{"id":5645,"date":"2025-12-23T03:12:16","date_gmt":"2025-12-23T03:12:16","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5645"},"modified":"2025-12-23T03:15:17","modified_gmt":"2025-12-23T03:15:17","slug":"gb-t16938-2008-fasteners-general-technical-specifications-for-bolts-screws-studs-and-nuts","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/gb-t16938-2008-fasteners-general-technical-specifications-for-bolts-screws-studs-and-nuts\/","title":{"rendered":"GB\/T16938-2008 V\u1eadt li\u1ec7u bu\u1ed9c ch\u1eb7t \u2014 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chung cho bu l\u00f4ng, v\u00edt, \u0111inh t\u00e1n v\u00e0 \u0111ai \u1ed1c"},"content":{"rendered":"

\u0110\u1ec1 c\u01b0\u01a1ng b\u00e0i vi\u1ebft<\/h2>\n

B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p t\u1ed5ng quan to\u00e0n di\u1ec7n v\u1ec1 ti\u00eau chu\u1ea9n GB\/T 16938-2008, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 mang l\u1ea1i s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 chi\u1ec1u s\u00e2u. C\u1ea5u tr\u00fac b\u00e0i vi\u1ebft nh\u01b0 sau:<\/p>\n

    \n
  1. Gi\u1edbi thi\u1ec7u v\u1ec1 ti\u00eau chu\u1ea9n: T\u1ed5ng quan v\u1ec1 ph\u1ea1m vi, m\u1ee5c \u0111\u00edch v\u00e0 \u00fd ngh\u0129a trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed.<\/li>\n
  2. \u0110i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu: Ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i \u1ed1c v\u00edt c\u00f3 ren v\u00e0 t\u1ef1 ren, bao g\u1ed3m v\u1eadt li\u1ec7u, dung sai v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc.<\/li>\n
  3. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt chung: Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc, c\u1ea5p \u0111\u1ed9 s\u1ea3n ph\u1ea9m, \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n
  4. \u1ee8ng d\u1ee5ng v\u00e0 tri\u1ec3n khai: H\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n v\u1ec1 vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n trong ng\u00e0nh, k\u00e8m theo v\u00ed d\u1ee5 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t.<\/li>\n
  5. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: C\u00e1c c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi chuy\u00ean nghi\u1ec7p li\u00ean quan \u0111\u1ebfn ti\u00eau chu\u1ea9n n\u00e0y.<\/li>\n<\/ol>\n

    Gi\u1edbi thi\u1ec7u v\u1ec1 Ti\u00eau chu\u1ea9n<\/h2>\n

    Ti\u00eau chu\u1ea9n GB\/T 16938-2008 quy \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt chung cho c\u00e1c lo\u1ea1i chi ti\u1ebft l\u1eafp gh\u00e9p nh\u01b0 bu l\u00f4ng, \u1ed1c v\u00edt, \u0111inh t\u00e1n v\u00e0 \u0111ai \u1ed1c. Ti\u00eau chu\u1ea9n qu\u1ed1c gia n\u00e0y c\u1ee7a Trung Qu\u1ed1c r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n, \u0111\u1ed9 tin c\u1eady v\u00e0 an to\u00e0n trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p c\u01a1 kh\u00ed thu\u1ed9c nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, x\u00e2y d\u1ef1ng v\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c. Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i tu\u00e2n th\u1ee7, th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong s\u1ea3n xu\u1ea5t chi ti\u1ebft l\u1eafp gh\u00e9p.<\/p>\n

