ec1u chi ti\u1ebft kh\u00f4ng n\u1eb1m vu\u00f4ng g\u00f3c.<\/p>\n\n\n\n

Th\u01b0\u1edbc ch\u1eb7n ph\u00eda sau l\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb tuy\u1ebfn t\u00ednh \u2014 th\u01b0\u1eddng l\u00e0 v\u00edt bi ho\u1eb7c d\u00e2y \u0111ai d\u1eabn \u0111\u1ed9ng b\u1eb1ng servo, c\u00f3 th\u1ec3 ph\u00e2n gi\u1ea3i \u0111\u1ebfn v\u00e0i micron. Ch\u00fang kh\u00f4ng ch\u1ec9 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i g\u1edd. Ch\u00fang c\u00f2n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed b\u1eaft \u0111\u1ea7u c\u1ee7a tr\u1ee5c trung h\u00f2a c\u1ee7a \u0111\u01b0\u1eddng u\u1ed1n so v\u1edbi \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a d\u1ee5ng c\u1ee5. N\u1ebfu m\u1ed9t ng\u00f3n ch\u1eb7n \u0111i tr\u01b0\u1edbc ng\u00f3n kia 0,003 inch tr\u00ean chi ti\u1ebft d\u00e0i 10 foot, b\u1ea1n \u0111\u00e3 d\u1ef1ng n\u00ean m\u1ed9t \u0111\u01b0\u1eddng ch\u00e9o trong thi\u1ebft l\u1eadp.<\/p>\n\n\n\n

M\u00e1y s\u1ebd trung th\u00e0nh u\u1ed1n theo \u0111\u01b0\u1eddng ch\u00e9o \u0111\u00f3.<\/p>\n\n\n\n

B\u1eaby C\u0103n Ch\u1ec9nh l\u00e0 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng hi\u1ec3n th\u1ecb k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ed3ng ngh\u0129a v\u1edbi s\u1ef1 th\u1eadt v\u1eadt l\u00fd. B\u1ed9 m\u00e3 h\u00f3a ch\u1ec9 b\u00e1o v\u1ecb tr\u00ed v\u00edt, ch\u1ee9 kh\u00f4ng cho bi\u1ebft c\u00e1c ng\u00f3n ch\u1eb7n c\u00f3 \u0111\u1ed3ng ph\u1eb3ng khi ch\u1ecbu t\u1ea3i hay kh\u00f4ng.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o kinh nghi\u1ec7m: t\u00f4i t\u1eebng th\u1ea5y s\u1ef1 \u0111\u1ed3ng b\u1ed9 ho\u00e0n h\u1ea3o Y1\/Y2 b\u1ecb \u0111\u1ed5 l\u1ed7i cho chi ti\u1ebft b\u1ecb v\u00e1t, trong khi th\u1ee7 ph\u1ea1m th\u1eadt s\u1ef1 l\u00e0 thanh ray th\u01b0\u1edbc ch\u1eb7n ph\u00eda sau d\u00ednh \u0111\u1ea7y m\u1ea1t kim lo\u1ea1i.<\/p>\n\n\n\n

V\u1edbi chi ti\u1ebft d\u00e0i, b\u1ea1n \u0111\u1ee1 t\u1ea5m kim lo\u1ea1i \u0111\u1ec3 tr\u1ecdng l\u1ef1c kh\u00f4ng l\u00e0m n\u00f3 tr\u01b0\u1ee3t kh\u1ecfi c\u00e1c ng\u00f3n ch\u1eb7n. V\u1edbi chi ti\u1ebft b\u1ea5t \u0111\u1ed1i x\u1ee9ng, b\u1ea1n \u0111\u1ecbnh v\u1ecb l\u1ea1i th\u01b0\u1edbc ch\u1eb7n \u0111\u1ec3 tr\u00e1nh \u0111ang \u0111\u1ea9y v\u1eadt li\u1ec7u sang m\u1ed9t b\u00ean khi tr\u1ee5c tr\u01b0\u1ee3t h\u1ea1 xu\u1ed1ng. M\u1ed7i \u0111i\u1ec3m ti\u1ebfp x\u00fac l\u00e0 m\u1ed9t c\u00e1nh tay \u0111\u00f2n c\u00f3 th\u1ec3 xo\u1eafn ph\u00f4i tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

T\u00ednh song song kh\u00f4ng ch\u1ec9 v\u1ec1 tr\u1ee5c tr\u01b0\u1ee3t v\u00e0 b\u00e0n \u0111\u1ee1. M\u00e0 c\u00f2n v\u1ec1 c\u00e1ch ph\u00f4i b\u01b0\u1edbc v\u00e0o \u201ccu\u1ed9c chi\u1ebfn\u201d.<\/p>\n\n\n\n

