{"id":3670,"date":"2026-05-07T12:21:37","date_gmt":"2026-05-07T12:21:37","guid":{"rendered":"https:\/\/productionscrews.com\/shear-bolt\/"},"modified":"2026-05-07T12:25:44","modified_gmt":"2026-05-07T12:25:44","slug":"shear-bolt","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/shear-bolt\/","title":{"rendered":"\u1ed0c v\u00edt c\u1eaft l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i, c\u1ea5p \u0111\u1ed9, k\u00edch c\u1ee1 & H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn"},"content":{"rendered":"

B\u1ed9 n\u1ed1i c\u1eaft l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1c v\u00edt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf y\u1ebfu \u0111i r\u00f5 r\u00e0ng \u0111\u1ec3 g\u00e3y d\u01b0\u1edbi t\u1ea3i tr\u1ecdng qu\u00e1 m\u1ee9c, nh\u1eb1m b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c \u0111\u1eaft ti\u1ec1n kh\u1ecfi b\u1ecb h\u01b0 h\u1ecfng.<\/strong><\/p>\n

B\u1ea1n \u0111ang v\u1eadn h\u00e0nh m\u00e1y x\u00fac tuy\u1ebft qua m\u1ed9t \u0111\u1ed1ng tuy\u1ebft d\u00e0y th\u00ec \u0111\u1ed9t nhi\u00ean \u2014 th\u1ee5t. M\u00e1y b\u1ecb k\u1eb9t. B\u1ea1n \u0111\u00e3 va ph\u1ea3i m\u1ed9t nh\u00e1nh c\u00e2y ch\u00f4n d\u01b0\u1edbi tuy\u1ebft ho\u1eb7c m\u1ed9t kh\u1ed1i \u0111\u00e1 b\u1eb1ng n\u1eafm tay. N\u1ebfu l\u1ef1c t\u00e1c \u0111\u1ed9ng \u0111\u00f3 \u0111\u00e3 truy\u1ec1n \u0111\u1ebfn tr\u1ee5c c\u00e1nh qu\u1ea1t, h\u1ed9p s\u1ed1 ho\u1eb7c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u00e0o tuy\u1ebft, b\u1ea1n s\u1ebd ph\u1ea3i s\u1eeda ch\u1eefa b\u1ed9 ph\u1eadn $400\u2013$800. Thay v\u00e0o \u0111\u00f3, b\u1ea1n ch\u1ec9 m\u1ea5t 90 gi\u00e2y \u0111\u1ec3 thay th\u1ebf m\u1ed9t b\u1ed9 n\u1ed1i c\u1eaft $0.35 v\u00e0 ti\u1ebfp t\u1ee5c c\u00f4ng vi\u1ec7c.<\/p>\n

\u0110\u00f3 l\u00e0 m\u1ed9t b\u1ed9 n\u1ed1i c\u1eaft<\/strong> ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c nh\u01b0 thi\u1ebft k\u1ebf c\u1ee7a n\u00f3.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n: c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 n\u1ed1i c\u1eaft, c\u00e1c m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb (v\u00e0 nh\u1eefng m\u1ee9c \u0111\u1ed9 s\u1ebd g\u00e2y h\u01b0 h\u1ecfng), b\u1ea3ng k\u00edch th\u01b0\u1edbc v\u1edbi th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn, l\u1eddi khuy\u00ean l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u1ee9ng d\u1ee5ng, v\u00e0 k\u1ef9 thu\u1eadt th\u00e1o l\u1eafp. \u0110\u1ebfn cu\u1ed1i h\u01b0\u1edbng d\u1eabn, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u00fang b\u1ed9 n\u1ed1i c\u1eaft cho b\u1ea5t k\u1ef3 m\u00e1y m\u00f3c n\u00e0o trong x\u01b0\u1edfng c\u1ee7a b\u1ea1n.<\/p>\n

!b\u1ed9 n\u1ed1i c\u1eaft \u2014 h\u00ecnh minh h\u1ecda anh h\u00f9ng th\u1ec3 hi\u1ec7n c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ed9 n\u1ed1i c\u1eaft v\u00e0 s\u01a1 \u0111\u1ed3 c\u1eaft ngang<\/a><\/figure>\n
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B\u1ed9 N\u1ed1i C\u1eaft L\u00e0 G\u00ec v\u00e0 N\u00f3 Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o?<\/h2>\n

B\u1ed9 n\u1ed1i c\u1eaft l\u00e0 m\u1ed9t \u1ed1c v\u00edt hy sinh<\/strong> \u2014 m\u1ed9t lo\u1ea1i \u1ed1c v\u00edt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 g\u00e3y t\u1ea1i m\u1ed9t t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c, ki\u1ec3m so\u00e1t \u0111\u1ec3 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1eaft ti\u1ec1n xung quanh v\u1eabn s\u1ed1ng s\u00f3t. Khi m\u00f4-men xo\u1eafn ho\u1eb7c l\u1ef1c ngang v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu c\u1eaft c\u1ee7a \u1ed1c v\u00edt, n\u00f3 s\u1ebd g\u00e3y s\u1ea1ch, ng\u1eaft chu\u1ed7i truy\u1ec1n \u0111\u1ed9ng tr\u01b0\u1edbc khi g\u00e2y ra thi\u1ec7t h\u1ea1i lan r\u1ed9ng.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng r\u1ea5t \u0111\u01a1n gi\u1ea3n. Trong h\u1ec7 th\u1ed1ng c\u00e0o tuy\u1ebft, v\u00ed d\u1ee5, b\u1ed9 n\u1ed1i c\u1eaft \u0111i qua tr\u1ee5c c\u00e0o v\u00e0 v\u1ecf b\u1ecdc c\u00e1nh qu\u1ea1t. Trong ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, \u1ed1c gi\u1eef cho b\u1ed9 ph\u1eadn c\u1ee9ng ch\u1eafc v\u00e0 truy\u1ec1n l\u1ef1c quay. Khi m\u1ed9t vi\u00ean \u0111\u00e1 ho\u1eb7c kh\u1ed1i b\u0103ng m\u1eafc k\u1eb9t t\u1ea1o ra m\u1ed9t \u0111\u1ed9t bi\u1ebfn v\u1ec1 l\u1ef1c \u2014 th\u01b0\u1eddng l\u00e0 l\u1ef1c t\u1ea1m th\u1eddi t\u1eeb 500\u20131.500 lb-ft t\u00f9y theo m\u00e1y \u2014 ph\u1ea7n y\u1ebfu nh\u1ea5t c\u1ee7a b\u1ed9 n\u1ed1i c\u1eaft b\u1ecb g\u00e3y trong c\u1eaft ngang. C\u00e1nh qu\u1ea1t d\u1eebng l\u1ea1i. \u0110\u1ed9ng c\u01a1 v\u1eabn ho\u1ea1t \u0111\u1ed9ng. H\u1ed9p s\u1ed1 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

