{"id":5754,"date":"2025-12-24T05:13:20","date_gmt":"2025-12-24T05:13:20","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5754"},"modified":"2025-12-24T05:13:20","modified_gmt":"2025-12-24T05:13:20","slug":"gb-t-196-basic-metric-thread-dimensions","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/gb-t-196-basic-metric-thread-dimensions\/","title":{"rendered":"GB\/T 196: K\u00edch th\u01b0\u1edbc ren c\u01a1 b\u1ea3n h\u1ec7 m\u00e9t"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 Ti\u00eau chu\u1ea9n GB\/T 196<\/h1>\n
\n

Ti\u00eau chu\u1ea9n GB\/T 196-2003 quy \u0111\u1ecbnh c\u00e1c k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n cho ren h\u1ec7 m\u00e9t th\u00f4ng d\u1ee5ng, nh\u01b0 \u0111\u01b0\u1ee3c tham chi\u1ebfu trong GB\/T 192-2003 v\u00e0 GB\/T 193-2003. Ti\u00eau chu\u1ea9n n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i c\u01a1 kh\u00ed m\u00e0 ren kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng l\u00e0m k\u00edn. N\u00f3 quy \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (D, d), b\u01b0\u1edbc ren (P), \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren (D2, d2) v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong (D1, d1) t\u00ednh b\u1eb1ng milim\u00e9t, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 b\u1ec1n trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p. C\u00e1c k\u1ef9 s\u01b0 d\u1ef1a v\u00e0o c\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c m\u1ed1i n\u1ed1i \u0111\u00e1ng tin c\u1eady, ng\u0103n ng\u1eeba c\u00e1c h\u1ecfng h\u00f3c do kh\u00f4ng kh\u1edbp ho\u1eb7c qu\u00e1 t\u1ea3i. Vi\u1ec7c tu\u00e2n th\u1ee7 ch\u00ednh x\u00e1c gi\u00fap gi\u1ea3m thi\u1ec3u dung sai s\u1ea3n xu\u1ea5t v\u00e0 t\u0103ng c\u01b0\u1eddng an to\u00e0n s\u1ea3n ph\u1ea9m trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4 v\u00e0 m\u00e1y m\u00f3c.<\/p>\n

C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y \u00e1p d\u1ee5ng cho c\u1ea3 b\u01b0\u1edbc ren th\u00f4 v\u00e0 m\u1ecbn, h\u1ed7 tr\u1ee3 s\u1ea3n xu\u1ea5t theo ti\u00eau chu\u1ea9n. \u0110\u1ec3 s\u1eed d\u1ee5ng t\u1ed1i \u01b0u, h\u00e3y k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n dung sai \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c c\u1ea5p \u0111\u1ed9 l\u1eafp gh\u00e9p mong mu\u1ed1n, c\u00e2n b\u1eb1ng gi\u1eefa s\u1ef1 d\u1ec5 d\u00e0ng l\u1eafp r\u00e1p v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef ch\u1eafc.<\/p>\n<\/div>\n

Ph\u1ea1m vi<\/h2>\n
\n

Ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m c\u00e1c k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n cho c\u00e1c lo\u1ea1i ren th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c l\u1eafp r\u00e1p c\u01a1 kh\u00ed n\u00f3i chung. N\u00f3 kh\u00f4ng bao g\u1ed3m c\u00e1c lo\u1ea1i ren chuy\u00ean d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m k\u00edn ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao. L\u1ee3i \u00edch ch\u00ednh bao g\u1ed3m k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch 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 s\u1eeda ch\u1eefa. C\u00e1c chuy\u00ean gia n\u00ean ki\u1ec3m tra k\u00edch th\u01b0\u1edbc so v\u1edbi c\u00e1c y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng c\u1ee5 th\u1ec3, xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn.<\/p>\n

    \n
  • Th\u00edch h\u1ee3p cho \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 1 mm \u0111\u1ebfn 300 mm.<\/li>\n
  • T\u1eadp trung v\u00e0o c\u00e1c m\u1ed1i n\u1ed1i \u0111a n\u0103ng, kh\u00f4ng c\u1ea7n ni\u00eam phong.<\/li>\n
  • H\u01b0\u1edbng d\u1eabn: S\u1eed d\u1ee5ng cho bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 v\u00edt trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ti\u00eau chu\u1ea9n.<\/li>\n<\/ul>\n<\/div>\n

    K\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n<\/h2>\n
    \n

    B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y li\u1ec7t k\u00ea \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i danh ngh\u0129a (D, d), b\u01b0\u1edbc ren (P), \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren (D2, d2) v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong danh ngh\u0129a (D1, d1) t\u00ednh b\u1eb1ng mm. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y r\u1ea5t quan tr\u1ecdng cho vi\u1ec7c t\u00ednh to\u00e1n bi\u00ean d\u1ea1ng ren, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0103n kh\u1edbp v\u00e0 ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c. \u0110\u1ed1i v\u1edbi ren nhi\u1ec1u v\u00f2ng ho\u1eb7c b\u01b0\u1edbc ren t\u00f9y ch\u1ec9nh, h\u00e3y tham kh\u1ea3o th\u00eam c\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c. M\u1eb9o th\u1ef1c t\u1ebf: Lu\u00f4n \u0111o k\u00edch th\u01b0\u1edbc ren th\u1ef1c t\u1ebf \u0111\u1ec3 t\u00ednh \u0111\u1ebfn sai l\u1ec7ch trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p.<\/p>\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\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\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\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\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\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\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\n\n\n\n\n
