{"id":5841,"date":"2025-12-25T03:14:11","date_gmt":"2025-12-25T03:14:11","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5841"},"modified":"2025-12-25T03:14:11","modified_gmt":"2025-12-25T03:14:11","slug":"din-933-hex-bolts-specs-uses","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/din-933-hex-bolts-specs-uses\/","title":{"rendered":"Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a bu l\u00f4ng l\u1ee5c gi\u00e1c DIN 933"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u v\u1ec1 bu l\u00f4ng l\u1ee5c gi\u00e1c DIN 933<\/h2>\n<p>Ti\u00eau chu\u1ea9n DIN 933 quy \u0111\u1ecbnh bu l\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ren to\u00e0n ph\u1ea7n, ren th\u00f4 h\u1ec7 m\u00e9t, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 si\u1ebft ch\u1eb7t v\u1edbi \u0111\u1ed9 b\u1ec1n cao trong c\u00e1c c\u1ee5m c\u01a1 kh\u00ed. C\u00e1c bu l\u00f4ng n\u00e0y c\u00f3 \u0111\u1ea7u l\u1ee5c gi\u00e1c gi\u00fap d\u1ec5 d\u00e0ng v\u1eb7n b\u1eb1ng c\u1edd l\u00ea v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf nh\u1eefng n\u01a1i c\u1ea7n ren to\u00e0n ph\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0103n kh\u1edbp ch\u1eafc ch\u1eafn. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 tin c\u1eady trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, tu\u00e2n th\u1ee7 c\u00e1c dung sai ch\u00ednh x\u00e1c cho c\u00e1c k\u00edch th\u01b0\u1edbc nh\u01b0 chi\u1ec1u cao \u0111\u1ea7u, chi\u1ec1u r\u1ed9ng m\u1eb7t ph\u1eb3ng v\u00e0 b\u01b0\u1edbc ren.<\/p>\n<p>So v\u1edbi c\u00e1c lo\u1ea1i bu l\u00f4ng c\u00f3 ren m\u1ed9t ph\u1ea7n nh\u01b0 DIN 931, bu l\u00f4ng DIN 933 cung c\u1ea5p s\u1ef1 ph\u00e2n b\u1ed1 ren \u0111\u1ed3ng \u0111\u1ec1u, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 v\u1ecb tr\u00ed \u0111ai \u1ed1c thay \u0111\u1ed5i. Ch\u00fang c\u00f3 s\u1eb5n c\u00e1c t\u00f9y ch\u1ecdn ren th\u00f4 v\u00e0 ren m\u1ecbn, trong \u0111\u00f3 ren th\u00f4 l\u00e0 m\u1eb7c \u0111\u1ecbnh do \u0111\u1ed9 b\u1ec1n ch\u00e2n ren v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh ph\u1ed5 bi\u1ebfn trong k\u1ef9 thu\u1eadt n\u00f3i chung. V\u1eadt li\u1ec7u th\u01b0\u1eddng bao g\u1ed3m th\u00e9p kh\u00f4ng g\u1ec9 nh\u01b0 AISI 304 v\u00e0 316 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y, d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, v\u1eadt li\u1ec7u v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 \u1ee9ng d\u1ee5ng, th\u00fac \u0111\u1ea9y hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 an to\u00e0n trong thi\u1ebft k\u1ebf.<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan<\/h2>\n<p>Bu l\u00f4ng DIN 933 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ed9t ph\u1ea7n v\u1edbi ti\u00eau chu\u1ea9n GB 5783 c\u1ee7a Trung Qu\u1ed1c d\u00e0nh cho bu l\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c. M\u1eb7c d\u00f9 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i nh\u01b0 b\u01b0\u1edbc ren v\u00e0 \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a tr\u00f9ng kh\u1edbp, nh\u01b0ng v\u1eabn c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 k\u00edch th\u01b0\u1edbc \u0111\u1ea7u bu l\u00f4ng \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ee1 nh\u01b0 M8, M10, M12 v\u00e0 M20. V\u00ed d\u1ee5, \u0111\u1ea7u bu l\u00f4ng GB 5783 nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat, c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c b\u1eb1ng th\u01b0\u1edbc k\u1eb9p nh\u01b0ng kh\u00f4ng d\u1ec5 nh\u1eadn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p thay th\u1ebf l\u1eabn nhau trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, m\u1eb7c d\u00f9 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao c\u1ea7n ph\u1ea3i l\u1ef1a ch\u1ecdn theo ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 kh\u1edbp.