B\u1ed9 N\u1ed1i C\u1eaft vs. Ch\u1ed1t C\u1eaft: S\u1ef1 Kh\u00e1c Bi\u1ec7t L\u00e0 G\u00ec?<\/h3>\n

S\u1ef1 nh\u1ea7m l\u1eabn n\u00e0y th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra, v\u00e0 n\u00f3 r\u1ea5t quan tr\u1ecdng. M\u1ed9t ch\u1ed1t c\u1eaft<\/strong> l\u00e0 m\u1ed9t thanh tr\u1ee5 tr\u00f2n tr\u01a1n (ngh\u0129a l\u00e0 ch\u1ed1t ch\u1ed1t ho\u1eb7c thanh th\u00e9p t\u00f4i c\u1ee9ng) \u0111\u01b0\u1ee3c l\u1eafp trong l\u1ed7 vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c. M\u1ed9t b\u1ed9 n\u1ed1i c\u1eaft<\/strong> l\u00e0 m\u1ed9t b\u1ed9 n\u1ed1i c\u00f3 ren \u2014 n\u00f3 c\u00f3 \u0111\u1ea7u, th\u00e2n v\u00e0 ren \u2014 v\u00e0 n\u00f3 g\u00e3y trong qu\u00e1 tr\u00ecnh c\u1eaft ngang qua ph\u1ea7n relief ren ho\u1eb7c m\u1ed9t r\u00e3nh c\u1ed1 \u00fd.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m<\/th>\nB\u1ed9 N\u1ed1i C\u1eaft<\/th>\nCh\u1ed1t C\u1eaft<\/th>\n<\/tr>\n
Ren<\/td>\nC\u00f3 \u2014 ren v\u00edt h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n<\/td>\nKh\u00f4ng \u2014 thanh tr\u1ee5 tr\u00f2n tr\u01a1n<\/td>\n<\/tr>\n
V\u00f9ng h\u1ecfng<\/td>\nL\u1ed7 tho\u00e1t ren ho\u1eb7c r\u00e3nh gia c\u00f4ng<\/td>\nM\u1eb7t c\u1eaft ngang t\u1ea1i m\u1eb7t c\u1eaft ch\u1ecbu c\u1eaft<\/td>\n<\/tr>\n
C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td>\nM\u00e1y qu\u1ea1t tuy\u1ebft, m\u00e1y khoan, truy\u1ec1n \u0111\u1ed9ng PTO, m\u00e1y t\u00e1ch g\u1ed7<\/td>\nM\u00e1y qu\u1ea1t tuy\u1ebft c\u0169 h\u01a1n, truy\u1ec1n \u0111\u1ed9ng h\u00e0ng h\u1ea3i, m\u00e1y c\u00e0y nh\u1ecf<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 thay th\u1ebf<\/td>\nNhanh h\u01a1n \u2014 s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng ti\u00eau chu\u1ea9n<\/td>\nY\u00eau c\u1ea7u ch\u1ed1t c\u1ea5y ho\u1eb7c v\u00f2ng gi\u1eef ch\u1eb7t<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a t\u1ea3i<\/td>\nV\u1eeba ph\u1ea3i (\u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi c\u1ea5p \u0111\u1ed9)<\/td>\nCao (\u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi \u0111\u01b0\u1eddng k\u00ednh + v\u1eadt li\u1ec7u)<\/td>\n<\/tr>\n
Chi ph\u00ed<\/td>\n$0.25\u2013$0.60 m\u1ed7i v\u00edt<\/td>\n$0.50\u2013$2.00 m\u1ed7i ch\u1ed1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Trong th\u1ef1c t\u1ebf, c\u00e1c m\u00e1y qu\u1ea1t tuy\u1ebft sau n\u0103m 1990 v\u00e0 h\u1ea7u h\u1ebft thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng PTO n\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng v\u00edt c\u1eaft v\u00ec ch\u00fang thay th\u1ebf nhanh h\u01a1n v\u00e0 d\u1ec5 t\u00ecm h\u01a1n. C\u00e1c m\u00e1y c\u0169 h\u01a1n v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tr\u1ee5c h\u00e0ng h\u1ea3i v\u1eabn s\u1eed d\u1ee5ng ch\u1ed1t c\u1eaft.<\/p>\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a L\u1ef1c c\u1eaft \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ee5 ki\u1ec7n<\/h3>\n

Khi x\u1ea3y ra s\u1ef1 c\u1ed1 qu\u00e1 t\u1ea3i, l\u1ef1c t\u00e1c d\u1ee5ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c d\u00e0i c\u1ee7a v\u00edt \u2014 \u0111\u00f3 l\u00e0 \u00fd ngh\u0129a c\u1ee7a \u201cc\u1eaft\u201d trong ng\u1eef c\u1ea3nh n\u00e0y. V\u00edt kh\u00f4ng b\u1ecb k\u00e9o \u0111\u1ee9t (h\u1ecfng do k\u00e9o c\u0103ng); n\u00f3 c\u1eaft qua. S\u1ee9c m\u1ea1nh c\u1eaft c\u1ee7a v\u00edt x\u1ea5p x\u1ec9 b\u1eb1ng 60% c\u1ee7a s\u1ee9c m\u1ea1nh k\u00e9o \u0111\u1ee9t c\u1ee7a n\u00f3. \u0110\u1ed1i v\u1edbi v\u00edt Lo\u1ea1i 5, \u0111\u00f3 kho\u1ea3ng 60% \u00d7 120.000 psi = 72.000 psi s\u1ee9c m\u1ea1nh c\u1eaft.<\/p>\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ecdn c\u1ea5p \u0111\u1ed9 v\u00e0 \u0111\u01b0\u1eddng k\u00ednh v\u00edt sao cho l\u1ef1c c\u1eaft t\u00ednh to\u00e1n khi h\u1ecfng h\u00f3c n\u1eb1m an to\u00e0n d\u01b0\u1edbi gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, nh\u01b0ng v\u1eabn \u0111\u00e1ng tin c\u1eady v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi t\u1ea3i v\u1eadn h\u00e0nh. Kho\u1ea3ng c\u00e1ch n\u00e0y h\u1eb9p h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ecdi ng\u01b0\u1eddi ngh\u0129 \u2014 \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c s\u1eed d\u1ee5ng lo\u1ea1i c\u1ea5p \u0111\u1ed9 sai c\u00f3 th\u1ec3 g\u00e2y h\u1ecfng h\u00f3c s\u1edbm (k\u00edch ho\u1ea1t nh\u1ea7m) ho\u1eb7c kh\u00f4ng b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c ch\u00fat n\u00e0o.<\/p>\n