    \u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a (ch\u00ednh) D, d<\/th>\nCao \u0111\u1ed9 P<\/th>\n\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng D2<\/sub>, d2<\/sub><\/th>\n\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf D1<\/sub>, d1<\/sub><\/th>\n<\/tr>\n<\/thead>\n
    1<\/td>\n0.25<\/td>\n0.838<\/td>\n0.729<\/td>\n<\/tr>\n
    0.2<\/td>\n0.87<\/td>\n0.783<\/td>\n<\/tr>\n
    1.1<\/td>\n0.25<\/td>\n0.938<\/td>\n0.829<\/td>\n<\/tr>\n
    0.2<\/td>\n0.97<\/td>\n0.883<\/td>\n<\/tr>\n
    1.2<\/td>\n0.25<\/td>\n1.038<\/td>\n0.929<\/td>\n<\/tr>\n
    0.2<\/td>\n1.07<\/td>\n0.983<\/td>\n<\/tr>\n
    1.4<\/td>\n0.3<\/td>\n1.205<\/td>\n1.075<\/td>\n<\/tr>\n
    0.2<\/td>\n1.27<\/td>\n1.183<\/td>\n<\/tr>\n
    1.6<\/td>\n0.35<\/td>\n1.373<\/td>\n1.221<\/td>\n<\/tr>\n
    0.2<\/td>\n1.47<\/td>\n1.383<\/td>\n<\/tr>\n
    1.8<\/td>\n0.35<\/td>\n1.573<\/td>\n1.421<\/td>\n<\/tr>\n
    0.2<\/td>\n1.67<\/td>\n1.583<\/td>\n<\/tr>\n
    2<\/td>\n0.4<\/td>\n1.74<\/td>\n1.567<\/td>\n<\/tr>\n
    0.25<\/td>\n1.838<\/td>\n1.729<\/td>\n<\/tr>\n
    2.2<\/td>\n0.45<\/td>\n1.908<\/td>\n1.713<\/td>\n<\/tr>\n
    0.25<\/td>\n2.038<\/td>\n1.929<\/td>\n<\/tr>\n
    2.5<\/td>\n0.45<\/td>\n2.208<\/td>\n2.013<\/td>\n<\/tr>\n
    0.35<\/td>\n2.273<\/td>\n2.121<\/td>\n<\/tr>\n
    3<\/td>\n0.5<\/td>\n2.675<\/td>\n2.459<\/td>\n<\/tr>\n
    0.35<\/td>\n2.773<\/td>\n2.621<\/td>\n<\/tr>\n
    3.5<\/td>\n0.6<\/td>\n3.11<\/td>\n2.85<\/td>\n<\/tr>\n
    0.35<\/td>\n3.273<\/td>\n3.121<\/td>\n<\/tr>\n
    4<\/td>\n0.7<\/td>\n3.545<\/td>\n3.242<\/td>\n<\/tr>\n
    0.5<\/td>\n3.675<\/td>\n3.459<\/td>\n<\/tr>\n
    4.5<\/td>\n0.75<\/td>\n4.013<\/td>\n3.688<\/td>\n<\/tr>\n
    0.5<\/td>\n4.175<\/td>\n3.959<\/td>\n<\/tr>\n
    5<\/td>\n0.8<\/td>\n4.48<\/td>\n4.134<\/td>\n<\/tr>\n
    0.5<\/td>\n4.675<\/td>\n4.459<\/td>\n<\/tr>\n
    5.5<\/td>\n0.5<\/td>\n5.175<\/td>\n4.959<\/td>\n<\/tr>\n
    6<\/td>\n1<\/td>\n5.35<\/td>\n4.917<\/td>\n<\/tr>\n
    0.75<\/td>\n5.513<\/td>\n5.188<\/td>\n<\/tr>\n
    7<\/td>\n1<\/td>\n6.35<\/td>\n5.917<\/td>\n<\/tr>\n
    0.75<\/td>\n6.513<\/td>\n6.188<\/td>\n<\/tr>\n
    8<\/td>\n1.25<\/td>\n7.188<\/td>\n6.647<\/td>\n<\/tr>\n
    1<\/td>\n7.35<\/td>\n6.917<\/td>\n<\/tr>\n
    0.75<\/td>\n7.513<\/td>\n7.188<\/td>\n<\/tr>\n
    9<\/td>\n1.25<\/td>\n8.188<\/td>\n7.647<\/td>\n<\/tr>\n
    1<\/td>\n8.35<\/td>\n7.917<\/td>\n<\/tr>\n
    0.75<\/td>\n8.513<\/td>\n8.188<\/td>\n<\/tr>\n
    10<\/td>\n1.5<\/td>\n9.026<\/td>\n8.376<\/td>\n<\/tr>\n
    1.25<\/td>\n9.188<\/td>\n8.647<\/td>\n<\/tr>\n
    1<\/td>\n9.35<\/td>\n8.917<\/td>\n<\/tr>\n
    0.75<\/td>\n9.513<\/td>\n9.188<\/td>\n<\/tr>\n
    11<\/td>\n1.5<\/td>\n10.026<\/td>\n9.376<\/td>\n<\/tr>\n
    1<\/td>\n10.35<\/td>\n9.917<\/td>\n<\/tr>\n
    0.75<\/td>\n10.513<\/td>\n10.188<\/td>\n<\/tr>\n
    12<\/td>\n1.75<\/td>\n10.863<\/td>\n10.106<\/td>\n<\/tr>\n