    C\u00e1c lo\u1ea1i \u1ed1c v\u00edt l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n trong k\u1ef9 thu\u1eadt, d\u00f9ng \u0111\u1ec3 n\u1ed1i ho\u1eb7c c\u1ed1 \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn d\u01b0\u1edbi c\u00e1c t\u1ea3i tr\u1ecdng v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u01b0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, dung sai k\u00edch th\u01b0\u1edbc, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c h\u01b0 h\u1ecfng nh\u01b0 l\u1ecfng l\u1ebbo, \u0103n m\u00f2n ho\u1eb7c g\u00e3y v\u1ee1. B\u1eb1ng c\u00e1ch tham chi\u1ebfu c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0 ti\u00eau chu\u1ea9n ISO, GB\/T 16938-2008 gi\u00fap c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t c\u1ee7a Trung Qu\u1ed1c ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho th\u01b0\u01a1ng m\u1ea1i qu\u1ed1c t\u1ebf v\u00e0 trao \u0111\u1ed5i c\u00f4ng ngh\u1ec7.<\/p>\n

    Tr\u00ean th\u1ef1c t\u1ebf, ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u1ea3 c\u00e1c lo\u1ea1i \u1ed1c v\u00edt c\u00f3 ren (v\u00ed d\u1ee5: lo\u1ea1i c\u00f3 ren h\u1ec7 m\u00e9t) v\u00e0 lo\u1ea1i t\u1ef1 ren, bao g\u1ed3m th\u00e9p carbon, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kim lo\u1ea1i m\u00e0u. Ti\u00eau chu\u1ea9n n\u00e0y nh\u1ea5n m\u1ea1nh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n, m\u00e0 kh\u00f4ng quy \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t tr\u1eeb khi \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong c\u00e1c ti\u00eau chu\u1ea9n ho\u1eb7c th\u1ecfa thu\u1eadn ri\u00eang. S\u1ef1 linh ho\u1ea1t n\u00e0y cho ph\u00e9p \u0111\u1ed5i m\u1edbi trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t trong khi v\u1eabn duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n

    Nh\u1eefng l\u1ee3i \u00edch ch\u00ednh bao g\u1ed3m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n s\u1ea3n ph\u1ea9m, gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 c\u1ea3i thi\u1ec7n an to\u00e0n trong \u1ee9ng d\u1ee5ng. V\u00ed d\u1ee5, trong m\u00f4i tr\u01b0\u1eddng ch\u1ecbu t\u1ea3i tr\u1ecdng cao nh\u01b0 c\u1ea7u ho\u1eb7c m\u00e1y bay, vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng k\u00e9o, c\u1eaft v\u00e0 m\u1ecfi. Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng th\u00fac \u0111\u1ea9y c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng b\u1eb1ng c\u00e1ch khuy\u1ebfn kh\u00edch b\u1ec1 m\u1eb7t s\u1ea1ch s\u1ebd v\u00e0 l\u1edbp ph\u1ee7 ch\u1ed1ng g\u1ec9, gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng.<\/p>\n

    \u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n n\u00e0y, c\u1ea7n ph\u1ea3i quen thu\u1ed9c v\u1edbi c\u00e1c t\u00e0i li\u1ec7u li\u00ean quan, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u00e0i li\u1ec7u v\u1ec1 dung sai (GB\/T 3103.1) v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc (v\u00ed d\u1ee5: lo\u1ea1t ti\u00eau chu\u1ea9n GB\/T 3098). C\u00e1c k\u1ef9 s\u01b0 v\u00e0 thanh tra ch\u1ea5t l\u01b0\u1ee3ng s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec3 x\u00e1c minh s\u1ef1 tu\u00e2n th\u1ee7 th\u00f4ng qua c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p \u0111\u00e1p \u1ee9ng c\u00e1c c\u1ea5p hi\u1ec7u su\u1ea5t nh\u01b0 8.8 \u0111\u1ed1i v\u1edbi bu l\u00f4ng th\u00e9p carbon ho\u1eb7c A2-70 \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9.<\/p>\n

