{"id":5780,"date":"2025-12-25T01:12:35","date_gmt":"2025-12-25T01:12:35","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5780"},"modified":"2025-12-25T01:17:22","modified_gmt":"2025-12-25T01:17:22","slug":"unified-vs-whitworth-threads-tpi-and-pitch-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/unified-vs-whitworth-threads-tpi-and-pitch-guide\/","title":{"rendered":"So s\u00e1nh gi\u1eefa Unified v\u00e0 Whitworth Threads: H\u01b0\u1edbng d\u1eabn v\u1ec1 ch\u1ec9 s\u1ed1 TPI v\u00e0 Pitch"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 ren v\u00edt h\u1ec7 inch<\/h2>\n
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Ren v\u00edt h\u1ec7 inch r\u1ea5t c\u1ea7n thi\u1ebft trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p tu\u00e2n th\u1ee7 h\u1ec7 \u0111o l\u01b0\u1eddng Anh. H\u01b0\u1edbng d\u1eabn n\u00e0y t\u1eadp trung v\u00e0o h\u1ec7 th\u1ed1ng Whitworth c\u1ee7a Anh v\u00e0 ti\u00eau chu\u1ea9n Unified c\u1ee7a M\u1ef9, cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 chi ti\u1ebft v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a, s\u1ed1 ren tr\u00ean m\u1ed7i inch (TPI) v\u00e0 b\u01b0\u1edbc ren. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p, \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 m\u00e1y m\u00f3c, v\u1edbi nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 g\u00f3c ren, h\u00ecnh d\u1ea1ng v\u00e0 \u1ee9ng d\u1ee5ng. Hi\u1ec3u r\u00f5 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t trong thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

Ren Whitworth, c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb th\u1ebf k\u1ef7 19, c\u00f3 g\u00f3c ren 55\u00b0 v\u00e0 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi ti\u00eau chu\u1ea9n BS 84-1956. Ng\u01b0\u1ee3c l\u1ea1i, ren Unified, \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a b\u1edfi ANSI\/ASME B1.1, s\u1eed d\u1ee5ng g\u00f3c 60\u00b0 \u0111\u1ec3 d\u1ec5 d\u00e0ng thay th\u1ebf gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng c\u1ee7a M\u1ef9, Anh v\u00e0 Canada sau Th\u1ebf chi\u1ebfn II. S\u1ef1 so s\u00e1nh n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn lo\u1ea1i ren ph\u00f9 h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n to\u00e0n c\u1ea7u, nh\u1ea5n m\u1ea1nh \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n<\/section>\n

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H\u1ec7 th\u1ed1ng ren Whitworth (BS 84)<\/h2>\n

Ren Whitworth ti\u00eau chu\u1ea9n Anh (BSW) v\u00e0 ren m\u1ecbn ti\u00eau chu\u1ea9n Anh (BSF), theo ti\u00eau chu\u1ea9n BS 84-1956, l\u00e0 lo\u1ea1i ren v\u00edt song song v\u1edbi \u0111\u1ec9nh v\u00e0 ch\u00e2n ren \u0111\u01b0\u1ee3c bo tr\u00f2n \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi. BSW \u0111\u1ea1i di\u1ec7n cho lo\u1ea1i ren th\u00f4, trong khi BSF cung c\u1ea5p c\u00e1c b\u01b0\u1edbc ren m\u1ecbn h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ed1ng rung.<\/p>\n

    \n
  • G\u00f3c ren:<\/strong> 55\u00b0<\/li>\n
  • Ch\u1ee9c danh:<\/strong> \u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a t\u00ednh b\u1eb1ng inch v\u00e0 TPI, v\u00ed d\u1ee5: 1\/2\u2033-12 BSW<\/li>\n
  • \u1ee8ng d\u1ee5ng:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c, \u00f4 t\u00f4 v\u00e0 ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng c\u0169 c\u1ee7a Anh (c\u00e1c bi\u1ebfn th\u1ec3 BSP).<\/li>\n
  • T\u00ednh to\u00e1n cao \u0111\u1ed9:<\/strong> B\u01b0\u1edbc ren = 1 \/ TPI (t\u00ednh b\u1eb1ng inch)<\/li>\n<\/ul>\n

    \u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, n\u00ean l\u1ef1a ch\u1ecdn ren Whitworth d\u1ef1a tr\u00ean y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng v\u00e0 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u, \u0111\u1ea3m b\u1ea3o si\u1ebft ch\u1eb7t \u0111\u00fang l\u1ef1c momen xo\u1eafn \u0111\u1ec3 tr\u00e1nh b\u1ecb tr\u1eddn ren.<\/p>\n<\/section>\n

