{"id":838,"date":"2026-06-24T09:16:00","date_gmt":"2026-06-24T09:16:00","guid":{"rendered":"https:\/\/oldhamcoupling.net\/oldham-coupling-failure-analysis-common-causes-and-how-to-prevent-them\/"},"modified":"2026-06-24T09:16:01","modified_gmt":"2026-06-24T09:16:01","slug":"oldham-coupling-failure-analysis-common-causes-and-how-to-prevent-them","status":"publish","type":"post","link":"https:\/\/oldhamcoupling.net\/vi\/oldham-coupling-failure-analysis-common-causes-and-how-to-prevent-them\/","title":{"rendered":"Ph\u00e2n t\u00edch l\u1ed7i kh\u1edbp n\u1ed1i Oldham: Nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba"},"content":{"rendered":"

Kh\u1edbp n\u1ed1i Oldham l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 ph\u1eadn \u0111\u00e1ng tin c\u1eady nh\u1ea5t trong h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng ch\u00ednh x\u00e1c. Kh\u00f4ng c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e0n h\u1ed3i b\u1ecb l\u00e3o h\u00f3a, kh\u00f4ng c\u00f3 l\u00f2 xo b\u1ecb m\u1ecfi v\u00e0 kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng d\u1eabn b\u00f4i tr\u01a1n b\u1ecb t\u1eafc ngh\u1ebdn, ch\u00fang c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec1u n\u0103m m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng. Tuy nhi\u00ean, ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng th\u1ec3 h\u1ecfng. Khi kh\u1edbp n\u1ed1i Oldham b\u1ecb h\u1ecfng, ki\u1ec3u h\u1ecfng th\u01b0\u1eddng thu\u1ed9c m\u1ed9t trong s\u1ed1 \u00edt c\u00e1c lo\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5 \u2014 v\u00e0 m\u1ed7i lo\u1ea1i ch\u1ec9 ra m\u1ed9t nguy\u00ean nh\u00e2n g\u1ed1c c\u1ee5 th\u1ec3 m\u00e0, m\u1ed9t khi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u0103n ng\u1eeba th\u00f4ng qua c\u00e1c thay \u0111\u1ed5i thi\u1ebft k\u1ebf, quy tr\u00ecnh b\u1ea3o tr\u00ec ho\u1eb7c \u00e1p d\u1ee5ng t\u1ed1t h\u01a1n c\u00e1c gi\u1edbi h\u1ea1n \u0111\u1ecbnh m\u1ee9c c\u1ee7a kh\u1edbp n\u1ed1i.<\/p>\n

B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p ph\u00e2n t\u00edch c\u00f3 h\u1ec7 th\u1ed1ng v\u1ec1 c\u00e1c ki\u1ec3u h\u1ecfng h\u00f3c c\u1ee7a kh\u1edbp n\u1ed1i Oldham, gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a t\u1eebng ki\u1ec3u v\u00e0 \u0111\u01b0a ra h\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n v\u1ec1 ph\u00f2ng ng\u1eeba.<\/p>\n

\n \"\u0110\u0129a
Ki\u1ec3m tra b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a m\u1ed9ng \u0111\u0129a trung t\u00e2m l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n l\u1ed7i kh\u1edbp n\u1ed1i Oldham.<\/figcaption><\/figure>\n

Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c 1: M\u00f2n \u0111\u0129a trung t\u00e2m ng\u00e0y c\u00e0ng t\u0103ng<\/h2>\n

N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o:<\/strong> B\u1ec1 m\u1eb7t m\u1ed9ng tr\u00ean \u0111\u0129a trung t\u00e2m cho th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng hao h\u1ee5t v\u1eadt li\u1ec7u, l\u00e0m tr\u00f2n ho\u1eb7c \u0111\u00e1nh b\u00f3ng. \u0110\u1ed9 r\u01a1 \u2013 ban \u0111\u1ea7u b\u1eb1ng kh\u00f4ng \u2013 t\u0103ng d\u1ea7n \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c. Trong c\u00e1c h\u1ec7 th\u1ed1ng servo, \u0111i\u1ec1u n\u00e0y bi\u1ec3u hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng v\u00f9ng ch\u1ebft ng\u00e0y c\u00e0ng l\u1edbn trong qu\u00e1 tr\u00ecnh \u0111\u1ea3o chi\u1ec1u quay, c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng dao \u0111\u1ed9ng trong c\u00e1c v\u00f2ng \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng tr\u00f4i l\u1ec7ch \u0111\u0103ng k\u00fd trong c\u00e1c \u1ee9ng d\u1ee5ng in \u1ea5n v\u00e0 \u0111\u00f3ng g\u00f3i.<\/p>\n

Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong><\/p>\n

    \n
  • L\u1ec7ch tr\u1ee5c ngang qu\u00e1 m\u1ee9c:<\/strong> Bi\u00ean \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng tr\u01b0\u1ee3t c\u1ee7a \u0111\u0129a t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 l\u1ec7ch tr\u1ee5c. Ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c \u0111\u1ed9 l\u1ec7ch tr\u1ee5c v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a kh\u1edbp n\u1ed1i s\u1ebd l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1eadn t\u1ed1c ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t v\u00e0 do \u0111\u00f3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n.<\/li>\n
  • T\u1ed1c \u0111\u1ed9 quay qu\u00e1 cao:<\/strong> T\u1ed1c \u0111\u1ed9 cao h\u01a1n l\u00e0m t\u0103ng t\u1ea7n s\u1ed1 v\u00e0 v\u1eadn t\u1ed1c chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn c\u1ee7a \u0111\u0129a, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng m\u1ee9c \u0111\u1ed9 m\u00e0i m\u00f2n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1eddi gian ngay c\u1ea3 khi \u0111\u1ed9 l\u1ec7ch n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p.<\/li>\n
  • Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng cao:<\/strong> V\u1eadt li\u1ec7u \u0111\u0129a polymer \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 acetal \u2014 s\u1ebd m\u1ec1m \u0111i khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, \u0111i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 hao m\u00f2n v\u1eadt li\u1ec7u d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/li>\n
  • V\u1eadt li\u1ec7u \u0111\u0129a kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u0129a acetal ti\u00eau chu\u1ea9n trong \u1ee9ng d\u1ee5ng momen xo\u1eafn cao khi\u1ebfn \u00e1p su\u1ea5t ti\u1ebfp x\u00fac tr\u00ean c\u00e1c m\u1eb7t m\u1ed9ng v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 b\u1ec1n n\u00e9n c\u1ee7a v\u1eadt li\u1ec7u, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi b\u1ec1 m\u1eb7t di\u1ec5n ra nhanh h\u01a1n.<\/li>\n<\/ul>\n