<\/p>\n<p>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng, ti\u00eau chu\u1ea9n DIN 933 t\u01b0\u01a1ng \u1ee9ng v\u1edbi ISO 4017, nh\u1ea5n m\u1ea1nh v\u00e0o ren to\u00e0n ph\u1ea7n v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ec7 m\u00e9t. C\u00e1c k\u1ef9 s\u01b0 n\u00ean ki\u1ec3m tra s\u1ef1 ph\u00f9 h\u1ee3p khi thay th\u1ebf, v\u00ec dung sai \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i A v\u00e0 B c\u00f3 th\u1ec3 kh\u00e1c nhau m\u1ed9t ch\u00fat, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c khi l\u1eafp r\u00e1p.<\/p>\n<h2>C\u00e1c lo\u1ea1i v\u00e0 c\u1ea5p \u0111\u1ed9<\/h2>\n<p>Bu l\u00f4ng l\u1ee5c gi\u00e1c theo ti\u00eau chu\u1ea9n DIN 933 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo lo\u1ea1i ren v\u00e0 c\u1ea5p \u0111\u1ed9 s\u1ea3n ph\u1ea9m:<\/p>\n<ul>\n<li><strong>C\u00e1c lo\u1ea1i ren:<\/strong> Ren th\u00f4 c\u00f3 \u0111\u1ed9 b\u1ec1n ch\u00e2n ren cao, ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng; ren m\u1ecbn cho \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n trong c\u00e1c m\u00f4i tr\u01b0\u1eddng d\u1ec5 b\u1ecb rung \u0111\u1ed9ng. Ren th\u00f4 l\u00e0 lo\u1ea1i ti\u00eau chu\u1ea9n v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n<li><strong>Ph\u00e2n lo\u1ea1i s\u1ea3n ph\u1ea9m:<\/strong> A, B v\u00e0 C. Lo\u1ea1i C c\u00f3 gi\u00e1 th\u00e0nh kinh t\u1ebf h\u01a1n v\u1edbi b\u1ec1 m\u1eb7t th\u00f4 h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u th\u1ea5p; lo\u1ea1i A v\u00e0 B cung c\u1ea5p dung sai ch\u1eb7t ch\u1ebd h\u01a1n v\u00e0 b\u1ec1 m\u1eb7t nh\u1eb5n h\u01a1n cho c\u00e1c c\u1ee5m l\u1eafp r\u00e1p y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao, m\u1eb7c d\u00f9 gi\u00e1 th\u00e0nh cao h\u01a1n.<\/li>\n<\/ul>\n<p>Ngo\u00e0i ra, bu l\u00f4ng c\u00f3 lo\u1ea1i ren to\u00e0n ph\u1ea7n (DIN 933) ho\u1eb7c ren m\u1ed9t n\u1eeda, trong \u0111\u00f3 lo\u1ea1i ren to\u00e0n ph\u1ea7n th\u00edch h\u1ee3p cho vi\u1ec7c si\u1ebft ch\u1eb7t qua l\u1ed7.<\/p>\n<h2>Th\u00f4ng s\u1ed1 k\u00edch th\u01b0\u1edbc<\/h2>\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau r\u00f5 c\u00e1c k\u00edch th\u01b0\u1edbc ch\u00ednh c\u1ee7a bu l\u00f4ng l\u1ee5c gi\u00e1c DIN 933 t\u1eeb M4 \u0111\u1ebfn M22, \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh v\u00e0 ki\u1ec3m ch\u1ee9ng so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n tham kh\u1ea3o. T\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ec1u t\u00ednh b\u1eb1ng milim\u00e9t. L\u01b0u \u00fd r\u1eb1ng lo\u1ea1i A c\u00f3 dung sai ch\u1eb7t ch\u1ebd h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng, trong khi lo\u1ea1i B ph\u00f9 h\u1ee3p cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng chung. Ph\u1ea1m vi chi\u1ec1u d\u00e0i ch\u1ec9 mang t\u00ednh ch\u1ea5t tham kh\u1ea3o; chi\u1ec1u d\u00e0i t\u00f9y ch\u1ec9nh c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th>Ren v\u00edt d<\/th>\n<th>Cao \u0111\u1ed9 P<\/th>\n<th>Chi\u1ec1u cao \u0111\u1ea7u k Danh ngh\u0129a<\/th>\n<th>k H\u1ea1ng A t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u<\/th>\n<th>k H\u1ea1ng B t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u<\/th>\n<th>Across Flats s Nominal<\/th>\n<th>H\u1ea1ng A t\u1ed1i