    \n

    Ti\u00eau chu\u1ea9n ren th\u1ed1ng nh\u1ea5t (ANSI\/ASME B1.1)<\/h2>\n

    Ti\u00eau chu\u1ea9n ren v\u00edt h\u1ec7 inch th\u1ed1ng nh\u1ea5t (ANSI\/ASME B1.1) \u0111\u1ecbnh ngh\u0129a c\u00e1c lo\u1ea1i ren th\u00f4 (UNC), m\u1ecbn (UNF) v\u00e0 si\u00eau m\u1ecbn (UNEF) d\u00f9ng cho c\u00e1c lo\u1ea1i \u1ed1c v\u00edt th\u00f4ng d\u1ee5ng. H\u1ec7 th\u1ed1ng n\u00e0y th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch qu\u1ed1c t\u1ebf v\u1edbi thi\u1ebft k\u1ebf ch\u00e2n ren ph\u1eb3ng gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n.<\/p>\n

      \n
    • G\u00f3c ren:<\/strong> 60\u00b0<\/li>\n
    • Ch\u1ee9c danh:<\/strong> K\u00edch th\u01b0\u1edbc s\u1ed1 ho\u1eb7c \u0111\u01b0\u1eddng k\u00ednh ph\u00e2n s\u1ed1, TPI v\u00e0 series, v\u00ed d\u1ee5: 1\/2\u2033-13 UNC<\/li>\n
    • \u1ee8ng d\u1ee5ng:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4 v\u00e0 x\u00e2y d\u1ef1ng nh\u1edd t\u00ednh linh ho\u1ea1t v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a cao.<\/li>\n
    • Dung sai:<\/strong> Ph\u00e2n lo\u1ea1i theo \u0111\u1ed9 v\u1eeba v\u1eb7n: 1A\/1B (r\u1ed9ng), 2A\/2B (b\u00ecnh th\u01b0\u1eddng), 3A\/3B (\u00f4m s\u00e1t).<\/li>\n<\/ul>\n

      Khi thi\u1ebft k\u1ebf v\u1edbi ren Unified, c\u1ea7n xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0103n m\u00f2n; c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n<\/section>\n

      \n

      B\u1ea3ng so s\u00e1nh \u0111\u01b0\u1eddng k\u00ednh v\u00e0 s\u1ed1 ren tr\u00ean m\u1ed7i inch<\/h2>\n

      B\u1ea3ng sau so s\u00e1nh \u0111\u01b0\u1eddng k\u00ednh l\u1edbn danh ngh\u0129a (t\u00ednh b\u1eb1ng inch) v\u1edbi TPI (s\u1ed1 v\u00f2ng ren tr\u00ean m\u1ed7i inch) cho ren Unified (ANSI B1.1) v\u00e0 Whitworth (BS 84-1956). C\u00e1c \u00f4 tr\u1ed1ng bi\u1ec3u th\u1ecb k\u00edch th\u01b0\u1edbc kh\u00f4ng ti\u00eau chu\u1ea9n ho\u1eb7c kh\u00f4ng c\u00f3 s\u1eb5n trong d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u00f3.<\/p>\n