V\u1eady l\u00e0 h\u00ecnh h\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, ph\u00f4i \u0111\u01b0\u1ee3c \u0111\u1eb7t vu\u00f4ng g\u00f3c. Gi\u1edd \u0111\u1ebfn kho\u1ea3nh kh\u1eafc ph\u00e2n bi\u1ec7t gi\u1eefa phanh c\u01a1 h\u1ecdc v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n: c\u00e1ch h\u00e0nh tr\u00ecnh quy\u1ebft \u0111\u1ecbnh khi n\u00e0o l\u00e0 \u0111\u1ee7.<\/p>\n\n\n\n

H\u00e0nh Tr\u00ecnh: \u0110i\u1ec1u M\u00e1y \u201cC\u1ea3m Nh\u1eadn\u201d Tr\u01b0\u1edbc Khi Quy\u1ebft \u0110\u1ecbnh D\u1eebng<\/h3>\n\n\n\n

Tr\u00ean m\u1ed9t m\u00e1y phanh \u0111i\u1ec7n-th\u1ee7y l\u1ef1c hi\u1ec7n \u0111\u1ea1i, c\u00e1c b\u1ed9 m\u00e3 h\u00f3a tuy\u1ebfn t\u00ednh n\u1eb1m \u1edf m\u1ed7i khung b\u00ean \u0111o v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a tr\u1ee5c tr\u01b0\u1ee3t, kh\u00f4ng ch\u1ec9 h\u00e0nh tr\u00ecnh xi lanh. C\u00e1c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111o t\u1ea3i th\u1ee7y l\u1ef1c. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n so s\u00e1nh \u0111\u1ed9 s\u00e2u m\u1ee5c ti\u00eau v\u1edbi ph\u1ea3n h\u1ed3i th\u1eddi gian th\u1ef1c h\u00e0ng ngh\u00ecn l\u1ea7n trong su\u1ed1t h\u00e0nh tr\u00ecnh \u0111i xu\u1ed1ng.<\/p>\n\n\n\n

N\u00f3 kh\u00f4ng ph\u1ecfng \u0111o\u00e1n. N\u00f3 \u0111ang hi\u1ec7u ch\u1ec9nh.<\/p>\n\n\n\n

Khi ch\u00e0y ti\u1ebfp x\u00fac v\u1edbi t\u1ea5m kim lo\u1ea1i, t\u1ea3i t\u0103ng m\u1ea1nh. Khung b\u1eaft \u0111\u1ea7u gi\u00e3n \u2014 \u0111\u00fang v\u1eady, gi\u00e3n \u2014 v\u00e0i ph\u1ea7n ngh\u00ecn inch. S\u1ef1 gi\u00e3n n\u00e0y c\u00f3 ngh\u0129a l\u00e0 tr\u1ee5c tr\u01b0\u1ee3t c\u00f3 th\u1ec3 \u1edf \u0111\u1ed9 s\u00e2u \u0111\u00e3 l\u1eadp tr\u00ecnh so v\u1edbi xi lanh nh\u01b0ng ch\u01b0a \u0111\u1ea1t so v\u1edbi b\u00e0n. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ti\u1ebfp t\u1ee5c t\u0103ng \u00e1p cho \u0111\u1ebfn khi ph\u1ea3n h\u1ed3i t\u1eeb m\u00e3 h\u00f3a cho bi\u1ebft v\u1ecb tr\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ec7nh \u0111\u1ea1t \u0111\u1ebfn d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed9t l\u1ea7n u\u1ed1n c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ed9 xuy\u00ean s\u00e2u h\u01a1n 0,010 inch d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u0111\u1ea7y \u0111\u1ee7 so v\u1edbi g\u1ee3i \u00fd khi kh\u00f4ng c\u00f3 t\u1ea3i.<\/p>\n\n\n\n

V\u1ebft s\u1eb9o kinh nghi\u1ec7m: t\u00f4i \u0111\u00e3 \u0111o nh\u1eefng m\u00e1y cao h\u01a1n 0,006 inch khi ngh\u1ec9 so v\u1edbi khi ch\u1ecbu l\u1ef1c 120 t\u1ea5n. Th\u00e9p lu\u00f4n bi\u1ebfn d\u1ea1ng. Lu\u00f4n lu\u00f4n.<\/p>\n\n\n\n

M\u00e1y phanh c\u01a1 h\u1ecdc kh\u00f4ng \u201cc\u1ea3m nh\u1eadn\u201d \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y. Tr\u1ee5c khu\u1ef7u \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1ee3t \u0111\u1ebfn \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi c\u1ed1 \u0111\u1ecbnh. N\u1ebfu \u0111\u1ed9 l\u1ec7ch thay \u0111\u1ed5i theo v\u1eadt li\u1ec7u ho\u1eb7c chi\u1ec1u d\u00e0i, c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 ch\u1ec9nh l\u00e0 th\u1ee7 c\u00f4ng sau \u0111\u00f3. H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c v\u00e0 servo-\u0111i\u1ec7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u \u0111\u1ed9ng, nh\u01b0ng ch\u00fang v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n \u0111\u1ed9 c\u1ee9ng c\u1ee7a khung. N\u1ebfu l\u1ef1c y\u00eau c\u1ea7u t\u0103ng g\u1ea5p \u0111\u00f4i v\u00ec b\u1ea1n t\u0103ng g\u1ea5p \u0111\u00f4i chi\u1ec1u d\u00e0i u\u1ed1n, \u0111\u1ed9 l\u1ec7ch c\u0169ng t\u0103ng g\u1ea5p \u0111\u00f4i. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u00f9 trong ph\u1ea1m vi h\u00e0nh tr\u00ecnh \u2014 n\u00f3 kh\u00f4ng l\u00e0m cho khung ch\u1eef C d\u00e0y h\u01a1n.<\/p>\n\n\n\n

