{"id":5882,"date":"2025-12-26T01:00:32","date_gmt":"2025-12-26T01:00:32","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5882"},"modified":"2025-12-26T01:00:32","modified_gmt":"2025-12-26T01:00:32","slug":"stainless-carbon-steel-bolt-breaking-torques","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/stainless-carbon-steel-bolt-breaking-torques\/","title":{"rendered":"M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 bu l\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00e9p carbon"},"content":{"rendered":"<h2 style=\"font-size: 1.8em; color: #0056b3; margin-top: 40px; border-bottom: 2px solid #ddd; padding-bottom: 10px;\">Gi\u1edbi thi\u1ec7u v\u1ec1 m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 trong bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt<\/h2>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed, m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 c\u1ee7a bu l\u00f4ng ho\u1eb7c v\u00edt l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng cho bi\u1ebft \u1ee9ng su\u1ea5t xo\u1eafn t\u1ed1i \u0111a m\u00e0 chi ti\u1ebft l\u1eafp gh\u00e9p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb h\u1ecfng. Gi\u00e1 tr\u1ecb n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c quy tr\u00ecnh l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng m\u00f4-men xo\u1eafn, v\u00ec vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng trong c\u00e1c k\u1ebft c\u1ea5u, m\u00e1y m\u00f3c ho\u1eb7c thi\u1ebft b\u1ecb. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 bao g\u1ed3m th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, h\u00ecnh d\u1ea1ng ren, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t. \u0110\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf quan tr\u1ecdng, l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, trong khi th\u00e9p carbon mang l\u1ea1i \u0111\u1ed9 b\u1ec1n cao h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u.<\/p>\n<p style=\"text-align: justify; margin-bottom: 20px;\">C\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c n\u00eau trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 an to\u00e0n. Ti\u00eau chu\u1ea9n GB 3098.6-2000 quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 Austenit, ph\u00e2n lo\u1ea1i ch\u00fang th\u00e0nh c\u00e1c c\u1ea5p \u0111\u1ed9 b\u1ec1n 50, 70 v\u00e0 80 d\u1ef1a tr\u00ean \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1eb7c t\u00ednh ch\u1ea3y d\u1ebbo. T\u01b0\u01a1ng t\u1ef1, ti\u00eau chu\u1ea9n GB 3098.13 quy \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi bu l\u00f4ng th\u00e9p cacbon \u1edf c\u00e1c c\u1ea5p \u0111\u1ed9 8.8, 9.8, 10.9 v\u00e0 12.9, th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng t\u0103ng d\u1ea7n. C\u00e1c c\u1ea5p \u0111\u1ed9 n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a (UTS) v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 20px;\">\n<li>C\u1ea5p \u0111\u1ed9 b\u1ec1n 50: Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i th\u1ea5p v\u1edbi \u0111\u1ed9 b\u1ec1n trung b\u00ecnh.<\/li>\n<li>Lo\u1ea1i v\u1eadt li\u1ec7u 70: \u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo c\u00e2n b\u1eb1ng, th\u00edch h\u1ee3p cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng chung.<\/li>\n<li>Lo\u1ea1i v\u1eadt li\u1ec7u 80: \u1ee8ng d\u1ee5ng c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/li>\n<\/ul>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Khi si\u1ebft ch\u1eb7t c\u00e1c chi ti\u1ebft n\u00e0y, k\u1ef9 s\u01b0 ph\u1ea3i xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 b\u00f4i tr\u01a1n, chi\u1ec1u d\u00e0i ren \u0103n kh\u1edbp v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. V\u00ed d\u1ee5, ren kh\u00f4 c\u00f3 th\u1ec3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t ren trong th\u00e9p kh\u00f4ng g\u1ec9. Lu\u00f4n lu\u00f4n ki\u1ec3m tra l\u1ea1i v\u1edbi c\u00e1c phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n m\u1edbi nh\u1ea5t v\u00e0 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m th\u1ef1c nghi\u1ec7m \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p quan tr\u1ecdng.