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C\u00e1c lo\u1ea1i v\u00edt c\u1eaft<\/h2>\n

T\u1ea5t c\u1ea3 c\u00e1c bu l\u00f4ng c\u1eaft kh\u00f4ng gi\u1ed1ng nhau. Ch\u00fang kh\u00e1c nhau v\u1ec1 ki\u1ec3u \u0111\u1ea7u, thi\u1ebft k\u1ebf th\u00e2n, v\u1eadt li\u1ec7u, v\u00e0 c\u00f3 hay kh\u00f4ng c\u00f3 \u0111i\u1ec3m y\u1ebfu \u0111\u01b0\u1ee3c gia c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch.<\/p>\n

!b\u1ea3n \u0111\u1ed3 c\u00e1c lo\u1ea1i bu l\u00f4ng c\u1eaft \u2014 bi\u1ec3u \u0111\u1ed3 th\u1ec3 hi\u1ec7n c\u00e1c bi\u1ebfn th\u1ec3 bu l\u00f4ng c\u1eaft ti\u00eau chu\u1ea9n, c\u00f3 r\u00e3nh v\u00e0 c\u00f3 v\u00e0nh<\/a><\/figure>\n

Bu l\u00f4ng c\u1eaft ti\u00eau chu\u1ea9n (Kh\u00f4ng \u0111\u00e1nh d\u1ea5u)<\/h3>\n

Ch\u00fang tr\u00f4ng gi\u1ed1ng nh\u01b0 bu l\u00f4ng h\u00ecnh l\u1ee5c gi\u00e1c th\u00f4ng th\u01b0\u1eddng nh\u01b0ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p c\u1ea5p th\u1ea5p h\u01a1n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. To\u00e0n b\u1ed9 v\u00f9ng relief ren (n\u01a1i k\u1ebft th\u00fac ren \u1edf th\u00e2n) \u0111\u00f3ng vai tr\u00f2 l\u00e0 v\u00f9ng th\u1ea5t b\u1ea1i. H\u1ea7u h\u1ebft c\u00e1c bu l\u00f4ng c\u1eaft c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y qu\u00e9t tuy\u1ebft \u0111\u1ec1u thu\u1ed9c lo\u1ea1i n\u00e0y. Ch\u00fang \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm ho\u1eb7c th\u00e9p tr\u01a1n, th\u01b0\u1eddng c\u00f3 ren 5\/16\u2033-18 ho\u1eb7c 3\/8\u2033-16, v\u00e0 c\u1ea5p \u0111\u1ed9 1 ho\u1eb7c c\u1ea5p \u0111\u1ed9 2.<\/p>\n

Bu l\u00f4ng c\u1eaft c\u00f3 r\u00e3nh ho\u1eb7c \u0111\u00e3 \u0111\u01b0\u1ee3c khoan s\u1eb5n<\/h3>\n

Bu l\u00f4ng c\u1eaft c\u00f3 r\u00e3nh c\u00f3 m\u1ed9t r\u00e3nh v\u00f2ng quanh th\u00e2n \u0111\u01b0\u1ee3c gia c\u00f4ng \u2014 gi\u1ea3m ch\u00ednh x\u00e1c di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra \u0111i\u1ec3m th\u1ea5t b\u1ea1i r\u00f5 r\u00e0ng, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. Ch\u00fang \u0111\u1eaft h\u01a1n ($0.75\u2013$2.50 m\u1ed7i chi\u1ebfc) nh\u01b0ng cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1eb7t ch\u1ebd h\u01a1n v\u1ec1 l\u1ef1c g\u00e3y. B\u1ea1n s\u1ebd th\u1ea5y ch\u00fang trong c\u00e1c b\u1ed9 b\u1ea3o v\u1ec7 PTO n\u00f4ng nghi\u1ec7p, \u0111\u1ed9i xe qu\u00e9t tuy\u1ebft th\u01b0\u01a1ng m\u1ea1i, v\u00e0 c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u0103ng chuy\u1ec1n n\u01a1i vi\u1ec7c k\u00edch ho\u1ea1t nh\u1ea7m ho\u1eb7c kh\u00f4ng \u0111\u1ee7 b\u1ea3o v\u1ec7 \u0111\u1ec1u kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n

Bu l\u00f4ng c\u1eaft c\u00f3 v\u00e0nh<\/h3>\n

Bu l\u00f4ng c\u1eaft c\u00f3 v\u00e0nh c\u00f3 m\u1ed9t v\u00e0nh t\u00edch h\u1ee3p d\u01b0\u1edbi \u0111\u1ea7u gi\u00fap ph\u00e2n ph\u1ed1i l\u1ef1c si\u1ebft ch\u1eb7t v\u00e0 gi\u1ea3m nguy c\u01a1 \u0111\u1ea7u b\u1ecb k\u00e9o qua v\u1ecf m\u1ec1m kim lo\u1ea1i. Th\u01b0\u1eddng th\u1ea5y trong c\u00e1c v\u1ecf h\u1ed9p b\u00e1nh r\u0103ng qu\u1ea1t tuy\u1ebft \u0111\u00fac h\u1ee3p kim nh\u00f4m, n\u01a1i m\u00e0 \u0111\u1ea7u l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n s\u1ebd b\u1ecb b\u1ebb cong (k\u1ebft d\u00ednh) v\u00e0o v\u1eadt li\u1ec7u m\u1ec1m qua c\u00e1c chu k\u1ef3 si\u1ebft ch\u1eb7t l\u1eb7p l\u1ea1i.<\/p>\n