thi\u1ec3u<\/th>\n<th>H\u1ea1ng B t\u1ed1i thi\u1ec3u<\/th>\n<th>Across Corners e H\u1ea1ng A t\u1ed1i thi\u1ec3u<\/th>\n<th>Across Corners e Grade B min<\/th>\n<th>Kho\u1ea3ng chi\u1ec1u d\u00e0i (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M4<\/td>\n<td>0.7<\/td>\n<td>2.8<\/td>\n<td>2.92\/2.68<\/td>\n<td>3\/2.6<\/td>\n<td>7<\/td>\n<td>6.78<\/td>\n<td>6.64<\/td>\n<td>7.66<\/td>\n<td>7.5<\/td>\n<td>8-40<\/td>\n<\/tr>\n<tr>\n<td>M5<\/td>\n<td>0.8<\/td>\n<td>3.5<\/td>\n<td>3.65\/3.35<\/td>\n<td>3.74\/3.26<\/td>\n<td>8<\/td>\n<td>7.78<\/td>\n<td>7.64<\/td>\n<td>8.79<\/td>\n<td>8.63<\/td>\n<td>8-65<\/td>\n<\/tr>\n<tr>\n<td>M6<\/td>\n<td>1<\/td>\n<td>4<\/td>\n<td>4.15\/3.85<\/td>\n<td>4.24\/3.76<\/td>\n<td>10<\/td>\n<td>9.78<\/td>\n<td>9.64<\/td>\n<td>11.05<\/td>\n<td>10.89<\/td>\n<td>10-150<\/td>\n<\/tr>\n<tr>\n<td>M7<\/td>\n<td>1<\/td>\n<td>4.8<\/td>\n<td>4.95\/4.65<\/td>\n<td>5.04\/4.56<\/td>\n<td>11<\/td>\n<td>10.73<\/td>\n<td>10.57<\/td>\n<td>12.12<\/td>\n<td>11.94<\/td>\n<td>10-150<\/td>\n<\/tr>\n<tr>\n<td>M8<\/td>\n<td>1.25<\/td>\n<td>5.3<\/td>\n<td>5.45\/5.15<\/td>\n<td>5.54\/5.06<\/td>\n<td>13<\/td>\n<td>12.73<\/td>\n<td>12.57<\/td>\n<td>14.38<\/td>\n<td>14.2<\/td>\n<td>12-200<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>1.5<\/td>\n<td>6.4<\/td>\n<td>6.63\/6.22<\/td>\n<td>6.69\/6.11<\/td>\n<td>17<\/td>\n<td>16.73<\/td>\n<td>16.57<\/td>\n<td>18.9<\/td>\n<td>18.72<\/td>\n<td>16-200<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>1.75<\/td>\n<td>7.5<\/td>\n<td>7.68\/7.32<\/td>\n<td>7.79\/7.21<\/td>\n<td>19<\/td>\n<td>18.67<\/td>\n<td>18.48<\/td>\n<td>21.1<\/td>\n<td>20.88<\/td>\n<td>20-200<\/td>\n<\/tr>\n<tr>\n<td>M14<\/td>\n<td>2<\/td>\n<td>8.8<\/td>\n<td>8.98\/8.62<\/td>\n<td>9.09\/8.51<\/td>\n<td>22<\/td>\n<td>21.67<\/td>\n<td>21.16<\/td>\n<td>24.49<\/td>\n<td>23.91<\/td>\n<td>25-200<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>2<\/td>\n<td>10<\/td>\n<td>10.18\/9.82<\/td>\n<td>10.29\/9.71<\/td>\n<td>24<\/td>\n<td>23.67<\/td>\n<td>23.16<\/td>\n<td>26.75<\/td>\n<td>26.17<\/td>\n<td>25-200<\/td>\n<\/tr>\n<tr>\n<td>M18<\/td>\n<td>2.5<\/td>\n<td>11.5<\/td>\n<td>11.72\/11.28<\/td>\n<td>11.85\/11.15<\/td>\n<td>27<\/td>\n<td>26.67<\/td>\n<td>26.15<\/td>\n<td>30.14<\/td>\n<td>29.56<\/td>\n<td>30-150<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>2.5<\/td>\n<td>12.5<\/td>\n<td>12.72\/12.28<\/td>\n<td>12.85\/12.15<\/td>\n<td>30<\/td>\n<td>29.67<\/td>\n<td>29.16<\/td>\n<td>33.53<\/td>\n<td>32.95<\/td>\n<td>30-150<\/td>\n<\/tr>\n<tr>\n<td>M22<\/td>\n<td>2.5<\/td>\n<td>14<\/td>\n<td>14.22\/13.78<\/td>\n<td>14.35\/13.65<\/td>\n<td>32<\/td>\n<td>31.61<\/td>\n<td>31<\/td>\n<td>35.72<\/td>\n<td>35.03<\/td>\n<td>30-150<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch; \u0111\u1ed1i v\u1edbi ren m\u1ecbn, c\u1ea7n ch\u1ec9 r\u00f5 c\u00e1c y\u00eau c\u1ea7u v\u00ec ch\u00fang l\u00e0m thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh b\u01b0\u1edbc ren v\u00e0 \u0111\u1ed9 b\u1ec1n. Lu\u00f4n \u0111o b\u1eb1ng d\u1ee5ng c\u1ee5 \u0111\u00e3 hi\u1ec7u chu\u1ea9n \u0111\u1ec3 ki\u1ec3m ch\u1ee9ng.<\/p>\n<h2>V\u1eadt li\u1ec7u v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h2>\n<p>Bu l\u00f4ng DIN 933 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n. C\u00e1c m\u00e1c th\u00e9p ph\u1ed5 bi\u1ebfn bao g\u1ed3m SUS304 (A2) v\u00e0 SUS316 (A4), trong \u0111\u00f3 SUS316 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n nh\u1edd b\u1ed5 sung molypden.