{"id":1837,"date":"2019-05-22T02:48:24","date_gmt":"2019-05-22T02:48:24","guid":{"rendered":"http:\/\/www.meetyoucarbide.com\/single-post-4-things-you-should-know-about-cnc-lathe-machining\/"},"modified":"2020-05-04T13:12:02","modified_gmt":"2020-05-04T13:12:02","slug":"4-things-you-should-know-about-cnc-lathe-machining","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/4-dieu-ban-nen-biet-ve-gia-cong-may-tien-cnc\/","title":{"rendered":"4 \u0111i\u1ec1u b\u1ea1n n\u00ean bi\u1ebft v\u1ec1 gia c\u00f4ng m\u00e1y ti\u1ec7n CNC"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<div>\n<div>Gia c\u00f4ng m\u00e1y ti\u1ec7n CNC l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y c\u00f4ng c\u1ee5 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, hi\u1ec7u qu\u1ea3 cao v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec1u khi\u1ec3n th\u00f4ng tin k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 d\u1ecbch chuy\u1ec3n c\u00f4ng c\u1ee5. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec1u b\u1ed9 ph\u1eadn, l\u00f4 nh\u1ecf, h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p, \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 hi\u1ec7u qu\u1ea3 cao v\u00e0 x\u1eed l\u00fd t\u1ef1 \u0111\u1ed9ng.<\/div>\n<div>Gia c\u00f4ng m\u00e1y ti\u1ec7n CNC l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u00f4ng ngh\u1ec7 cao cho c\u00e1c b\u1ed9 ph\u1eadn ph\u1ea7n c\u1ee9ng ch\u00ednh x\u00e1c. C\u00f3 th\u1ec3 gia c\u00f4ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 316, 304, th\u00e9p carbon, th\u00e9p h\u1ee3p kim, nh\u00f4m h\u1ee3p kim, h\u1ee3p kim k\u1ebdm, h\u1ee3p kim titan, \u0111\u1ed3ng, s\u1eaft, nh\u1ef1a, acrylic, POM, UHWM v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00e0nh k\u1ebft h\u1ee3p vu\u00f4ng, tr\u00f2n<\/div>\n<div>C\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u ph\u1ee9c t\u1ea1p.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_feeeada2f7134650b64b3ddd3a6ed70emv2-1.jpg\" alt=\"\" title=\"\"><\/p>\n<h2>1. Th\u00e0nh ph\u1ea7n c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 CNC<\/h2>\n<div>(1) M\u00e1y t\u00ednh l\u1edbn, anh l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 CNC, bao g\u1ed3m c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y, c\u1ed9t, tr\u1ee5c ch\u00ednh, c\u01a1 ch\u1ebf th\u1ee9c \u0103n v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 kh\u00ed kh\u00e1c. \u00d4ng l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t lo\u1ea1t c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1eaft.<\/div>\n<div>(2) Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n s\u1ed1 l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c m\u00e1y c\u00f4ng c\u1ee5 CNC, bao g\u1ed3m ph\u1ea7n c\u1ee9ng (b\u1ea3ng m\u1ea1ch in, m\u00e0n h\u00ecnh CRT, h\u1ed9p kh\u00f3a, \u0111\u1ea7u \u0111\u1ecdc b\u0103ng gi\u1ea5y, v.v.) v\u00e0 ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 nh\u1eadp c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n s\u1ed1 h\u00f3a v\u00e0 ho\u00e0n th\u00e0nh th\u00f4ng tin \u0111\u1ea7u v\u00e0o. L\u01b0u tr\u1eef, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u, ho\u1ea1t \u0111\u1ed9ng n\u1ed9i suy v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nhau.