Ti\u00eau chu\u1ea9n GB\/T 2516-2003 quy \u0111\u1ecbnh c\u00e1c sai l\u1ec7ch gi\u1edbi h\u1ea1n cho ren v\u00edt h\u1ec7 m\u00e9t th\u00f4ng th\u01b0\u1eddng, cung c\u1ea5p c\u00e1c dung sai c\u1ea7n thi\u1ebft cho s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thay th\u1ebf v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c chi ti\u1ebft ren trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 m\u00e1y m\u00f3c. N\u00f3 bao g\u1ed3m c\u00e1c sai l\u1ec7ch v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, b\u01b0\u1edbc ren v\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf t\u00ednh b\u1eb1ng micromet, \u00e1p d\u1ee5ng cho ren c\u00f3 b\u01b0\u1edbc ren t\u1eeb 0,2 mm \u0111\u1ebfn 8 mm v\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn c\u01a1 b\u1ea3n l\u00ean \u0111\u1ebfn 355 mm. Hi\u1ec3u r\u00f5 c\u00e1c sai l\u1ec7ch n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c v\u00f9ng dung sai th\u00edch h\u1ee3p nh\u01b0 4H, 5G, 6H, v.v., c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed.<\/p>\n
Ti\u00eau chu\u1ea9n n\u00e0y thay th\u1ebf c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 ISO 965, th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch to\u00e0n c\u1ea7u. C\u00e1c l\u1ee3i \u00edch ch\u00ednh bao g\u1ed3m gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m th\u00f4ng qua vi\u1ec7c ki\u1ec3m so\u00e1t \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 kh\u1edbp n\u1ed1i.<\/p>\n
Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c ren v\u00edt h\u1ec7 m\u00e9t th\u00f4ng d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong GB\/T 193, ngo\u1ea1i tr\u1eeb c\u00e1c ren chuy\u00ean d\u1ee5ng nh\u01b0 ren d\u00f9ng cho c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c giai \u0111o\u1ea1n thi\u1ebft k\u1ebf, s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 l\u1ec7ch tr\u00ean (ES\/es) v\u00e0 \u0111\u1ed9 l\u1ec7ch d\u01b0\u1edbi (EI\/ei) cho ren trong v\u00e0 ren ngo\u00e0i.<\/p>\n
Tr\u00ean th\u1ef1c t\u1ebf, h\u00e3y l\u1ef1a ch\u1ecdn dung sai d\u1ef1a tr\u00ean y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng: dung sai ch\u1eb7t h\u01a1n cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p t\u1ea3i tr\u1ecdng cao, dung sai l\u1ecfng h\u01a1n cho vi\u1ec7c l\u1eafp r\u00e1p th\u00f4ng th\u01b0\u1eddng.<\/p>\n
\u0110\u1ec3 \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, h\u00e3y l\u00e0m quen v\u1edbi c\u00e1c thu\u1eadt ng\u1eef sau:<\/p>\n
Sai l\u1ec7ch \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng micromet (\u00b5m), gi\u00e1 tr\u1ecb d\u01b0\u01a1ng th\u1ec3 hi\u1ec7n m\u1ee9c cho ph\u00e9p cao h\u01a1n gi\u00e1 tr\u1ecb danh ngh\u0129a, gi\u00e1 tr\u1ecb \u00e2m th\u1ec3 hi\u1ec7n m\u1ee9c cho ph\u00e9p th\u1ea5p h\u01a1n.<\/p>\n
Ren trong (\u0111ai \u1ed1c) c\u00f3 c\u00e1c dung sai \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh cho \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong. ES bi\u1ec3u th\u1ecb gi\u1edbi h\u1ea1n tr\u00ean, EI bi\u1ec3u th\u1ecb gi\u1edbi h\u1ea1n d\u01b0\u1edbi. V\u00ed d\u1ee5, trong v\u00f9ng dung sai 6H, c\u00e1c dung sai \u0111\u1ea3m b\u1ea3o s\u1ef1 l\u1eafp gh\u00e9p c\u00f3 khe h\u1edf v\u1edbi ren ngo\u00e0i. Lu\u00f4n lu\u00f4n ki\u1ec3m tra so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh trong v\u00e0 b\u01b0\u1edbc ren c\u01a1 b\u1ea3n \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng \u00e9p ch\u1eb7t.<\/p>\n
M\u1eb9o th\u1ef1c t\u1ebf: S\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng nh\u01b0 n\u00fat ki\u1ec3m tra \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t \u0111\u1ec3 ki\u1ec3m tra s\u1ef1 ph\u00f9 h\u1ee3p, \u0111\u1ea3m b\u1ea3o c\u00e1c ren \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n t\u1ed1i thi\u1ec3u.<\/p>\n