Bu l\u00f4ng c\u1eaft ren \u0111\u1ea7y v\u00e0 ren m\u1ed9t ph\u1ea7n<\/h3>\n

Bu l\u00f4ng ren \u0111\u1ea7y (ren ch\u1ea1y t\u1eeb \u0111\u1ea7u \u0111\u1ebfn \u0111\u1ec9nh) th\u1ea5t b\u1ea1i \u1edf b\u1ea5t k\u1ef3 khe ren n\u00e0o ch\u1ecbu l\u1ef1c c\u1eaft t\u1ed1i \u0111a. Bu l\u00f4ng ren m\u1ed9t ph\u1ea7n c\u00f3 th\u00e2n tr\u01a1n \u1edf chi\u1ec1u d\u00e0i gi\u1eef ch\u1eb7t \u2014 ch\u00fang th\u1ea5t b\u1ea1i t\u1ea1i \u0111i\u1ec3m chuy\u1ec3n ti\u1ebfp d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c gi\u1eefa ph\u1ea7n tr\u01a1n v\u00e0 ph\u1ea7n ren. Thi\u1ebft k\u1ebf th\u00e2n tr\u01a1n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh x\u00e1c v\u00ec v\u1ecb tr\u00ed th\u1ea5t b\u1ea1i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n

C\u00e1c bi\u1ebfn th\u1ec3 v\u1eadt li\u1ec7u: Th\u00e9p, Inox, v\u00e0 h\u1ee3p kim k\u1ebdm<\/h3>\n

H\u1ea7u h\u1ebft c\u00e1c bu l\u00f4ng c\u1eaft l\u00e0 th\u00e9p carbon th\u1ea5p (C\u1ea5p 1 ho\u1eb7c 2) \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n. Bu l\u00f4ng c\u1eaft inox t\u1ed3n t\u1ea1i cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i v\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, nh\u01b0ng h\u00e3y c\u1ea9n th\u1eadn: th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1eaft th\u1ea5p h\u01a1n th\u00e9p carbon c\u1ea5p 2, trong khi inox 316 c\u00f2n y\u1ebfu h\u01a1n n\u1eefa. N\u1ebfu nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u c\u1ea5p \u0111\u1ed9 2 th\u00e9p carbon, th\u00ec bu l\u00f4ng inox kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 s\u1ef1 thay th\u1ebf tr\u1ef1c ti\u1ebfp \u2014 h\u00e3y x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

\n

C\u00e1c c\u1ea5p \u0111\u1ed9 bu l\u00f4ng c\u1eaft: Lo\u1ea1i n\u00e0o th\u1ef1c s\u1ef1 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n<\/h2>\n

Vi\u1ec7c ch\u1ecdn c\u1ea5p \u0111\u1ed9 l\u00e0 n\u01a1i ph\u1ea7n l\u1edbn thi\u1ec7t h\u1ea1i thi\u1ebft b\u1ecb th\u1ef1c s\u1ef1 b\u1eaft ngu\u1ed3n. S\u1eed d\u1ee5ng c\u1ea5p \u0111\u1ed9 sai kh\u00f4ng ch\u1ec9 kh\u00f4ng b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c \u2014 n\u00f3 c\u00f2n c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i th\u1ea3m kh\u1ed1c.<\/p>\n

T\u1ed5ng quan v\u1ec1 c\u1ea5p \u0111\u1ed9<\/h3>\n
\n\n\n\n\n\n\n\n\n
C\u1ea5p \u0111\u1ed9<\/th>\nD\u1ea5u hi\u1ec7u SAE<\/th>\n\u0110\u1ed9 b\u1ec1n k\u00e9o<\/th>\nL\u1ef1c c\u1eaft (\u01b0\u1edbc t\u00ednh)<\/th>\nS\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n
C\u1ea5p 1<\/td>\nKh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u<\/td>\n60.000 psi<\/td>\n~36.000 psi<\/td>\nM\u00e1y x\u1edbi tuy\u1ebft, m\u00e1y khoan nh\u1eb9<\/td>\n<\/tr>\n
C\u1ea5p 2<\/td>\nKh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u (ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n)<\/td>\n74.000 psi<\/td>\n~44.000 psi<\/td>\nThi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p trung b\u00ecnh<\/td>\n<\/tr>\n
C\u1ea5p 5<\/td>\n3 d\u1ea5u radial<\/td>\n120.000 psi<\/td>\n~72.000 psi<\/td>\nS\u1eed d\u1ee5ng c\u1ea5u tr\u00fac chung \u2014 hi\u1ebfm khi \u0111\u00fang cho bu l\u00f4ng c\u1eaft<\/strong><\/td>\n<\/tr>\n
C\u1ea5p 8<\/td>\n6 d\u1ea5u radial<\/td>\n150.000 psi<\/td>\n~90.000 psi<\/td>\nC\u1ea5u tr\u00fac ch\u1ecbu l\u1ef1c cao \u2014 kh\u00f4ng ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng bu l\u00f4ng c\u1eaft<\/strong><\/td>\n<\/tr>\n
Metric 8.8<\/td>\n\u201c8.8\u201d tr\u00ean \u0111\u1ea7u<\/td>\n~116.000 psi<\/td>\n~70.000 psi<\/td>\nM\u00e1y m\u00f3c ch\u00e2u \u00c2u\/Ch\u00e2u \u00c1 (t\u01b0\u01a1ng t\u1ef1 Grade 5)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng bu l\u00f4ng Grade 8 l\u00e0m bu l\u00f4ng c\u1eaft kh\u00f4ng?<\/h3>\n

Kh\u00f4ng \u2014 v\u00e0 \u0111\u00e2y l\u00e0 sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn h\u1ed9p s\u1ed1 b\u1ecb h\u1ecfng.<\/strong> M\u1ed9t bu l\u00f4ng Grade 8 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1eaft cao h\u01a1n kho\u1ea3ng 2,5 l\u1ea7n so v\u1edbi bu l\u00f4ng Grade 1 ho\u1eb7c Grade 2 m\u00e0 n\u00f3 thay th\u1ebf. Khi x\u1ea3y ra qu\u00e1 t\u1ea3i, bu l\u00f4ng Grade 8 kh\u00f4ng g\u00e3y. Thay v\u00e0o \u0111\u00f3, l\u1ef1c truy\u1ec1n tr\u1ef1c ti\u1ebfp \u0111\u1ebfn h\u1ed9p s\u1ed1 m\u00e1y khoan, tr\u1ee5c m\u00e1y khoan ho\u1eb7c b\u1ed9 gh\u00e9p PTO. Ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c h\u1ecfng h\u00f3c h\u1ed9p s\u1ed1 $800 b\u1eaft ngu\u1ed3n tr\u1ef1c ti\u1ebfp t\u1eeb vi\u1ec7c ai \u0111\u00f3 \u201cn\u00e2ng c\u1ea5p\u201d t\u1eeb bu l\u00f4ng c\u1eaft OEM l\u00ean Grade 8 v\u00ec h\u1ecd m\u1ec7t m\u1ecfi v\u1edbi vi\u1ec7c bu l\u00f4ng b\u1ecb g\u00e3y.<\/p>\n