<\/div>\n<div>(3) Thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng, l\u00e0 th\u00e0nh ph\u1ea7n \u1ed5 \u0111\u0129a c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng m\u00e1y CNC, bao g\u1ed3m b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tr\u1ee5c ch\u00ednh, b\u1ed9 ph\u1eadn c\u1ea5p li\u1ec7u, \u0111\u1ed9ng c\u01a1 tr\u1ee5c ch\u00ednh v\u00e0 \u0111\u1ed9ng c\u01a1 c\u1ea5p li\u1ec7u. Anh ta nh\u1eadn ra tr\u1ee5c ch\u00ednh v\u00e0 \u1ed5 c\u1ea5p li\u1ec7u b\u1eb1ng h\u1ec7 th\u1ed1ng servo \u0111i\u1ec7n ho\u1eb7c th\u1ee7y l\u1ef1c d\u01b0\u1edbi s\u1ef1 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n s\u1ed1. Khi m\u1ed9t s\u1ed1 ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c li\u00ean k\u1ebft, \u0111\u1ecbnh v\u1ecb, \u0111\u01b0\u1eddng th\u1eb3ng, \u0111\u01b0\u1eddng cong m\u1eb7t ph\u1eb3ng v\u00e0 \u0111\u01b0\u1eddng cong kh\u00f4ng gian c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/div>\n<div>(4) C\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3, c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n thi\u1ebft c\u1ee7a c\u00f4ng c\u1ee5 m\u00e1y \u0111i\u1ec1u khi\u1ec3n ch\u1ec9 s\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c m\u00e1y c\u00f4ng c\u1ee5 CNC nh\u01b0 l\u00e0m m\u00e1t, lo\u1ea1i b\u1ecf chip, b\u00f4i tr\u01a1n, chi\u1ebfu s\u00e1ng v\u00e0 gi\u00e1m s\u00e1t. N\u00f3 bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb th\u1ee7y l\u1ef1c v\u00e0 kh\u00ed n\u00e9n, thi\u1ebft b\u1ecb s\u01a1 t\u00e1n chip, b\u1ea3ng trao \u0111\u1ed5i, th\u00e1p ph\u00e1o \u0111i\u1ec1u khi\u1ec3n s\u1ed1 v\u00e0 \u0111\u1ea7u ch\u1ec9 m\u1ee5c \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng s\u1ed1, c\u0169ng nh\u01b0 c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t.<\/div>\n<div>(5) l\u1eadp tr\u00ecnh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3 kh\u00e1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ean ngo\u00e0i m\u00e1y \u0111\u1ec3 l\u1eadp tr\u00ecnh c\u00e1c b\u1ed9 ph\u1eadn, l\u01b0u tr\u1eef, v.v.<\/div>\n<div><\/div>\n<h1>2. Th\u00e0nh ph\u1ea7n v\u00e0 nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y ti\u1ec7n CNC<\/h1>\n<div>M\u00e1y ti\u1ec7n CNC l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m t\u00edch h\u1ee3p c\u01a1 \u0111i\u1ec7n \u0111i\u1ec3n h\u00ecnh. N\u00f3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb gia c\u00f4ng c\u01a1 kh\u00ed hi\u1ec7n \u0111\u1ea1i hi\u1ec7u qu\u1ea3 cao, \u0111\u1ed9 ch\u00ednh x\u00e1c cao, linh ho\u1ea1t v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a cao t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c hi\u1ec7n \u0111\u1ea1i, c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng, c\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n v\u00e0 c\u00f4ng ngh\u1ec7 th\u00f4ng tin m\u00e1y t\u00ednh. Gi\u1ed1ng nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m c\u01a1 \u0111i\u1ec7n t\u1eed kh\u00e1c, n\u00f3 c\u0169ng bao g\u1ed3m th\u00e2n m\u00e1y, ngu\u1ed3n \u0111i\u1ec7n, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed, b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n v\u00e0 m\u00e1y th\u1ef1c thi (h\u1ec7 th\u1ed1ng servo). Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean m\u00e1y ti\u1ec7n th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi v\u1eadn h\u00e0nh li\u00ean t\u1ee5c thay \u0111\u1ed5i \u0111\u01b0\u1eddng chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa c\u00f4ng c\u1ee5 v\u00e0 ph\u00f4i theo y\u00eau c\u1ea7u c\u1ee7a b\u1ea3n v\u1ebd b\u1ed9 ph\u1eadn v\u00e0 c\u00f4ng c\u1ee5 c\u1eaft ph\u00f4i \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn mong mu\u1ed1n; Trong khi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u00ean m\u00e1y ti\u1ec7n CNC Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, tr\u00ecnh t\u1ef1 x\u1eed l\u00fd, tham s\u1ed1 quy tr\u00ecnh v\u00e0 y\u00eau c\u1ea7u chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y ti\u1ec7n \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng ng\u00f4n ng\u1eef CNC, sau \u0111\u00f3 nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb CNC v\u00e0 thi\u1ebft b\u1ecb CNC th\u1ef1c hi\u1ec7n m\u1ed9t lo\u1ea1t x\u1eed l\u00fd \u0111\u1ebfn h\u1ec7 th\u1ed1ng servo. H\u01b0\u1edbng d\u1eabn h\u1ec7 th\u1ed1ng servo \u0111i\u1ec1u khi\u1ec3n c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y ti\u1ec7n \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng ho\u00e0n th\u00e0nh vi\u1ec7c gia c\u00f4ng c\u00e1c b\u1ed9 ph\u1eadn.<\/div>\n<div><\/div>\n<h1>3 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y ti\u1ec7n CNC<\/h1>\n<div>\u0110\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng c\u1ee7a m\u00e1y ti\u1ec7n CNC bao g\u1ed3m \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng CNC v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u01a1 h\u1ecdc c\u1ee7a m\u00e1y ti\u1ec7n. \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng CNC v\u00e0 li\u1ec7u ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n servo c\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ed1i \u01b0u \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng c\u1ee7a m\u00e1y ti\u1ec7n CNC hay kh\u00f4ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u00e2n m\u00e1y c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 c\u0169ng h\u1ea1n ch\u1ebf \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng c\u1ee7a m\u00e1y ti\u1ec7n CNC. N\u00f3i chung, s\u1ef1 kh\u00f4ng ch\u00ednh x\u00e1c c\u1ee7a gia c\u00f4ng m\u00e1y ti\u1ec7n CNC th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u00e2y ra b\u1edfi c\u00e1c l\u00fd do sau: (1) L\u1ed7i bi\u1ebfn d\u1ea1ng nhi\u1ec7t m\u00e1y ti\u1ec7n;<\/div>\n<div>(2) L\u1ed7i h\u00ecnh h\u1ecdc m\u00e1y ti\u1ec7n;<\/div>\n<div>(3) L\u1ed7i do bi\u1ebfn c\u00e1c tham s\u1ed1 h\u00ecnh h\u1ecdc c\u1ee7a c\u00f4ng c\u1ee5;<\/div>\n<div>(4) L\u1ed7i m\u00f2n d\u1ee5ng c\u1ee5;<\/div>\n<div>(5) L\u1ed7i h\u1ec7 th\u1ed1ng c\u1ea5p li\u1ec7u Servo, v.v.<\/div>\n<div>Trong s\u1ed1 \u0111\u00f3, l\u1ed7i g\u00e2y ra b\u1edfi vi\u1ec7c chuy\u1ec3n c\u00e1c tham s\u1ed1 h\u00ecnh h\u1ecdc c\u1ee7a c\u00f4ng c\u1ee5 v\u00e0 l\u1ed7i h\u1ec7 th\u1ed1ng ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u servo l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y ti\u1ec7n CNC hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 servo \u0111\u1ec3 l\u00e1i v\u00edt b\u00f3ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed c\u1ee7a n\u00f3. L\u1ed7i truy\u1ec1n c\u1ee7a v\u00edt bi c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ecbnh v\u1ecb c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 CNC. Hi\u1ec7n t\u1ea1i, quy tr\u00ecnh NC c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 CNC t\u1ea1i Trung Qu\u1ed1c h\u1ea7u h\u1ebft \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi h\u1ec7 th\u1ed1ng