{"id":5578,"date":"2025-12-19T09:10:01","date_gmt":"2025-12-19T09:10:01","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5578"},"modified":"2025-12-19T09:10:01","modified_gmt":"2025-12-19T09:10:01","slug":"mechanical-performance-standards-for-torque-controlled-steel-lock-nuts-per-gb-t-3098-9-2020","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/mechanical-performance-standards-for-torque-controlled-steel-lock-nuts-per-gb-t-3098-9-2020\/","title":{"rendered":"Ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc cho \u0111ai \u1ed1c kh\u00f3a th\u00e9p \u0111i\u1ec1u khi\u1ec3n momen xo\u1eafn theo ti\u00eau chu\u1ea9n GB\/T 3098.9-2020"},"content":{"rendered":"
\n

<\/h1>\n
\n

Gi\u1edbi thi\u1ec7u<\/h2>\n

Ti\u00eau chu\u1ea9n GB\/T 3098.9-2020 quy \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a \u0111ai \u1ed1c kh\u00f3a th\u00e9p \u0111i\u1ec1u khi\u1ec3n momen xo\u1eafn, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p hi\u1ec7u su\u1ea5t kh\u00f3a \u0111\u00e1ng tin c\u1eady th\u00f4ng qua momen xo\u1eafn duy tr\u00ec. Ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m c\u00e1c c\u1ea5p \u0111\u1ed9 \u0111\u1eb7c t\u00ednh 04, 05, 5, 6, 8 v\u00e0 10 cho \u0111ai \u1ed1c c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ren t\u1eeb M5 \u0111\u1ebfn M39. N\u00f3 x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 l\u1ef1c k\u1eb9p th\u1eed nghi\u1ec7m v\u00e0 momen xo\u1eafn duy tr\u00ec trong c\u00e1c chu k\u1ef3 l\u1eafp \u0111\u1eb7t v\u00e0 th\u00e1o g\u1ee1, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n trong c\u00e1c \u1ee9ng d\u1ee5ng bu\u1ed9c ch\u1eb7t. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 m\u00e1y m\u00f3c, n\u01a1i kh\u1ea3 n\u0103ng ch\u1ed1ng rung l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n

Ti\u00eau chu\u1ea9n n\u00e0y ph\u00e2n bi\u1ec7t gi\u1eefa \u0111ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i v\u00e0 lo\u1ea1i c\u00f3 ch\u00e8n phi kim lo\u1ea1i, v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho lo\u1ea1i th\u1ee9 hai. L\u1ef1c k\u1eb9p \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan nh\u01b0 GB\/T 3098.2 cho \u0111ai \u1ed1c v\u00e0 GB\/T 3098.1 cho bu l\u00f4ng.<\/p>\n<\/section>\n

\n

Ki\u1ec3m tra l\u1ef1c k\u1eb9p v\u00e0 m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh cho lo\u1ea1i v\u1eadt li\u1ec7u 04<\/h2>\n

\u0110\u1ed1i v\u1edbi \u0111ai \u1ed1c kh\u00f3a lo\u1ea1i 04 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 5 mm \u0111\u1ebfn 39 mm, l\u1ef1c k\u1eb9p th\u1eed nghi\u1ec7m (F)80<\/sub>) b\u1eb1ng 80% c\u1ee7a t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m theo GB\/T 3098.2. Gi\u1edbi h\u1ea1n tr\u00ean (F75<\/sub>) l\u00e0 75% c\u1ee7a t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m, gi\u1edbi h\u1ea1n d\u01b0\u1edbi (F)65<\/sub>) l\u00e0 t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m 65%.<\/p>\n

\n\n\n\n\n\n\n<\/p>\n\n
Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ren<\/th>\nGi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n
M5 \u0111\u1ebfn M39X3<\/th>\n<\/tr>\n
Ki\u1ec3m tra l\u1ef1c k\u1eb9p F80<\/sub> \/ N<\/th>\n<\/tr>\n
Gi\u1edbi h\u1ea1n tr\u00ean F75<\/sub> \/ N<\/th>\nL\u1ef1c k\u1eb9p \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 h\u1ec7 s\u1ed1 ma s\u00e1t t\u1ed5ng c\u1ed9ng (\u03bc)t\u1ed5ng c\u1ed9ng<\/sub>)<\/th>\nGi\u1edbi h\u1ea1n d\u01b0\u1edbi F65<\/sub> \/ N<\/th>\nM\u00f4men xo\u1eafn ch\u1ee7 \u0111\u1ea1o \/ (N\u00b7m)<\/th>\n\u0110\u1ea7u ti\u00ean tr\u00ean Max TFV,max<\/sub><\/th>\n1st Off Min TFd, ph\u00fat<\/sub><\/th>\nGi\u1ea3m gi\u00e1 ph\u00fat th\u1ee9 5Fd, ph\u00fat<\/sub><\/th>\n<\/tr>\n<\/thead>\n
M5<\/td>\n4320<\/td>\n4050<\/td>\n3510<\/td>\n1.6<\/td>\n0.29<\/td>\n0.2<\/td>\n

