{"id":5764,"date":"2025-12-24T05:24:46","date_gmt":"2025-12-24T05:24:46","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5764"},"modified":"2025-12-24T05:24:46","modified_gmt":"2025-12-24T05:24:46","slug":"shaft-hole-fit-tolerance-chart-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/shaft-hole-fit-tolerance-chart-guide\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn b\u1ea3ng dung sai l\u1eafp gh\u00e9p l\u1ed7 tr\u1ee5c"},"content":{"rendered":"
\n

Gi\u1edbi thi\u1ec7u v\u1ec1 dung sai l\u1eafp gh\u00e9p l\u1ed7 tr\u1ee5c<\/h2>\n

Dung sai l\u1eafp gh\u00e9p tr\u1ee5c v\u00e0 l\u1ed7 \u0111\u1ea3m b\u1ea3o s\u1ef1 gh\u00e9p n\u1ed1i ch\u00ednh x\u00e1c c\u00e1c b\u1ed9 ph\u1eadn, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y m\u00f3c. D\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n ISO 286-1:2010 v\u00e0 JIS B 0401-1:2016, c\u00e1c b\u1ea3ng n\u00e0y x\u00e1c \u0111\u1ecbnh gi\u1edbi h\u1ea1n cho c\u00e1c lo\u1ea1i l\u1eafp gh\u00e9p khe h\u1edf, chuy\u1ec3n ti\u1ebfp v\u00e0 \u00e9p ch\u1eb7t \u0111\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n l\u00ean \u0111\u1ebfn 500 mm. Vi\u1ec7c \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1ch s\u1ebd gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t.<\/p>\n

H\u01b0\u1edbng d\u1eabn quan tr\u1ecdng: Ch\u1ecdn c\u1ea5p \u0111\u1ed9 d\u1ef1a tr\u00ean lo\u1ea1i l\u1eafp gh\u00e9p\u2014v\u00ed d\u1ee5: h cho tr\u1ee5c l\u1eafp gh\u00e9p ki\u1ec3u ch\u1ea1y, H cho l\u1ed7. Dung sai t\u00ednh b\u1eb1ng \u03bcm; c\u1ea7n xem x\u00e9t kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh nh\u01b0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u.<\/p>\n<\/div>\n

\n

V\u00ed d\u1ee5 v\u1ec1 truy v\u1ea5n<\/h2>\n

C\u00e1c v\u00ed d\u1ee5 minh h\u1ecda c\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng cho ph\u1ea1m vi k\u00edch th\u01b0\u1edbc:<\/p>\n

Tr\u1ee5c: \u220510 h9<\/h3>\n

K\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n 10 mm, c\u1ea5p \u0111\u1ed9 h9: Gi\u1edbi h\u1ea1n +0 \/ -36 \u03bcm. Ph\u1ea1m vi: 9,964 mm \u0111\u1ebfn 10 mm. Th\u00edch h\u1ee3p cho ki\u1ec3u d\u00e1ng r\u1ed9ng r\u00e3i khi ch\u1ea1y b\u1ed9.<\/p>\n

L\u1ed7: \u220510 H7<\/h3>\n

K\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n 10 mm, c\u1ea5p \u0111\u1ed9 H7: Gi\u1edbi h\u1ea1n +15 \/ 0 \u03bcm. Ph\u1ea1m vi: 10 mm \u0111\u1ebfn 10,015 mm. L\u00fd t\u01b0\u1edfng cho c\u00e1c v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t c\u00f3 kho\u1ea3ng tr\u1ed1ng t\u1ed1i thi\u1ec3u.<\/p>\n<\/div>\n