<\/p>\n<h2 style=\"font-size: 1.8em; color: #0056b3; margin-top: 40px; border-bottom: 2px solid #ddd; padding-bottom: 10px;\">M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 c\u1ee7a bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt th\u00e9p kh\u00f4ng g\u1ec9 Austenit<\/h2>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenit, ch\u1eb3ng h\u1ea1n nh\u01b0 AISI 304 ho\u1eb7c 316, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1edd kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u1ea1o h\u00ecnh tuy\u1ec7t v\u1eddi. C\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u00ean d\u01b0\u1edbi l\u00e0 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u t\u1eeb ti\u00eau chu\u1ea9n GB 3098.6-2000. Ch\u00fang \u00e1p d\u1ee5ng cho bu l\u00f4ng v\u00e0 v\u00edt c\u00f3 ren h\u1ec7 m\u00e9t ti\u00eau chu\u1ea9n. B\u1ea3ng li\u1ec7t k\u00ea c\u00e1c gi\u00e1 tr\u1ecb cho c\u00e1c c\u1ea5p \u0111\u1ed9 b\u1ec1n 50, 70 v\u00e0 80, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Newton-m\u00e9t (N\u00b7m). C\u00e1c c\u1ea5p \u0111\u1ed9 cao h\u01a1n cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ecbu xo\u1eafn l\u1edbn h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng kh\u1eaft khe h\u01a1n.<\/p>\n<p style=\"text-align: justify; margin-bottom: 20px;\">\u0110\u1ec3 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3:<\/p>\n<ol style=\"list-style-type: decimal; margin-left: 20px; margin-bottom: 20px;\">\n<li>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ren (v\u00ed d\u1ee5: M6) v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n c\u1ea7n thi\u1ebft d\u1ef1a tr\u00ean ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t \u1ee9ng d\u1ee5ng.<\/li>\n<li>Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, h\u00e3y si\u1ebft l\u1ef1c t\u1eeb t\u1eeb \u0111\u1ec3 tr\u00e1nh v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p.<\/li>\n<li>C\u1ea7n t\u00ednh \u0111\u1ebfn h\u1ec7 s\u1ed1 an to\u00e0n, th\u01b0\u1eddng l\u00e0 t\u1eeb 1,5 \u0111\u1ebfn 2,0, t\u00f9y thu\u1ed9c v\u00e0o ng\u00e0nh c\u00f4ng nghi\u1ec7p (v\u00ed d\u1ee5: h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 so v\u1edbi \u00f4 t\u00f4).<\/li>\n<\/ol>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 0.9em;\">\n<thead>\n<tr style=\"background-color: #f2f2f2; text-align: center;\">\n<th style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">Ch\u1ee7 \u0111\u1ec1<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\" colspan=\"3\">M\u00f4men xo\u1eafn ph\u00e1 v\u1ee1 Tm (N\u00b7m)<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2; text-align: center;\">\n<th style=\"border: 1px solid #ddd; padding: 8px;\" colspan=\"3\">L\u1edbp t\u00e0i s\u1ea3n<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2; text-align: center;\">\n<th style=\"border: 1px solid #ddd; padding: 8px;\">50<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">70<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">80<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.24<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.48<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.96<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.3<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.8<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">37<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">46<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">65<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">74<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">80<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">110<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">130<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">210<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">290<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">330<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify; margin-bottom: 20px;\">L\u01b0u \u00fd: C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y d\u00e0nh cho ren ti\u00eau chu\u1ea9n v\u00e0 n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m h\u01b0\u1edbng d\u1eabn t\u1ed1i thi\u1ec3u. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng t\u00f9y ch\u1ec9nh, h\u00e3y tham kh\u1ea3o ti\u00eau chu\u1ea9n GB 3098.6-2000 \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 bi\u1ebft th\u00eam dung sai v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m. Tr\u00ean th\u1ef1c t\u1ebf, th\u1eed nghi\u1ec7m m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 bao g\u1ed3m vi\u1ec7c k\u1eb9p ch\u1eb7t chi ti\u1ebft l\u1eafp gh\u00e9p v\u00e0 t\u0103ng d\u1ea7n m\u00f4-men xo\u1eafn cho \u0111\u1ebfn khi g\u00e3y, \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ef1 h\u1ecfng h\u00f3c x\u1ea3y ra \u1edf ph\u1ea7n ren.