{"id":1467,"date":"2021-01-26T03:16:37","date_gmt":"2021-01-26T03:16:37","guid":{"rendered":"http:\/\/gearboxes-worm.top\/?p=1467"},"modified":"2022-11-18T06:56:40","modified_gmt":"2022-11-18T06:56:40","slug":"ways-in-choosing-a-disc-coupling","status":"publish","type":"post","link":"https:\/\/gearboxes-worm.top\/vi\/ways-in-choosing-a-disc-coupling\/","title":{"rendered":"C\u00e1c c\u00e1ch l\u1ef1a ch\u1ecdn kh\u1edbp n\u1ed1i \u0111\u0129a"},"content":{"rendered":"

Ti\u1ebfp theo l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 minh h\u1ecda h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n l\u1ef1a ch\u1ecdn kh\u1edbp n\u1ed1i \u0111\u0129a. B\u1ea5t k\u1ef3 s\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng n\u00e0o v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea5t k\u1ef3 c\u00f4ng ty n\u00e0o hi\u1ec7n c\u00f3 \u0111\u1ec1u kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ed1 \u00fd v\u00e0 c\u0169ng kh\u00f4ng nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u1ed1ng v\u1edbi \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ty \u0111\u00f3.
V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng:
M\u1ed9t t\u1ed5 ch\u1ee9c bao g\u1ed3m m\u1ed9t \u1ee9ng d\u1ee5ng m\u00e1y n\u00e9n kh\u00ed s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n 225 m\u00e3 l\u1ef1c ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 1.150 v\u00f2ng\/ph\u00fat \u0111\u1ec3 d\u1eabn \u0111\u1ed9ng m\u00e1y n\u00e9n kh\u00ed piston ba xi lanh nhi\u1ec1u c\u1ea5p. \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n c\u00f3 tr\u1ee5c 3-3\/8 inch v\u1edbi r\u00e3nh then 7\/8 inch, trong khi m\u00e1y n\u00e9n kh\u00ed c\u00f3 tr\u1ee5c 92mm v\u1edbi r\u00e3nh then 25mm. Kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u1ea7u tr\u1ee5c x\u1ea5p x\u1ec9 b\u1ea3y inch, c\u00f3 th\u1ec3 thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ed9ng c\u01a1. C\u00e1c tr\u1ee5c c\u00f3 \u0111\u1ed9 l\u1ec7ch song song\/\u0111\u1ed9 l\u1ec7ch t\u00e2m kho\u1ea3ng 1\/32 inch.
Giai \u0111o\u1ea1n 1: B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 x\u00e1c \u0111\u1ecbnh lo\u1ea1i kh\u1edbp n\u1ed1i n\u00e0o lu\u00f4n ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng n\u00e0y. B\u1edfi v\u00ec kh\u1edbp n\u1ed1i ki\u1ec3u SU ch\u1ec9 h\u1ed7 tr\u1ee3...
V\u1edbi m\u1ed9t m\u1eb7t ph\u1eb3ng u\u1ed1n duy nh\u1ea5t, n\u00f3 c\u00f3 th\u1ec3 ch\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 l\u1ec7ch g\u00f3c v\u00e0 l\u1ec7ch tr\u1ee5c, nh\u01b0ng kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 l\u1ec7ch song song. Quy\u1ebft \u0111\u1ecbnh ti\u1ebfp theo s\u1ebd l\u00e0 xem x\u00e9t kh\u1edbp n\u1ed1i ki\u1ec3u SX ho\u1eb7c DI. Lo\u1ea1i SX 6 bu l\u00f4ng s\u1ebd ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ea3 s\u1ef1 l\u1ec7ch song song v\u00e0 kho\u1ea3ng c\u00e1ch tr\u1ee5c x\u00e1c \u0111\u1ecbnh. K\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb m\u00f4-men xo\u1eafn v\u00e0 \u0111\u01b0\u1eddng k\u00ednh tr\u1ee5c.
Giai \u0111o\u1ea1n 2: Ti\u1ebfp theo, x\u00e1c \u0111\u1ecbnh m\u00f4-men xo\u1eafn \u1ee9ng d\u1ee5ng v\u00e0 \u00e1p d\u1ee5ng c\u00e1c v\u1ea5n \u0111\u1ec1 d\u1ecbch v\u1ee5 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00f4-men xo\u1eafn l\u1ef1a ch\u1ecdn. C\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00f4-men xo\u1eafn nh\u01b0 sau:
M\u00f4-men xo\u1eafn \u1ee9ng d\u1ee5ng (in\u00a1\u00a7Clb) = ( HP x 63025 )\/RPM
ho\u1eb7c Nm = (KW x 9550)\/RPM
Nh\u1eadp c\u00e1c s\u1ed1 li\u1ec7u v\u00e0o th\u00f4ng qua ph\u1ea7n m\u00f4 t\u1ea3 \u1ee9ng d\u1ee5ng:
M\u00f4-men xo\u1eafn \u1ee9ng d\u1ee5ng (in-lbs) = (HP x 63025)\/RPM = (225 x 63025)\/1150 = 12.331 in-lbs
M\u00f4-men xo\u1eafn \u1ee9ng d\u1ee5ng x Chi ti\u1ebft d\u1ecbch v\u1ee5 = M\u00f4-men xo\u1eafn t\u1ed5ng th\u1ec3
12.331 in-lbs x 3,0 = 36.993 in-lbs
B\u01b0\u1edbc 3: S\u1eed d\u1ee5ng b\u1ea3ng kh\u1edbp n\u1ed1i SX v\u00e0 l\u01b0u \u00fd r\u1eb1ng SX 202-6 c\u00f3 \u0111\u1ecbnh m\u1ee9c 40.700 in-lbs, th\u1eeba \u0111\u1ee7 \u0111\u1ec3 x\u1eed l\u00fd m\u00f4-men xo\u1eafn l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u1edf b\u01b0\u1edbc hai. Tuy nhi\u00ean, SX202-6 kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u01b0\u1eddng k\u00ednh tr\u1ee5c 92mm. Kh\u1edbp n\u1ed1i k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n ti\u1ebfp theo, SX228-6, s\u1ebd h\u1ed7 tr\u1ee3 \u0111\u01b0\u1eddng k\u00ednh tr\u1ee5c 92mm v\u00e0 k\u00edch th\u01b0\u1edbc kho\u1ea3ng c\u00e1ch gi\u1eefa hai tr\u1ee5c (BSE) l\u00e0 6,88 inch, r\u1ea5t g\u1ea7n v\u1edbi kho\u1ea3ng c\u00e1ch 7 inch \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong \u1ee9ng d\u1ee5ng. SX228-6 c\u00f3 \u0111\u1ecbnh m\u1ee9c 62.000 in-lbs, c\u00f3 v\u1ebb h\u01a1i cao, tuy nhi\u00ean, k\u00edch th\u01b0\u1edbc kh\u1edbp n\u1ed1i r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u1eed l\u00fd \u0111\u01b0\u1eddng k\u00ednh l\u1ed7.
