{"id":3835,"date":"2019-10-26T08:17:23","date_gmt":"2019-10-26T08:17:23","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3835"},"modified":"2020-05-06T02:56:49","modified_gmt":"2020-05-06T02:56:49","slug":"what-do-you-know-about-compensations-in-cnc-lathe-machining","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/nhung-gi-ban-biet-ve-bu-trong-may-tien-cnc\/","title":{"rendered":"B\u1ea1n bi\u1ebft g\u00ec v\u1ec1 b\u1ed3i th\u01b0\u1eddng trong gia c\u00f4ng m\u00e1y ti\u1ec7n CNC"},"content":{"rendered":"

H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ghi l\u1ea1i sai l\u1ec7ch li\u00ean quan \u0111\u1ebfn c\u01a1 h\u1ecdc c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5, nh\u01b0ng do c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc, sai l\u1ec7ch v\u1eabn c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n ho\u1eb7c t\u0103ng l\u00ean trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ti\u1ebfp theo. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, SINUMERIK c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng b\u00f9 kh\u00e1c nhau. \u0110\u1ed9 l\u1ec7ch \u0111\u01b0\u1ee3c b\u00f9 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c b\u1eb1ng b\u1ed9 m\u00e3 h\u00f3a v\u1ecb tr\u00ed th\u1ef1c t\u1ebf (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1ch t\u1eed) ho\u1eb7c c\u1ea3m bi\u1ebfn b\u1ed5 sung (ch\u1eb3ng h\u1ea1n nh\u01b0 giao thoa k\u1ebf laze, v.v.), \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 gia c\u00f4ng t\u1ed1t h\u01a1n.<\/strong><\/p>

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Vi\u1ec7c truy\u1ec1n l\u1ef1c gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn truy\u1ec1n \u0111\u1ed9ng c\u1ee7a n\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c v\u00edt me bi, s\u1ebd t\u1ea1o ra s\u1ef1 gi\u00e1n \u0111o\u1ea1n ho\u1eb7c ch\u1eadm tr\u1ec5, b\u1edfi v\u00ec k\u1ebft c\u1ea5u c\u01a1 kh\u00ed kh\u00f4ng c\u00f3 khe h\u1edf s\u1ebd l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 m\u00f2n c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 v\u00e0 c\u0169ng kh\u00f3 \u0111\u1ec3 nh\u1eadn ra v\u1ec1 m\u1eb7t c\u00f4ng ngh\u1ec7. Khe h\u1edf c\u01a1 h\u1ecdc g\u00e2y ra sai l\u1ec7ch gi\u1eefa \u0111\u01b0\u1eddng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a tr\u1ee5c \/ tr\u1ee5c ch\u00ednh v\u00e0 gi\u00e1 tr\u1ecb \u0111o c\u1ee7a h\u1ec7 th\u1ed1ng \u0111o gi\u00e1n ti\u1ebfp. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t khi h\u01b0\u1edbng thay \u0111\u1ed5i, tr\u1ee5c s\u1ebd di chuy\u1ec3n qu\u00e1 xa ho\u1eb7c qu\u00e1 g\u1ea7n, t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc c\u1ee7a khe h\u1edf. B\u00e0n l\u00e0m vi\u1ec7c v\u00e0 b\u1ed9 m\u00e3 h\u00f3a li\u00ean quan c\u1ee7a n\u00f3 c\u0169ng s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng: n\u1ebfu v\u1ecb tr\u00ed b\u1ed9 m\u00e3 h\u00f3a \u1edf ph\u00eda tr\u01b0\u1edbc b\u00e0n l\u00e0m vi\u1ec7c, n\u00f3 s\u1ebd \u0111\u1ebfn v\u1ecb tr\u00ed l\u1ec7nh tr\u01b0\u1edbc th\u1eddi h\u1ea1n, c\u00f3 ngh\u0129a l\u00e0 kho\u1ea3ng c\u00e1ch di chuy\u1ec3n th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 s\u1ebd b\u1ecb r\u00fat ng\u1eafn. Trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng b\u00f9 khe h\u1edf \u0111\u1ea3o ng\u01b0\u1ee3c tr\u00ean tr\u1ee5c t\u01b0\u01a1ng \u1ee9ng, \u0111\u1ed9 l\u1ec7ch \u0111\u00e3 ghi tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t khi \u0111\u1ea3o chi\u1ec1u, v\u00e0 \u0111\u1ed9 l\u1ec7ch \u0111\u00e3 ghi tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ch\u1ed3ng l\u00ean gi\u00e1 tr\u1ecb v\u1ecb tr\u00ed th\u1ef1c t\u1ebf.<\/strong><\/strong><\/p>