<\/p>\n<h2 style=\"font-size: 1.8em; color: #0056b3; margin-top: 40px; border-bottom: 2px solid #ddd; padding-bottom: 10px;\">M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 c\u1ee7a bu l\u00f4ng th\u00e9p cacbon (m\u00e1c 8.8, 9.8, 10.9, 12.9)<\/h2>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Bu l\u00f4ng th\u00e9p cacbon \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n cao, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i n\u1eb7ng nh\u01b0 x\u00e2y d\u1ef1ng v\u00e0 \u00f4 t\u00f4. B\u1ea3ng sau \u0111\u00e2y t\u1eeb ti\u00eau chu\u1ea9n GB 3098.13 li\u1ec7t k\u00ea c\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u t\u00ednh b\u1eb1ng N\u00b7m cho c\u00e1c m\u00e1c th\u00e9p t\u1eeb 8.8 \u0111\u1ebfn 12.9. C\u00e1c m\u00e1c th\u00e9p n\u00e0y t\u01b0\u01a1ng \u1ee9ng v\u1edbi ph\u1ea1m vi \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a (UTS): 800 MPa cho m\u00e1c 8.8, l\u00ean \u0111\u1ebfn 1200 MPa cho m\u00e1c 12.9. S\u1ef1 thay \u0111\u1ed5i b\u01b0\u1edbc ren \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn do s\u1ef1 thay \u0111\u1ed5i di\u1ec7n t\u00edch ch\u1ecbu l\u1ef1c.<\/p>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Nh\u1eefng \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd \u0111\u1ed1i v\u1edbi th\u00e9p cacbon:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 20px;\">\n<li>M\u00e1c th\u00e9p 8.8: Th\u00e9p cacbon trung b\u00ecnh, t\u00f4i v\u00e0 ram, d\u00f9ng cho c\u00e1c k\u1ebft c\u1ea5u x\u00e2y d\u1ef1ng th\u00f4ng th\u01b0\u1eddng.<\/li>\n<li>M\u00e1c th\u00e9p 10.9: Th\u00e9p h\u1ee3p kim d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng ch\u1ecbu t\u1ea3i tr\u1ecdng cao nh\u01b0 c\u1ea7u ho\u1eb7c m\u00e1y m\u00f3c.<\/li>\n<li>C\u1ea5p \u0111\u1ed9 12.9: \u0110\u1ed9 b\u1ec1n cao nh\u1ea5t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 ho\u1eb7c k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Ghi ch\u00fa trong ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh r\u1eb1ng c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u00e1p d\u1ee5ng cho dung sai ren 6g, 6f v\u00e0 6e, \u0111\u1ea3m b\u1ea3o s\u1ef1 l\u1eafp gh\u00e9p ch\u00ednh x\u00e1c v\u00e0 ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 0.9em;\">\n<thead>\n<tr style=\"background-color: #f2f2f2; text-align: center;\">\n<th style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">K\u00edch th\u01b0\u1edbc s\u1ee3i<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">B\u01b0\u1edbc ren (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\" colspan=\"4\">M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u (N\u00b7m)<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2; text-align: center;\">\n<th style=\"border: 1px solid #ddd; padding: 8px;\">8.8<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">9.8<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">10.9<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">12.9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.033<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.036<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.04<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.045<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.075<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.082<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.092<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.1<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.16<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.22<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.37<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.54<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.82<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.1<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.3<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.9<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">36<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">40<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">44<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8*1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">38<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">46<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">52<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">66<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">72<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">81<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">90<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10*1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">92<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">102<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">114<\/td>\n<\/tr>\n<tr style=\"text-align: center;\">\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10*1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">82<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">102<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify; margin-bottom: 20px;\">L\u01b0u \u00fd: Gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u \u00e1p d\u1ee5ng cho c\u00e1c ren c\u00f3 dung sai 6g, 6f, 6e. \u0110\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n ho\u1eb7c b\u01b0\u1edbc ren nh\u1ecf, h\u00e3y tham kh\u1ea3o ti\u00eau chu\u1ea9n GB 3098.13 \u0111\u1ea7y \u0111\u1ee7. Trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng m\u1ea1nh, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00e1c c\u01a1 c\u1ea5u kh\u00f3a \u0111\u1ec3 duy tr\u00ec t\u1ea3i tr\u01b0\u1edbc m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng qu\u00e1 m\u1ee9c m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1.