\n

B\u1ea3ng dung sai tr\u1ee5c<\/h2>\n

B\u1ea3ng n\u00e0y cung c\u1ea5p gi\u1edbi h\u1ea1n tr\u00ean\/d\u01b0\u1edbi (\u03bcm) cho c\u00e1c lo\u1ea1i tr\u1ee5c thu\u1ed9c c\u00e1c d\u1ea3i k\u00edch th\u01b0\u1edbc kh\u00e1c nhau. H\u00e0ng tr\u00ean: gi\u1edbi h\u1ea1n tr\u00ean; h\u00e0ng d\u01b0\u1edbi: gi\u1edbi h\u1ea1n d\u01b0\u1edbi. S\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft k\u1ebf tr\u1ee5c ch\u00ednh x\u00e1c trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
K\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n (mm)<\/th>\nb9<\/th>\nc9<\/th>\nd8<\/th>\nd9<\/th>\ne7<\/th>\ne8<\/th>\ne9<\/th>\nf6<\/th>\nf7<\/th>\nf8<\/th>\ng5<\/th>\ng6<\/th>\nh5<\/th>\nh6<\/th>\nh7<\/th>\nh8<\/th>\nh9<\/th>\njs5<\/th>\njs6<\/th>\njs7<\/th>\nk5<\/th>\nk6<\/th>\nm5<\/th>\nm6<\/th>\nn6<\/th>\ntrang 6<\/th>\nr6<\/th>\ns6<\/th>\nt6<\/th>\nu6<\/th>\nx6<\/th>\n<\/tr>\n
><\/th>\n\u2264<\/th>\nC\u00e1c c\u1ea5p dung sai tr\u1ee5c (\u03bcm)<\/th>\n<\/tr>\n<\/thead>\n
–<\/td>\n3<\/td>\n-140
\n-165<\/td>\n		-60
\n-85<\/td>\n		-20
\n-34<\/td>\n		-20
\n-45<\/td>\n		-14
\n-24<\/td>\n		-14
\n-28<\/td>\n		-14
\n-39<\/td>\n		-6
\n-12<\/td>\n		-6
\n-16<\/td>\n		-6
\n-20<\/td>\n		-2
\n-6<\/td>\n		-2
\n-8<\/td>\n		0
\n-4<\/td>\n		0
\n-6<\/td>\n		0
\n-10<\/td>\n		0
\n-14<\/td>\n		0
\n-25<\/td>\n		\u00b12<\/td>\n\u00b13<\/td>\n\u00b15<\/td>\n+4
\n0<\/td>\n		+6
\n0<\/td>\n		+6
\n+2<\/td>\n		+8
\n+2<\/td>\n		+10
\n+4<\/td>\n		+12
\n+6<\/td>\n		+16
\n+10<\/td>\n		+20
\n+14<\/td>\n		–<\/td>\n+24
\n+18<\/td>\n		+26
\n+20<\/td>\n<\/tr>\n
3<\/td>\n6<\/td>\n-140
\n-170<\/td>\n		-70
\n-100<\/td>\n		-30
\n-48<\/td>\n		-30
\n-60<\/td>\n		-20
\n-32<\/td>\n		-20
\n-38<\/td>\n		-20
\n-50<\/td>\n		-10
\n-18<\/td>\n		-10
\n-22<\/td>\n		-10
\n-28<\/td>\n		-4
\n-9<\/td>\n		-4
\n-12<\/td>\n		0
\n-5<\/td>\n		0
\n-8<\/td>\n		0
\n-12<\/td>\n		0
\n-18<\/td>\n		0
\n-30<\/td>\n		\u00b12,5<\/td>\n\u00b14<\/td>\n+6
\n+1<\/td>\n		+9
\n+1<\/td>\n		+9
\n+4<\/td>\n		+12
\n+4<\/td>\n		+16
\n+8<\/td>\n		+20
\n+12<\/td>\n		+23
\n+15<\/td>\n		+27
\n+19<\/td>\n		–<\/td>\n+31
\n+23<\/td>\n		+36
\n+28<\/td>\n<\/tr>\n
6<\/td>\n10<\/td>\n-150
\n-186<\/td>\n		-80
\n-116<\/td>\n		-40
\n-62<\/td>\n		-40
\n-76<\/td>\n		-25
\n-40<\/td>\n		-25
\n-47<\/td>\n		-25
\n-61<\/td>\n		-13
\n-22<\/td>\n		-13
\n-28<\/td>\n		-13
\n-35<\/td>\n		-5
\n-11<\/td>\n		-5
\n-14<\/td>\n		0
\n-6<\/td>\n		0
\n-9<\/td>\n		0
\n-15<\/td>\n		0
\n-22<\/td>\n		0
\n-36<\/td>\n		\u00b13<\/td>\n\u00b14,5<\/td>\n+7
\n+1<\/td>\n		+10
\n+1<\/td>\n		+12
\n+6<\/td>\n		+15
\n+6<\/td>\n		+19
\n+10<\/td>\n		+24
\n+15<\/td>\n		+28
\n+19<\/td>\n		+32
\n+23<\/td>\n		–<\/td>\n+37
\n+28<\/td>\n		+43
\n+34<\/td>\n<\/tr>\n
10<\/td>\n18<\/td>\n-150
\n-193<\/td>\n		-95
\n-138<\/td>\n		-50
\n-77<\/td>\n		-50
\n-93<\/td>\n		-32
\n-50<\/td>\n		-32
\n-59<\/td>\n		-32
\n-75<\/td>\n		-16
\n-27<\/td>\n		-16
\n-34<\/td>\n		-16
\n-43<\/td>\n		-6
\n-14<\/td>\n		-6
\n-17<\/td>\n		0
\n-8<\/td>\n		0
\n-11<\/td>\n		0
\n-18<\/td>\n		0
\n-27<\/td>\n		0
\n-43<\/td>\n		\u00b14<\/td>\n\u00b15,5<\/td>\n+9
\n+1<\/td>\n		+12
\n+1<\/td>\n		+15
\n+7<\/td>\n		+18
\n+7<\/td>\n		+23
\n+12<\/td>\n		+29
\n+18<\/td>\n		+34
\n+23<\/td>\n		+39
\n+28<\/td>\n		–<\/td>\n+44
\n+33<\/td>\n		+51
\n+40<\/td>\n<\/tr>\n