    Nh\u00ecn chung, ti\u00eau chu\u1ea9n GB\/T 16938-2008 \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o n\u1ec1n t\u1ea3ng, t\u00edch h\u1ee3p c\u00e1c nguy\u00ean t\u1eafc khoa h\u1ecdc v\u1eadt li\u1ec7u, \u0111o l\u01b0\u1eddng v\u00e0 k\u1ef9 thu\u1eadt. Vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ebfn c\u00e1c quy tr\u00ecnh mua s\u1eafm \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a, trong \u0111\u00f3 c\u00e1c nh\u00e0 cung c\u1ea5p cung c\u1ea5p gi\u1ea5y ch\u1ee9ng nh\u1eadn h\u1ee3p quy, gi\u1ea3m thi\u1ec3u tranh ch\u1ea5p v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 chu\u1ed7i cung \u1ee9ng. Trong b\u1ed1i c\u1ea3nh gi\u00e1o d\u1ee5c, ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c gi\u1ea3ng d\u1ea1y trong ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o k\u1ef9 s\u01b0 c\u01a1 kh\u00ed \u0111\u1ec3 chu\u1ea9n b\u1ecb cho c\u00e1c chuy\u00ean gia t\u01b0\u01a1ng lai \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n

    S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ti\u00eau chu\u1ea9n ph\u1ea3n \u00e1nh nh\u1eefng ti\u1ebfn b\u1ed9 trong v\u1eadt li\u1ec7u v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, v\u1edbi c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt k\u1ebft h\u1ee3p ph\u1ea3n h\u1ed3i t\u1eeb c\u00e1c b\u00ean li\u00ean quan trong ng\u00e0nh. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng to\u00e0n c\u1ea7u, c\u00e1c b\u1ea3n d\u1ecbch v\u00e0 so s\u00e1nh v\u1edbi ti\u00eau chu\u1ea9n ISO 898 ho\u1eb7c ASTM \u0111\u1ec1u c\u00f3 s\u1eb5n, l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00e0 kh\u00e1c bi\u1ec7t. Ph\u1ea7n gi\u1edbi thi\u1ec7u n\u00e0y t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho vi\u1ec7c t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3, \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi \u0111\u1ecdc n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c vai tr\u00f2 to\u00e0n di\u1ec7n c\u1ee7a n\u00f3 trong c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u1ed1c v\u00edt.<\/p>\n

    \u0110i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/h2>\n

    Ph\u1ea7n n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c n\u00eau trong ti\u00eau chu\u1ea9n GB\/T 16938-2008, \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo lo\u1ea1i \u1ed1c v\u00edt: \u1ed1c v\u00edt c\u00f3 ren v\u00e0 \u1ed1c v\u00edt t\u1ef1 ren. B\u1ea3ng 1 v\u00e0 2 c\u1ee7a ti\u00eau chu\u1ea9n t\u00f3m t\u1eaft c\u00e1c y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u, dung sai, \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 ch\u1ee9c n\u0103ng, \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc, khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng. C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u1ed1c v\u00edt \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed nghi\u00eam ng\u1eb7t v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n

    \u0110\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p c\u00f3 ren (B\u1ea3ng 1), v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c chia th\u00e0nh th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kim lo\u1ea1i m\u00e0u. Dung sai \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh th\u1ed1ng nh\u1ea5t b\u1edfi ti\u00eau chu\u1ea9n GB\/T 3103.1 tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u. C\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim tham chi\u1ebfu nhi\u1ec1u ti\u00eau chu\u1ea9n: GB\/T 3098.1, GB\/T 3098.2, GB\/T 3098.3, GB\/T 3098.4, GB\/T 3098.7 v\u00e0 GB\/T 3098.9. \u0110\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, ch\u00fang bao g\u1ed3m GB\/T 3098.6, GB\/T 3098.15 v\u00e0 GB\/T 3098.16. Kim lo\u1ea1i m\u00e0u d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n GB\/T 3098.10.<\/p>\n

    C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc bao g\u1ed3m ren (GB\/T 197, GB\/T 2516, GB\/T 9145, GB\/T 22028, GB\/T 22029), c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m d\u00f9ng \u0111\u1ec3 v\u1eb7n (GB\/T 3104, GB\/T 944.1, GB\/T 6188), \u0111\u1ea7u chi ti\u1ebft (GB\/T 2), l\u1ed7 v\u00e1t (GB\/T 5279) v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c (GB\/T 3, GB\/T 3105, GB\/T 3106, GB\/T 5278). Ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u1ea5t qu\u00e1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u.<\/p>\n