<\/p>\n<h2 style=\"font-size: 1.8em; color: #0056b3; margin-top: 40px; border-bottom: 2px solid #ddd; padding-bottom: 10px;\">\u1ee8ng d\u1ee5ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n<p style=\"text-align: justify; margin-bottom: 20px;\">C\u00e1c ti\u00eau chu\u1ea9n m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, x\u00e2y d\u1ef1ng v\u00e0 k\u1ef9 thu\u1eadt h\u00e0ng h\u1ea3i. \u0110\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, h\u00e3y ch\u1ecdn lo\u1ea1i 80 cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n nh\u01b0 nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t. Th\u00e9p carbon lo\u1ea1i 12.9 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng cho c\u00e1c \u1ed5 tr\u1ee5c ch\u1ecbu t\u1ea3i cao ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1. C\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1t nh\u1ea5t bao g\u1ed3m hi\u1ec7u chu\u1ea9n d\u1ee5ng c\u1ee5 \u0111o m\u00f4-men xo\u1eafn th\u01b0\u1eddng xuy\u00ean, s\u1eed d\u1ee5ng h\u1ee3p ch\u1ea5t ch\u1ed1ng k\u1eb9t cho th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 gi\u1ea3m ma s\u00e1t v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng \u0111\u1ec3 x\u00e1c nh\u1eadn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n<p style=\"text-align: justify; margin-bottom: 20px;\">Ph\u00e2n t\u00edch so s\u00e1nh cho th\u1ea5y th\u00e9p cacbon th\u01b0\u1eddng c\u00f3 m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 cao h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 \u1edf c\u00f9ng k\u00edch th\u01b0\u1edbc do \u0111\u1ed9 c\u1ee9ng v\u01b0\u1ee3t tr\u1ed9i. Tuy nhi\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 l\u1ea1i c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh oxy h\u00f3a. C\u00e1c k\u1ef9 s\u01b0 n\u00ean t\u00ednh to\u00e1n m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft b\u1eb1ng c\u00e1c c\u00f4ng th\u1ee9c nh\u01b0 Tm = K * d^3 * \u03c4, trong \u0111\u00f3 K l\u00e0 h\u1eb1ng s\u1ed1, d l\u00e0 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 \u03c4 l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1eaft, \u0111\u1ec3 t\u00f9y ch\u1ec9nh cho t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3.<\/p>\n<h2 style=\"font-size: 1.8em; color: #0056b3; margin-top: 40px; border-bottom: 2px solid #ddd; padding-bottom: 10px;\">T\u00e0i li\u1ec7u tham kh\u1ea3o ti\u00eau chu\u1ea9n<\/h2>\n<p style=\"text-align: justify; margin-bottom: 20px;\">D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 20px;\">\n<li>GB 3098.6-2000: T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a c\u00e1c lo\u1ea1i \u1ed1c v\u00edt l\u00e0m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng \u0103n m\u00f2n \u2013 Bu l\u00f4ng, v\u00edt v\u00e0 \u0111inh t\u00e1n.<\/li>\n<li>GB 3098.13: T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a c\u00e1c lo\u1ea1i \u1ed1c v\u00edt \u2013 Th\u1eed nghi\u1ec7m xo\u1eafn v\u00e0 m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u \u0111\u1ed1i v\u1edbi bu l\u00f4ng v\u00e0 v\u00edt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a t\u1eeb 1 mm \u0111\u1ebfn 10 mm.<\/li>\n<\/ul>\n<p style=\"text-align: justify; margin-bottom: 20px;\">C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n ISO 3506 v\u00e0 ISO 898 v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch to\u00e0n c\u1ea7u.<\/p>\n<h2 style=\"font-size: 1.8em; color: #0056b3; margin-top: 40px; border-bottom: 2px solid #ddd; padding-bottom: 10px;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<div style=\"margin-bottom: 20px;\">\n<h3 style=\"font-size: 1.2em; margin-bottom: 10px;\">M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 v\u00e0 m\u00f4-men xo\u1eafn si\u1ebft ch\u1eb7t kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p style=\"text-align: justify;\">M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 l\u00e0 m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u g\u00e2y ra g\u00e3y v\u1ee1, trong khi m\u00f4-men xo\u1eafn si\u1ebft ch\u1eb7t l\u00e0 gi\u00e1 tr\u1ecb khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng tr\u01b0\u1edbc th\u00edch h\u1ee3p, th\u00f4ng th\u01b0\u1eddng l\u00e0 60-80% m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o bi\u00ean \u0111\u1ed9 an to\u00e0n.