{"id":1624,"date":"2026-08-24T10:16:18","date_gmt":"2026-08-24T02:16:18","guid":{"rendered":"https:\/\/lqcncparts.com\/?post_type=news&p=1624"},"modified":"2026-09-02T14:34:05","modified_gmt":"2026-09-02T06:34:05","slug":"giai-thich-cac-loai-vit-bi-co-che-tuan-hoan-dai-oc-va-luc-nen-truoc","status":"publish","type":"news","link":"https:\/\/lqcncparts.com\/vi\/news\/ball-screw-types-explained-nuts-circulation-and-preload\/","title":{"rendered":"Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i v\u00edt bi: \u0110ai \u1ed1c, chu tr\u00ecnh chuy\u1ec3n \u0111\u1ed9ng v\u00e0 l\u1ef1c n\u00e9n tr\u01b0\u1edbc"},"content":{"rendered":"

Nh\u00f3m N\u1ed9i dung K\u1ef9 thu\u1eadt LONGQIAO | Xu\u1ea5t b\u1ea3n ng\u00e0y 24 th\u00e1ng 8 n\u0103m 2026<\/p>\n

V\u00edt bi<\/a><\/strong><\/span> thay \u0111\u1ed5i theo ba h\u01b0\u1edbng th\u1ef1c ti\u1ec5n: c\u00e1ch c\u00e1c bi l\u01b0u th\u00f4ng tr\u1edf l\u1ea1i qua \u0111ai \u1ed1c, tr\u1ee5c \u0111\u01b0\u1ee3c c\u00e1n hay m\u00e0i, v\u00e0 c\u00e1ch l\u1ef1c n\u00e9n tr\u01b0\u1edbc lo\u1ea1i b\u1ecf khe h\u1edf. M\u1ed7i l\u1ef1a ch\u1ecdn \u0111\u1ec1u c\u00f3 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i kh\u00e1c nhau v\u1ec1 chi ph\u00ed, ti\u1ebfng \u1ed3n, \u0111\u1ed9 c\u1ee9ng v\u00e0 th\u1eddi gian giao h\u00e0ng \u2014 vi\u1ec7c ch\u1ecdn m\u1ed9t \u201clo\u1ea1i\u201d th\u1ef1c ch\u1ea5t c\u00f3 ngh\u0129a l\u00e0 ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed tr\u00ean ba h\u01b0\u1edbng n\u00e0y.<\/p>\n

Ba quy\u1ebft \u0111\u1ecbnh \u1ea9n sau m\u1ed9t m\u00e3 s\u1ea3n ph\u1ea9m<\/h2>\n

H\u1ea7u h\u1ebft c\u00e1c danh m\u1ee5c s\u1ea3n ph\u1ea9m v\u00edt bi \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo m\u00e3 d\u00f2ng s\u1ea3n ph\u1ea9m \u2014 m\u1ed9t quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean h\u1ea7u nh\u01b0 kh\u00f4ng cung c\u1ea5p cho ng\u01b0\u1eddi mua b\u1ea5t k\u1ef3 th\u00f4ng tin n\u00e0o v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a chi ti\u1ebft \u0111\u00f3 tr\u00ean m\u00e1y m\u00f3c c\u1ee7a h\u1ecd. D\u01b0\u1edbi c\u00e1c s\u1ed1 hi\u1ec7u m\u1eabu, m\u1ed7i c\u1ee5m v\u00edt bi th\u1ef1c ch\u1ea5t l\u00e0 t\u1ed5ng h\u1ee3p c\u1ee7a ba l\u1ef1a ch\u1ecdn ri\u00eang bi\u1ec7t do nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra: c\u00e1ch c\u00e1c bi tu\u1ea7n ho\u00e0n quay tr\u1edf l\u1ea1i \u0111i\u1ec3m \u0111\u1ea7u c\u1ee7a \u0111\u01b0\u1eddng ray, c\u00e1ch tr\u1ee5c \u0111\u01b0\u1ee3c gia c\u00f4ng, v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t \u0111ai \u1ed1c \u0111\u1ec3 lo\u1ea1i b\u1ecf khe h\u1edf.<\/p>\n