    C\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t c\u1ee7a th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 chi ti\u1ebft trong GB\/T 5779.1, GB\/T 5779.2 v\u00e0 GB\/T 5779.3, trong khi kh\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c kim lo\u1ea1i m\u00e0u. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ed1i v\u1edbi th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim bao g\u1ed3m GB\/T 5267.1, GB\/T 5267.2 v\u00e0 GB\/T 5267.3; th\u00e9p kh\u00f4ng g\u1ec9 s\u1eed d\u1ee5ng ISO 16048; kim lo\u1ea1i m\u00e0u tu\u00e2n theo GB\/T 5267.1. C\u00e1c \u0111i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ed1ng nh\u1ea5t th\u00f4ng qua GB\/T 90.1, GB\/T 90.2 v\u00e0 ISO 16426.<\/p>\n

    \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i \u1ed1c v\u00edt t\u1ef1 ren (B\u1ea3ng 2), v\u1eadt li\u1ec7u l\u00e0 th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9. Dung sai tham kh\u1ea3o ti\u00eau chu\u1ea9n GB\/T 3103.1. \u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p l\u00e0 GB\/T 3098.5 v\u00e0 GB\/T 3098.11; c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 GB\/T 3098.21.<\/p>\n

    C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc bao g\u1ed3m ren v\u00e0 \u0111\u1ea7u chi ti\u1ebft (GB\/T 5280), c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m d\u00f9ng \u0111\u1ec3 v\u1eb7n (GB\/T 944.1, GB\/T 6188) v\u00e0 c\u00e1c l\u1ed7 v\u00e1t (GB\/T 5279). X\u1eed l\u00fd b\u1ec1 m\u1eb7t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c chi ti\u1ebft c\u00f3 ren: th\u00e9p s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n GB\/T 5267, th\u00e9p kh\u00f4ng g\u1ec9 s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ISO 16048. \u0110i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng gi\u1ed1ng nh\u01b0 B\u1ea3ng 1.<\/p>\n

    C\u00e1c ti\u00eau chu\u1ea9n tham chi\u1ebfu n\u00e0y cung c\u1ea5p c\u00e1c h\u01b0\u1edbng d\u1eabn ch\u00ednh x\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o trong GB\/T 3098.1 ho\u1eb7c m\u1ea1 \u0111i\u1ec7n trong GB\/T 5267.1. Trong \u1ee9ng d\u1ee5ng, c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean t\u1ea3i tr\u1ecdng, m\u00f4i tr\u01b0\u1eddng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch, \u0111\u1ea3m b\u1ea3o c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p nh\u01b0 bu l\u00f4ng M10 \u0111\u00e1p \u1ee9ng dung sai 6g cho ren.<\/p>\n

    Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 gi\u00f2n hydro trong th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao ho\u1eb7c \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m theo c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y, ghi l\u1ea1i k\u1ebft qu\u1ea3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c. Khung ph\u00e1p l\u00fd n\u00e0y h\u1ed7 tr\u1ee3 \u0111\u1ed5i m\u1edbi, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng h\u1ee3p kim ti\u00ean ti\u1ebfn trong khi v\u1eabn tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh.<\/p>\n