C\u00e1i b\u1eaby c\u1ee7a s\u1ef1 t\u1ef1 tin th\u00e1i qu\u00e1 l\u00e0 tin r\u1eb1ng v\u00ec h\u1ea7u h\u1ebft c\u00e1c l\u1ea7n u\u1ed1n \u0111\u1ec1u th\u00e0nh c\u00f4ng, n\u00ean k\u1ecbch t\u00ednh \u0111\u00e3 bi\u1ebfn m\u1ea5t. C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea3n h\u1ed3i hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 khi\u1ebfn vi\u1ec7c gi\u1eef c\u00e2n b\u1eb1ng tr\u1edf th\u00e0nh th\u01b0\u1eddng l\u1ec7, ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00f4 ngh\u0129a. T\u00e1m m\u01b0\u01a1i ph\u1ea7n tr\u0103m c\u00e1c chi ti\u1ebft s\u1ea3n xu\u1ea5t th\u00e0nh c\u00f4ng l\u00e0 v\u00ec ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 cung c\u1ea5p cho m\u00e1y h\u00ecnh h\u1ecdc trung th\u1ef1c, d\u1eef li\u1ec7u v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn khu\u00f4n gi\u00fap gi\u1eef l\u1ef1c \u00e9p trong v\u00f9ng \u0111\u00e0n h\u1ed3i tho\u1ea3i m\u00e1i c\u1ee7a m\u00e1y.<\/p>\n\n\n\n

Khi c\u1ea3 ba y\u1ebfu t\u1ed1 \u2014 h\u00ecnh h\u1ecdc c\u1ee7a d\u1ee5ng c\u1ee5, h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u, v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ram \u2014 \u0111\u1ed3ng nh\u1ea5t, g\u00f3c u\u1ed1n \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c trong ph\u1ea1m vi v\u00e0i ph\u1ea7n ngh\u00ecn tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng nghi\u1ec1n n\u00e1t kim lo\u1ea1i \u0111\u1ec3 b\u1eaft n\u00f3 ph\u1ee5c t\u00f9ng.<\/p>\n\n\n\n

B\u1ea1n \u0111\u00e3 ch\u1ec9nh m\u1ed9t nh\u1ea1c c\u1ee5 th\u00e9p d\u00e0i v\u00e0 n\u1eb7ng \u0111ang ch\u1ecbu l\u1ef1c c\u0103ng cho \u0111\u1ebfn khi n\u1ed1t nh\u1ea1c ng\u00e2n vang \u0111\u00fang \u0111i\u1ec7u.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c: n\u1ebfu vi\u1ec7c v\u1eadn h\u00e0nh press brake th\u1ef1c ch\u1ea5t l\u00e0 v\u1ec1 s\u1ef1 tinh ch\u1ec9nh v\u00e0 ph\u1ea3n h\u1ed3i, t\u1ea1i sao ch\u00fang ta v\u1eabn n\u00f3i v\u1ec1 ch\u00fang nh\u01b0 th\u1ec3 ch\u00fang ch\u1ec9 l\u00e0 nh\u1eefng con s\u1ed1 l\u1ef1c l\u1edbn tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1?<\/p>\n\n\n\n

Nh\u00ecn Nh\u1eadn Kh\u00e1c V\u1ec1 Press Brake: M\u1ed9t H\u1ec7 Th\u1ed1ng Ki\u1ec3m So\u00e1t L\u1ef1c, Kh\u00f4ng Ph\u1ea3i M\u00e1y Nghi\u1ec1n<\/h2>\n\n\n\n

B\u01b0\u1edbc v\u00e0o b\u1ea5t k\u1ef3 ph\u00f2ng tr\u01b0ng b\u00e0y thi\u1ebft b\u1ecb n\u00e0o v\u00e0 con s\u1ed1 \u0111\u1ea7u ti\u00ean h\u1ecd \u0111\u01b0a ra tr\u01b0\u1edbc m\u1eb7t b\u1ea1n s\u1ebd l\u00e0 t\u1ea3i tr\u1ecdng \u00e9p. Hai tr\u0103m t\u1ea5n. Ba tr\u0103m. To h\u01a1n h\u1eb3n l\u00e0 t\u1ed1t h\u01a1n \u2014 \u0111\u00f3 l\u00e0 gi\u1ea3 \u0111\u1ecbnh.<\/p>\n\n\n\n