Ch\u1ec9 c\u1ea7n m\u1eafc sai l\u1ea7m \u1edf b\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o trong s\u1ed1 n\u00e0y khi thi\u1ebft k\u1ebf, c\u00e1c tri\u1ec7u ch\u1ee9ng s\u1ebd xu\u1ea5t hi\u1ec7n \u1edf nh\u1eefng v\u1ecb tr\u00ed c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc \u2014 hi\u1ec7n t\u01b0\u1ee3ng rung l\u1eafc khi ch\u1ecbu t\u1ea3i, \u0111\u1ed9 tr\u1ec5 t\u0103ng d\u1ea7n theo m\u1ee9c \u0111\u1ed9 m\u00e0i m\u00f2n, ho\u1eb7c th\u1eddi gian th\u1ef1c hi\u1ec7n v\u01b0\u1ee3t qu\u00e1 ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd ph\u00e2n t\u00edch t\u1eebng quy\u1ebft \u0111\u1ecbnh theo th\u1ee9 t\u1ef1 m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c th\u01b0\u1eddng ph\u1ea3i th\u1ef1c hi\u1ec7n.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o m\u00e0 nh\u1eefng qu\u1ea3 b\u00f3ng l\u1ea1i quay tr\u1edf v\u1ec1 \u0111i\u1ec3m xu\u1ea5t ph\u00e1t c\u1ee7a chi\u1ebfc \u0111ai \u1ed1c?<\/h2>\n

V\u00edt bi ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c nh\u1edd c\u01a1 ch\u1ebf tu\u1ea7n ho\u00e0n c\u1ee7a c\u00e1c vi\u00ean bi \u2014 sau khi l\u0103n qua v\u00f9ng ch\u1ecbu t\u1ea3i b\u00ean trong \u0111ai \u1ed1c, ch\u00fang c\u1ea7n m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 quay tr\u1edf l\u1ea1i v\u1ecb tr\u00ed ban \u0111\u1ea7u. C\u00f3 ba ki\u1ec3u thi\u1ebft k\u1ebf tu\u1ea7n ho\u00e0n chi\u1ebfm ph\u1ea7n l\u1edbn c\u00e1c s\u1ea3n ph\u1ea9m tr\u00ean th\u1ecb tr\u01b0\u1eddng, v\u00e0 ch\u00fang ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau \u0111\u1ebfn m\u1ee9c \u0111\u1ee7 \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y m\u00f3c.<\/p>\n

H\u1ec7 th\u1ed1ng d\u1eabn bi b\u00ean ngo\u00e0i (\u1ed1ng) d\u1eabn c\u00e1c vi\u00ean bi \u0111i qua m\u1ed9t \u1ed1ng \u0111\u01b0\u1ee3c l\u1eafp b\u00ean ngo\u00e0i th\u00e2n \u0111ai \u1ed1c. \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t r\u1ed9ng r\u00e3i v\u00e0 th\u01b0\u1eddng l\u00e0 lo\u1ea1i d\u1ec5 t\u00ecm mua nh\u1ea5t v\u1edbi c\u00e1c chi\u1ec1u d\u00e0i kh\u00f4ng chu\u1ea9n; tuy nhi\u00ean, \u1ed1ng b\u00ean ngo\u00e0i l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc b\u00ean ngo\u00e0i c\u1ee7a \u0111ai \u1ed1c v\u00e0 l\u00e0 b\u1ed9 ph\u1eadn d\u1ec5 b\u1ecb va \u0111\u1eadp ho\u1eb7c nhi\u1ec5m b\u1ea9n nh\u1ea5t trong m\u00f4i tr\u01b0\u1eddng x\u01b0\u1edfng l\u00e0m vi\u1ec7c b\u1ea9n th\u1ec9u.<\/p>\n

C\u01a1 c\u1ea5u d\u1eabn h\u01b0\u1edbng b\u00ean trong gi\u00fap \u0111\u01b0a c\u00e1c bi di chuy\u1ec3n qua m\u1ed9t r\u00e3nh \u0111\u01b0\u1ee3c gia c\u00f4ng ho\u1eb7c l\u1eafp s\u1eb5n b\u00ean trong ch\u00ednh \u0111ai \u1ed1c, do \u0111\u00f3 kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn n\u00e0o nh\u00f4 ra ngo\u00e0i \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a \u0111ai \u1ed1c. T\u00ednh g\u1ecdn nh\u1eb9 n\u00e0y ch\u00ednh l\u00e0 \u0111i\u1ec3m thu h\u00fat ch\u00ednh \u0111\u1ed1i v\u1edbi c\u00e1c kh\u00f4ng gian l\u1eafp \u0111\u1eb7t m\u00e1y m\u00f3c ch\u1eadt h\u1eb9p; b\u00f9 l\u1ea1i, quy tr\u00ecnh l\u1eafp r\u00e1p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n, \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed.<\/p>\n