    \n

    B\u1ea3ng 1: \u1ed0c v\u00edt c\u00f3 ren<\/h3>\n
    \n
    \n
    <\/div>\n<\/div>\n
    \n
    <\/div>\n\n\n\n\n\n\n\n\n\n\n
    Lo\u1ea1i<\/th>\nTh\u00e9p cacbon, th\u00e9p h\u1ee3p kim<\/th>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/th>\nKim lo\u1ea1i m\u00e0u<\/th>\n<\/tr>\n
    Nguy\u00ean v\u1eadt li\u1ec7u<\/td>\nTh\u00e9p cacbon, th\u00e9p h\u1ee3p kim<\/td>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/td>\nKim lo\u1ea1i m\u00e0u<\/td>\n<\/tr>\n
    Dung sai<\/td>\nGB\/T 3103.1<\/td>\n<\/tr>\n
    \u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 ch\u1ee9c n\u0103ng<\/td>\nGB\/T 3098.1, GB\/T 3098.2, GB\/T 3098.3, GB\/T 3098.4, GB\/T 3098.7, GB\/T 3098.9<\/td>\nGB\/T 3098,6, GB\/T 3098,15, GB\/T 3098,16<\/td>\nGB\/T 3098.10<\/td>\n<\/tr>\n
    C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc (Ren, v\u1eb7n, \u0111\u1ea7u, kho\u00e9t l\u1ed7, c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c)<\/td>\nGB\/T 197, GB\/T 2516, GB\/T 9145, GB\/T 22028, GB\/T 22029; GB\/T 3104, GB\/T 944.1, GB\/T 6188; GB\/T2; GB\/T 5279; GB\/T 3, GB\/T 3105, GB\/T 3106, GB\/T 5278<\/td>\n<\/tr>\n
    C\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t<\/td>\nGB\/T 5779.1, GB\/T 5779.2, GB\/T 5779.3<\/td>\n\/<\/td>\n\/<\/td>\n<\/tr>\n
    X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/td>\nGB\/T 5267.1, GB\/T 5267.2, GB\/T 5267.3<\/td>\nISO 16048<\/td>\nGB\/T 5267.1<\/td>\n<\/tr>\n
    \u0110i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng<\/td>\nGB\/T 90.1, GB\/T 90.2, ISO 16426<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    <\/div>\n<\/div>\n<\/div>\n<\/div>\n
    \n

    B\u1ea3ng 2: \u1ed0c v\u00edt t\u1ef1 ren<\/h3>\n
    \n
    \n
    <\/div>\n<\/div>\n
    \n
    <\/div>\n\n\n\n\n\n\n\n\n\n
    Lo\u1ea1i<\/th>\nTh\u00e9p<\/th>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<\/tr>\n
    Nguy\u00ean v\u1eadt li\u1ec7u<\/td>\nTh\u00e9p<\/td>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<\/tr>\n
    Dung sai<\/td>\nGB\/T 3103.1<\/td>\n<\/tr>\n
    \u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 ch\u1ee9c n\u0103ng<\/td>\nGB\/T 3098.5, GB\/T 3098.11<\/td>\nGB\/T 3098.21<\/td>\n<\/tr>\n
    C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc (Ren, v\u1eb7n, \u0111\u1ea7u, v\u00e1t c\u1ea1nh)<\/td>\nGB\/T 5280; GB\/T 944.1, GB\/T 6188; GB\/T 5280; GB\/T 5279<\/td>\n<\/tr>\n
    X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/td>\nGB\/T 5267.1, GB\/T 5267.2, GB\/T 5267.3<\/td>\nISO 16048<\/td>\n<\/tr>\n
    \u0110i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng<\/td>\nGB\/T 90.1, GB\/T 90.2, ISO 16426<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    <\/div>\n<\/div>\n<\/div>\n<\/div>\n

    Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt chung<\/h2>\n

    C\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt chung trong ti\u00eau chu\u1ea9n GB\/T 16938-2008 quy \u0111\u1ecbnh c\u00e1c kh\u00eda c\u1ea1nh thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi bu l\u00f4ng, v\u00edt, \u0111inh t\u00e1n v\u00e0 \u0111ai \u1ed1c. Ch\u00fang bao g\u1ed3m:<\/p>\n

      \n
    • Hi\u1ec7u n\u0103ng c\u01a1 h\u1ecdc (c\u1ea5p \u0111\u1ed9 hi\u1ec7u n\u0103ng, v\u1eadt li\u1ec7u);<\/li>\n
    • C\u1ea5p \u0111\u1ed9 s\u1ea3n ph\u1ea9m (dung sai);<\/li>\n
    • C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc ti\u00eau chu\u1ea9n (n\u1ebfu c\u1ea7n);<\/li>\n
    • L\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t (n\u1ebfu c\u00f3 quy \u0111\u1ecbnh);<\/li>\n
    • C\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t (theo th\u1ecfa thu\u1eadn).<\/li>\n<\/ul>\n