c\u1ea5p li\u1ec7u \u0111i\u1ec1u khi\u1ec3n servo n\u1eeda v\u00f2ng k\u00edn. Khi l\u00e0m vi\u1ec7c tr\u00ean m\u00e1y ti\u1ec7n CNC, chuy\u1ec3n \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i c\u1ee7a tr\u1ee5c v\u00edt c\u1ee7a m\u00f4 t\u01a1 servo s\u1ebd l\u00e0m cho khe h\u1edf kh\u00f4ng kh\u00ed b\u1ecb tr\u1ed1ng, g\u00e2y ra l\u1ed7i ph\u1ea3n \u1ee9ng ng\u01b0\u1ee3c gi\u1eefa \u1ed5 \u0111\u1ee1 v\u00e0 \u1ed5 tr\u1ee5c. \u0110\u1ed3ng th\u1eddi, ngo\u1ea1i l\u1ef1c s\u1ebd l\u00e0m cho b\u1ed9 ph\u1eadn truy\u1ec1n v\u00e0 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y b\u1ecb bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i. L\u1ed7i c\u1ee7a m\u00e1y ti\u1ec7n CNC l\u00e0 t\u1ed5ng c\u1ee7a l\u1ed7i ch\u1ea1y v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u1ea3n \u1ee9ng ng\u01b0\u1ee3c, v\u00e0 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i khe h\u1edf \u0111\u00e0n h\u1ed3i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n s\u1ed1. S\u1ef1 ch\u00ednh x\u00e1c.<\/div>\n<div>C\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00f4ng c\u1ee5 ti\u1ec7n c\u1ee7a m\u00e1y ti\u1ec7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n s\u1ed1 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn theo m\u1ed9t qu\u1ef9 \u0111\u1ea1o nh\u1ea5t \u0111\u1ecbnh. Do b\u00e1n k\u00ednh quay c\u1ee7a m\u0169i dao v\u00e0 g\u00f3c gi\u1ea3m dao c\u1ee7a dao ti\u1ec7n c\u1ee7a m\u00e1y ti\u1ec7n CNC, k\u00edch th\u01b0\u1edbc tr\u1ee5c c\u1ee7a gia c\u00f4ng c\u1ee7a th\u00e0nh ph\u1ea7n h\u00ecnh tr\u1ee5 thay \u0111\u1ed5i v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a k\u00edch th\u01b0\u1edbc tr\u1ee5c t\u1ef7 l\u1ec7 v\u1edbi b\u00e1n k\u00ednh c\u1ee7a dao \u0111\u1ea7u cung. L\u01b0\u1ee3ng thay \u0111\u1ed5i trong k\u00edch th\u01b0\u1edbc tr\u1ee5c t\u0103ng khi b\u00e1n k\u00ednh c\u1ee7a cung tr\u00f2n s\u1eafc n\u00e9t t\u0103ng. S\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc tr\u1ee5c t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi g\u00f3c c\u1ee7a dao ch\u00ednh c\u1ee7a d\u1ee5ng c\u1ee5 m\u00e1y ti\u1ec7n v\u00e0 s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc tr\u1ee5c gi\u1ea3m khi g\u00f3c dao ch\u00ednh t\u0103ng.<\/div>\n<div>Do \u0111\u00f3, trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh c\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng, chi\u1ec1u d\u00e0i d\u1ecbch chuy\u1ec3n tr\u1ee5c ph\u1ea3i \u0111\u01b0\u1ee3c thay \u0111\u1ed5i theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a k\u00edch th\u01b0\u1edbc tr\u1ee5c. Trong gia c\u00f4ng m\u00e1y ti\u1ec7n CNC, c\u00e1c tham s\u1ed1 nh\u01b0 b\u00e1n k\u00ednh c\u1ee7a cung m\u0169i dao, g\u00f3c ch\u00ec kr, kho\u1ea3ng c\u00e1ch gi\u1eefa \u0111\u1ea7u dao v\u00e0 chi\u1ec1u cao c\u1ee7a t\u00e2m dao s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a chi ti\u1ebft gia c\u00f4ng v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t c\u1ee7a m\u1ed9t ph\u1ea7n. S\u1ef1 b\u1ea5t h\u1ee3p l\u00fd c\u1ee7a c\u00e1c tham s\u1ed1 li\u00ean quan c\u0169ng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 m\u00e1y ti\u1ec7n.