C\u01a1 ch\u1ebf d\u1eabn h\u01b0\u1edbng \u0111\u1ea7u (End-cap return) s\u1eed d\u1ee5ng c\u00e1c n\u1eafp \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o hai \u0111\u1ea7u c\u1ee7a \u0111ai \u1ed1c \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng l\u1ea1i c\u00e1c bi, m\u00e0 kh\u00f4ng c\u1ea7n \u1ed1ng b\u00ean ngo\u00e0i. C\u01a1 ch\u1ebf n\u00e0y n\u1eb1m \u1edf gi\u1eefa hai lo\u1ea1i c\u00f2n l\u1ea1i v\u1ec1 \u0111\u1ed9 g\u1ecdn nh\u1eb9 v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c \u0111ai \u1ed1c c\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb l\u1ef1c c\u1ea3n do \u1ed1ng nh\u00f4 ra g\u00e2y ra khi va ch\u1ea1m v\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed ho\u1eb7c c\u00e1c m\u1ea3nh v\u1ee5n.<\/p>\n\n\n\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u01b0u th\u00f4ng<\/b><\/strong><\/td>\nC\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/b><\/strong><\/td>\nH\u00ecnh d\u00e1ng b\u00ean ngo\u00e0i<\/b><\/strong><\/td>\nS\u1ef1 \u0111\u00e1nh \u0111\u1ed5i \u0111i\u1ec3n h\u00ecnh<\/b><\/strong><\/td>\n<\/tr>\n
H\u1ec7 th\u1ed1ng h\u1ed3i l\u01b0u b\u00ean ngo\u00e0i (d\u1ea1ng \u1ed1ng)<\/td>\n\u1ed0ng d\u1eabn b\u00f3ng ra ngo\u00e0i \u0111ai \u1ed1c<\/td>\nL\u1edbn h\u01a1n, ph\u1ea7n \u1ed1ng nh\u00f4 ra<\/td>\nD\u1ec5 t\u00ecm mua nh\u1ea5t; \u1ed1ng d\u1ec5 b\u1ecb va \u0111\u1eadp v\u00e0 nhi\u1ec5m b\u1ea9n<\/td>\n<\/tr>\n
B\u1ed9 l\u00e0m l\u1ec7ch h\u01b0\u1edbng b\u00ean trong<\/td>\nC\u00e1c bi \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng v\u00e0o b\u00ean trong th\u00e2n \u0111ai \u1ed1c<\/td>\nThi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, kh\u00f4ng c\u00f3 ph\u1ea7n nh\u00f4 ra<\/td>\nTi\u1ebft ki\u1ec7m kh\u00f4ng gian; \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111ai \u1ed1c<\/td>\n<\/tr>\n
Tr\u1ea3 l\u1ea1i h\u00e0ng \u1edf k\u1ec7 \u0111\u1ea7u d\u00e3y<\/td>\nC\u00e1c n\u1eafp \u0111\u1ea7u s\u1ebd chuy\u1ec3n h\u01b0\u1edbng c\u00e1c qu\u1ea3 b\u00f3ng \u1edf m\u1ed7i \u0111\u1ea7u<\/td>\nTrung b\u00ecnh<\/td>\nTh\u00edch h\u1ee3p cho vi\u1ec7c ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 cao; c\u00e1c n\u1eafp l\u00e0 b\u1ed9 ph\u1eadn d\u1ec5 m\u00f2n c\u1ea7n ki\u1ec3m tra<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kh\u00f4ng c\u00f3 thi\u1ebft k\u1ebf n\u00e0o trong s\u1ed1 n\u00e0y l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. M\u1ed9t tr\u1ee5c c\u00f3 h\u00e0nh tr\u00ecnh d\u00e0i v\u1edbi kh\u00f4ng gian l\u1eafp \u0111\u1eb7t r\u1ed9ng r\u00e3i hi\u1ebfm khi c\u1ea7n \u0111\u1ebfn t\u00ednh g\u1ecdn nh\u1eb9 c\u1ee7a \u0111ai \u1ed1c l\u1ec7ch h\u01b0\u1edbng b\u00ean trong, v\u00e0 vi\u1ec7c chi ti\u1ec1n cho thi\u1ebft k\u1ebf \u0111\u00f3 \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c b\u1ecf ti\u1ec1n ra gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00e0 m\u00e1y m\u00f3c v\u1ed1n kh\u00f4ng g\u1eb7p ph\u1ea3i.<\/p>\n