\u1ed0c v\u00edt c\u1eaft c\u1ee7a OEM b\u1ecb g\u00e3y v\u00ec ch\u00fang \u0111ang th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh. N\u1ebfu ch\u00fang g\u00e3y qu\u00e1 th\u01b0\u1eddng xuy\u00ean, c\u00e1ch s\u1eeda \u0111\u00fang l\u00e0 hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n \u2014 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eafp \u0111\u1eb7t m\u1ed9t lo\u1ea1i \u1ed1c v\u00edt m\u1ea1nh h\u01a1n.<\/p>\n

Grade 5 c\u0169ng t\u01b0\u01a1ng t\u1ef1 nguy hi\u1ec3m \u1edf h\u1ea7u h\u1ebft c\u00e1c v\u1ecb tr\u00ed \u1ed1c c\u1eaft c\u1ee7a thi\u1ebft b\u1ecb nh\u1eb9. Theo t\u00e0i li\u1ec7u tham kh\u1ea3o k\u1ef9 thu\u1eadt c\u1ee7a McMaster-Carr v\u1ec1 c\u00e1c lo\u1ea1i \u1ed1c c\u1eaft<\/a>, vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed1c c\u1eaft ph\u00f9 h\u1ee3p lu\u00f4n b\u1eaft \u0111\u1ea7u t\u1eeb th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a OEM, kh\u00f4ng ph\u1ea3i t\u1eeb ph\u1ea7n c\u1ee9ng \u0111a d\u1ee5ng.<\/p>\n

Khi n\u00e0o \u00e1p d\u1ee5ng Grade 5?<\/h3>\n

\u1ed0c c\u1eaft Grade 5 ph\u00f9 h\u1ee3p trong c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i n\u1eb7ng, n\u01a1i c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u0169ng n\u1eb7ng \u2014 h\u1ed9p s\u1ed1 PTO l\u1edbn, h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i c\u00f4ng nghi\u1ec7p, m\u00e1y nghi\u1ec1n g\u1ed7 lo\u1ea1i th\u01b0\u01a1ng m\u1ea1i. T\u1ea3i tr\u1ecdng ho\u1ea1t \u0111\u1ed9ng cao h\u01a1n, v\u00ec v\u1eady ng\u01b0\u1ee1ng b\u1ea3o v\u1ec7 c\u1ea7n cao h\u01a1n. Ch\u00eca kh\u00f3a l\u00e0 thi\u1ebft k\u1ebf c\u1ee7a m\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i n\u00e0y.<\/p>\n

\n

B\u1ea3ng k\u00edch th\u01b0\u1edbc \u1ed1c c\u1eaft v\u00e0 th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn<\/h2>\n

K\u00edch th\u01b0\u1edbc quan tr\u1ecdng c\u1ea3 v\u1ec1 \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1eaft. M\u1ed9t \u1ed1c v\u00edt \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n c\u00f3 di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang l\u1edbn h\u01a1n, do \u0111\u00f3 y\u00eau c\u1ea7u l\u1ef1c c\u1eaft t\u01b0\u01a1ng \u1ee9ng l\u1edbn h\u01a1n. Vi\u1ec7c nh\u1ea7m l\u1eabn gi\u1eefa \u1ed1c 5\/16\u2033 v\u00e0 3\/8\u2033 trong c\u00f9ng m\u1ed9t \u1ee9ng d\u1ee5ng s\u1ebd l\u00e0m thay \u0111\u1ed5i l\u1ef1c g\u00e3y kho\u1ea3ng 44%.<\/p>\n

K\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n
K\u00edch th\u01b0\u1edbc<\/th>\nRen<\/th>\nL\u1ef1c g\u00e3y \u0111i\u1ec3n h\u00ecnh (Grade 2)<\/th>\n\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n
1\/4″-20<\/td>\nTh\u00f4<\/td>\n~850 lb<\/td>\nM\u00e1y c\u00e0y nh\u1ecf, m\u00e1y t\u1ec9a h\u00e0ng r\u00e0o<\/td>\n<\/tr>\n
5\/16″-18<\/td>\nTh\u00f4<\/td>\n~1.400 lb<\/td>\nM\u00e1y x\u1edbi tuy\u1ebft (h\u1ea7u h\u1ebft lo\u1ea1i m\u1ed9t c\u1ea5p)<\/td>\n<\/tr>\n
3\/8″-16<\/td>\nTh\u00f4<\/td>\n~2.100 lb<\/td>\nM\u00e1y x\u1edbi tuy\u1ebft hai c\u1ea5p, m\u00e1y khoan nh\u1ecf<\/td>\n<\/tr>\n
7\/16″-14<\/td>\nTh\u00f4<\/td>\n~2.900 lb<\/td>\nThi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p c\u1ee1 trung<\/td>\n<\/tr>\n
1\/2″-13<\/td>\nTh\u00f4<\/td>\n~3.800 lb<\/td>\nThi\u1ebft b\u1ecb PTO n\u1eb7ng, m\u00e1y t\u00e1ch g\u1ed7<\/td>\n<\/tr>\n
M8\u00d71.25<\/td>\nM\u00e9t<\/td>\n~1.600 lb<\/td>\nC\u00e1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng thi\u1ebft b\u1ecb ch\u00e2u \u00c2u<\/td>\n<\/tr>\n
M10\u00d71.5<\/td>\nM\u00e9t<\/td>\n~2.500 lb<\/td>\nThi\u1ebft b\u1ecb trung-duty ch\u00e2u \u00c2u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

C\u00e1c s\u1ed1 li\u1ec7u v\u1ec1 l\u1ef1c ph\u00e1 n\u00e0y ch\u1ec9 mang t\u00ednh \u01b0\u1edbc l\u01b0\u1ee3ng cho th\u00e9p carbon lo\u1ea1i 2 (SAE). Gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 x\u1eed l\u00fd nhi\u1ec7t; lu\u00f4n x\u00e1c nh\u1eadn theo s\u00e1ch h\u01b0\u1edbng d\u1eabn d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t OEM c\u1ee7a b\u1ea1n.<\/p>\n

Th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn cho bu l\u00f4ng c\u1eaft<\/h3>\n