<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>C (%)<\/th>\n<th>Mn (%)<\/th>\n<th>Si (%)<\/th>\n<th>P (%)<\/th>\n<th>S (%)<\/th>\n<th>Ni (%)<\/th>\n<th>Mo (%)<\/th>\n<th>Cr (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 SUS304<\/td>\n<td>\u22640,08<\/td>\n<td>\u22642,00<\/td>\n<td>\u22641,00<\/td>\n<td>\u22640,045<\/td>\n<td>\u22640,03<\/td>\n<td>8.00-11.00<\/td>\n<td>–<\/td>\n<td>17.00-19.00<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 SUS316<\/td>\n<td>\u22640,08<\/td>\n<td>\u22642,00<\/td>\n<td>\u22641,00<\/td>\n<td>\u22640,045<\/td>\n<td>\u22640,03<\/td>\n<td>10.00-14.00<\/td>\n<td>2.00-3.00<\/td>\n<td>16.00-18.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 SUS304 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng; SUS316 l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h2>Ti\u00eau chu\u1ea9n v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 m\u00f4-men xo\u1eafn<\/h2>\n<p>M\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 ti\u00eau chu\u1ea9n DIN 933 th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb A2-50 \u0111\u1ebfn A4-80, th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ea3y. \u0110\u1ed1i v\u1edbi A2-70 (th\u01b0\u1eddng d\u00f9ng cho SUS304), \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 700 MPa, \u0111\u1ed9 b\u1ec1n ch\u1ea3y l\u00e0 450 MPa. Gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n; \u0111\u1ed1i v\u1edbi l\u1eafp r\u00e1p kh\u00f4, M8 c\u1ea7n kho\u1ea3ng 23 Nm cho lo\u1ea1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 8.8, nh\u01b0ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 (ma s\u00e1t th\u1ea5p h\u01a1n).<\/p>\n<p>H\u01b0\u1edbng d\u1eabn m\u00f4-men xo\u1eafn ti\u00eau chu\u1ea9n \u0111\u1ea3m b\u1ea3o l\u1ef1c si\u1ebft tr\u01b0\u1edbc m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng ren. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh x\u00e1c, h\u00e3y s\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n theo ti\u00eau chu\u1ea9n ISO, c\u00f3 t\u00ednh \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u00ecnh tr\u1ea1ng ren v\u00e0 s\u1ef1 k\u1ebft h\u1ee3p v\u1eadt li\u1ec7u.<\/p>\n<h2>\u01afu \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng<\/h2>\n<p>Bu l\u00f4ng l\u1ee5c gi\u00e1c DIN 933 n\u1ed5i b\u1eadt v\u1ec1 t\u00ednh \u0111a d\u1ee5ng, mang l\u1ea1i:<\/p>\n<ul>\n<li>Truy\u1ec1n m\u00f4-men xo\u1eafn cao th\u00f4ng qua \u0111\u1ea7u l\u1ee5c gi\u00e1c.<\/li>\n<li>To\u00e0n b\u1ed9 ren gi\u00fap \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u00e0i kh\u00f3a.<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u1edf c\u00e1c phi\u00ean b\u1ea3n th\u00e9p kh\u00f4ng g\u1ec9.<\/li>\n<\/ul>\n<p>\u1ee8ng d\u1ee5ng c\u1ee7a ch\u00fang tr\u1ea3i r\u1ed9ng trong ng\u00e0nh x\u00e2y d\u1ef1ng (m\u1ed1i n\u1ed1i k\u1ebft c\u1ea5u), \u0111\u01b0\u1eddng s\u1eaft (c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1eddng ray) v\u00e0 m\u00e1y m\u00f3c (d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p), n\u01a1i \u0111\u1ed9 tin c\u1eady khi ch\u1ecbu t\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 t\u1ed1i quan tr\u1ecdng.<\/p>\n<h2>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t<\/h2>\n<p>Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch bao g\u1ed3m c\u0103n ch\u1ec9nh ren, si\u1ebft \u0111\u1ec1u l\u1ef1c v\u00e0 s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m \u0111\u1ec3 ph\u00e2n b\u1ed5 l\u1ef1c. \u0110\u1ed1i v\u1edbi nh\u1eefng khu v\u1ef1c c\u00f3 \u0111\u1ed9 rung cao, h\u00e3y s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a. Tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn \u0111\u1ec3 tr\u00e1nh si\u1ebft qu\u00e1 ch\u1eb7t, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<div class=\"faq\">\n<p><q>Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ti\u00eau chu\u1ea9n DIN 933 v\u00e0 GB 5783 l\u00e0 g\u00ec?