B\u00f9 l\u1ed7i m\u0169i v\u00edt<\/strong><\/strong><\/h2>
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Nguy\u00ean t\u1eafc \u0111o c\u1ee7a ph\u00e9p \u0111o gi\u00e1n ti\u1ebfp trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n CNC d\u1ef1a tr\u00ean gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng b\u01b0\u1edbc c\u1ee7a v\u00edt me bi kh\u00f4ng thay \u0111\u1ed5i trong h\u00e0nh tr\u00ecnh hi\u1ec7u d\u1ee5ng, v\u00ec v\u1eady v\u1ec1 l\u00fd thuy\u1ebft, v\u1ecb tr\u00ed th\u1ef1c c\u1ee7a tr\u1ee5c th\u1eb3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c suy ra theo v\u1ecb tr\u00ed th\u00f4ng tin chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 d\u1eabn \u0111\u1ed9ng. Tuy nhi\u00ean, l\u1ed7i s\u1ea3n xu\u1ea5t c\u1ee7a v\u00edt me bi s\u1ebd d\u1eabn \u0111\u1ebfn sai l\u1ec7ch c\u1ee7a h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sai s\u1ed1 b\u01b0\u1edbc v\u00edt). Sai l\u1ec7ch \u0111o l\u01b0\u1eddng (t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng) v\u00e0 l\u1ed7i c\u00e0i \u0111\u1eb7t c\u1ee7a h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng tr\u00ean m\u00e1y c\u00f4ng c\u1ee5 (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1ed7i h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng) c\u00f3 th\u1ec3 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam v\u1ea5n \u0111\u1ec1 n\u00e0y. \u0110\u1ec3 b\u00f9 hai lo\u1ea1i l\u1ed7i n\u00e0y, m\u1ed9t b\u1ed9 h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng \u0111\u1ed9c l\u1eadp (\u0111o laze) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u01b0\u1eddng cong sai s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 CNC, v\u00e0 sau \u0111\u00f3 c\u00e1c gi\u00e1 tr\u1ecb b\u00f9 y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c l\u01b0u trong h\u1ec7 th\u1ed1ng CNC \u0111\u1ec3 b\u00f9.<\/strong><\/strong><\/p>

B\u00f9 ma s\u00e1t (b\u00f9 l\u1ed7i g\u00f3c ph\u1ea7n t\u01b0) v\u00e0 b\u00f9 ma s\u00e1t \u0111\u1ed9ng<\/strong><\/strong><\/h2>
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B\u00f9 l\u1ed7i g\u00f3c ph\u1ea7n t\u01b0 (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u00f9 ma s\u00e1t) th\u00edch h\u1ee3p cho t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p tr\u00ean, \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u01b0\u1eddng vi\u1ec1n khi gia c\u00f4ng \u0111\u01b0\u1eddng vi\u1ec1n tr\u00f2n. L\u00fd do l\u00e0 nh\u01b0 sau: trong chuy\u1ec3n \u0111\u1ed5i g\u00f3c ph\u1ea7n t\u01b0, m\u1ed9t tr\u1ee5c di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao cao nh\u1ea5t v\u00e0 tr\u1ee5c c\u00f2n l\u1ea1i l\u00e0 \u0111\u1ee9ng y\u00ean. Do \u0111\u00f3, h\u00e0nh vi ma s\u00e1t kh\u00e1c nhau c\u1ee7a hai tr\u1ee5c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i \u0111\u01b0\u1eddng vi\u1ec1n. B\u00f9 l\u1ed7i g\u00f3c ph\u1ea7n t\u01b0 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u1ed7i n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 gia c\u00f4ng tuy\u1ec7t v\u1eddi. M\u1eadt \u0111\u1ed9 c\u1ee7a xung b\u00f9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp theo \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh li\u00ean quan \u0111\u1ebfn gia t\u1ed1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u00e0 tham s\u1ed1 h\u00f3a b\u1eb1ng ph\u00e9p th\u1eed \u0111\u1ed9 tr\u00f2n. Trong b\u00e0i ki\u1ec3m tra \u0111\u1ed9 tr\u00f2n, \u0111\u1ed9 l\u1ec7ch gi\u1eefa v\u1ecb tr\u00ed th\u1ef1c c\u1ee7a \u0111\u01b0\u1eddng bao tr\u00f2n v\u00e0 b\u00e1n k\u00ednh \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh (\u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u1ea3o chi\u1ec1u) \u0111\u01b0\u1ee3c ghi l\u1ea1i m\u1ed9t c\u00e1ch \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 hi\u1ec3n th\u1ecb tr\u00ean giao di\u1ec7n ng\u01b0\u1eddi-m\u00e1y th\u00f4ng qua \u0111\u1ed3 h\u1ecda.<\/strong><\/strong><\/p>