    1.5<\/td>\n11.026<\/td>\n10.376<\/td>\n<\/tr>\n
    1.25<\/td>\n11.188<\/td>\n10.647<\/td>\n<\/tr>\n
    1<\/td>\n11.35<\/td>\n10.917<\/td>\n<\/tr>\n
    14<\/td>\n2<\/td>\n12.701<\/td>\n11.835<\/td>\n<\/tr>\n
    1.5<\/td>\n13.026<\/td>\n12.376<\/td>\n<\/tr>\n
    1.25<\/td>\n13.188<\/td>\n12.647<\/td>\n<\/tr>\n
    1<\/td>\n13.35<\/td>\n12.917<\/td>\n<\/tr>\n
    15<\/td>\n1.5<\/td>\n14.026<\/td>\n13.376<\/td>\n<\/tr>\n
    1<\/td>\n14.35<\/td>\n13.917<\/td>\n<\/tr>\n
    16<\/td>\n2<\/td>\n14.701<\/td>\n13.835<\/td>\n<\/tr>\n
    1.5<\/td>\n15.026<\/td>\n14.376<\/td>\n<\/tr>\n
    1<\/td>\n15.35<\/td>\n14.917<\/td>\n<\/tr>\n
    17<\/td>\n1.5<\/td>\n16.026<\/td>\n15.376<\/td>\n<\/tr>\n
    1<\/td>\n16.35<\/td>\n15.917<\/td>\n<\/tr>\n
    18<\/td>\n2.5<\/td>\n16.376<\/td>\n15.294<\/td>\n<\/tr>\n
    2<\/td>\n16.701<\/td>\n15.835<\/td>\n<\/tr>\n
    1.5<\/td>\n17.026<\/td>\n16.376<\/td>\n<\/tr>\n
    1<\/td>\n17.35<\/td>\n16.917<\/td>\n<\/tr>\n
    20<\/td>\n2.5<\/td>\n18.376<\/td>\n17.294<\/td>\n<\/tr>\n
    2<\/td>\n18.701<\/td>\n17.835<\/td>\n<\/tr>\n
    1.5<\/td>\n19.026<\/td>\n18.376<\/td>\n<\/tr>\n
    1<\/td>\n19.35<\/td>\n18.917<\/td>\n<\/tr>\n
    22<\/td>\n2.5<\/td>\n20.376<\/td>\n19.294<\/td>\n<\/tr>\n
    2<\/td>\n20.701<\/td>\n19.835<\/td>\n<\/tr>\n
    1.5<\/td>\n21.026<\/td>\n20.376<\/td>\n<\/tr>\n
    1<\/td>\n21.35<\/td>\n20.917<\/td>\n<\/tr>\n
    24<\/td>\n3<\/td>\n22.051<\/td>\n20.752<\/td>\n<\/tr>\n
    2<\/td>\n22.701<\/td>\n21.835<\/td>\n<\/tr>\n
    1.5<\/td>\n23.026<\/td>\n22.376<\/td>\n<\/tr>\n
    1<\/td>\n23.35<\/td>\n22.917<\/td>\n<\/tr>\n
    25<\/td>\n2<\/td>\n23.701<\/td>\n22.835<\/td>\n<\/tr>\n
    1.5<\/td>\n24.026<\/td>\n23.376<\/td>\n<\/tr>\n
    1<\/td>\n24.35<\/td>\n23.917<\/td>\n<\/tr>\n
    26<\/td>\n1.5<\/td>\n25.026<\/td>\n24.376<\/td>\n<\/tr>\n
    27<\/td>\n3<\/td>\n25.051<\/td>\n23.752<\/td>\n<\/tr>\n
    2<\/td>\n25.701<\/td>\n24.835<\/td>\n<\/tr>\n
    1.5<\/td>\n26.026<\/td>\n25.376<\/td>\n<\/tr>\n
    1<\/td>\n26.35<\/td>\n25.917<\/td>\n<\/tr>\n
    28<\/td>\n2<\/td>\n26.701<\/td>\n25.835<\/td>\n<\/tr>\n
    1.5<\/td>\n27.026<\/td>\n26.376<\/td>\n<\/tr>\n
    1<\/td>\n27.35<\/td>\n26.917<\/td>\n<\/tr>\n
    30<\/td>\n3.5<\/td>\n27.727<\/td>\n26.211<\/td>\n<\/tr>\n
    3<\/td>\n28.051<\/td>\n26.752<\/td>\n<\/tr>\n
    2<\/td>\n28.701<\/td>\n27.835<\/td>\n<\/tr>\n
    1.5<\/td>\n29.026<\/td>\n28.376<\/td>\n<\/tr>\n
    1<\/td>\n29.35<\/td>\n28.917<\/td>\n<\/tr>\n
    32<\/td>\n2<\/td>\n30.701<\/td>\n29.835<\/td>\n<\/tr>\n
    1.5<\/td>\n31.026<\/td>\n30.376<\/td>\n<\/tr>\n
    33<\/td>\n3.5<\/td>\n30.727<\/td>\n29.211<\/td>\n<\/tr>\n
    3<\/td>\n31.051<\/td>\n29.752<\/td>\n<\/tr>\n