B\u1edfi v\u00ec t\u1ea3i tr\u1ecdng \u00e9p d\u1ec5 in l\u00ean nh\u00e3n d\u00e1n v\u00e0 d\u1ec5 so s\u00e1nh gi\u1eefa c\u00e1c th\u01b0\u01a1ng hi\u1ec7u. B\u0103ng th\u00f4ng \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ed9 ph\u00e2n gi\u1ea3i c\u1ee7a encoder, \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ed3ng b\u1ed9 Y1\/Y2 khi ch\u1ecbu t\u1ea3i kh\u00f4ng \u0111\u1ed1i x\u1ee9ng \u2014 nh\u1eefng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c tr\u00ean b\u1ea3ng qu\u1ea3ng c\u00e1o b\u00e1n h\u00e0ng. L\u1ef1c l\u00e0 th\u1ee9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y. \u0110\u1ed9 song song khi ch\u1ecbu t\u1ea3i th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

N\u1ebfu g\u00f3c u\u1ed1n \u0111\u1ebfn t\u1eeb h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ed9 u\u1ed1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb t\u1ea3i tr\u1ecdng th\u00f4 \u2014 th\u00ec cu\u1ed9c chi\u1ebfn th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 di\u1ec5n ra b\u00ean trong kim lo\u1ea1i. N\u00f3 n\u1eb1m b\u00ean trong khung d\u00e0i, linh ho\u1ea1t, b\u1ecb k\u00e9o gi\u00e3n, v\u1eb7n xo\u1eafn v\u00e0 ph\u1ee5c h\u1ed3i m\u1ed7i khi b\u1ea1n \u0111\u1ea1p b\u00e0n \u0111\u1ea1p. T\u1ea5m kim lo\u1ea1i \u0111\u1ea1t 90 \u0111\u1ed9 khi ch\u1ecbu t\u1ea3i, v\u00e0 b\u1ea3n th\u00e2n m\u00e1y l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea3i \u0111\u00f3. M\u00e1y phanh l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n, kh\u00f4ng ph\u1ea3i m\u1ed9t b\u1ee9c t\u01b0\u1eddng b\u00ea t\u00f4ng.<\/p>\n\n\n\n

Nh\u01b0ng kim lo\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 mi\u1ebfng b\u1ecdt bi\u1ec3n.<\/p>\n\n\n\n

B\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ec9 \u201cng\u00e2m\u201d n\u00f3 b\u1eb1ng \u00e1p l\u1ef1c cao h\u01a1n v\u00e0 mong \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1ea3y ra. Sau m\u1ed9t \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh, t\u1ea3i tr\u1ecdng b\u1ed5 sung kh\u00f4ng l\u00e0m s\u1eafc n\u00e9t kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t; n\u00f3 khu\u1ebfch \u0111\u1ea1i \u0111\u1ed9 l\u1ec7ch. Sai l\u1ea7m c\u1ee7a ng\u01b0\u1eddi m\u1edbi \u2014 C\u00e1i b\u1eaby \u201cM\u00e1y nghi\u1ec1n\u201d \u2014 l\u00e0 ngh\u0129 r\u1eb1ng c\u00f4ng su\u1ea5t d\u01b0 th\u1eeba \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n. Tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c t\u0103ng k\u00edch th\u01b0\u1edbc m\u00e1y m\u00e0 kh\u00f4ng c\u1ea3i thi\u1ec7n \u0111i\u1ec1u khi\u1ec3n gi\u1ed1ng nh\u01b0 g\u1eafn \u0111\u1ed9ng c\u01a1 to h\u01a1n l\u00ean m\u1ed9t chi\u1ebfc xe t\u1ea3i c\u00f3 v\u00f4-l\u0103ng l\u1ecfng l\u1ebbo. B\u1ea1n s\u1ebd t\u1ea1o ra nhi\u1ec1u l\u1ef1c h\u01a1n, nh\u01b0ng kh\u00f4ng ch\u1ea1y th\u1eb3ng h\u01a1n.<\/p>\n\n\n\n

V\u1eady n\u1ebfu t\u1ea3i tr\u1ecdng \u00e9p kh\u00f4ng ph\u1ea3i l\u00e0 ng\u00f4i sao ph\u01b0\u01a1ng B\u1eafc, th\u00ec \u0111i\u1ec1u g\u00ec m\u1edbi l\u00e0?<\/p>\n\n\n\n

C\u00e1ch G\u00f3c Nh\u00ecn N\u00e0y L\u00e0m Thay \u0110\u1ed5i C\u00e1ch B\u1ea1n \u0110\u00e1nh Gi\u00e1 Th\u00f4ng S\u1ed1 T\u1ea3i Tr\u1ecdng V\u00e0 H\u00e0nh Tr\u00ecnh<\/h3>\n\n\n\n

H\u00e3y coi t\u1ea3i tr\u1ecdng \u00e9p l\u00e0 gi\u1edbi h\u1ea1n ph\u00eda tr\u00ean, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ee5c ti\u00eau.<\/p>\n\n\n\n