    Ph\u00f2ng ng\u1eeba:<\/strong> Ki\u1ec3m tra xem kh\u1edbp n\u1ed1i c\u00f3 ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 l\u1ec7ch cho ph\u00e9p hay kh\u00f4ng \u2014 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u c\u00f4ng b\u1ed1 bi\u1ec3u \u0111\u1ed3 gi\u1ea3m t\u1ea3i cho th\u1ea5y \u0111\u1ed9 l\u1ec7ch cho ph\u00e9p theo t\u1ed1c \u0111\u1ed9. C\u1ea3i thi\u1ec7n \u0111\u1ed9 th\u1eb3ng h\u00e0ng c\u1ee7a tr\u1ee5c khi l\u1eafp \u0111\u1eb7t \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 l\u1ec7ch xu\u1ed1ng gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c, thay v\u00ec ch\u1ec9 ki\u1ec3m tra xem n\u00f3 c\u00f3 n\u1eb1m trong gi\u1edbi h\u1ea1n \u0111\u1ecbnh m\u1ee9c t\u1ed1i \u0111a c\u1ee7a kh\u1edbp n\u1ed1i hay kh\u00f4ng. Ch\u1ecdn v\u1eadt li\u1ec7u \u0111\u0129a ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n (nylon, PEEK ho\u1eb7c kim lo\u1ea1i) n\u1ebfu \u0111i\u1ec1u ki\u1ec7n t\u1ea3i ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t. L\u1eadp k\u1ebf ho\u1ea1ch thay th\u1ebf \u0111\u0129a d\u1ef1a tr\u00ean vi\u1ec7c \u0111o \u0111\u1ed9 r\u01a1 \u0111\u1ecbnh k\u1ef3 thay v\u00ec ch\u1edd \u0111\u1ebfn khi c\u00f3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng r\u00f5 r\u00e0ng.<\/p>\n

    Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c 2: G\u00e3y \u0111\u0129a trung t\u00e2m<\/h2>\n

    N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o:<\/strong> \u0110\u0129a trung t\u00e2m b\u1ecb v\u1ee1 ho\u00e0n to\u00e0n, th\u01b0\u1eddng l\u00e0 xuy\u00ean qua th\u00e2n m\u00e1y ho\u1eb7c \u1edf ch\u00e2n m\u1ed9ng. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ed7i c\u1ea5p t\u00ednh \u2014 th\u01b0\u1eddng t\u1ea1o ra ti\u1ebfng va \u0111\u1eadp l\u1edbn v\u00e0 c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t m\u00f4-men xo\u1eafn truy\u1ec1n \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c. C\u00e1c m\u1ea3nh v\u1ee1 c\u1ee7a \u0111\u0129a c\u00f3 th\u1ec3 v\u0103ng ra b\u00ean trong m\u00e1y, g\u00e2y ra h\u01b0 h\u1ecfng th\u1ee9 c\u1ea5p.<\/p>\n

    Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong><\/p>\n

      \n
    • Qu\u00e1 t\u1ea3i m\u00f4-men xo\u1eafn:<\/strong> Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u00f4-men xo\u1eafn c\u1ef1c \u0111\u1ea1i trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng m\u00e1y, g\u1ee1 k\u1eb9t, d\u1eebng kh\u1ea9n c\u1ea5p ho\u1eb7c thay \u0111\u1ed5i t\u1ea3i \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c m\u00f4-men xo\u1eafn t\u0129nh ho\u1eb7c \u0111\u1ed9ng c\u1ee7a kh\u1edbp n\u1ed1i, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng v\u1ee1 \u0111\u0129a. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra nh\u1ea5t \u1edf nh\u1eefng m\u00e1y kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn (b\u1ed9 gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn ho\u1eb7c ly h\u1ee3p tr\u01b0\u1ee3t) \u1edf ph\u00eda tr\u01b0\u1edbc kh\u1edbp n\u1ed1i.<\/li>\n
    • Sai l\u1ec7ch g\u00f3c \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 m\u1ee9c \u0111\u00e1nh gi\u00e1:<\/strong> Khi c\u00f3 s\u1ef1 l\u1ec7ch g\u00f3c, \u0111\u0129a trung t\u00e2m bu\u1ed9c ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng ph\u1eb3ng, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra \u1ee9ng su\u1ea5t u\u1ed1n ngo\u00e0i c\u00e1c \u1ee9ng su\u1ea5t xo\u1eafn v\u00e0 \u1ee9ng su\u1ea5t ti\u1ebfp x\u00fac th\u00f4ng th\u01b0\u1eddng. \u1ee8ng su\u1ea5t u\u1ed1n nghi\u00eam tr\u1ecdng nh\u1ea5t \u1edf ch\u00e2n m\u1ed9ng \u2013 n\u01a1i t\u1eadp trung \u1ee9ng su\u1ea5t cao nh\u1ea5t trong \u0111\u0129a \u2013 v\u00e0 v\u1ebft n\u1ee9t b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00f3.<\/li>\n
    • M\u1ec7t m\u1ecfi sau th\u1eddi gian s\u1eed d\u1ee5ng k\u00e9o d\u00e0i:<\/strong> M\u1ed9t \u0111\u0129a \u0111\u00e3 s\u1eed d\u1ee5ng trong th\u1eddi gian d\u00e0i c\u00f3 th\u1ec3 b\u1ecb hao m\u00f2n \u0111\u00e1ng k\u1ec3. Ti\u1ebft di\u1ec7n gi\u1ea3m \u1edf ph\u1ea7n ch\u00e2n m\u1ed9ng l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n m\u1ecfi c\u1ee7a \u0111\u0129a, khi\u1ebfn cho kh\u1ea3 n\u0103ng g\u00e3y v\u1ee1 d\u01b0\u1edbi t\u1ea3i tr\u1ecdng cho ph\u00e9p tr\u1edf n\u00ean cao h\u01a1n.<\/li>\n
    • Hi\u1ec7n t\u01b0\u1ee3ng gi\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p:<\/strong> Acetal v\u00e0 nylon tr\u1edf n\u00ean gi\u00f2n h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi kho\u1ea3ng 0\u00b0C. C\u00e1c kh\u1edbp n\u1ed1i trong c\u00e1c kho l\u1ea1nh ho\u1eb7c c\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi \u1edf v\u00f9ng kh\u00ed h\u1eadu l\u1ea1nh c\u00f3 th\u1ec3 b\u1ecb g\u00e3y \u0111\u0129a, \u0111i\u1ec1u n\u00e0y s\u1ebd kh\u00f4ng x\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n