Tr\u1ee5c c\u00e1n v\u00e0 tr\u1ee5c m\u00e0i gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau<\/h2>\n

Quy\u1ebft \u0111\u1ecbnh th\u1ee9 hai li\u00ean quan \u0111\u1ebfn c\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t ch\u00ednh tr\u1ee5c v\u00edt. C\u00e1c tr\u1ee5c v\u00edt c\u00e1n \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh b\u1eb1ng c\u00e1ch c\u00e1n h\u00ecnh d\u1ea1ng ren v\u00e0o thanh th\u00e9p th\u00f4 \u2014 m\u1ed9t quy tr\u00ecnh nhanh h\u01a1n v\u00e0 chi ph\u00ed th\u1ea5p h\u01a1n, cho ra s\u1ea3n ph\u1ea9m v\u00edt bi ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c cho ph\u1ea7n l\u1edbn c\u00e1c c\u00f4ng vi\u1ec7c t\u1ef1 \u0111\u1ed9ng h\u00f3a th\u00f4ng th\u01b0\u1eddng. Tr\u1ee5c \u0111\u01b0\u1ee3c m\u00e0i \u0111\u01b0\u1ee3c gia c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u00e0i ch\u00ednh x\u00e1c sau khi x\u1eed l\u00fd nhi\u1ec7t; quy tr\u00ecnh n\u00e0y t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 chi ph\u00ed h\u01a1n, nh\u01b0ng mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c b\u01b0\u1edbc ren cao h\u01a1n v\u00e0 b\u1ec1 m\u1eb7t v\u1eadn h\u00e0nh m\u1ecbn m\u00e0ng h\u01a1n.<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quan ni\u1ec7m sai l\u1ea7m c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00ednh ch\u00ednh ngay: tr\u1ee5c m\u00e0i kh\u00f4ng t\u1ef1 \u0111\u1ed9ng tr\u1edf th\u00e0nh \u201ctr\u1ee5c v\u00edt bi t\u1ed1t h\u01a1n\u201d. \u0110\u1ed1i v\u1edbi tr\u1ee5c d\u1ea7m trong gia c\u00f4ng g\u1ed7 ho\u1eb7c c\u01a1 ch\u1ebf n\u1ea1p v\u1eadt li\u1ec7u \u0111a n\u0103ng, tr\u1ee5c c\u00e1n c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 th\u1eddi gian giao h\u00e0ng ng\u1eafn h\u01a1n, trong khi kh\u1ea3 n\u0103ng d\u1ef1 tr\u1eef \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a tr\u1ee5c m\u00e0i l\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng. Tr\u1ee5c m\u00e0i ch\u1ec9 th\u1ef1c s\u1ef1 x\u1ee9ng \u0111\u00e1ng v\u1edbi m\u1ee9c gi\u00e1 cao h\u01a1n tr\u00ean c\u00e1c tr\u1ee5c m\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u1ecb tr\u00ed \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng chi ti\u1ebft \u2014 nh\u01b0 v\u1ecb tr\u00ed thay dao, tr\u1ee5c gia c\u00f4ng ti\u1ebfn dao nh\u1ecf ho\u1eb7c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng. Vi\u1ec7c m\u1eb7c \u0111\u1ecbnh y\u00eau c\u1ea7u s\u1eed d\u1ee5ng tr\u1ee5c m\u00e0i cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn c\u00e1c d\u1ef1 \u00e1n chi ti\u00eau qu\u00e1 m\u1ee9c cho m\u1ed9t y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt m\u00e0 kh\u00f4ng ai y\u00eau c\u1ea7u.<\/p>\n

\"V\u00edt<\/p>\n

Lo\u1ea1i b\u1ecf khe h\u1edf: \u0110ai \u1ed1c \u0111\u01a1n, \u0111ai \u1ed1c \u0111\u00f4i, bi c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n<\/h2>\n

Quy\u1ebft \u0111\u1ecbnh th\u1ee9 ba l\u00e0 l\u1ef1c n\u00e9n ban \u0111\u1ea7u \u2014 c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh \u0111ai \u1ed1c \u0111\u1ec3 lo\u1ea1i b\u1ecf kho\u1ea3ng h\u1edf nh\u1ecf (backlash) v\u1ed1n s\u1ebd t\u1ed3n t\u1ea1i gi\u1eefa c\u00e1c bi v\u00e0 ren v\u00edt.<\/p>\n