<\/div>\n<div><\/div>\n<h1>4 ph\u01b0\u01a1ng ph\u00e1p v\u00e0 bi\u1ec7n ph\u00e1p c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y ti\u1ec7n CNC<\/h1>\n<div>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 CNC, ngh\u0129a l\u00e0 gi\u1ea3m l\u1ed7i gia c\u00f4ng c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5, \u0111\u00e3 tr\u1edf th\u00e0nh tr\u1ecdng t\u00e2m v\u00e0 v\u1ea5n \u0111\u1ec1 n\u00f3ng trong nghi\u00ean c\u1ee9u c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. \u0110\u1ed1i v\u1edbi m\u00e1y ti\u1ec7n CNC g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf \u0111\u1ed9 ch\u00ednh x\u00e1c x\u1eed l\u00fd s\u1ea3n ph\u1ea9m kh\u00f4ng cao, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p b\u00f9 l\u1ed7i, ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ng\u1eeba l\u1ed7i v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 bi\u1ec7n ph\u00e1p kh\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c x\u1eed l\u00fd c\u1ee7a n\u00f3.<\/div>\n<h2>4.1 Ph\u01b0\u01a1ng ph\u00e1p b\u1ed3i th\u01b0\u1eddng l\u1ed7i<\/h2>\n<div>Ph\u01b0\u01a1ng ph\u00e1p b\u00f9 l\u1ed7i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng b\u00f9 c\u1ee7a h\u1ec7 th\u1ed1ng CNC \u0111\u1ec3 b\u00f9 cho l\u1ed7i hi\u1ec7n c\u00f3 tr\u00ean tr\u1ee5c m\u00e1y ti\u1ec7n, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y ti\u1ec7n. N\u00f3 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y ti\u1ec7n CNC c\u1ea3 v\u1ec1 kinh t\u1ebf v\u00e0 kinh t\u1ebf. Th\u00f4ng qua c\u00f4ng ngh\u1ec7 b\u00f9 l\u1ed7i, c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gia c\u00f4ng tr\u00ean m\u00e1y ti\u1ec7n CNC v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p. Vi\u1ec7c th\u1ef1c hi\u1ec7n b\u00f9 l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ph\u1ea7n c\u1ee9ng, nh\u01b0ng c\u0169ng b\u1eb1ng ph\u1ea7n m\u1ec1m.<\/div>\n<div>(1) \u0110\u1ed1i v\u1edbi m\u00e1y ti\u1ec7n CNC s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng servo n\u1eeda k\u00edn, \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ecbnh v\u1ecb v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a m\u00e1y ti\u1ec7n b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 l\u1ec7ch ng\u01b0\u1ee3c, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng c\u1ee7a chi ti\u1ebft gia c\u00f4ng. \u0110\u1ed1i v\u1edbi l\u1ed7i trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ph\u01b0\u01a1ng ph\u00e1p b\u00f9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Sai l\u1ec7ch ng\u01b0\u1ee3c cho b\u00f9, gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u1ea7n gia c\u00f4ng. Hi\u1ec7n t\u1ea1i, nhi\u1ec1u m\u00e1y ti\u1ec7n CNC trong ng\u00e0nh gia c\u00f4ng c\u01a1 kh\u00ed c\u1ee7a Trung Qu\u1ed1c c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ecbnh v\u1ecb h\u01a1n 0,02 m m. \u0110\u1ed1i v\u1edbi c\u00e1c m\u00e1y ti\u1ec7n nh\u01b0 v\u1eady, th\u01b0\u1eddng kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng b\u00f9. Ph\u01b0\u01a1ng ph\u00e1p l\u1eadp tr\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb \u0111\u01a1n v\u1ecb trong c\u00e1c t\u00ecnh hu\u1ed1ng nh\u1ea5t \u0111\u1ecbnh v\u00e0 x\u00f3a ph\u1ea3n \u1ee9ng d\u1eef d\u1ed9i.