\u0110\u00e2y l\u00e0 n\u01a1i nhi\u1ec1u k\u1ef9 thu\u1eadt vi\u00ean m\u1eafc sai l\u1ea7m. Bu l\u00f4ng c\u1eaft n\u00ean \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t \u0111\u1ebfn m\u1ee9c v\u1eeba \u0111\u1ee7 c\u1ed9ng th\u00eam m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng quay<\/strong> \u2014 kh\u00f4ng ph\u1ea3i theo th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn ti\u00eau chu\u1ea9n cho k\u00edch th\u01b0\u1edbc bu l\u00f4ng \u0111\u00f3. Si\u1ebft qu\u00e1 ch\u1eb7t g\u00e2y c\u0103ng th\u1eb3ng l\u00ean th\u00e2n bu l\u00f4ng v\u00e0 l\u00e0m gi\u1ea3m \u0111i\u1ec3m g\u00e3y \u0111\u1ee9t th\u1ef1c t\u1ebf m\u1ed9t c\u00e1ch kh\u00f4ng d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. Si\u1ebft qu\u00e1 l\u1ecfng g\u00e2y m\u00e0i m\u00f2n do ma s\u00e1t v\u00e0 m\u1ecfi v\u1eadt li\u1ec7u c\u0169ng l\u00e0m gi\u1ea3m l\u1ef1c ph\u00e1 theo th\u1eddi gian.<\/p>\n

H\u1ea7u h\u1ebft s\u00e1ch h\u01b0\u1edbng d\u1eabn b\u1ea3o tr\u00ec m\u00e1y qu\u00e9t tuy\u1ebft quy \u0111\u1ecbnh 12\u201318 ft-lb cho bu l\u00f4ng c\u1eaft 5\/16\u2033 v\u00e0 20\u201328 ft-lb cho bu l\u00f4ng c\u1eaft 3\/8\u2033. Khi kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y s\u1eed d\u1ee5ng c\u1edd l\u00ea m\u00f4-men xo\u1eafn \u2014 kh\u00f4ng ph\u1ea3i c\u1edd l\u00ea v\u00f2ng mi\u1ec7ng \u1edf kho\u1ea3ng c\u00e1ch xa.<\/p>\n

\n

C\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u c\u1ee7a bu l\u00f4ng c\u1eaft<\/h2>\n

Bu l\u00f4ng c\u1eaft xu\u1ea5t hi\u1ec7n \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o thi\u1ebft b\u1ecb quay c\u1ea7n b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n b\u1ed9 ly h\u1ee3p tr\u01b0\u1ee3t ho\u1eb7c gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

H\u1ed9p truy\u1ec1n \u0111\u1ed9ng tr\u1ee5c quay c\u1ee7a m\u00e1y qu\u00e9t tuy\u1ebft<\/h3>\n

\u1ee8ng d\u1ee5ng d\u1ec5 nh\u1eadn bi\u1ebft nh\u1ea5t. C\u00e1c m\u00e1y m\u1ed9t c\u1ea5p s\u1eed d\u1ee5ng hai bu l\u00f4ng c\u1eaft qua tr\u1ee5c paddle c\u1ee7a b\u1ed9 qu\u1ea5n; c\u00e1c m\u00e1y hai c\u1ea5p b\u1ea3o v\u1ec7 k\u1ebft n\u1ed1i gi\u1eefa b\u1ed9 qu\u1ea5n v\u00e0 c\u00e1nh qu\u1ea1t. Ariens, Husqvarna, Toro, Cub Cadet, Honda v\u00e0 Craftsman \u0111\u1ec1u s\u1eed d\u1ee5ng th\u00f4ng s\u1ed1 bu l\u00f4ng c\u1eaft OEM trong ph\u1ea1m vi 5\/16\u2033-18 \u0111\u1ebfn 3\/8\u2033-16, Lo\u1ea1i 1 ho\u1eb7c Lo\u1ea1i 2. Thay th\u1ebf c\u1ea3 hai bu l\u00f4ng b\u1ea5t c\u1ee9 khi n\u00e0o m\u1ed9t trong s\u1ed1 ch\u00fang b\u1ecb g\u00e3y \u2014 m\u1ed9t bu l\u00f4ng c\u1eaft \u0111\u01a1n b\u00ean t\u1ea1o ra m\u1ea5t c\u00e2n b\u1eb1ng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a bu l\u00f4ng c\u00f2n l\u1ea1i.<\/p>\n

Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p v\u00e0 truy\u1ec1n \u0111\u1ed9ng PTO<\/h3>\n

Thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng PTO \u2014 m\u00e1y c\u1eaft quay, m\u00e1y \u0111\u00f3ng r\u01a1m, m\u00e1y \u0111\u00e0o l\u1ed7 c\u1ed9t, m\u00e1y qu\u1ea5n h\u1ea1t \u2014 s\u1eed d\u1ee5ng bu l\u00f4ng c\u1eaft \u1edf tr\u1ee5c v\u00e0o \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ed9p s\u1ed1 kh\u1ecfi va \u0111\u1eadp \u0111\u1ed9t ng\u1ed9t (s\u1ecfi, g\u1ed1c c\u00e2y, \u0111\u1ea5t \u0111\u00f3ng b\u0103ng). Bu l\u00f4ng c\u1eaft n\u00f4ng nghi\u1ec7p th\u01b0\u1eddng theo h\u1ec7 m\u00e9t tr\u00ean thi\u1ebft b\u1ecb ngu\u1ed3n g\u1ed1c ch\u00e2u \u00c2u. M\u1ed9t l\u01b0u \u00fd quan tr\u1ecdng: tr\u00ean Tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng PTO<\/strong>, m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed bu l\u00f4ng c\u1eaft l\u00e0 an to\u00e0n quan tr\u1ecdng theo Ti\u00eau chu\u1ea9n c\u1ee7a OSHA v\u1ec1 b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p<\/a>. S\u1eed d\u1ee5ng lo\u1ea1i c\u1ea5p \u0111\u1ed9 sai kh\u00f4ng ch\u1ec9 g\u00e2y r\u1ee7i ro h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb \u2014 m\u00e0 c\u00f2n g\u00e2y nguy c\u01a1 h\u1ecfng b\u1ed9 b\u1ea3o v\u1ec7 khi va \u0111\u1eadp.<\/p>\n