      T\u1ea5t c\u1ea3 d\u1eef li\u1ec7u \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh tr\u1eeb khi c\u00f3 trong c\u00e1c ti\u00eau chu\u1ea9n ho\u1eb7c th\u1ecfa thu\u1eadn c\u1ee5 th\u1ec3. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t v\u00e0 c\u00e1c c\u1ea1nh ho\u00e0n ch\u1ec9nh, kh\u00f4ng c\u00f3 g\u1edd. C\u00e1c g\u1edd nh\u1ecf do x\u1ebb r\u00e3nh, r\u00e8n, d\u1eadp ho\u1eb7c c\u1eaft g\u1ecdt th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1eb7c g\u00e2y ra r\u1ee7i ro an to\u00e0n. C\u00e1c g\u1edd nh\u00f4 ra t\u1eeb b\u1ec1 m\u1eb7t ch\u1ecbu l\u1ef1c tr\u00ean bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt b\u1ecb c\u1ea5m.<\/p>\n

      L\u1ed7 trung t\u00e2m \u0111\u01b0\u1ee3c ph\u00e9p tr\u00ean bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt tr\u1eeb khi c\u00f3 quy \u0111\u1ecbnh kh\u00e1c. B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n, n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp, ph\u1ea3i l\u00e0 b\u1ec1 m\u1eb7t th\u00f4 \u0111\u1ed1i v\u1edbi th\u00e9p ho\u1eb7c ch\u1ec9 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kim lo\u1ea1i m\u00e0u. S\u1ea3n ph\u1ea9m giao \u0111\u1ebfn ph\u1ea3i s\u1ea1ch s\u1ebd v\u00e0 \u0111\u01b0\u1ee3c b\u00f4i d\u1ea7u ch\u1ed1ng g\u1ec9 tr\u1eeb khi c\u00f3 th\u1ecfa thu\u1eadn kh\u00e1c.<\/p>\n

      Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady d\u01b0\u1edbi c\u00e1c \u1ee9ng su\u1ea5t v\u1eadn h\u00e0nh. V\u00ed d\u1ee5, c\u00e1c c\u1ea5p hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i thi\u1ec3u, \u0111i\u1ec3m ch\u1ea3y v\u00e0 \u0111\u1ed9 c\u1ee9ng, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i. C\u00e1c c\u1ea5p s\u1ea3n ph\u1ea9m nh\u01b0 A, B, C quy \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 dung sai, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c khi l\u1eafp r\u00e1p v\u00e0 kh\u1edbp n\u1ed1i.<\/p>\n

      C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc chu\u1ea9n h\u00f3a k\u00edch th\u01b0\u1edbc \u0111\u1ec3 d\u1ec5 d\u00e0ng thay th\u1ebf, gi\u1ea3m thi\u1ec3u l\u1ed7i l\u1eafp r\u00e1p. X\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng bao g\u1ed3m ki\u1ec3m tra theo ti\u00eau chu\u1ea9n GB\/T 90, bao g\u1ed3m c\u00e1c ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn v\u00e0 l\u1ea5y m\u1eabu.<\/p>\n

      Trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n, nh\u1eefng ti\u00eau chu\u1ea9n n\u00e0y th\u00fac \u0111\u1ea9y c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t nh\u01b0 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n ho\u1eb7c th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9. Vi\u1ec7c tu\u00e2n th\u1ee7 gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c l\u1ed7i, nh\u01b0 \u0111\u00e3 th\u1ea5y trong c\u00e1c v\u1ee5 thu h\u1ed3i xe h\u01a1i do \u1ed1c v\u00edt kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n. C\u00e1c k\u1ef9 s\u01b0 t\u00ednh to\u00e1n h\u1ec7 s\u1ed1 an to\u00e0n d\u1ef1a tr\u00ean c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y, \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh.<\/p>\n