<\/div>\n<div>(2) Ph\u01b0\u01a1ng ph\u00e1p l\u1eadp tr\u00ecnh c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n x\u1eed l\u00fd n\u1ed9i suy c\u1ee7a m\u00e1y ti\u1ec7n CNC v\u1edbi ph\u1ea7n c\u01a1 h\u1ecdc kh\u00f4ng thay \u0111\u1ed5i v\u00e0 \u0111\u1ecbnh v\u1ecb \u0111\u01a1n h\u01b0\u1edbng t\u1ed1c \u0111\u1ed9 th\u1ea5p \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u n\u1ed9i suy. Khi ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u n\u1ed9i suy \u0111\u01b0\u1ee3c \u0111\u1ea3o ng\u01b0\u1ee3c trong quy tr\u00ecnh n\u1ed9i suy, gi\u00e1 tr\u1ecb ph\u1ea3n \u1ee9ng ng\u01b0\u1ee3c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed9i suy ch\u00ednh th\u1ee9c \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 dung sai c\u1ee7a b\u1ed9 ph\u1eadn. C\u00e1c lo\u1ea1i m\u00e1y ti\u1ec7n \u0111i\u1ec1u khi\u1ec3n s\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi m\u1ed9t s\u1ed1 \u0111\u1ecba ch\u1ec9 trong b\u1ed9 nh\u1edb thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n s\u1ed1, \u0111\u1ec3 l\u01b0u tr\u1eef gi\u00e1 tr\u1ecb backlash c\u1ee7a m\u1ed7i tr\u1ee5c nh\u01b0 m\u1ed9t \u0111\u01a1n v\u1ecb l\u01b0u tr\u1eef chuy\u00ean d\u1ee5ng. Khi m\u1ed9t tr\u1ee5c nh\u1ea5t \u0111\u1ecbnh c\u1ee7a m\u00e1y ti\u1ec7n \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn thay \u0111\u1ed5i h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng, thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n s\u1ed1 c\u1ee7a m\u00e1y ti\u1ec7n \u0111i\u1ec1u khi\u1ec3n s\u1ed1 s\u1ebd \u0111\u1ecdc gi\u00e1 tr\u1ecb backlash c\u1ee7a tr\u1ee5c theo th\u1eddi gian, v\u00e0 b\u00f9 v\u00e0 s\u1eeda gi\u00e1 tr\u1ecb l\u1ec7nh d\u1ecbch chuy\u1ec3n t\u1ecda \u0111\u1ed9, v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ecbnh v\u1ecb m\u00e1y ti\u1ec7n theo y\u00eau c\u1ea7u. \u1ede v\u1ecb tr\u00ed \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh, lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 l\u1ec7ch ng\u01b0\u1ee3c l\u00ean \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u1ea7n gia c\u00f4ng.<\/div>\n<h2>4.2 Ph\u01b0\u01a1ng ph\u00e1p ph\u00f2ng ch\u1ed1ng l\u1ed7i<\/h2>\n<div>Ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ng\u1eeba l\u1ed7i thu\u1ed9c v\u1ec1 ph\u00f2ng ch\u1ed1ng l\u1ed7i c\u0169, c\u00f3 ngh\u0129a l\u00e0 c\u1ed1 g\u1eafng lo\u1ea1i b\u1ecf c\u00e1c ngu\u1ed3n l\u1ed7i c\u00f3 th\u1ec3 th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t v\u00e0 thi\u1ebft k\u1ebf. V\u00ed d\u1ee5, b\u1eb1ng c\u00e1ch t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a gia c\u00f4ng v\u00e0 l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y ti\u1ec7n, t\u0103ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y ti\u1ec7n (c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac v\u00e0 v\u1eadt li\u1ec7u c\u1ee7a m\u00e1y ti\u1ec7n) v\u00e0 b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd m\u00f4i tr\u01b0\u1eddng gia c\u00f4ng (nh\u01b0 m\u00f4i tr\u01b0\u1eddng gia c\u00f4ng v\u00e0 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ed9i th\u1ea3o), n\u00f3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng ch\u00ednh x\u00e1c truy\u1ec1n th\u1ed1ng. Ph\u01b0\u01a1ng ph\u00e1p ph\u00f2ng ng\u1eeba l\u1ed7i \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u1ee9ng c\u1ee9ng c\u1ee7a Google, nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 m\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ti\u1ec7n t\u0103ng l\u00ean trong m\u1ed1i quan h\u1ec7 h\u00ecnh h\u1ecdc v\u1edbi chi ph\u00ed. \u0110\u1ed3ng th\u1eddi, ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ng\u1eeba l\u1ed7i \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng c\u1ee7a m\u00e1y ti\u1ec7n, v\u00e0 sau khi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh, s\u1ebd r\u1ea5t kh\u00f3 \u0111\u1ec3 n\u00e2ng cao l\u1ea1i.