      Ph\u00f2ng ng\u1eeba:<\/strong> Ch\u1ecdn k\u00edch th\u01b0\u1edbc kh\u1edbp n\u1ed1i v\u1edbi h\u1ec7 s\u1ed1 an to\u00e0n l\u1edbn \u2014 h\u1ec7 s\u1ed1 t\u1eeb 2,0 \u0111\u1ebfn 3,0 tr\u00ean m\u00f4-men xo\u1eafn \u0111\u1ed9ng c\u1ef1c \u0111\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 qu\u00e1 m\u1ee9c trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i va \u0111\u1eadp \u0111\u00e1ng k\u1ec3. L\u1eafp \u0111\u1eb7t m\u1ed9t b\u1ed9 ph\u1eadn gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn n\u1ed1i ti\u1ebfp v\u1edbi kh\u1edbp n\u1ed1i trong b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o c\u00f3 th\u1ec3 x\u1ea3y ra k\u1eb9t m\u00e1y ho\u1eb7c qu\u00e1 t\u1ea3i. Hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 l\u1ec7ch g\u00f3c khi l\u1eafp \u0111\u1eb7t; n\u1ebfu thi\u1ebft k\u1ebf m\u00e1y ch\u1eafc ch\u1eafn t\u1ea1o ra \u0111\u1ed9 l\u1ec7ch g\u00f3c, h\u00e3y xem x\u00e9t lo\u1ea1i kh\u1edbp n\u1ed1i kh\u00e1c. S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u0111\u0129a ch\u1ecbu nhi\u1ec7t n\u1ebfu d\u1ef1 ki\u1ebfn \u200b\u200bho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh.<\/p>\n

      \n \"Ki\u1ec3m
      Dung sai gia c\u00f4ng ch\u00ednh x\u00e1c tr\u00ean c\u00e1c r\u00e3nh tr\u1ee5c v\u00e0 m\u1ed9ng \u0111\u0129a l\u00e0 n\u1ec1n t\u1ea3ng cho hi\u1ec7u su\u1ea5t kh\u00f4ng c\u00f3 \u0111\u1ed9 r\u01a1 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi l\u00e2u d\u00e0i.<\/figcaption><\/figure>\n

      L\u1ed7i ki\u1ec3u 3: Tr\u1ee5c moay \u01a1 b\u1ecb tr\u01b0\u1ee3t tr\u00ean tr\u1ee5c quay<\/h2>\n

      N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o:<\/strong> M\u1ed9t ho\u1eb7c c\u1ea3 hai moay\u01a1 quay t\u01b0\u01a1ng \u0111\u1ed1i so v\u1edbi tr\u1ee5c c\u1ee7a ch\u00fang, l\u00e0m m\u1ea5t \u0111i m\u1ed1i quan h\u1ec7 g\u00f3c c\u1ed1 \u0111\u1ecbnh. Trong c\u00e1c moay\u01a1 d\u00f9ng v\u00edt \u0111\u1ecbnh v\u1ecb, tr\u1ee5c s\u1ebd xu\u1ea5t hi\u1ec7n m\u1ed9t m\u1eb7t ph\u1eb3ng ho\u1eb7c r\u00e3nh n\u01a1i v\u00edt b\u1ecb m\u00f2n. Trong c\u00e1c moay\u01a1 d\u00f9ng k\u1eb9p, tr\u1ee5c c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n m\u1ed9t d\u1ea3i b\u00f3ng \u1edf v\u00f9ng k\u1eb9p. Tri\u1ec7u ch\u1ee9ng trong h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng l\u00e0 s\u1ef1 thay \u0111\u1ed5i d\u1ea7n d\u1ea7n ho\u1eb7c \u0111\u1ed9t ng\u1ed9t trong m\u1ed1i quan h\u1ec7 v\u1ecb tr\u00ed gi\u1eefa \u0111\u1ed9ng c\u01a1 v\u00e0 t\u1ea3i \u2013 m\u00e1y t\u1ef1 \u0111\u1ed9ng di chuy\u1ec3n \u0111\u1ebfn m\u1ed9t v\u1ecb tr\u00ed kh\u00e1c nhau trong m\u1ed7i chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng, ho\u1eb7c h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng cho th\u1ea5y \u0111\u1ed9 r\u01a1 r\u00f5 r\u00e0ng ch\u1ec9 theo m\u1ed9t h\u01b0\u1edbng.<\/p>\n

      Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong><\/p>\n

        \n
      • L\u1ef1c si\u1ebft \u1ed1c v\u00edt kh\u00f4ng \u0111\u1ee7:<\/strong> C\u00e1c v\u00edt \u0111\u1ecbnh v\u1ecb ho\u1eb7c bu l\u00f4ng k\u1eb9p \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t d\u01b0\u1edbi gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn quy \u0111\u1ecbnh s\u1ebd kh\u00f4ng cung c\u1ea5p \u0111\u1ee7 l\u1ef1c k\u1eb9p \u0111\u1ec3 ch\u1ed1ng l\u1ea1i m\u00f4-men xo\u1eafn tr\u1ee5c trong \u0111i\u1ec1u ki\u1ec7n t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i.<\/li>\n
      • \u00d4 nhi\u1ec5m b\u1ec1 m\u1eb7t tr\u1ee5c:<\/strong> D\u1ea7u, m\u1ee1 ho\u1eb7c ch\u1ea5t l\u00e0m m\u00e1t gia c\u00f4ng tr\u00ean b\u1ec1 m\u1eb7t tr\u1ee5c t\u1ea1i v\u00f9ng l\u1ed7 moay\u01a1 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 h\u1ec7 s\u1ed1 ma s\u00e1t hi\u1ec7u d\u1ee5ng, cho ph\u00e9p moay\u01a1 tr\u01b0\u1ee3t \u1edf m\u1ee9c m\u00f4-men xo\u1eafn th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi kh\u1ea3 n\u0103ng k\u1eb9p l\u00fd thuy\u1ebft.<\/li>\n
      • L\u1eafp r\u00e1p l\u1ed7 khoan kh\u00f4ng ch\u00ednh x\u00e1c:<\/strong> L\u1ed7 moay\u01a1 qu\u00e1 l\u1edbn so v\u1edbi tr\u1ee5c \u2014 do sai l\u1ec7ch dung sai trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ho\u1eb7c do h\u01b0 h\u1ecfng l\u1ed7 moay\u01a1 \u2014 s\u1ebd l\u00e0m gi\u1ea3m di\u1ec7n t\u00edch ti\u1ebfp x\u00fac \u0111\u1ec3 k\u1eb9p v\u00e0 l\u00e0m gi\u1ea3m m\u00f4-men xo\u1eafn tr\u01b0\u1ee3t.<\/li>\n
      • Hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ea3o chi\u1ec1u momen xo\u1eafn l\u1eb7p \u0111i l\u1eb7p l\u1ea1i g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t vi m\u00f4:<\/strong> Trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 s\u1ef1 \u0111\u1ea3o chi\u1ec1u m\u00f4-men xo\u1eafn th\u01b0\u1eddng xuy\u00ean v\u00e0 v\u1edbi bi\u00ean \u0111\u1ed9 l\u1edbn, hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t vi m\u00f4 c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf m\u1ed7i l\u1ea7n \u0111\u1ea3o chi\u1ec1u ngay c\u1ea3 khi tr\u1ee5c b\u00e1nh xe d\u01b0\u1eddng nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch. Sau h\u00e0ng ngh\u00ecn chu k\u1ef3, hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t vi m\u00f4 n\u00e0y t\u00edch l\u0169y th\u00e0nh s\u1ef1 quay tr\u1ee5c b\u00e1nh xe \u1edf m\u1ee9c \u0111\u1ed9 v\u0129 m\u00f4.<\/li>\n<\/ul>\n

        Ph\u00f2ng ng\u1eeba:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng c\u00f3 \u0111\u1ed9 r\u01a1, h\u00e3y s\u1eed d\u1ee5ng tr\u1ee5c ki\u1ec3u k\u1eb9p<\/strong> N\u00ean s\u1eed d\u1ee5ng moay \u01a1 ki\u1ec3u l\u1ed7 t\u00e1ch r\u1eddi (split-bore) thay v\u00ec moay \u01a1 ki\u1ec3u v\u00edt \u0111\u1ecbnh v\u1ecb b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3. Moay \u01a1 ki\u1ec3u k\u1eb9p cung c\u1ea5p \u0111\u1ed9 b\u00e1m \u0111\u1ec1u 360 \u0111\u1ed9 tr\u00ean tr\u1ee5c thay v\u00ec ti\u1ebfp x\u00fac \u0111i\u1ec3m, mang l\u1ea1i m\u00f4-men xo\u1eafn tr\u01b0\u1ee3t cao h\u01a1n \u0111\u00e1ng k\u1ec3 v\u1edbi c\u00f9ng k\u00edch th\u01b0\u1edbc moay \u01a1. L\u00e0m s\u1ea1ch tr\u1ee5c k\u1ef9 l\u01b0\u1ee1ng b\u1eb1ng dung m\u00f4i tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t moay \u01a1; b\u00f4i m\u1ed9t l\u1edbp m\u1ecfng h\u1ee3p ch\u1ea5t gi\u1eef tr\u1ee5c n\u1ebfu \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ea3o chi\u1ec1u m\u00f4-men xo\u1eafn th\u01b0\u1eddng xuy\u00ean. Ki\u1ec3m tra m\u00f4-men xo\u1eafn c\u1ee7a \u1ed1c v\u00edt b\u1eb1ng d\u1ee5ng c\u1ee5 \u0111o m\u00f4-men xo\u1eafn \u0111\u00e3 hi\u1ec7u chu\u1ea9n \u2014 kh\u00f4ng \u01b0\u1edbc l\u01b0\u1ee3ng b\u1eb1ng c\u1ea3m gi\u00e1c. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ea3o chi\u1ec1u cao, moay \u01a1 c\u00f3 r\u00e3nh then cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111\u1ecbnh v\u1ecb g\u00f3c ch\u00ednh x\u00e1c, kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t.<\/p>\n

        Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c 4: H\u01b0 h\u1ecfng l\u1ed7 tr\u1ee5c b\u00e1nh xe<\/h2>\n

        N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o:<\/strong> L\u1ed7 moay \u01a1 b\u1ecb \u0103n m\u00f2n do ma s\u00e1t (l\u1edbp oxit m\u00e0u n\u00e2u \u0111\u1ecf), x\u01b0\u1edbc ho\u1eb7c m\u00e0i m\u00f2n tr\u00ean b\u1ec1 m\u1eb7t b\u00ean trong. Moay \u01a1 c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 th\u00e1o kh\u1ecfi tr\u1ee5c, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i, c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n khe h\u1edf qu\u00e1 l\u1edbn khi\u1ebfn vi\u1ec7c l\u1eafp \u0111\u1eb7t l\u1ea1i ch\u00ednh x\u00e1c tr\u1edf n\u00ean b\u1ea5t kh\u1ea3 thi.<\/p>\n

        Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng m\u00e0i m\u00f2n do ma s\u00e1t x\u1ea3y ra khi hai b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ed1 \u0111\u1ecbnh tr\u00ean l\u00fd thuy\u1ebft tr\u1ea3i qua chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i \u1edf quy m\u00f4 vi m\u00f4 \u2014 ch\u00ednh x\u00e1c l\u00e0 nh\u1eefng g\u00ec x\u1ea3y ra trong l\u1ed7 tr\u1ee5c b\u00e1nh xe d\u01b0\u1edbi t\u1ea3i tr\u1ecdng m\u00f4-men xo\u1eafn dao \u0111\u1ed9ng. Chuy\u1ec3n \u0111\u1ed9ng vi m\u00f4 n\u00e0y l\u00e0m m\u00e0i m\u00f2n l\u1edbp oxit tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac; c\u00e1c m\u1ea3nh v\u1ee5n oxit sau \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t m\u00e0i m\u00f2n, \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh h\u01b0 h\u1ecfng h\u01a1n n\u1eefa. Tr\u1ee5c b\u00e1nh xe b\u1eb1ng nh\u00f4m \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng v\u00ec oxit nh\u00f4m c\u1ee9ng h\u01a1n kim lo\u1ea1i n\u1ec1n.<\/p>\n

        Ph\u00f2ng ng\u1eeba:<\/strong> B\u00f4i m\u1ed9t l\u1edbp m\u1ecfng h\u1ee3p ch\u1ea5t ch\u1ed1ng m\u00e0i m\u00f2n ho\u1eb7c molypden disulfua kh\u00f4 l\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa tr\u1ee5c v\u00e0 l\u1ed7 khoan khi l\u1eafp \u0111\u1eb7t. \u0110\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p th\u00e1o l\u1eafp tr\u1ee5c th\u01b0\u1eddng xuy\u00ean, n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng moay\u01a1 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 thay v\u00ec nh\u00f4m. \u0110\u1ea3m b\u1ea3o khe h\u1edf gi\u1eefa l\u1ed7 khoan v\u00e0 tr\u1ee5c n\u1eb1m trong ph\u1ea1m vi dung sai khuy\u1ebfn c\u00e1o c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u2014 khe h\u1edf qu\u00e1 l\u1edbn s\u1ebd l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam hi\u1ec7n t\u01b0\u1ee3ng m\u00e0i m\u00f2n do l\u00e0m t\u0103ng bi\u00ean \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng vi m\u00f4.<\/p>\n

        L\u1ed7i ki\u1ec3u 5: M\u00f2n ho\u1eb7c bi\u1ebfn d\u1ea1ng r\u00e3nh tr\u1ee5c<\/h2>\n

        N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o:<\/strong> C\u00e1c r\u00e3nh h\u00ecnh ch\u1eef nh\u1eadt tr\u00ean b\u1ec1 m\u1eb7t tr\u1ee5c trung t\u00e2m cho th\u1ea5y d\u1ea5u hi\u1ec7u m\u00f2n r\u00f5 r\u1ec7t, bo tr\u00f2n c\u00e1c c\u1ea1nh ho\u1eb7c bi\u1ebfn d\u1ea1ng d\u1ebbo. \u0110\u1ed9 r\u01a1 t\u0103ng l\u00ean theo c\u00e1ch m\u00e0 vi\u1ec7c ch\u1ec9 thay th\u1ebf \u0111\u0129a trung t\u00e2m kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c \u2014 vi\u1ec7c thay th\u1ebf \u0111\u0129a ch\u1ec9 mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n t\u1ea1m th\u1eddi tr\u01b0\u1edbc khi \u0111\u1ed9 r\u01a1 nhanh ch\u00f3ng quay tr\u1edf l\u1ea1i.<\/p>\n

        Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng m\u00f2n r\u00e3nh tr\u00ean moay\u01a1 l\u00e0 hi\u1ebfm g\u1eb7p \u1edf c\u00e1c kh\u1edbp n\u1ed1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang ti\u00eau chu\u1ea9n v\u00ec \u0111\u0129a polymer \u0111\u01b0\u1ee3c l\u00e0m m\u1ec1m h\u01a1n so v\u1edbi moay\u01a1 nh\u00f4m, do \u0111\u00f3 \u0111\u0129a b\u1ecb m\u00f2n tr\u01b0\u1edbc. H\u01b0 h\u1ecfng r\u00e3nh tr\u00ean moay\u01a1 th\u01b0\u1eddng cho th\u1ea5y m\u1ed9t trong nh\u1eefng \u0111i\u1ec1u sau: v\u1eadt li\u1ec7u \u0111\u0129a qu\u00e1 c\u1ee9ng so v\u1edbi v\u1eadt li\u1ec7u moay\u01a1 (\u0111\u0129a kim lo\u1ea1i c\u1ecd x\u00e1t v\u1edbi moay\u01a1 nh\u00f4m m\u00e0 kh\u00f4ng c\u00f3 ch\u1ea5t b\u00f4i tr\u01a1n); kh\u1edbp n\u1ed1i b\u1ecb qu\u00e1 t\u1ea3i nghi\u00eam tr\u1ecdng, g\u00e2y ra t\u1ea3i tr\u1ecdng va \u0111\u1eadp l\u00ean th\u00e0nh r\u00e3nh; ho\u1eb7c kh\u1edbp n\u1ed1i ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i sau khi \u0111\u0129a \u0111\u00e3 b\u1ecb m\u00f2n h\u1ebft, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ti\u1ebfp x\u00fac kim lo\u1ea1i v\u1edbi kim lo\u1ea1i gi\u1eefa c\u00e1c r\u00e3nh tr\u00ean moay\u01a1.<\/p>\n

        Ph\u00f2ng ng\u1eeba:<\/strong> L\u1eadp k\u1ebf ho\u1ea1ch ki\u1ec3m tra v\u00e0 thay th\u1ebf \u0111\u0129a kh\u1edbp n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c r\u00e3nh tr\u00ean tr\u1ee5c kh\u00f4ng bao gi\u1edd ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi kim lo\u1ea1i. N\u1ebfu \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u0129a kh\u1edbp n\u1ed1i b\u1eb1ng kim lo\u1ea1i v\u00ec l\u00fd do kh\u1ea3 n\u0103ng ch\u1ecbu momen xo\u1eafn, h\u00e3y ch\u1ec9 \u0111\u1ecbnh c\u00e1c tr\u1ee5c c\u00f3 r\u00e3nh b\u1eb1ng th\u00e9p t\u00f4i c\u1ee9ng ho\u1eb7c \u0111\u1ea3m b\u1ea3o b\u00f4i tr\u01a1n \u0111\u1ea7y \u0111\u1ee7 t\u1ea5t c\u1ea3 c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac tr\u01b0\u1ee3t. Tr\u00e1nh qu\u00e1 t\u1ea3i kh\u1edbp n\u1ed1i th\u00f4ng qua thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p v\u00e0 gi\u1edbi h\u1ea1n momen xo\u1eafn.<\/p>\n

        \n \"Tr\u1ee5c
        C\u00e1c lo\u1ea1i moay \u01a1 ki\u1ec3u k\u1eb9p cung c\u1ea5p \u0111\u1ed9 b\u00e1m \u0111\u1ed3ng \u0111\u1ec1u 360 \u0111\u1ed9 tr\u00ean tr\u1ee5c, gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 tr\u01b0\u1ee3t moay \u01a1 so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf ki\u1ec3u v\u00edt \u0111\u1ecbnh v\u1ecb.<\/figcaption><\/figure>\n

        Danh s\u00e1ch ki\u1ec3m tra ch\u1ea9n \u0111o\u00e1n: Nh\u1eefng g\u00ec c\u1ea7n ki\u1ec3m tra<\/h2>\n

        Khi \u0111i\u1ec1u tra s\u1ef1 c\u1ed1 h\u1ecfng kh\u1edbp n\u1ed1i Oldham ho\u1eb7c l\u1eadp k\u1ebf ho\u1ea1ch ki\u1ec3m tra b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3, h\u00e3y th\u1ef1c hi\u1ec7n theo danh s\u00e1ch ki\u1ec3m tra n\u00e0y m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng:<\/p>\n

        \u0110o \u0111\u1ed9 r\u01a1:<\/strong> K\u1eb9p \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u1ed9 l\u1ec7ch v\u00e0o moay\u01a1 d\u1eabn \u0111\u1ed9ng v\u00e0 xoay tr\u1ee5c d\u1eabn \u0111\u1ed9ng qua l\u1ea1i b\u1eb1ng tay. Ghi l\u1ea1i \u0111\u1ed9 r\u01a1 g\u00f3c. \u0110\u1ed9 r\u01a1 b\u1eb1ng kh\u00f4ng ho\u1eb7c g\u1ea7n b\u1eb1ng kh\u00f4ng cho th\u1ea5y kh\u1edbp n\u1ed1i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t; \u0111\u1ed9 r\u01a1 l\u1edbn h\u01a1n gi\u1edbi h\u1ea1n m\u00e0i m\u00f2n c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cho th\u1ea5y c\u1ea7n ph\u1ea3i thay th\u1ebf \u0111\u0129a kh\u1edbp n\u1ed1i.<\/p>\n

        Ki\u1ec3m tra \u0111\u0129a trung t\u00e2m:<\/strong> Th\u00e1o \u0111\u0129a ra v\u00e0 ki\u1ec3m tra c\u1ea3 b\u1ed1n m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a m\u1ed9ng. T\u00ecm ki\u1ebfm hi\u1ec7n t\u01b0\u1ee3ng m\u00f2n v\u1eadt li\u1ec7u, n\u1ee9t b\u1ec1 m\u1eb7t, c\u00e1c v\u1ec7t m\u1ecfi m\u00e0u tr\u1eafng ho\u1eb7c bi\u1ebfn d\u1ea1ng c\u1ee7a bi\u00ean d\u1ea1ng m\u1ed9ng. \u0110\u0129a b\u1ecb m\u00f2n c\u1ea7n \u0111\u01b0\u1ee3c \u0111o so v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ban \u0111\u1ea7u \u2014 n\u1ebfu chi\u1ec1u r\u1ed9ng m\u1ed9ng gi\u1ea3m h\u01a1n 5%, n\u00ean thay th\u1ebf.<\/p>\n