Trong phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a ph\u1ea7n m\u1ec1m h\u1ec7 th\u1ed1ng, ch\u1ee9c n\u0103ng b\u00f9 ma s\u00e1t \u0111\u1ed9ng t\u00edch h\u1ee3p c\u00f3 th\u1ec3 b\u00f9 \u0111\u1ed9ng l\u1ef1c ma s\u00e1t d\u01b0\u1edbi c\u00e1c t\u1ed1c \u0111\u1ed9 quay kh\u00e1c nhau c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5, gi\u1ea3m sai s\u1ed1 bi\u00ean d\u1ea1ng gia c\u00f4ng th\u1ef1c t\u1ebf v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n cao h\u01a1n.<\/strong><\/strong><\/p>

B\u00f9 l\u1ed7i l\u1ec7ch v\u00e0 g\u00f3c<\/strong><\/strong><\/h2>
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N\u1ebfu tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn ri\u00eang l\u1ebb c\u1ee7a t\u1eebng m\u00e1y c\u00f4ng c\u1ee5 s\u1ebd g\u00e2y ra s\u1ef1 d\u1ecbch chuy\u1ec3n v\u00e0 \u0111\u1ed9 nghi\u00eang c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, th\u00ec c\u1ea7n ph\u1ea3i b\u00f9 v\u00f5ng v\u00ec n\u00f3 s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng v\u00f5ng c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y li\u00ean quan (bao g\u1ed3m c\u1ea3 h\u1ec7 th\u1ed1ng d\u1eabn h\u01b0\u1edbng). B\u00f9 l\u1ed7i g\u00f3c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u00e1c tr\u1ee5c chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng th\u1eb3ng h\u00e0ng v\u1edbi nhau \u1edf g\u00f3c ch\u00ednh x\u00e1c (v\u00ed d\u1ee5: th\u1eb3ng \u0111\u1ee9ng). V\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a \u0111\u1ed9 l\u1ec7ch c\u1ee7a v\u1ecb tr\u00ed \u0111i\u1ec3m 0, sai s\u1ed1 v\u1ecb tr\u00ed c\u0169ng t\u0103ng l\u00ean. C\u1ea3 hai l\u1ed7i n\u00e0y \u0111\u1ec1u do tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 ho\u1eb7c do tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 ph\u00f4i. Sau khi gi\u00e1 tr\u1ecb b\u00f9 \u0111o \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh g\u1ee1 l\u1ed7i, n\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong SINUMERIK theo v\u1ecb tr\u00ed t\u01b0\u01a1ng \u1ee9ng \u1edf m\u1ed9t s\u1ed1 d\u1ea1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea3ng b\u00f9. Khi m\u00e1y \u0111ang ch\u1ea1y, v\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c li\u00ean quan \u0111\u01b0\u1ee3c n\u1ed9i suy theo gi\u00e1 tr\u1ecb b\u00f9 c\u1ee7a \u0111i\u1ec3m l\u01b0u tr\u1eef. \u0110\u1ed1i v\u1edbi m\u1ed7i chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1eddng \u0111i li\u00ean ti\u1ebfp, c\u00f3 tr\u1ee5c c\u01a1 b\u1ea3n v\u00e0 tr\u1ee5c b\u00f9.<\/strong><\/strong><\/p>