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      \n
      \n
      <\/div>\n<\/div>\n
      \n
      \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \u0110\u01b0\u1eddng k\u00ednh l\u1edbn (inch)<\/th>\nM\u00e3 k\u00edch th\u01b0\u1edbc th\u1ed1ng nh\u1ea5t<\/th>\nUNC (Th\u00f4)<\/th>\nUNF (T\u1ed1t)<\/th>\nM\u00e3 k\u00edch c\u1ee1 Whitworth<\/th>\nC\u1eed nh\u00e2n C\u00f4ng t\u00e1c X\u00e3 h\u1ed9i (\u0110\u1ea1i h\u1ecdc)<\/th>\nBSF (T\u1ed1t)<\/th>\n<\/tr>\n<\/thead>\n
      0.0600<\/td>\n#0<\/td>\n<\/td>\n80<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.0625<\/td>\n<\/td>\n<\/td>\n<\/td>\n1\/16<\/td>\n60<\/td>\n<\/td>\n<\/tr>\n
      0.0730<\/td>\n#1<\/td>\n64<\/td>\n72<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.0860<\/td>\n#2<\/td>\n56<\/td>\n64<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.0938<\/td>\n<\/td>\n<\/td>\n<\/td>\n3\/32<\/td>\n48<\/td>\n<\/td>\n<\/tr>\n
      0.0990<\/td>\n#3<\/td>\n48<\/td>\n56<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.1120<\/td>\n#4<\/td>\n40<\/td>\n48<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.1250<\/td>\n#5<\/td>\n40<\/td>\n44<\/td>\n1\/8<\/td>\n40<\/td>\n<\/td>\n<\/tr>\n
      0.1380<\/td>\n#6<\/td>\n32<\/td>\n40<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.1563<\/td>\n<\/td>\n<\/td>\n<\/td>\n5\/32<\/td>\n32<\/td>\n<\/td>\n<\/tr>\n
      0.1640<\/td>\n#8<\/td>\n32<\/td>\n36<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.1875<\/td>\n<\/td>\n<\/td>\n<\/td>\n3\/16<\/td>\n24<\/td>\n32<\/td>\n<\/tr>\n
      0.1900<\/td>\n#10<\/td>\n24<\/td>\n32<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.2160<\/td>\n#12<\/td>\n24<\/td>\n28<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      0.2189<\/td>\n<\/td>\n<\/td>\n<\/td>\n7\/32<\/td>\n24<\/td>\n28<\/td>\n<\/tr>\n
      0.2500<\/td>\n1\/4<\/td>\n20<\/td>\n28<\/td>\n1\/4<\/td>\n20<\/td>\n26<\/td>\n<\/tr>\n
      0.2812<\/td>\n<\/td>\n<\/td>\n<\/td>\n9\/32<\/td>\n<\/td>\n26<\/td>\n<\/tr>\n
      0.3125<\/td>\n5\/16<\/td>\n18<\/td>\n24<\/td>\n5\/16<\/td>\n18<\/td>\n22<\/td>\n<\/tr>\n
      0.3750<\/td>\n3\/8<\/td>\n16<\/td>\n24<\/td>\n3\/8<\/td>\n16<\/td>\n20<\/td>\n<\/tr>\n
      0.4375<\/td>\n7\/16<\/td>\n14<\/td>\n20<\/td>\n7\/16<\/td>\n14<\/td>\n18<\/td>\n<\/tr>\n
      0.5000<\/td>\n1\/2<\/td>\n13<\/td>\n20<\/td>\n1\/2<\/td>\n12<\/td>\n16<\/td>\n<\/tr>\n
      0.5625<\/td>\n9\/16<\/td>\n12<\/td>\n18<\/td>\n9\/16<\/td>\n12<\/td>\n16<\/td>\n<\/tr>\n
      0.6250<\/td>\n5\/8<\/td>\n11<\/td>\n18<\/td>\n5\/8<\/td>\n11<\/td>\n14<\/td>\n<\/tr>\n
      0.6875<\/td>\n<\/td>\n<\/td>\n<\/td>\n11\/16<\/td>\n11<\/td>\n14<\/td>\n<\/tr>\n
      0.7500<\/td>\n3\/4<\/td>\n10<\/td>\n16<\/td>\n3\/4<\/td>\n10<\/td>\n12<\/td>\n<\/tr>\n
      0.8125<\/td>\n<\/td>\n<\/td>\n<\/td>\n13\/16<\/td>\n<\/td>\n12<\/td>\n<\/tr>\n
      0.8750<\/td>\n7\/8<\/td>\n9<\/td>\n14<\/td>\n7\/8<\/td>\n9<\/td>\n11<\/td>\n<\/tr>\n
      1.0000<\/td>\n1<\/td>\n8<\/td>\n12<\/td>\n1<\/td>\n8<\/td>\n10<\/td>\n<\/tr>\n
      1.1250<\/td>\n1-1\/8<\/td>\n7<\/td>\n12<\/td>\n1-1\/8<\/td>\n7<\/td>\n9<\/td>\n<\/tr>\n
      1.2500<\/td>\n1-1\/4<\/td>\n7<\/td>\n12<\/td>\n1-1\/4<\/td>\n7<\/td>\n9<\/td>\n<\/tr>\n
      1.3750<\/td>\n1-3\/8<\/td>\n6<\/td>\n12<\/td>\n1-3\/8<\/td>\n<\/td>\n8<\/td>\n<\/tr>\n
      1.5000<\/td>\n1-1\/2<\/td>\n6<\/td>\n12<\/td>\n1-1\/2<\/td>\n6<\/td>\n8<\/td>\n<\/tr>\n
      1.6250<\/td>\n1-5\/8<\/td>\n<\/td>\n<\/td>\n1-5\/8<\/td>\n<\/td>\n8<\/td>\n<\/tr>\n
      1.7500<\/td>\n1-3\/4<\/td>\n5<\/td>\n<\/td>\n1-3\/4<\/td>\n5<\/td>\n7<\/td>\n<\/tr>\n
      2.0000<\/td>\n2<\/td>\n4.5<\/td>\n<\/td>\n2<\/td>\n4.5<\/td>\n7<\/td>\n<\/tr>\n
      2.2500<\/td>\n2-1\/4<\/td>\n4.5<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      2.5000<\/td>\n2-1\/2<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      2.7500<\/td>\n2-3\/4<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      3.0000<\/td>\n3<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      3.2500<\/td>\n3-1\/4<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      3.5000<\/td>\n3-1\/2<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      3.7500<\/td>\n3-3\/4<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      4.0000<\/td>\n4<\/td>\n4<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      <\/div>\n<\/div>\n<\/div>\n<\/div>\n