        Ki\u1ec3m tra khe c\u1eafm tr\u1ee5c:<\/strong> Ki\u1ec3m tra th\u00e0nh r\u00e3nh c\u1ee7a c\u1ea3 hai tr\u1ee5c d\u01b0\u1edbi \u00e1nh s\u00e1ng t\u1ed1t. Th\u00e0nh r\u00e3nh ph\u1ea3i ph\u1eb3ng v\u00e0 vu\u00f4ng v\u1ee9c v\u1edbi c\u00e1c c\u1ea1nh s\u1eafc n\u00e9t, s\u1ea1ch s\u1ebd. B\u1ea5t k\u1ef3 s\u1ef1 bo tr\u00f2n, x\u01b0\u1edbc ho\u1eb7c m\u1ea3nh v\u1ee5n n\u00e0o b\u00e1m v\u00e0o th\u00e0nh r\u00e3nh \u0111\u1ec1u cho th\u1ea5y tr\u1ee5c b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n

        Ki\u1ec3m tra b\u1ea3o m\u1eadt trung t\u00e2m:<\/strong> H\u00e3y th\u1eed xoay t\u1eebng moay\u01a1 so v\u1edbi tr\u1ee5c c\u1ee7a n\u00f3 b\u1eb1ng tay v\u1edbi l\u1ef1c v\u1eeba ph\u1ea3i. B\u1ea5t k\u1ef3 s\u1ef1 quay n\u00e0o c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y \u0111\u1ec1u cho th\u1ea5y moay\u01a1 b\u1ecb tr\u01b0\u1ee3t \u2014 h\u00e3y ki\u1ec3m tra m\u00f4-men xo\u1eafn c\u1ee7a \u1ed1c v\u00edt v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t tr\u1ee5c.<\/p>\n

        \u0110o l\u01b0\u1eddng \u0111\u1ed9 l\u1ec7ch:<\/strong> Sau khi th\u00e1o kh\u1edbp n\u1ed1i, \u0111o \u0111\u1ed9 l\u1ec7ch ngang gi\u1eefa hai \u0111\u01b0\u1eddng t\u00e2m tr\u1ee5c b\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u1ed9 l\u1ec7ch v\u00e0 th\u01b0\u1edbc th\u1eb3ng ch\u00ednh x\u00e1c. So s\u00e1nh v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ec7ch \u0111\u1ecbnh m\u1ee9c c\u1ee7a kh\u1edbp n\u1ed1i. N\u1ebfu \u0111\u1ed9 l\u1ec7ch th\u1ef1c t\u1ebf l\u1edbn h\u01a1n 50% kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ec7ch t\u1ed1i \u0111a c\u1ee7a kh\u1edbp n\u1ed1i, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i \u0111\u1ed9 th\u1eb3ng h\u00e0ng tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t l\u1ea1i.<\/p>\n

        X\u00e2y d\u1ef1ng ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba<\/h2>\n

        \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng quan tr\u1ecdng, ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba c\u00f3 c\u1ea5u tr\u00fac d\u00e0nh cho kh\u1edbp n\u1ed1i Oldham c\u1ea7n bao g\u1ed3m b\u1ed1n y\u1ebfu t\u1ed1:<\/p>\n

        H\u1ed3 s\u01a1 ban \u0111\u1ea7u:<\/strong> Khi l\u1eafp \u0111\u1eb7t, h\u00e3y ghi l\u1ea1i \u0111\u1ed9 l\u1ec7ch ngang \u0111o \u0111\u01b0\u1ee3c, m\u00f4-men xo\u1eafn c\u1ee7a \u1ed1c v\u00edt moay \u1ed1c v\u00e0 m\u00e3 s\u1ed1 b\u1ed9 ph\u1eadn \u0111\u0129a. Ch\u1ee5p \u1ea3nh kh\u1edbp n\u1ed1i \u0111\u00e3 l\u1eafp \u0111\u1eb7t. D\u1eef li\u1ec7u c\u01a1 s\u1edf n\u00e0y gi\u00fap cho vi\u1ec7c so s\u00e1nh trong t\u01b0\u01a1ng lai tr\u1edf n\u00ean c\u00f3 \u00fd ngh\u0129a.<\/p>\n

        Xu h\u01b0\u1edbng ph\u1ea3n \u1ee9ng d\u1eef d\u1ed9i \u0111\u1ecbnh k\u1ef3 \u0111ang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn:<\/strong> \u0110o v\u00e0 ghi l\u1ea1i \u0111\u1ed9 r\u01a1 \u0111\u0129a \u0111\u1ecbnh k\u1ef3 \u2014 h\u00e0ng qu\u00fd \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng chu k\u1ef3 cao, h\u00e0ng n\u0103m \u0111\u1ed1i v\u1edbi c\u00e1c \u1ed5 \u0111\u0129a t\u1ed1c \u0111\u1ed9 ch\u1eadm. V\u1ebd bi\u1ec3u \u0111\u1ed3 xu h\u01b0\u1edbng. Khi xu h\u01b0\u1edbng cho th\u1ea5y \u0111\u1ed9 r\u01a1 \u0111\u0129a t\u0103ng nhanh, h\u00e3y l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf \u0111\u0129a tr\u01b0\u1edbc k\u1ef3 \u0111o ti\u1ebfp theo.<\/p>\n