<\/div>\n<h2>4.3 C\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c<\/h2>\n<div>L\u1ed7i ch\u00ednh x\u00e1c gia c\u00f4ng g\u00e2y ra b\u1edfi c\u00e1c tham s\u1ed1 h\u00ecnh h\u1ecdc c\u1ee7a c\u00f4ng c\u1ee5 ti\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft theo c\u00e1ch sau: Trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh, qu\u1ef9 \u0111\u1ea1o c\u1ee7a \u0111\u1ea7u dao ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng vi\u1ec1n gia c\u00f4ng chi ti\u1ebft v\u00e0 \u0111\u01b0\u1eddng vi\u1ec1n l\u00fd t\u01b0\u1edfng, ngh\u0129a l\u00e0 cung tr\u00f2n y\u00eau c\u1ea7u th\u1ef1c t\u1ebf \u0111\u1ea7u c\u00f4ng c\u1ee5 h\u00ecnh tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh th\u00f4ng qua t\u00ednh to\u00e1n c\u1ee7a con ng\u01b0\u1eddi. Qu\u1ef9 \u0111\u1ea1o \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t qu\u1ef9 \u0111\u1ea1o c\u1ee7a m\u0169i c\u00f4ng c\u1ee5 t\u01b0\u1edfng t\u01b0\u1ee3ng v\u00e0 kh\u00f4ng c\u00f3 l\u1ed7i v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft. \u0110\u1ed3ng th\u1eddi, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng trung t\u00e2m c\u1ee7a cung tr\u00f2n \u0111\u1ea7u dao l\u00e0m v\u1ecb tr\u00ed c\u00f4ng c\u1ee5 trong quy tr\u00ecnh l\u1eadp tr\u00ecnh. B\u1edfi v\u00ec qu\u00e1 tr\u00ecnh v\u1ebd qu\u1ef9 \u0111\u1ea1o trung t\u00e2m c\u1ee7a cung m\u0169i c\u00f4ng c\u1ee5 v\u00e0 t\u00ednh to\u00e1n \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng c\u1ee7a n\u00f3 r\u1ea5t ph\u1ee9c t\u1ea1p trong quy tr\u00ecnh n\u00e0y, m\u1ed9t l\u1ed7i nh\u1ecf s\u1ebd g\u00e2y ra l\u1ed7i l\u1edbn, \u0111\u1ec3 tr\u00e1nh v\u00e0 gi\u1ea3m s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a l\u1ed7i n\u00e0y, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng v\u1ebd c\u1ee7a \u0111\u01b0\u1eddng kho\u1ea3ng c\u00e1ch trung b\u00ecnh CAD v\u00e0 ch\u1ee9c n\u0103ng truy v\u1ea5n t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m. Tuy nhi\u00ean, khi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, c\u1ea7n ki\u1ec3m tra xem gi\u00e1 tr\u1ecb b\u00e1n k\u00ednh c\u1ee7a cung c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng c\u1ee5 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb trong ch\u01b0\u01a1ng tr\u00ecnh hay kh\u00f4ng v\u00e0 c\u1ea7n th\u1eadn tr\u1ecdng khi xem x\u00e9t gi\u00e1 tr\u1ecb c\u1ee7a c\u00f4ng c\u1ee5.<\/div>\n<\/div>\n<\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>","protected":false},"excerpt":{"rendered":"<p>CNC lathe machining is a kind of high-precision, high-efficiency machine tool with digital information control parts and tool displacement. It is an effective way to solve the problems of aerospace products, such as parts variety, small batch, complex shape, high precision and high efficiency and automatic processing. CNC lathe machining is a high-tech processing method&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/1837"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=1837"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/1837\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=1837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=1837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=1837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}