<\/tbody>\n<\/table>\n<\/div>\n

L\u01b0u \u00fd: Gi\u00e1 tr\u1ecb ph\u00eda tr\u00ean l\u00e0 gi\u1edbi h\u1ea1n tr\u00ean, gi\u00e1 tr\u1ecb ph\u00eda d\u01b0\u1edbi l\u00e0 gi\u1edbi h\u1ea1n d\u01b0\u1edbi. \u0110\u1ec3 c\u00f3 d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7, vui l\u00f2ng tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n.<\/p>\n<\/div>\n

\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
    \n
  1. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u1ed9 dung sai ph\u00f9 h\u1ee3p cho gi\u00e0y ch\u1ea1y b\u1ed9?<\/strong>
    \nCh\u1ecdn h6 ho\u1eb7c h7 cho c\u00e1c tr\u1ee5c c\u00f3 l\u1ed7 H7 \u0111\u1ec3 quay tr\u01a1n tru; \u0111i\u1ec1u ch\u1ec9nh theo t\u1ed1c \u0111\u1ed9 v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 r\u01a1.<\/li>\n
  2. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ti\u00eau chu\u1ea9n ISO 286 v\u00e0 JIS B 0401 l\u00e0 g\u00ec?<\/strong>
    \nC\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u00e0i h\u00f2a; JIS ph\u00f9 h\u1ee3p v\u1edbi ISO \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch qu\u1ed1c t\u1ebf, nh\u01b0ng c\u1ea7n ki\u1ec3m tra c\u00e1c phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng kh\u00e1c bi\u1ec7t nh\u1ecf.<\/li>\n
  3. T\u1ea1i sao dung sai l\u1ea1i \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u03bcm?<\/strong>
    \nTh\u01b0\u1edbc \u0111o micromet cho ph\u00e9p \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u1ed1i v\u1edbi nh\u1eefng sai l\u1ec7ch nh\u1ecf; \u0111\u1ec3 gia c\u00f4ng th\u1ef1c t\u1ebf, h\u00e3y chuy\u1ec3n \u0111\u1ed5i sang milim\u00e9t b\u1eb1ng c\u00e1ch chia cho 1000.<\/li>\n
  4. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 v\u1eeba v\u1eb7n nh\u01b0 th\u1ebf n\u00e0o?<\/strong>
    \nS\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i khe h\u1edf; n\u00ean s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh dung sai cho ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
  5. N\u1ebfu k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n n\u1eb1m gi\u1eefa c\u00e1c kho\u1ea3ng th\u00ec sao?<\/strong>
    \nN\u1ed9i suy ho\u1eb7c s\u1eed d\u1ee5ng ph\u1ea1m vi g\u1ea7n nh\u1ea5t; \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n, h\u00e3y tham kh\u1ea3o c\u00e1c b\u1ea3ng ti\u00eau chu\u1ea9n \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m.<\/li>\n<\/ol>\n<\/div>\n

     <\/p>","protected":false},"excerpt":{"rendered":"

    Introduction to Shaft Hole Fit Tolerance Shaft and hole fit tolerances ensure precise mating of components, critical for functionality in machinery. Based on ISO 286-1:2010 and JIS B 0401-1:2016, these tables define limits for clearance, transition, and interference fits up to 500 mm basic sizes. Proper application minimizes assembly issues and enhances performance. Key guidance: […]<\/p>","protected":false},"author":2,"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":[220],"tags":[],"class_list":["post-5764","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5764"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5764\/revisions"}],"predecessor-version":[{"id":5766,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5764\/revisions\/5766"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5764"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}