      L\u01b0u \u00fd: D\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng theo ti\u00eau chu\u1ea9n ANSI\/ASME B1.1 v\u00e0 BS 84-1956. \u0110\u1ec3 bi\u1ebft dung sai ch\u00ednh x\u00e1c, vui l\u00f2ng tham kh\u1ea3o th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<\/div>\n<\/section>\n

      \n

      K\u00fd hi\u1ec7u v\u00e0 vi\u1ebft t\u1eaft c\u1ee7a ch\u1ec9 kh\u00e2u<\/h2>\n

      Hi\u1ec3u r\u00f5 m\u00e3 ren l\u00e0 r\u1ea5t quan tr\u1ecdng cho vi\u1ec7c l\u1eadp \u0111\u1eb7c t\u1ea3 k\u1ef9 thu\u1eadt v\u00e0 mua s\u1eafm. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c ch\u1eef vi\u1ebft t\u1eaft th\u00f4ng d\u1ee5ng cho ren h\u1ec7 inch c\u1ee7a Anh v\u00e0 M\u1ef9:<\/p>\n

        \n
      • BA:<\/strong> Hi\u1ec7p h\u1ed9i Anh (c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u1ecf)<\/li>\n
      • BSW:<\/strong> Ti\u00eau chu\u1ea9n Anh Whitworth (lo\u1ea1i th\u00f4)<\/li>\n
      • BSF:<\/strong> Ti\u00eau chu\u1ea9n Anh Qu\u1ed1c ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t<\/li>\n
      • BSP:<\/strong> \u1ed0ng ti\u00eau chu\u1ea9n Anh (song song)<\/li>\n
      • BSPT:<\/strong> \u1ed0ng c\u00f4n theo ti\u00eau chu\u1ea9n Anh<\/li>\n
      • C\u1eed nh\u00e2n Khoa h\u1ecdc:<\/strong> Chu k\u1ef3 ti\u00eau chu\u1ea9n Anh<\/li>\n
      • UNC:<\/strong> \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia Th\u1ed1ng nh\u1ea5t<\/li>\n
      • UNF:<\/strong> Ti\u1ec1n ph\u1ea1t qu\u1ed1c gia th\u1ed1ng nh\u1ea5t<\/li>\n
      • UNEF:<\/strong> Ph\u00ed ph\u1ea1t b\u1ed5 sung qu\u1ed1c gia th\u1ed1ng nh\u1ea5t<\/li>\n
      • UNM:<\/strong> M\u00f4 h\u00ecnh thu nh\u1ecf qu\u1ed1c gia th\u1ed1ng nh\u1ea5t<\/li>\n
      • NPT:<\/strong> \u1ed0ng c\u00f4n ti\u00eau chu\u1ea9n qu\u1ed1c gia (M\u1ef9)<\/li>\n<\/ul>\n

        C\u00e1c k\u00fd hi\u1ec7u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin r\u00f5 r\u00e0ng trong b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt v\u00e0 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng, ng\u0103n ng\u1eeba s\u1ef1 kh\u00f4ng kh\u1edbp trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n<\/section>\n

        \n

        \u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn<\/h2>\n

        Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa ren Whitworth v\u00e0 ren Unified ph\u1ee5 thu\u1ed9c v\u00e0o ti\u00eau chu\u1ea9n khu v\u1ef1c, y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch. V\u00ed d\u1ee5, ren UNC \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 rung cao do b\u01b0\u1edbc ren l\u1edbn h\u01a1n gi\u00fap kh\u00f3a ch\u1eb7t h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, ren BSF cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c h\u01a1n trong m\u00e1y m\u00f3c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n