M\u00e1y c\u1eaft g\u1ed7 v\u00e0 m\u00e1y nghi\u1ec1n g\u1ed7<\/h3>\n

M\u00e1y c\u1eaft g\u1ed7 v\u1edbi thi\u1ebft k\u1ebf tr\u1ee5c ngang s\u1eed d\u1ee5ng bul\u00f4ng c\u1eaft t\u1ea1i b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u01a1m th\u1ee7y l\u1ef1c. M\u00e1y nghi\u1ec1n g\u1ed7 s\u1eed d\u1ee5ng ch\u00fang tr\u00ean \u0111\u0129a nghi\u1ec1n. C\u00e1c d\u1ea1ng h\u1ecfng h\u00f3c \u1edf \u0111\u00e2y th\u01b0\u1eddng d\u1eef d\u1ed9i h\u01a1n (t\u1ea3i tr\u1ecdng l\u1edbn, \u0111\u1ed9t ng\u1ed9t t\u1eeb g\u1ed7 c\u1ee9ng c\u00f3 n\u00fat th\u1eaft), v\u00ec v\u1eady bul\u00f4ng c\u1eaft c\u00f3 v\u1ebft r\u1ea1ch s\u1eb5n l\u00e0 ph\u1ed5 bi\u1ebfn.<\/p>\n

H\u1ec7 th\u1ed1ng b\u0103ng chuy\u1ec1n v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p<\/h3>\n

D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng bul\u00f4ng c\u1eaft nh\u01b0 l\u1edbp b\u1ea3o v\u1ec7 cu\u1ed1i c\u00f9ng ch\u1ed1ng qu\u00e1 t\u1ea3i c\u01a1 h\u1ecdc gi\u1eefa \u0111\u1ed9ng c\u01a1 v\u00e0 tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng. Trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u00f3ng g\u00f3i, y\u00eau c\u1ea7u s\u1eed d\u1ee5ng bul\u00f4ng c\u1eaft b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9. \u01afu \u0111i\u1ec3m so v\u1edbi b\u1ed9 gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn \u0111i\u1ec7n t\u1eed: bul\u00f4ng c\u1eaft c\u01a1 h\u1ecdc h\u1ecfng ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n

H\u1ec7 th\u1ed1ng tr\u01b0\u1ee3t c\u1ea1nh c\u1ee7a xe x\u00fac tuy\u1ebft<\/h3>\n

L\u01b0\u1ee1i x\u00fac tuy\u1ebft ch\u1ecbu t\u1ea3i n\u1eb7ng s\u1eed d\u1ee5ng bul\u00f4ng c\u1eaft tr\u00ean l\u00f2 xo tr\u01b0\u1ee3t c\u1ea1nh. Khi l\u01b0\u1ee1i x\u00fac va v\u00e0o l\u1ec1 \u0111\u01b0\u1eddng ho\u1eb7c n\u1eafp c\u1ed1ng tho\u00e1t n\u01b0\u1edbc khi \u0111ang x\u00fac tuy\u1ebft, bul\u00f4ng c\u1eaft s\u1ebd gi\u1ea3i ph\u00f3ng c\u1ea1nh tr\u01b0\u1ee3t, cho ph\u00e9p l\u01b0\u1ee1i x\u00fac g\u1eadp l\u1ea1i thay v\u00ec truy\u1ec1n to\u00e0n b\u1ed9 l\u1ef1c va \u0111\u1eadp t\u1edbi h\u1ec7 th\u1ed1ng treo tr\u01b0\u1edbc c\u1ee7a xe t\u1ea3i. Nh\u1eefng bul\u00f4ng n\u00e0y th\u01b0\u1eddng l\u1edbn h\u01a1n (1\/2\u2033-13 ho\u1eb7c 5\/8\u2033-11) v\u00e0 thu\u1ed9c lo\u1ea1i Grade 2 ho\u1eb7c Grade 3.<\/p>\n

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C\u00e1ch ch\u1ecdn bul\u00f4ng c\u1eaft ph\u00f9 h\u1ee3p<\/h2>\n

B\u1eaft \u0111\u1ea7u t\u1eeb th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM). M\u1ecdi th\u1ee9 kh\u00e1c \u0111\u1ec1u d\u1ef1a tr\u00ean \u0111\u00f3.<\/p>\n

!s\u01a1 \u0111\u1ed3 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn bul\u00f4ng c\u1eaft th\u1ec3 hi\u1ec7n c\u00e2y quy\u1ebft \u0111\u1ecbnh ch\u1ecdn c\u1ea5p \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc<\/a><\/figure>\n

B\u01b0\u1edbc 1: T\u00ecm s\u1ed1 ph\u1ea7n c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c<\/h3>\n

S\u1ed5 tay h\u01b0\u1edbng d\u1eabn d\u1ecbch v\u1ee5 c\u1ee7a thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n li\u1ec7t k\u00ea s\u1ed1 ph\u1ea7n c\u1ee7a bul\u00f4ng c\u1eaft, t\u1eeb \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5p \u0111\u1ed9, k\u00edch th\u01b0\u1edbc v\u00e0 chi\u1ec1u d\u00e0i. \u0110\u1eebng b\u1ecf qua b\u01b0\u1edbc n\u00e0y. Ngay c\u1ea3 khi bul\u00f4ng tr\u00f4ng gi\u1ed1ng nh\u01b0 h\u00e0ng ti\u00eau chu\u1ea9n c\u1ee7a c\u1eeda h\u00e0ng ph\u1ea7n c\u1ee9ng, n\u00f3 c\u00f3 th\u1ec3 c\u00f3 y\u00eau c\u1ea7u v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t m\u00e0 bul\u00f4ng chung kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c.<\/p>\n

B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u1ecfng h\u00f3c b\u1ea1n c\u1ea7n gi\u1ea3i quy\u1ebft<\/h3>\n

H\u00e3y t\u1ef1 h\u1ecfi: bul\u00f4ng c\u00f3 b\u1ecb g\u00e3y qu\u00e1 th\u01b0\u1eddng xuy\u00ean trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng kh\u00f4ng, ho\u1eb7c n\u00f3 kh\u00f4ng g\u00e3y khi \u0111\u00e1ng l\u1ebd ph\u1ea3i? \u0110\u00e2y l\u00e0 hai v\u1ea5n \u0111\u1ec1 tr\u00e1i ng\u01b0\u1ee3c nhau v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c nhau.<\/p>\n

G\u00e3y qu\u00e1 th\u01b0\u1eddng xuy\u00ean:<\/strong> Ki\u1ec3m tra xem c\u00f3 t\u00edch t\u1ee5 m\u1ea3nh v\u1ee5n trong c\u00e1c l\u1ed7 bul\u00f4ng g\u00e2y l\u1ec7ch tr\u1ee5c, c\u00e1nh qu\u1ea1t tr\u1ee5c v\u00edt m\u00f2n l\u00e0m t\u0103ng t\u1ea3i tr\u1ecdng l\u00ean b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, ho\u1eb7c b\u0103ng tuy\u1ebft \u0111\u00f3ng c\u1ee9ng trong housing c\u1ee7a c\u00e1nh qu\u1ea1t ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ea1i \u0111i\u1ec3m c\u1eaft. Vi\u1ec7c l\u1eafp \u0111\u1eb7t bul\u00f4ng m\u1ea1nh h\u01a1n kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p.<\/p>\n