Ren ngo\u00e0i (bu l\u00f4ng) bao g\u1ed3m c\u00e1c sai l\u1ec7ch v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong (li\u00ean quan \u0111\u1ebfn \u1ee9ng su\u1ea5t). C\u00e1c gi\u00e1 tr\u1ecb es\/ei \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb \u00e2m th\u01b0\u1eddng th\u1ea5y \u0111\u1ed1i v\u1edbi ren ngo\u00e0i \u0111\u1ec3 t\u1ea1o kho\u1ea3ng dung sai. V\u00ed d\u1ee5, v\u00f9ng 6g cung c\u1ea5p dung sai trung b\u00ecnh ph\u00f9 h\u1ee3p v\u1edbi m\u00e1y m\u00f3c th\u00f4ng th\u01b0\u1eddng.<\/p>\n
H\u01b0\u1edbng d\u1eabn: Trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 rung cao, h\u00e3y ch\u1ecdn c\u00e1c v\u00f9ng h\u1eb9p h\u01a1n nh\u01b0 4h \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u1edbi l\u1ecfng.<\/p>\n
C\u00e1c b\u1ea3ng sau \u0111\u00e2y tr\u00ecnh b\u00e0y \u0111\u1ed9 l\u1ec7ch gi\u1edbi h\u1ea1n t\u00ednh b\u1eb1ng micromet (\u00b5m) cho c\u00e1c b\u01b0\u1edbc ren v\u00e0 \u0111\u01b0\u1eddng k\u00ednh \u0111\u01b0\u1ee3c ch\u1ecdn, \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn v\u00e0 s\u1eafp x\u1ebfp t\u1eeb ti\u00eau chu\u1ea9n GB\/T 2516-2003. C\u00e1c gi\u00e1 tr\u1ecb \u00e1p d\u1ee5ng cho c\u00e1c v\u00f9ng dung sai th\u00f4ng th\u01b0\u1eddng. \u0110\u1ec3 bi\u1ebft th\u00f4ng tin chi ti\u1ebft \u0111\u1ea7y \u0111\u1ee7, vui l\u00f2ng tham kh\u1ea3o t\u00e0i li\u1ec7u ti\u00eau chu\u1ea9n ch\u00ednh th\u1ee9c.<\/p>\n
| \u0110\u01b0\u1eddng k\u00ednh l\u1edbn c\u01a1 b\u1ea3n (mm)<\/th>\n | T\u1eeb ><\/th>\n | \u0110\u1ebfn \u2264<\/th>\n | B\u01b0\u1edbc ren (mm)<\/th>\n | V\u00f9ng dung sai ren trong<\/th>\n | V\u00f9ng dung sai ren ngo\u00e0i<\/th>\n<\/tr>\n | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Th\u1ea5p h\u01a1n<\/th>\n | Tr\u00ean<\/th>\n | Th\u1ea5p h\u01a1n<\/th>\n | Tr\u00ean<\/th>\n | 4H (ES)<\/th>\n | 5G\/5H<\/th>\n | 6G\/6H<\/th>\n | 7G\/7H<\/th>\n | 8G\/8H<\/th>\n | 4 gi\u1edd (ti\u1ebfng T\u00e2y Ban Nha)<\/th>\n | 5g\/5h<\/th>\n | 6g\/6h<\/th>\n | 7g\/7h<\/th>\n | 8g\/8h<\/th>\n | \u0110\u1ed9 l\u1ec7ch \u1ee9ng su\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n |
| 0.99 – 1.4<\/td>\n | 0.99<\/td>\n | 1.4<\/td>\n | 0.2<\/td>\n | \/<\/td>\n | 40<\/td>\n | \/<\/td>\n | \/<\/td>\n | \/<\/td>\n | \/<\/td>\n | 0<\/td>\n | \/<\/td>\n | \/<\/td>\n | \/<\/td>\n | \/<\/td>\n<\/tr>\n |
| 1.4 – 2.8<\/td>\n | 1.4<\/td>\n | 2.8<\/td>\n | 0.25<\/td>\n | \/<\/td>\n | 45<\/td>\n | 74<\/td>\n | 76<\/td>\n | \/<\/td>\n | \/<\/td>\n | 0<\/td>\n | 18<\/td>\n | 0<\/td>\n | \/<\/td>\n | \/<\/td>\n<\/tr>\n <\/p>\n |
| 180 – 355<\/td>\n | 180<\/td>\n | 355<\/td>\n | 8<\/td>\n | \/<\/td>\n | 300<\/td>\n | 475<\/td>\n | 375<\/td>\n | \/<\/td>\n | \/<\/td>\n | \/<\/td>\n | 575<\/td>\n | 475<\/td>\n | \/<\/td>\n | 700<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n L\u01b0u \u00fd: '\/' bi\u1ec3u th\u1ecb kh\u00f4ng \u00e1p d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c b\u01b0\u1edbc ren nh\u01b0 8 mm, ch\u1ec9 \u00e1p d\u1ee5ng cho \u0111\u01b0\u1eddng k\u00ednh \u2265125 mm. Tham kh\u1ea3o ti\u00eau chu\u1ea9n \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 bi\u1ebft d\u1eef li\u1ec7u chi ti\u1ebft.<\/p>\n C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<\/p>","protected":false},"excerpt":{"rendered":" Introduction to the B\/T 2516-2003 Standard GB\/T 2516-2003 specifies the limit deviations for ordinary metric screw threads, providing essential tolerances for manufacturing and quality control in mechanical engineering. This standard ensures interchangeability and reliability of threaded components across various industries, such as automotive, aerospace, and machinery. It covers deviations for major, pitch, and minor diameters […]<\/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-5771","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\/5771","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=5771"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5771\/revisions"}],"predecessor-version":[{"id":5773,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5771\/revisions\/5773"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5771"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} |