<\/tr>\n

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

Ghi ch\u00fa: Gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh ch\u1ec9 \u00e1p d\u1ee5ng cho \u0111ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i; \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i \u0111ai \u1ed1c c\u00f3 ch\u00e8n phi kim lo\u1ea1i, gi\u00e1 tr\u1ecb t\u1ed1i \u0111a l\u00e0 50%. Vi\u1ec7c \u0111\u00e1nh gi\u00e1 b\u1eb1ng SPC kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea.<\/p>\n<\/section>\n

<\/p>\n

\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
\n
Theo ti\u00eau chu\u1ea9n n\u00e0y, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111ai \u1ed1c kh\u00f3a ch\u00e8n ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i v\u00e0 \u0111ai \u1ed1c kh\u00f3a ch\u00e8n kh\u00f4ng ph\u1ea3i b\u1eb1ng kim lo\u1ea1i l\u00e0 g\u00ec?<\/dt>\n
\u0110ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i s\u1eed d\u1ee5ng to\u00e0n b\u1ed9 gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn quy \u0111\u1ecbnh, trong khi c\u00e1c lo\u1ea1i \u0111ai \u1ed1c c\u00f3 ch\u00e8n phi kim lo\u1ea1i b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 50% c\u1ee7a c\u00e1c gi\u00e1 tr\u1ecb t\u1ed1i \u0111a \u0111\u00f3 \u0111\u1ec3 t\u00ednh \u0111\u1ebfn \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u c\u1ee7a ph\u1ea7n ch\u00e8n.<\/dd>\n
L\u1ef1c k\u1eb9p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ed1i v\u1edbi \u0111ai \u1ed1c lo\u1ea1i 5?<\/dt>\n
\u0110\u1ed1i v\u1edbi c\u1ea5p \u0111\u1ed9 b\u1ec1n 5, l\u1ef1c k\u1eb9p F80<\/sub> 80% l\u00e0 t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m cho bu l\u00f4ng c\u1ea5p 5.8 theo ti\u00eau chu\u1ea9n GB\/T 3098.1; \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng k\u00ednh >24 mm, s\u1eed d\u1ee5ng t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m c\u1ee7a bu l\u00f4ng c\u1ea5p 4.8.<\/dd>\n
T\u1ea1i sao l\u1ea1i c\u00f3 gi\u1edbi h\u1ea1n tr\u00ean v\u00e0 gi\u1edbi h\u1ea1n d\u01b0\u1edbi cho l\u1ef1c k\u1eb9p?<\/dt>\n
C\u00e1c gi\u1edbi h\u1ea1n n\u00e0y (t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m 75% v\u00e0 65%) \u0111\u1ea3m b\u1ea3o vi\u1ec7c \u0111\u00e1nh gi\u00e1 h\u1ec7 s\u1ed1 ma s\u00e1t nh\u1ea5t qu\u00e1n, c\u00f3 t\u00ednh \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadt li\u1ec7u.<\/dd>\n
Gi\u00e1 tr\u1ecb momen xo\u1eafn hi\u1ec7n h\u00e0nh th\u1ee9 5 bi\u1ec3u th\u1ecb \u0111i\u1ec1u g\u00ec?<\/dt>\n
N\u00f3 th\u1ec3 hi\u1ec7n m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft sau n\u0103m chu k\u1ef3 l\u1eafp \u0111\u1eb7t\/th\u00e1o g\u1ee1, x\u00e1c minh \u0111\u1ed9 b\u1ec1n hi\u1ec7u su\u1ea5t kh\u00f3a c\u1ee7a \u0111ai \u1ed1c khi s\u1eed d\u1ee5ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/dd>\n
Ti\u00eau chu\u1ea9n GB\/T 3098.9-2020 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 nh\u01b0 th\u1ebf n\u00e0o v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 \u1ed1c v\u00edt kh\u00e1c?<\/dt>\n
Ti\u00eau chu\u1ea9n n\u00e0y tham chi\u1ebfu GB\/T 3098.1 v\u1ec1 t\u1ea3i tr\u1ecdng ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ee7a bu l\u00f4ng v\u00e0 GB\/T 3098.2 v\u1ec1 t\u1ea3i tr\u1ecdng ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ee7a \u0111ai \u1ed1c, \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch trong c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng.<\/dd>\n<\/dl>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

Introduction GB\/T 3098.9-2020 specifies the mechanical properties of torque-controlled steel lock nuts, which are designed to provide reliable locking performance through prevailing torque. This standard covers property classes including 04, 05, 5, 6, 8, and 10 for nuts with thread diameters from M5 to M39. It defines requirements for test clamping forces and prevailing torques […]<\/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-5578","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\/5578","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=5578"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5578\/revisions"}],"predecessor-version":[{"id":5580,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5578\/revisions\/5580"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5578"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}