          \n
        1. \u0110\u00e1nh gi\u00e1 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng: S\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n cho c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi.<\/li>\n
        2. T\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n k\u00e9o: S\u1ee3i m\u1ea3nh h\u01a1n ph\u00e2n b\u1ed5 \u1ee9ng su\u1ea5t t\u1ed1t h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 c\u1ea7n m\u00f4-men xo\u1eafn cao h\u01a1n.<\/li>\n
        3. \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thay th\u1ebf: Ren ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n ISO \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u.<\/li>\n
        4. H\u00e3y xem x\u00e9t kh\u00eda c\u1ea1nh s\u1ea3n xu\u1ea5t: Ren th\u00f4 h\u01a1n d\u1ec5 s\u1ea3n xu\u1ea5t h\u01a1n v\u00e0 \u00edt b\u1ecb l\u1ec7ch ren h\u01a1n.<\/li>\n<\/ol>\n

          Lu\u00f4n tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh nh\u01b0 ASME B1.1-2024 \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00f4ng tin, v\u00ec c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ren lu\u00f4n \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t.<\/p>\n<\/section>\n

          \n

          C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n
          \n
          \u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ch\u1ec9 Whitworth v\u00e0 ch\u1ec9 Unified l\u00e0 g\u00ec?<\/dt>\n
          Ren Whitworth c\u00f3 g\u00f3c 55\u00b0 v\u00e0 ti\u1ebft di\u1ec7n tr\u00f2n (BS 84), trong khi ren Unified c\u00f3 g\u00f3c 60\u00b0 v\u1edbi ch\u00e2n ren ph\u1eb3ng (ANSI B1.1), \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch.<\/dd>\n
          L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i TPI sang b\u01b0\u1edbc ren t\u00ednh b\u1eb1ng inch?<\/dt>\n
          B\u01b0\u1edbc ren \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng 1 chia cho TPI (s\u1ed1 v\u00f2ng ren tr\u00ean m\u1ed7i inch). V\u00ed d\u1ee5, 20 TPI t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi b\u01b0\u1edbc ren 0,05 inch, gi\u00fap l\u1ef1a ch\u1ecdn m\u0169i khoan v\u00e0 khu\u00f4n ren ph\u00f9 h\u1ee3p.<\/dd>\n
          Ch\u1ec9 may Whitworth ng\u00e0y nay c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00f4ng?<\/dt>\n
          \u0110\u00fang v\u1eady, ch\u1ee7 y\u1ebfu trong vi\u1ec7c ph\u1ee5c ch\u1ebf thi\u1ebft b\u1ecb c\u1ed5 v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3 c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh, m\u1eb7c d\u00f9 ren Unified chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau chu\u1ea9n h\u00f3a hi\u1ec7n \u0111\u1ea1i.<\/dd>\n
          T\u00f4i n\u00ean ch\u1ecdn c\u1ea5p \u0111\u1ed9 dung sai n\u00e0o cho c\u00e1c lu\u1ed3ng h\u1ee3p nh\u1ea5t?<\/dt>\n
          Lo\u1ea1i 2A\/2B l\u00e0 ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng, c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 v\u1eeba v\u1eb7n v\u00e0 chi ph\u00ed; s\u1eed d\u1ee5ng lo\u1ea1i 3A\/3B cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 \u0111\u1ed9 r\u01a1 t\u1ed1i thi\u1ec3u.<\/dd>\n
          C\u00f3 th\u1ec3 d\u00f9ng chung ch\u1ec9 Unified v\u00e0 Whitworth v\u1edbi nhau \u0111\u01b0\u1ee3c kh\u00f4ng?<\/dt>\n
          Kh\u00f4ng, do g\u00f3c \u0111\u1ed9 v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau; vi\u1ec7c c\u1ed1 g\u1eafng ho\u00e1n \u0111\u1ed5i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c. Lu\u00f4n lu\u00f4n ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea3i kh\u1edbp nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/dd>\n<\/dl>\n
          \n
          B\u01b0\u1edbc ren \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a \u1ed1c v\u00edt nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n
          B\u01b0\u1edbc ren nh\u1ecf h\u01a1n (TPI cao h\u01a1n) l\u00e0m t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac c\u1ee7a ren, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n k\u00e9o nh\u01b0ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1eaft trong c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m.<\/dd>\n<\/dl>\n<\/section>","protected":false},"excerpt":{"rendered":"

          Introduction to Inch-Based Screw Threads Inch-based screw threads are essential in mechanical engineering, particularly in industries adhering to imperial measurements. This guide focuses on the British Whitworth system and the American Unified standard, providing detailed parameters for nominal diameters, threads per inch (TPI), and pitch. These systems are used in fasteners, pipes, and machinery, with […]<\/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-5780","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\/5780","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=5780"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5780\/revisions"}],"predecessor-version":[{"id":5782,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5780\/revisions\/5782"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5780"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}