<\/q>M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 thay th\u1ebf cho nhau trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ti\u00eau chu\u1ea9n GB 5783 c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ea7u nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ee1 M8, M10, M12 v\u00e0 M20. H\u00e3y s\u1eed d\u1ee5ng th\u01b0\u1edbc k\u1eb9p \u0111\u1ec3 ki\u1ec3m tra k\u00edch th\u01b0\u1edbc nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c khi l\u1eafp \u0111\u1eb7t.<\/p>\n<p><q>Khi n\u00e0o th\u00ec n\u00ean ch\u1ecdn ch\u1ec9 m\u1ea3nh thay v\u00ec ch\u1ec9 th\u00f4?<\/q><\/p>\n<p>Ren m\u1ecbn mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng rung t\u1ed1t h\u01a1n, l\u00fd t\u01b0\u1edfng cho m\u00e1y m\u00f3c; ren th\u00f4 cung c\u1ea5p \u0111\u1ed9 ch\u1eafc ch\u1eafn cao h\u01a1n cho c\u00e1c t\u1ea3i tr\u1ecdng n\u1eb7ng trong x\u00e2y d\u1ef1ng.<\/p>\n<p><q>V\u1eadt li\u1ec7u n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n?<\/q><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 SUS316, c\u00f3 ch\u1ee9a molypden, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t t\u1ed1t h\u01a1n so v\u1edbi SUS304.<\/p>\n<p><q>S\u1ea3n ph\u1ea9m lo\u1ea1i A, B v\u00e0 C kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/q><\/p>\n<p>Lo\u1ea1i C c\u00f3 gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd v\u1edbi b\u1ec1 m\u1eb7t th\u00f4 h\u01a1n, ph\u00f9 h\u1ee3p cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng; lo\u1ea1i A v\u00e0 B c\u00f3 dung sai ch\u1eb7t ch\u1ebd h\u01a1n, th\u00edch h\u1ee3p cho c\u00e1c c\u1ee5m l\u1eafp r\u00e1p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n<p><q>C\u1ea7n si\u1ebft l\u1ef1c bao nhi\u00eau \u0111\u1ed1i v\u1edbi bu l\u00f4ng M10 DIN 933?<\/q><\/p>\n<p>\u0110\u1ed1i v\u1edbi th\u00e9p c\u1ea5p A2-70, m\u00f4-men xo\u1eafn kh\u00f4 kho\u1ea3ng 37 Nm; lu\u00f4n tham kh\u1ea3o bi\u1ec3u \u0111\u1ed3 d\u00e0nh ri\u00eang cho t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n.<\/p>\n<p><q>Bu l\u00f4ng DIN 933 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng?<\/q><\/p>\n<p>C\u00e1c phi\u00ean b\u1ea3n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 800\u00b0C, nh\u01b0ng c\u1ea7n ki\u1ec3m tra theo c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ISO v\u1ec1 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n.<\/p>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to DIN 933 Hex Bolts DIN 933 specifies fully threaded hexagon head bolts with metric coarse threads, designed for high-strength fastening in mechanical assemblies. These bolts feature a hexagonal head for easy wrenching and are widely used where full threading is required for secure engagement. The standard ensures compatibility and reliability across industries, adhering [&hellip;]<\/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-5841","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\/5841","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=5841"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5841\/revisions"}],"predecessor-version":[{"id":5842,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5841\/revisions\/5842"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5841"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}