Giai \u0111o\u1ea1n 4: Kh\u1edbp n\u1ed1i SX228-6 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f3 t\u1ed1c \u0111\u1ed9 kh\u00f4ng c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u l\u00e0 3.400 v\u00f2ng\/ph\u00fat, v\u01b0\u1ee3t qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 \u1ee9ng d\u1ee5ng l\u00e0 1.150 v\u00f2ng\/ph\u00fat.
Giai \u0111o\u1ea1n 5: \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh xem kh\u1edbp n\u1ed1i c\u00f3 th\u1ec3 x\u1eed l\u00fd \u0111\u1ed9 l\u1ec7ch song song hay kh\u00f4ng, h\u00e3y s\u1eed d\u1ee5ng h\u00e0m l\u01b0\u1ee3ng gi\u00e1c tan 1?? = \u0111\u1ed9 l\u1ec7ch cho ph\u00e9p tr\u00ean m\u1ed9t inch = 0,0174
Nh\u00e2n 0,0174 v\u1edbi kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u1ee5m \u0111\u0129a ho\u1eb7c k\u00edch th\u01b0\u1edbc ??S?\u00a1\u00a5 trong b\u1ea3ng tr\u00ean trang web D-13, ho\u1eb7c 5,50 inch.
M\u1ee9c cho ph\u00e9p \u0110\u1ed9 l\u1ec7ch song song l\u00e0 0,0174 x 5,50 = 0,096 inch. \u0110\u1ed9 l\u1ec7ch t\u1ed1i \u0111a cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 1\/32 inch (0,031), do \u0111\u00f3 kh\u1edbp n\u1ed1i n\u00e0y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u1ed9 l\u1ec7ch song song.
L\u01b0u \u00fd: Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi ta khuy\u1ebfn ngh\u1ecb n\u00ean c\u1ed1 g\u1eafng l\u1eafp \u0111\u1eb7t kh\u1edbp n\u1ed1i \u1edf v\u1ecb tr\u00ed x\u1ea5p x\u1ec9 20% trong ph\u1ea1m vi sai l\u1ec7ch cho ph\u00e9p. \u0110\u1ed1i v\u1edbi kh\u1edbp n\u1ed1i n\u00e0y, ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t n\u00ean c\u1ed1 g\u1eafng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 l\u1ec7ch song song t\u1ed1t h\u01a1n 0,020 t\u1ea1i th\u1eddi \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t. \u0110i\u1ec1u n\u00e0y s\u1ebd cho ph\u00e9p b\u00f9 tr\u1eeb cho \u0111\u1ed9 l\u1ec7ch b\u1ed5 sung c\u00f3 th\u1ec3 x\u1ea3y ra do s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 hao m\u00f2n thi\u1ebft b\u1ecb th\u00f4ng th\u01b0\u1eddng.<\/p>","protected":false},"excerpt":{"rendered":"

Ti\u1ebfp theo l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 minh h\u1ecda h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n \u0111\u1ec3 l\u1ef1a ch\u1ecdn kh\u1edbp n\u1ed1i \u0111\u0129a. B\u1ea5t k\u1ef3 s\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng n\u00e0o v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea5t k\u1ef3 c\u00f4ng ty n\u00e0o hi\u1ec7n c\u00f3 \u0111\u1ec1u kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ed1 \u00fd v\u00e0 c\u0169ng kh\u00f4ng nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u1ed1ng v\u1edbi \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ty \u0111\u00f3. V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng: M\u1ed9t c\u00f4ng ty c\u00f3 m\u1ed9t \u1ee9ng d\u1ee5ng m\u00e1y n\u00e9n s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n 225 m\u00e3 l\u1ef1c ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 1.150 v\u00f2ng\/ph\u00fat \u0111\u1ec3 d\u1eabn \u0111\u1ed9ng [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1467","post","type-post","status-publish","format-standard","hentry","category-gearboxes-worm"],"_links":{"self":[{"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/posts\/1467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/comments?post=1467"}],"version-history":[{"count":1,"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/posts\/1467\/revisions"}],"predecessor-version":[{"id":1468,"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/posts\/1467\/revisions\/1468"}],"wp:attachment":[{"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/media?parent=1467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/categories?post=1467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gearboxes-worm.top\/vi\/wp-json\/wp\/v2\/tags?post=1467"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}