B\u1ea1n t\u00ednh to\u00e1n l\u1ef1c c\u1ea7n thi\u1ebft d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, b\u1ec1 r\u1ed9ng khu\u00f4n v\u00e0 chi\u1ec1u d\u00e0i u\u1ed1n. \u0110\u00f3 l\u00e0 ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n trong x\u01b0\u1edfng. Khi \u0111\u1ed9 d\u00e0y t\u0103ng g\u1ea5p \u0111\u00f4i, l\u1ef1c t\u0103ng x\u1ea5p x\u1ec9 b\u1ed1n l\u1ea7n. T\u1ed1t. Nh\u01b0ng m\u1ed9t khi b\u1ea1n \u0111\u00e3 n\u1eb1m kh\u00e1 xa d\u01b0\u1edbi m\u1ee9c t\u1ea3i t\u1ed1i \u0111a c\u1ee7a m\u00e1y, c\u00e2u h\u1ecfi chuy\u1ec3n t\u1eeb \u201cM\u00e1y c\u00f3 th\u1ec3 \u0111\u1ea9y \u0111\u1ee7 m\u1ea1nh kh\u00f4ng?\u201d sang \u201cN\u00f3 c\u00f3 th\u1ec3 d\u1eebng ch\u00ednh x\u00e1c khi \u0111ang ch\u1ecbu t\u1ea3i kh\u00f4ng?\u201d<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n h\u00e0nh tr\u00ecnh.<\/p>\n\n\n\n

Tr\u00ean gi\u1ea5y, hai m\u00e1y c\u00f3 th\u1ec3 \u0111\u1ec1u c\u00f3 h\u00e0nh tr\u00ecnh 10 inch v\u00e0 t\u1ea3i \u00e9p 200 t\u1ea5n. M\u1ed9t m\u00e1y s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9 th\u1ee7y l\u1ef1c c\u01a1 b\u1ea3n qua thanh xo\u1eafn \u2014 m\u1ed9t li\u00ean k\u1ebft c\u01a1 h\u1ecdc n\u1ed1i hai xy lanh cho \u0111\u1ebfn \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi. M\u00e1y kia s\u1eed d\u1ee5ng c\u00e1c xy lanh \u0111\u1ed9c l\u1eadp c\u00f3 th\u01b0\u1edbc \u0111o tuy\u1ebfn t\u00ednh \u1edf m\u1ed7i b\u00ean, \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed Y1 v\u00e0 Y2 theo th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n

Khi kh\u00f4ng t\u1ea3i, ch\u00fang tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau.<\/p>\n\n\n\n

Khi u\u1ed1n kh\u00f4ng \u0111\u1ed1i x\u1ee9ng d\u00e0i 10 foot, ch\u00fang kh\u00f4ng c\u00f2n gi\u1ed1ng nhau n\u1eefa.<\/p>\n\n\n\n

Khi b\u00ean tr\u00e1i g\u1eb7p nhi\u1ec1u v\u1eadt li\u1ec7u h\u01a1n b\u00ean ph\u1ea3i, s\u1ef1 ph\u00e2n b\u1ed1 l\u1ef1c thay \u0111\u1ed5i. Thanh xo\u1eafn ch\u1ed1ng xo\u1eafn v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc nh\u01b0ng kh\u00f4ng th\u1ec3 tinh ch\u1ec9nh \u0111\u1ed9 th\u00e2m nh\u1eadp gi\u1eefa hai b\u00ean khi t\u1ea3i t\u0103ng. C\u00e1c xy lanh \u0111\u1ed9c l\u1eadp c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eebng b\u00ean \u2014 n\u1ebfu v\u00f2ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ee7 nhanh v\u00e0 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c. Ch\u1eef \u201cn\u1ebfu\u201d \u0111\u00f3 c\u00f3 \u00fd ngh\u0129a quy\u1ebft \u0111\u1ecbnh. C\u00e1i b\u1eaby c\u1ee7a Xy Lanh \u0110\u1ed9c L\u1eadp l\u00e0 cho r\u1eb1ng linh ho\u1ea1t \u0111\u1ed3ng ngh\u0129a v\u1edbi ch\u00ednh x\u00e1c; n\u1ebfu kh\u00f4ng c\u00f3 ph\u1ea3n h\u1ed3i ch\u1eb7t ch\u1ebd, b\u1ea1n ch\u1ec9 t\u1ea1o ra hai c\u00e1ch \u0111\u1ec3 sai.<\/p>\n\n\n\n

M\u00f4 s\u1eb9o: T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t h\u1ec7 th\u1ed1ng hai tr\u1ee5c \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh k\u00e9m u\u1ed1n m\u1ed9t v\u1ebft xo\u1eafn nh\u1eb9 v\u00e0o th\u00e9p kh\u00f4ng g\u1ec9 m\u00e0 m\u1ed9t c\u01a1 c\u1ea5u li\u00ean k\u1ebft \u0111\u01a1n gi\u1ea3n, c\u1ee9ng h\u01a1n \u0111\u00e3 c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