s\u1ef1 c\u00e2n b\u1eb1ng nhi\u1ec7t \u0111\u1ed9<\/strong><\/strong><\/h2>

Nhi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m gi\u00e3n n\u1edf c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u1ee7a m\u00e1y. Ph\u1ea1m vi gi\u00e3n n\u1edf ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn m\u00e1y. Nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau c\u00f3 th\u1ec3 l\u00e0m cho v\u1ecb tr\u00ed th\u1ef1c c\u1ee7a m\u1ed7i tr\u1ee5c thay \u0111\u1ed5i, \u0111i\u1ec1u n\u00e0y s\u1ebd c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00f4i trong qu\u00e1 tr\u00ecnh gia c\u00f4ng. Nh\u1eefng thay \u0111\u1ed5i v\u1ec1 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u00f9 \u0111\u1eafp b\u1eb1ng b\u00f9 nhi\u1ec7t \u0111\u1ed9. C\u00e1c \u0111\u01b0\u1eddng cong sai s\u1ed1 c\u1ee7a m\u1ed7i tr\u1ee5c \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. \u0110\u1ec3 b\u00f9 gi\u00e3n n\u1edf nhi\u1ec7t m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c m\u1ecdi l\u00fac, gi\u00e1 tr\u1ecb b\u00f9 nhi\u1ec7t \u0111\u1ed9, v\u1ecb tr\u00ed tham chi\u1ebfu v\u00e0 tham s\u1ed1 g\u00f3c gradient tuy\u1ebfn t\u00ednh ph\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n t\u1eeb PLC sang h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n CNC th\u00f4ng qua kh\u1ed1i ch\u1ee9c n\u0103ng. Vi\u1ec7c thay \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 kh\u00f4ng mong mu\u1ed1n s\u1ebd \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng lo\u1ea1i b\u1ecf, tr\u00e1nh l\u00e0m qu\u00e1 t\u1ea3i m\u00e1y v\u00e0 k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng gi\u00e1m s\u00e1t.<\/strong><\/strong><\/p>

H\u1ec7 th\u1ed1ng b\u00f9 l\u1ed7i kh\u00f4ng gian (VCS)<\/strong><\/h2>
\"\"<\/figure>

V\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c quay, s\u1ef1 b\u00f9 tr\u1eeb l\u1eabn nhau c\u1ee7a ch\u00fang v\u00e0 sai s\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a d\u1ee5ng c\u1ee5 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai s\u1ed1 h\u00ecnh h\u1ecdc c\u00f3 h\u1ec7 th\u1ed1ng c\u1ee7a \u0111\u1ea7u quay, \u0111\u1ea7u quay v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c. Ngo\u00e0i ra, s\u1ebd c\u00f3 nh\u1eefng sai s\u00f3t nh\u1ecf trong h\u1ec7 th\u1ed1ng d\u1eabn h\u01b0\u1edbng c\u1ee7a tr\u1ee5c c\u1ea5p li\u1ec7u trong m\u1ed7i m\u00e1y c\u00f4ng c\u1ee5. \u0110\u1ed1i v\u1edbi tr\u1ee5c tuy\u1ebfn t\u00ednh, c\u00e1c l\u1ed7i n\u00e0y l\u00e0 l\u1ed7i v\u1ecb tr\u00ed tuy\u1ebfn t\u00ednh, l\u1ed7i \u0111\u1ed9 th\u1eb3ng ngang v\u00e0 th\u1eb3ng \u0111\u1ee9ng, v\u00e0 \u0111\u1ed1i v\u1edbi tr\u1ee5c quay, g\u00f3c s\u00e2n, g\u00f3c yaw v\u00e0 l\u1ed7i g\u00f3c cu\u1ed9n s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra. C\u00e1c l\u1ed7i kh\u00e1c c\u00f3 th\u1ec3 x\u1ea3y ra khi c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh v\u1edbi nhau. V\u00ed d\u1ee5, l\u1ed7i d\u1ecdc. Trong m\u00e1y c\u00f4ng c\u1ee5 ba tr\u1ee5c, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 21 l\u1ed7i h\u00ecnh h\u1ecdc c\u00f3 th\u1ec3 x\u1ea3y ra tr\u00ean \u0111\u1ea7u dao: S\u00e1u lo\u1ea1i l\u1ed7i tr\u00ean m\u1ed7i tr\u1ee5c tuy\u1ebfn t\u00ednh nh\u00e2n v\u1edbi ba tr\u1ee5c, c\u1ed9ng v\u1edbi ba l\u1ed7i g\u00f3c. Nh\u1eefng sai l\u1ec7ch n\u00e0y c\u00f9ng nhau t\u1ea1o th\u00e0nh sai s\u1ed1 t\u1ed5ng, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sai s\u1ed1 kh\u00f4ng gian.<\/strong><\/strong><\/p>

The space error describes the deviation between the tool midpoint (TCP) position of the actual machine tool and that of the ideal error free machine tool. SINUMERIK solution partners are able to determine spatial errors with the help of laser measurement equipment. It is not enough to measure only the error of a single position. It is necessary to measure all the machine errors in the whole machining space. Generally, it is necessary to record the measured values of all positions and draw a curve, because the size of each error depends on the position of the relevant feed axis and the measured position. For example, when the Y-axis and z-axis are in different positions, the deviation caused by the x-axis will be different – even in almost the same position of the x-axis. With the help of “cycle996 – motion measurement”, it takes only a few minutes to determine the axis of rotation error. This means that the accuracy of the machine tool can be constantly checked and, if necessary, corrected even in production.<\/strong><\/strong><\/p>