        Danh s\u00e1ch \u0111\u0129a d\u1ef1 ph\u00f2ng:<\/strong> H\u00e3y lu\u00f4n d\u1ef1 tr\u1eef \u00edt nh\u1ea5t hai \u0111\u0129a thay th\u1ebf cho m\u1ed7i lo\u1ea1i kh\u1edbp n\u1ed1i \u0111ang s\u1eed d\u1ee5ng. Vi\u1ec7c thay th\u1ebf \u0111\u0129a l\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u1ea3o tr\u00ec theo k\u1ebf ho\u1ea1ch; n\u00f3 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c g\u00e2y ra th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i k\u1ebf ho\u1ea1ch ch\u1ec9 v\u00ec kh\u00f4ng c\u00f3 s\u1eb5n ph\u1ee5 t\u00f9ng thay th\u1ebf.<\/p>\n

        Ghi l\u1ea1i ch\u1ebf \u0111\u1ed9 l\u1ed7i:<\/strong> Khi thay th\u1ebf \u0111\u0129a kh\u1edbp n\u1ed1i, h\u00e3y ghi l\u1ea1i xem n\u00f3 c\u00f3 b\u1ecb m\u00f2n, n\u1ee9t ho\u1eb7c h\u01b0 h\u1ecfng h\u00f3a h\u1ecdc hay kh\u00f4ng, v\u00e0 s\u1ed1 gi\u1edd ho\u1ea1t \u0111\u1ed9ng k\u1ec3 t\u1eeb l\u1ea7n thay th\u1ebf tr\u01b0\u1edbc. Theo th\u1eddi gian, d\u1eef li\u1ec7u n\u00e0y s\u1ebd cho th\u1ea5y li\u1ec7u kh\u1edbp n\u1ed1i c\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang cho \u1ee9ng d\u1ee5ng hay kh\u00f4ng, ho\u1eb7c li\u1ec7u c\u00f3 c\u1ea7n k\u00edch th\u01b0\u1edbc ho\u1eb7c v\u1eadt li\u1ec7u kh\u00e1c hay kh\u00f4ng.<\/p>\n

        Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n

        C\u00e1c s\u1ef1 c\u1ed1 h\u1ecfng h\u00f3c kh\u1edbp n\u1ed1i Oldham hi\u1ebfm khi x\u1ea3y ra \u0111\u1ed9t ng\u1ed9t ho\u1eb7c kh\u00f3 hi\u1ec3u. Ch\u00fang th\u01b0\u1eddng tu\u00e2n theo c\u00e1c m\u00f4 h\u00ecnh d\u1ec5 nh\u1eadn bi\u1ebft \u2014 m\u00e0i m\u00f2n \u0111\u0129a d\u1ea7n d\u1ea7n, g\u00e3y do qu\u00e1 t\u1ea3i, tr\u01b0\u1ee3t tr\u1ee5c v\u00e0 h\u01b0 h\u1ecfng r\u00e3nh tr\u1ee5c \u2014 v\u00e0 m\u1ed7i m\u00f4 h\u00ecnh \u0111\u1ec1u c\u00f3 nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 r\u00f5 r\u00e0ng. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c n\u00e0y, thi\u1ebft k\u1ebf vi\u1ec7c l\u1eafp \u0111\u1eb7t kh\u1edbp n\u1ed1i \u0111\u1ec3 tr\u00e1nh c\u00e1c t\u00e1c nh\u00e2n g\u00e2y ra ch\u00fang v\u00e0 th\u1ef1c hi\u1ec7n m\u1ed9t l\u1ecbch tr\u00ecnh ki\u1ec3m tra v\u00e0 thay th\u1ebf \u0111\u01a1n gi\u1ea3n, h\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 h\u1ecfng h\u00f3c kh\u1edbp n\u1ed1i Oldham c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u1ef1 \u0111o\u00e1n v\u00e0 ng\u0103n ng\u1eeba tr\u01b0\u1edbc khi ch\u00fang g\u00e2y ra th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t kh\u1edbp n\u1ed1i ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u00f3 \u0111\u1ed9 r\u01a1 trong nhi\u1ec1u n\u0103m ch\u1ec9 v\u1edbi vi\u1ec7c thay th\u1ebf \u0111\u0129a \u0111\u1ecbnh k\u1ef3 nh\u01b0 m\u1ed9t y\u00eau c\u1ea7u b\u1ea3o tr\u00ec.<\/p>\n

        \u0110\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng ho\u1eb7c t\u00ecm ngu\u1ed3n cung c\u1ea5p \u0111\u0129a thay th\u1ebf v\u00e0 kh\u1edbp n\u1ed1i ho\u00e0n ch\u1ec9nh, vui l\u00f2ng truy c\u1eadp trang web c\u1ee7a ch\u00fang t\u00f4i. ph\u1ea1m vi s\u1ea3n ph\u1ea9m<\/a> ho\u1eb7c Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

        Oldham couplings are among the most reliable components in a precision drive system. With no elastomeric elements to age, no springs to fatigue, and no lubrication passages to become blocked, they can operate for years without requiring attention. However, they are not failure-proof. When an Oldham coupling does fail, the failure mode usually falls into […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[722],"tags":[757,752,756,753,754,759,758,751,755],"class_list":["post-838","post","type-post","status-publish","format-standard","hentry","category-blog","tag-centre-disc-fracture","tag-coupling-disc-wear","tag-coupling-failure-prevention","tag-coupling-hub-slippage","tag-coupling-overload-failure","tag-coupling-service-life","tag-hub-slot-wear","tag-oldham-coupling-failure","tag-oldham-coupling-maintenance"],"_links":{"self":[{"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/posts\/838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/comments?post=838"}],"version-history":[{"count":1,"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/posts\/838\/revisions"}],"predecessor-version":[{"id":856,"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/posts\/838\/revisions\/856"}],"wp:attachment":[{"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/media?parent=838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/categories?post=838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oldhamcoupling.net\/vi\/wp-json\/wp\/v2\/tags?post=838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}