V\u00ec v\u1eady, khi b\u1ea1n \u0111\u1ecdc b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, h\u00e3y h\u1ecfi ba \u0111i\u1ec1u: H\u1ec7 th\u1ed1ng \u0111o v\u1ecb tr\u00ed c\u1ee7a thanh ram d\u01b0\u1edbi t\u1ea3i nh\u01b0 th\u1ebf n\u00e0o? N\u00f3 \u0111\u1ed3ng b\u1ed9 h\u00f3a tr\u00e1i-ph\u1ea3i ra sao? V\u00e0 n\u00f3 b\u00f9 cho \u0111\u1ed9 v\u00f5ng c\u1ee7a b\u00e0n \u00e9p tr\u00ean to\u00e0n chi\u1ec1u d\u00e0i nh\u01b0 th\u1ebf n\u00e0o? N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi m\u01a1 h\u1ed3, th\u00ec con s\u1ed1 v\u1ec1 l\u1ef1c \u00e9p ch\u1ec9 l\u00e0 y\u1ebfu t\u1ed1 g\u00e2y nhi\u1ec5u.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn ch\u00ednh c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng.<\/p>\n\n\n\n

Th\u1ee7y l\u1ef1c so v\u1edbi Servo so v\u1edbi C\u01a1 h\u1ecdc: Khung quy\u1ebft \u0111\u1ecbnh d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/h3>\n\n\n\n

Phanh c\u01a1 h\u1ecdc v\u1eadn h\u00e0nh b\u1eb1ng tr\u1ee5c khu\u1ef7u. Thanh ram lu\u00f4n \u0111i \u0111\u1ebfn \u0111i\u1ec3m ch\u1ebft d\u01b0\u1edbi c\u1ed1 \u0111\u1ecbnh trong m\u1ed7i chu k\u1ef3. L\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c, \u0111\u00fang; nh\u01b0ng kh\u00f4ng th\u00edch \u1ee9ng. N\u1ebfu \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u thay \u0111\u1ed5i ho\u1eb7c chi\u1ec1u d\u00e0i u\u1ed1n thay \u0111\u1ed5i, b\u1ea1n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng. Kh\u00f4ng c\u00f3 s\u1ef1 \u201cl\u1eafng nghe\u201d \u2014 ch\u1ec9 l\u00e0 \u0111\u1eadp c\u00f9ng m\u1ed9t n\u1ed1t m\u1ed7i l\u1ea7n, d\u00f9 nh\u1ea1c c\u1ee5 c\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9nh d\u00e2y hay kh\u00f4ng.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c mang l\u1ea1i kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh. \u00c1p su\u1ea5t t\u0103ng d\u1ea7n. V\u1edbi van t\u1ec9 l\u1ec7 v\u00e0 b\u1ed9 m\u00e3 h\u00f3a, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 \u201cc\u1ea3m nh\u1eadn\u201d l\u1ef1c c\u1ea3n t\u0103ng l\u00ean v\u00e0 d\u1eebng l\u1ea1i \u1edf \u0111\u1ed9 s\u00e2u \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh d\u01b0\u1edbi t\u1ea3i. T\u1ed1c \u0111\u1ed9 c\u1ee7a d\u1ea7m tr\u00ean th\u01b0\u1eddng ch\u1eadm ch\u1ec9 v\u00e0i milim\u00e9t m\u1ed7i gi\u00e2y g\u1ea7n \u0111i\u1ec3m ti\u1ebfp x\u00fac, v\u00e0 \u0111\u00f3 l\u00e0 c\u00f3 l\u00fd do: ki\u1ec3m so\u00e1t n\u1eb1m trong v\u00f9ng h\u1eb9p n\u01a1i l\u1ef1c v\u00e0 v\u1ecb tr\u00ed \u0111\u1ec1u thay \u0111\u1ed5i. Nhanh h\u01a1n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 t\u1ed1t h\u01a1n n\u1ebfu b\u1ea1n v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a v\u00f2ng l\u1eb7p.<\/p>\n\n\n\n

M\u00e1y servo-\u0111i\u1ec7n thay d\u1ea7u b\u1eb1ng tr\u1ee5c v\u00edt bi v\u00e0 \u0111\u1ed9ng c\u01a1. S\u1ea1ch h\u01a1n. Th\u01b0\u1eddng nhanh h\u01a1n gi\u1eefa c\u00e1c l\u1ea7n u\u1ed1n. C\u1ef1c k\u1ef3 ch\u00ednh x\u00e1c v\u1ec1 \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed v\u00ec v\u00f2ng quay c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c chuy\u1ec3n tr\u1ef1c ti\u1ebfp th\u00e0nh h\u00e0nh tr\u00ecnh c\u1ee7a thanh ram. Nh\u01b0ng gi\u1edbi h\u1ea1n m\u00f4-men thay th\u1ebf cho gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c; khi b\u1ea1n ti\u1ebfn t\u1edbi ng\u01b0\u1ee1ng c\u00f4ng su\u1ea5t, nh\u1eefng quy lu\u1eadt \u0111\u00e0n h\u1ed3i v\u1eabn gi\u1eef nguy\u00ean. Khung m\u00e1y v\u1eabn gi\u00e3n, b\u00e0n \u00e9p v\u1eabn cong. V\u1eadt l\u00fd v\u1eabn th\u1ef1c thi, d\u00f9 b\u1ea1n tr\u1ea3 ti\u1ec1n cho h\u1ec7 th\u1ee7y l\u1ef1c hay servo.<\/p>\n\n\n\n