      \u1ee8ng d\u1ee5ng v\u00e0 tri\u1ec3n khai<\/h2>\n

      Vi\u1ec7c th\u1ef1c hi\u1ec7n ti\u00eau chu\u1ea9n GB\/T 16938-2008 bao g\u1ed3m vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y v\u00e0o quy tr\u00ecnh thi\u1ebft k\u1ebf, mua s\u1eafm v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng. Trong s\u1ea3n xu\u1ea5t \u00f4 t\u00f4, c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c rung \u0111\u1ed9ng; do \u0111\u00f3, vi\u1ec7c l\u1ef1a ch\u1ecdn bu l\u00f4ng c\u1ea5p 10.9 theo ti\u00eau chu\u1ea9n GB\/T 3098.1 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n k\u00e9o cao. C\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 y\u00eau c\u1ea7u \u0111ai \u1ed1c b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 theo ti\u00eau chu\u1ea9n GB\/T 3098.6 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n \u1edf \u0111\u1ed9 cao l\u1edbn.<\/p>\n

      C\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng s\u1eed d\u1ee5ng \u0111inh t\u00e1n trong k\u1ebft c\u1ea5u th\u00e9p, tu\u00e2n th\u1ee7 dung sai theo ti\u00eau chu\u1ea9n GB\/T 3103.1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Vi\u1ec7c l\u1eafp r\u00e1p m\u00e1y m\u00f3c \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c v\u00edt t\u1ef1 ren trong B\u1ea3ng 2, l\u00fd t\u01b0\u1edfng cho c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng m\u00e0 kh\u00f4ng c\u1ea7n khoan tr\u01b0\u1edbc.<\/p>\n

      C\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1t nh\u1ea5t bao g\u1ed3m ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u, ki\u1ec3m tra l\u00f4 h\u00e0ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i theo b\u1ed9 ti\u00eau chu\u1ea9n GB\/T 5779 v\u00e0 x\u00e1c minh l\u1edbp ph\u1ee7. Chu\u1ed7i cung \u1ee9ng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m to\u00e1n b\u1edfi nh\u00e0 cung c\u1ea5p \u0111\u1ec3 x\u00e1c nh\u1eadn s\u1ef1 tu\u00e2n th\u1ee7, gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u00e0ng gi\u1ea3.<\/p>\n

      C\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh cho th\u1ea5y \u0111\u1ed9 tin c\u1eady \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n: m\u1ed9t d\u1ef1 \u00e1n c\u1ea7u s\u1eed d\u1ee5ng bu l\u00f4ng \u0111\u00e0n h\u1ed3i \u0111\u00e3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c s\u1ef1 c\u1ed1 do m\u1ecfi v\u1eadt li\u1ec7u. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o nh\u1ea5n m\u1ea1nh vi\u1ec7c di\u1ec5n gi\u1ea3i theo ti\u00eau chu\u1ea9n, v\u1edbi ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 ki\u1ec3m tra k\u00edch th\u01b0\u1edbc.<\/p>\n

      Nh\u1eefng th\u00e1ch th\u1ee9c nh\u01b0 bi\u1ebfn \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1c th\u1ecfa thu\u1eadn \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho l\u1edbp ph\u1ee7. Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u b\u1ec1n v\u1eefng ph\u00f9 h\u1ee3p v\u1edbi t\u00ednh linh ho\u1ea1t c\u1ee7a ti\u00eau chu\u1ea9n.<\/p>","protected":false},"excerpt":{"rendered":"

      Article Outline This article provides a comprehensive overview of the GB\/T 16938-2008 standard, optimized for clarity and depth. The outline is structured as follows: Introduction to the Standard: Overview of scope, purpose, and significance in mechanical engineering. Technical Conditions and Referenced Standards: Detailed breakdown of requirements for threaded and self-tapping fasteners, including materials, tolerances, and […]<\/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":[1],"tags":[],"class_list":["post-5645","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5645","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=5645"}],"version-history":[{"count":4,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5645\/revisions"}],"predecessor-version":[{"id":5649,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5645\/revisions\/5649"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5645"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}