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"font-size: 1.2em; margin-bottom: 10px;\">B\u01b0\u1edbc ren \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 trong bu l\u00f4ng th\u00e9p carbon?<\/h3>\n<p style=\"text-align: justify;\">C\u00e1c b\u01b0\u1edbc ren nh\u1ecf h\u01a1n (v\u00ed d\u1ee5: M10*1 so v\u1edbi M10*1.5) l\u00e0m t\u0103ng di\u1ec7n t\u00edch ch\u1ecbu l\u1ef1c hi\u1ec7u d\u1ee5ng, d\u1eabn \u0111\u1ebfn m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 cao h\u01a1n, nh\u01b0 th\u1ec3 hi\u1ec7n trong b\u1ea3ng, trong \u0111\u00f3 M10*1 c\u00f3 gi\u00e1 tr\u1ecb cao h\u01a1n so v\u1edbi M10 ti\u00eau chu\u1ea9n.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"font-size: 1.2em; margin-bottom: 10px;\">Li\u1ec7u c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c lo\u1ea1i ren kh\u00f4ng ph\u1ea3i h\u1ec7 m\u00e9t kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">Kh\u00f4ng, nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng cho ren h\u1ec7 m\u00e9t theo ti\u00eau chu\u1ea9n Anh. \u0110\u1ed1i v\u1edbi ren UNC\/UNF, h\u00e3y tham kh\u1ea3o c\u00e1c th\u00f4ng s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng theo h\u1ec7 inch (SAE) ho\u1eb7c ASTM v\u00e0 chuy\u1ec3n \u0111\u1ed5i b\u1eb1ng c\u00e1c h\u1ec7 s\u1ed1 th\u00edch h\u1ee3p.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"font-size: 1.2em; margin-bottom: 10px;\">T\u1ea1i sao n\u00ean ch\u1ecdn th\u00e9p kh\u00f4ng g\u1ec9 thay v\u00ec th\u00e9p carbon cho m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng nh\u1ea5t \u0111\u1ecbnh?<\/h3>\n<p style=\"text-align: justify;\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c h\u00f3a ch\u1ea5t, m\u1eb7c d\u00f9 m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 th\u1ea5p h\u01a1n; n\u00ean s\u1eed d\u1ee5ng n\u00f3 \u1edf nh\u1eefng n\u01a1i m\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i quan tr\u1ecdng h\u01a1n nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n t\u1ed1i \u0111a.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"font-size: 1.2em; margin-bottom: 10px;\">H\u1ec7 s\u1ed1 an to\u00e0n n\u00e0o n\u00ean \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 n\u00e0y?<\/h3>\n<p style=\"text-align: justify;\">H\u1ec7 s\u1ed1 1,5-2,0 l\u00e0 ti\u00eau chu\u1ea9n, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng; \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng quan tr\u1ecdng nh\u01b0 b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c, h\u00e3y tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n ASME \u0111\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"font-size: 1.2em; margin-bottom: 10px;\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m?<\/h3>\n<p style=\"text-align: justify;\">S\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra momen xo\u1eafn \u0111\u00e3 hi\u1ec7u chu\u1ea9n, k\u1eb9p ch\u1eb7t bu l\u00f4ng v\u00e0o \u00ea t\u00f4; t\u0103ng d\u1ea7n momen xo\u1eafn cho \u0111\u1ebfn khi bu l\u00f4ng b\u1ecb g\u00e3y, \u0111\u1ea3m b\u1ea3o th\u1eed nghi\u1ec7m m\u00f4 ph\u1ecfng ch\u00ednh x\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0103n kh\u1edbp ren v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf.<\/p>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u v\u1ec1 M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 trong Bu l\u00f4ng v\u00e0 \u1ed0c v\u00edt Trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed, m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 c\u1ee7a bu l\u00f4ng ho\u1eb7c \u1ed1c v\u00edt l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng cho bi\u1ebft \u1ee9ng su\u1ea5t xo\u1eafn t\u1ed1i \u0111a m\u00e0 chi ti\u1ebft l\u1eafp gh\u00e9p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb h\u1ecfng. Gi\u00e1 tr\u1ecb n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c quy tr\u00ecnh l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng m\u00f4-men xo\u1eafn, v\u00ec vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng trong c\u1ea5u tr\u00fac, [\u2026]<\/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-5882","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\/5882","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=5882"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5882\/revisions"}],"predecessor-version":[{"id":5884,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5882\/revisions\/5884"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5882"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}