C\u00e1i b\u1eaby c\u1ee7a lo\u1ea1i truy\u1ec1n \u0111\u1ed9ng l\u00e0 ngh\u0129 r\u1eb1ng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 ch\u00ednh x\u00e1c. Th\u1ef1c ra kh\u00f4ng ph\u1ea3i v\u1eady. Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ph\u00e9p \u0111o, \u0111\u1ed3ng b\u1ed9 v\u00e0 b\u00f9 l\u1ec7ch m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh.<\/p>\n\n\n\n

M\u00f4 s\u1eb9o: T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t phanh servo \u0111\u01b0\u1ee3c gia c\u00f4ng tuy\u1ec7t \u0111\u1eb9p g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi c\u00e1c chi ti\u1ebft d\u00e0i, l\u1ec7ch t\u00e2m v\u00ec h\u1ec7 th\u1ed1ng u\u1ed1n b\u00f9 (crowning) c\u1ee7a n\u00f3 ch\u1ec9 l\u00e0 ph\u1ea7n suy ngh\u0129 sau c\u00f9ng.<\/p>\n\n\n\n

V\u00ec th\u1ebf, khung quy\u1ebft \u0111\u1ecbnh cho ng\u01b0\u1eddi m\u1edbi tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n: ch\u1ecdn \u0111\u1ee7 l\u1ef1c \u00e9p \u0111\u1ec3 tr\u00e1nh qu\u00e1 t\u1ea3i, r\u1ed3i \u0111\u00e1nh gi\u00e1 m\u00e1y d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 th\u00f4ng minh c\u1ee7a n\u00f3 trong vi\u1ec7c \u0111o v\u00e0 t\u1ef1 hi\u1ec7u ch\u1ec9nh khi u\u1ed1n.<\/p>\n\n\n\n

V\u1eady \u0111i\u1ec1u \u0111\u00f3 mang l\u1ea1i g\u00ec cho b\u1ea1n tr\u00ean s\u00e0n s\u1ea3n xu\u1ea5t?<\/p>\n\n\n\n

T\u1ea1i sao hi\u1ec3u c\u01a1 ch\u1ebf \u1ea9n gi\u00fap b\u1ea1n t\u1ef1 tin tuy\u1ec7t \u0111\u1ed1i khi l\u00e0m vi\u1ec7c tr\u00ean s\u00e0n<\/h3>\n\n\n\n

S\u1ef1 t\u1ef1 tin kh\u00f4ng \u0111\u1ebfn t\u1eeb vi\u1ec7c bi\u1ebft m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t 300 t\u1ea5n. N\u00f3 \u0111\u1ebfn t\u1eeb vi\u1ec7c hi\u1ec3u t\u1ea1i sao l\u00f4 th\u00e9p d\u00e0y 1\/8 inch h\u00f4m nay u\u1ed1n kh\u00e1c so v\u1edbi h\u00f4m qua.<\/p>\n\n\n\n

Khi b\u1ea1n nh\u00ecn phanh \u00e9p nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n l\u1ef1c, b\u1ea1n ng\u1eebng ph\u1ea3n \u1ee9ng c\u1ea3m t\u00ednh tr\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i. G\u00f3c m\u1edf th\u00eam hai \u0111\u1ed9? B\u1ea1n h\u1ecfi: \u0111\u1ed9 ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u c\u00f3 thay \u0111\u1ed5i kh\u00f4ng, \u0111\u1ed9 r\u1ed9ng khu\u00f4n c\u00f3 l\u00e0m thay \u0111\u1ed5i l\u1ef1c hi\u1ec7u d\u1ee5ng kh\u00f4ng, nhi\u1ec7t \u0111\u1ed9 c\u00f3 \u1ea3nh h\u01b0\u1edfng ph\u1ea3n \u1ee9ng th\u1ee7y l\u1ef1c kh\u00f4ng, Y1\/Y2 c\u00f3 l\u1ec7ch m\u1ed9t ph\u1ea7n ngh\u00ecn kh\u00f4ng? B\u1ea1n \u0111ang ch\u1ea9n \u0111o\u00e1n m\u1ed9t h\u1ec7 th\u1ed1ng, kh\u00f4ng ph\u1ea3i \u0111\u1ed5 l\u1ed7i cho con s\u1ed1.<\/p>\n\n\n\n