Kh\u00f4ng g\u00e3y (thi\u1ec7t h\u1ea1i m\u00e1y x\u1ea3y ra):<\/strong> Bul\u00f4ng \u0111\u00e3 l\u1eafp \u0111\u1eb7t qu\u00e1 c\u1ee9ng so v\u1edbi \u1ee9ng d\u1ee5ng. X\u00e1c minh c\u1ea5p \u0111\u1ed9 \u2014 c\u00f3 th\u1ec3 ai \u0111\u00f3 \u0111\u00e3 thay th\u1ebf b\u1eb1ng Grade 5 ho\u1eb7c Grade 8 v\u00e0o m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3.<\/p>\n

B\u01b0\u1edbc 3: Ph\u00f9 h\u1ee3p c\u1ea5p \u0111\u1ed9 v\u1edbi nhi\u1ec7m v\u1ee5 \u1ee9ng d\u1ee5ng<\/h3>\n
\n\n\n\n\n\n\n\n\n\n
\u1ee8ng d\u1ee5ng<\/th>\nX\u1ebfp lo\u1ea1i ch\u00ednh x\u00e1c<\/th>\n<\/tr>\n
M\u00e1y x\u1edbi tuy\u1ebft ti\u00eau d\u00f9ng (giai \u0111o\u1ea1n \u0111\u01a1n)<\/td>\nLo\u1ea1i 1 ho\u1eb7c Lo\u1ea1i 2 OEM<\/td>\n<\/tr>\n
M\u00e1y x\u1edbi tuy\u1ebft hai giai \u0111o\u1ea1n<\/td>\nLo\u1ea1i 2 (theo ti\u00eau chu\u1ea9n OEM)<\/td>\n<\/tr>\n
Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p nh\u1eb9 (< 20 HP PTO)<\/td>\nC\u1ea5p 2<\/td>\n<\/tr>\n
Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p trung b\u00ecnh (20\u201360 HP PTO)<\/td>\nLo\u1ea1i 2 ho\u1eb7c Lo\u1ea1i 5 theo OEM<\/td>\n<\/tr>\n
Thi\u1ebft b\u1ecb PTO n\u1eb7ng (> 60 HP)<\/td>\nLo\u1ea1i 5 theo ti\u00eau chu\u1ea9n OEM<\/td>\n<\/tr>\n
B\u0103ng t\u1ea3i c\u00f4ng nghi\u1ec7p (\u0111\u1ed9ng c\u01a1 \u0111i\u1ec1u khi\u1ec3n)<\/td>\nTham kh\u1ea3o ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt truy\u1ec1n \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

B\u01b0\u1edbc 4: Ki\u1ec3m tra ren v\u00e0 chi\u1ec1u d\u00e0i<\/h3>\n

M\u1ed9t bu l\u00f4ng qu\u00e1 d\u00e0i s\u1ebd ch\u1ea1m \u0111\u00e1y trong l\u1ed7 ren tr\u01b0\u1edbc khi k\u1eb9p ch\u1eb7t b\u1ed9 ph\u1eadn, \u0111\u1ec3 l\u1ea1i ph\u1ea7n th\u00e2n d\u01b0\u1edbi \u00e1p l\u1ef1c thay v\u00ec c\u1eaft \u0111\u1ee9t. M\u1ed9t bu l\u00f4ng qu\u00e1 ng\u1eafn s\u1ebd kh\u00f4ng \u0111\u1ee7 ren \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1eb9p ch\u1eb7t \u0111\u00e1ng tin c\u1eady. Chi\u1ec1u d\u00e0i k\u1eb9p ti\u00eau chu\u1ea9n cho bu l\u00f4ng c\u1eaft l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c k\u1eb9p c\u1ed9ng v\u1edbi m\u1ed9t \u0111\u01b0\u1eddng k\u00ednh.<\/p>\n

B\u01b0\u1edbc 5: Xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/h3>\n

Thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi trong kh\u00ed h\u1eadu \u1ea9m \u01b0\u1edbt n\u00ean s\u1eed d\u1ee5ng bu l\u00f4ng c\u1eaft m\u1ea1 k\u1ebdm ho\u1eb7c m\u1ea1 nh\u00fang n\u00f3ng \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n li\u00ean k\u1ebft (xem th\u00eam ph\u1ea7n th\u00e1o l\u1eafp). M\u00f4i tr\u01b0\u1eddng ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 h\u00e0ng h\u1ea3i y\u00eau c\u1ea7u s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9, ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 thay th\u1ebf lo\u1ea1i \u0111\u00e3 th\u1ea3o lu\u1eadn tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n

Theo nghi\u00ean c\u1ee9u t\u1ed5ng h\u1ee3p b\u1edfi Hi\u1ec7p h\u1ed9i K\u1ef9 s\u01b0 C\u01a1 kh\u00ed Hoa K\u1ef3 v\u1ec1 ph\u00e2n t\u00edch s\u1ef1 c\u1ed1 c\u1ee7a c\u00e1c b\u1ed9 b\u1eaft v\u00edt<\/a>, \u0103n m\u00f2n l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y h\u1ecfng bu l\u00f4ng c\u1eaft s\u1edbm trong thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi \u2014 kh\u00f4ng ph\u1ea3i do qu\u00e1 t\u1ea3i.<\/p>\n

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Th\u00e1o v\u00e0 Thay Bolt C\u1eaft<\/h2>\n

M\u1ed9t bolt c\u1eaft \u0111\u00e3 ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 c\u1ee7a n\u00f3 b\u1ecb g\u00e3y. Vi\u1ec7c l\u1ea5y ph\u1ea7n g\u00e3y ra kh\u1ecfi l\u1ed7 ren l\u00e0 k\u1ef9 n\u0103ng th\u1ef1c t\u1ebf m\u00e0 h\u1ea7u h\u1ebft c\u00e1c h\u01b0\u1edbng d\u1eabn b\u1ecf qua ho\u00e0n to\u00e0n.<\/p>\n

D\u1ee5ng c\u1ee5 b\u1ea1n c\u1ea7n<\/h3>\n