B\u00f9 l\u1ec7ch (\u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n ti\u1ebfp ngu\u1ed3n \u0111\u1ed9ng)<\/strong><\/strong><\/h2>
\"\"<\/figure>

\u0110\u1ed9 l\u1ec7ch \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111\u1ed9 l\u1ec7ch gi\u1eefa b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed v\u00e0 ti\u00eau chu\u1ea9n khi tr\u1ee5c m\u00e1y c\u00f4ng c\u1ee5 di chuy\u1ec3n. \u0110\u1ed9 l\u1ec7ch tr\u1ee5c l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa v\u1ecb tr\u00ed \u0111\u00edch c\u1ee7a tr\u1ee5c m\u00e1y v\u00e0 v\u1ecb tr\u00ed th\u1ef1c c\u1ee7a n\u00f3. \u0110\u1ed9 l\u1ec7ch d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7i \u0111\u01b0\u1eddng bao kh\u00f4ng c\u1ea7n thi\u1ebft li\u00ean quan \u0111\u1ebfn v\u1eadn t\u1ed1c, \u0111\u1eb7c bi\u1ec7t khi \u0111\u1ed9 cong c\u1ee7a \u0111\u01b0\u1eddng bao thay \u0111\u1ed5i, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng tr\u00f2n, \u0111\u01b0\u1eddng bao vu\u00f4ng, v.v. V\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a l\u1ec7nh ng\u00f4n ng\u1eef c\u1ea5p cao NC ffwon trong ph\u1ea7n ch\u01b0\u01a1ng tr\u00ecnh, \u0111\u1ed9 l\u1ec7ch li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng kh\u00f4ng khi chuy\u1ec3n \u0111\u1ed9ng d\u1ecdc theo \u0111\u01b0\u1eddng \u0111i. \u0110i\u1ec1u khi\u1ec3n ti\u1ebfn l\u00f9i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 gia c\u00f4ng t\u1ed1t h\u01a1n.<\/strong><\/strong><\/p>

B\u00f9 \u0111\u1ed1i tr\u1ecdng \u0111i\u1ec7n t\u1eed<\/strong><\/strong><\/h2>

Trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, ch\u1ee9c n\u0103ng \u0111\u1ed1i tr\u1ecdng \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u0111\u1ec3 ng\u0103n tr\u1ee5c b\u1ecb ch\u00f9ng v\u00e0 g\u00e2y h\u01b0 h\u1ecfng cho m\u00e1y, d\u1ee5ng c\u1ee5 ho\u1eb7c ph\u00f4i. Trong tr\u1ee5c t\u1ea3i kh\u00f4ng c\u00f3 \u0111\u1ed1i tr\u1ecdng c\u01a1 kh\u00ed ho\u1eb7c th\u1ee7y l\u1ef1c, tr\u1ee5c th\u1eb3ng \u0111\u1ee9ng s\u1ebd ch\u00f9ng xu\u1ed1ng b\u1ea5t ng\u1edd khi nh\u1ea3 phanh. Khi k\u00edch ho\u1ea1t \u0111\u1ed1i tr\u1ecdng \u0111i\u1ec7n t\u1eed, n\u00f3 c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp cho hi\u1ec7n t\u01b0\u1ee3ng v\u00f5ng tr\u1ee5c kh\u00f4ng mong mu\u1ed1n. Sau khi nh\u1ea3 phanh, v\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c th\u1ea3 \u0111\u01b0\u1ee3c duy tr\u00ec b\u1edfi m\u1ed9t m\u00f4men c\u00e2n b\u1eb1ng kh\u00f4ng \u0111\u1ed5i.<\/strong><\/strong><\/p><\/div>","protected":false},"excerpt":{"rendered":"

The systematic mechanical related deviation of machine tool can be recorded by the system, but due to environmental factors such as temperature or mechanical load, the deviation may still appear or increase in the subsequent use process. In these cases, SINUMERIK can provide different compensation functions. The deviation is compensated by using the measured value…<\/p>","protected":false},"author":2,"featured_media":19295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-3835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/10\/\u56fe\u72471-1.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/3835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=3835"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/3835\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19295"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=3835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=3835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=3835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}