B\u1ea1n c\u0169ng ng\u1eebng b\u1ecb \u1ea5n t\u01b0\u1ee3ng b\u1edfi s\u1ee9c m\u1ea1nh thu\u1ea7n t\u00fay. M\u1ed9t m\u00e1y nh\u1ecf h\u01a1n v\u1edbi thang \u0111o tuy\u1ebfn t\u00ednh ph\u00e2n gi\u1ea3i cao, van ho\u1eb7c truy\u1ec1n \u0111\u1ed9ng ph\u1ea3n \u1ee9ng nhanh, v\u00e0 h\u1ec7 th\u1ed1ng b\u00f9 cong \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t c\u00f3 th\u1ec3 gi\u1eef \u0111\u1ed9 song song ch\u1eb7t h\u01a1n tr\u00ean c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf so v\u1edbi m\u1ed9t khung l\u1edbn, k\u00e9m th\u00f4ng minh h\u01a1n. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng hi\u1ec3n nhi\u00ean, v\u00ec l\u1ef1c c\u1ea3m th\u1ea5y m\u1ea1nh m\u1ebd, c\u00f2n \u0111i\u1ec1u khi\u1ec3n l\u1ea1i g\u1ea7n nh\u01b0 v\u00f4 h\u00ecnh.<\/p>\n\n\n\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n m\u00e1y d\u1ef1a v\u00e0o con s\u1ed1 l\u1ef1c \u00e9p v\u00ec n\u00f3 d\u1ec5 so s\u00e1nh. Ng\u01b0\u1eddi mua ch\u1ecdn v\u00ec c\u1ea3m th\u1ea5y an to\u00e0n. Nh\u01b0ng an to\u00e0n trong u\u1ed1n kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea9y m\u1ea1nh \u0111\u1ebfn \u0111\u00e2u. N\u00f3 n\u1eb1m \u1edf vi\u1ec7c b\u1ea1n c\u00f3 th\u1ec3 d\u1eebng ch\u00ednh x\u00e1c \u0111\u1ebfn m\u1ee9c n\u00e0o \u2014 v\u00e0 b\u1ea1n ph\u00e2n b\u1ed1 s\u1ef1 d\u1eebng \u0111\u00f3 \u0111\u1ed3ng \u0111\u1ec1u ra sao tr\u00ean m\u01b0\u1eddi feet th\u00e9p \u0111ang ch\u1ed1ng l\u1ea1i b\u1ea1n.<\/p>\n\n\n\n

Khi b\u1ea1n nh\u1eadn ra \u0111i\u1ec1u \u0111\u00f3, b\u1ea3ng th\u00f4ng s\u1ed1 thay \u0111\u1ed5i trong tay b\u1ea1n. Con s\u1ed1 l\u1edbn m\u1edd \u0111i. \u00c1nh m\u1eaft b\u1ea1n t\u00ecm ki\u1ebfm v\u00f2ng l\u1eb7p ph\u1ea3n h\u1ed3i, chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9, v\u00e0 thi\u1ebft k\u1ebf b\u00f9 l\u1ec7ch.<\/p>\n\n\n\n

V\u00e0 l\u1ea7n t\u1edbi khi ai \u0111\u00f3 khoe khoang v\u1ec1 s\u1ee9c \u00e9p nghi\u1ec1n n\u00e1t, b\u1ea1n s\u1ebd h\u1ecfi m\u1ed9t c\u00e2u nh\u1eb9 nh\u00e0ng nh\u01b0ng s\u1eafc b\u00e9n h\u01a1n: n\u00f3 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 song song nh\u01b0 th\u1ebf n\u00e0o khi \u201cb\u1ea3n nh\u1ea1c\u201d tr\u1edf n\u00ean \u1ed3n \u00e0o?<\/p>","protected":false},"excerpt":{"rendered":"

T\u00f4i \u0111\u00e3 quan s\u00e1t m\u1ed9t nh\u00e2n vi\u00ean m\u1edbi nh\u1ea5n b\u00e0n \u0111\u1ea1p nh\u01b0 th\u1ec3 \u0111ang gi\u1eadm nho v\u1eady. Th\u00e9p nh\u1eb9 d\u00e0y m\u1ed9t ph\u1ea7n t\u00e1m inch \u0111\u1eb7t trong khu\u00f4n ch\u1eef V, \u0111\u1ea7u ch\u00e0y h\u1ea1 xu\u1ed1ng r\u1ea5t m\u1ea1nh. T\u1ea5m th\u00e9p \u0111\u1ea1t ch\u00edn m\u01b0\u01a1i \u0111\u1ed9 d\u01b0\u1edbi \u00e1p l\u1ef1c. \u0110\u1ea7u ch\u00e0y n\u00e2ng l\u00ean. Chi ti\u1ebft \u0111\u00f3 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i ch\u00edn m\u01b0\u01a1i t\u01b0 \u0111\u1ed9. C\u1eadu ta nh\u00ecn c\u00e1i m\u00e1y nh\u01b0 th\u1ec3 n\u00f3 v\u1eeba l\u1eeba d\u1ed1i m\u00ecnh v\u1eady. B\u1ed1n \u0111\u1ed9 \u0111\u00f3 ch\u00ednh l\u00e0 n\u01a1i m\u00e0 [\u2026]<\/p>","protected":false},"author":3,"featured_media":1261,"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-1257","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\/1257","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=1257"}],"version-history":[{"count":1,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1257\/revisions"}],"predecessor-version":[{"id":1262,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1257\/revisions\/1262"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/1261"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=1257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=1257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=1257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}