    2<\/td>\n31.701<\/td>\n30.835<\/td>\n<\/tr>\n
    1.5<\/td>\n32.026<\/td>\n31.376<\/td>\n<\/tr>\n
    35<\/td>\n1.5<\/td>\n34.026<\/td>\n33.376<\/td>\n<\/tr>\n
    36<\/td>\n4<\/td>\n33.402<\/td>\n31.67<\/td>\n<\/tr>\n
    3<\/td>\n34.051<\/td>\n32.752<\/td>\n<\/tr>\n
    2<\/td>\n34.701<\/td>\n33.835<\/td>\n<\/tr>\n
    1.5<\/td>\n35.026<\/td>\n34.376<\/td>\n<\/tr>\n
    38<\/td>\n1.5<\/td>\n37.026<\/td>\n36.376<\/td>\n<\/tr>\n
    39<\/td>\n4<\/td>\n36.402<\/td>\n34.67<\/td>\n<\/tr>\n
    3<\/td>\n37.051<\/td>\n35.752<\/td>\n<\/tr>\n
    2<\/td>\n37.701<\/td>\n36.835<\/td>\n<\/tr>\n
    1.5<\/td>\n38.026<\/td>\n37.376<\/td>\n<\/tr>\n
    40<\/td>\n3<\/td>\n38.051<\/td>\n36.752<\/td>\n<\/tr>\n
    2<\/td>\n38.701<\/td>\n37.835<\/td>\n<\/tr>\n
    1.5<\/td>\n39.026<\/td>\n38.376<\/td>\n<\/tr>\n
    42<\/td>\n4.5<\/td>\n39.077<\/td>\n37.129<\/td>\n<\/tr>\n
    4<\/td>\n39.402<\/td>\n37.67<\/td>\n<\/tr>\n
    3<\/td>\n40.051<\/td>\n38.752<\/td>\n<\/tr>\n
    2<\/td>\n40.701<\/td>\n39.835<\/td>\n<\/tr>\n
    1.5<\/td>\n41.026<\/td>\n40.376<\/td>\n<\/tr>\n
    45<\/td>\n4.5<\/td>\n42.077<\/td>\n40.129<\/td>\n<\/tr>\n
    4<\/td>\n42.402<\/td>\n40.67<\/td>\n<\/tr>\n
    3<\/td>\n43.051<\/td>\n41.752<\/td>\n<\/tr>\n
    2<\/td>\n43.701<\/td>\n42.835<\/td>\n<\/tr>\n
    1.5<\/td>\n44.026<\/td>\n43.376<\/td>\n<\/tr>\n
    48<\/td>\n5<\/td>\n44.752<\/td>\n42.587<\/td>\n<\/tr>\n
    4<\/td>\n45.402<\/td>\n43.67<\/td>\n<\/tr>\n
    3<\/td>\n46.051<\/td>\n44.752<\/td>\n<\/tr>\n
    2<\/td>\n46.701<\/td>\n45.835<\/td>\n<\/tr>\n
    1.5<\/td>\n47.026<\/td>\n46.375<\/td>\n<\/tr>\n
    50<\/td>\n3<\/td>\n48.051<\/td>\n46.752<\/td>\n<\/tr>\n
    2<\/td>\n48.701<\/td>\n47.835<\/td>\n<\/tr>\n
    1.5<\/td>\n49.026<\/td>\n48.376<\/td>\n<\/tr>\n
    52<\/td>\n5<\/td>\n48.752<\/td>\n46.587<\/td>\n<\/tr>\n
    4<\/td>\n49.402<\/td>\n47.67<\/td>\n<\/tr>\n
    3<\/td>\n50.051<\/td>\n48.752<\/td>\n<\/tr>\n
    2<\/td>\n50.701<\/td>\n49.835<\/td>\n<\/tr>\n
    1.5<\/td>\n51.026<\/td>\n50.376<\/td>\n<\/tr>\n
    55<\/td>\n4<\/td>\n52.402<\/td>\n50.67<\/td>\n<\/tr>\n
    3<\/td>\n53.051<\/td>\n51.752<\/td>\n<\/tr>\n
    2<\/td>\n53.701<\/td>\n52.835<\/td>\n<\/tr>\n
    1.5<\/td>\n54.026<\/td>\n53.376<\/td>\n<\/tr>\n
    56<\/td>\n5.5<\/td>\n52.428<\/td>\n50.046<\/td>\n<\/tr>\n
    4<\/td>\n53.402<\/td>\n51.67<\/td>\n<\/tr>\n
    3<\/td>\n54.051<\/td>\n52.752<\/td>\n<\/tr>\n
    2<\/td>\n54.701<\/td>\n53.835<\/td>\n<\/tr>\n
    1.5<\/td>\n55.026<\/td>\n54.376<\/td>\n<\/tr>\n
    58<\/td>\n4<\/td>\n55.402<\/td>\n53.67<\/td>\n<\/tr>\n
    3<\/td>\n56.051<\/td>\n54.752<\/td>\n<\/tr>\n
    2<\/td>\n56.701<\/td>\n55.835<\/td>\n<\/tr>\n
    1.5<\/td>\n57.026<\/td>\n56.376<\/td>\n<\/tr>\n
    60<\/td>\n5.5<\/td>\n56.428<\/td>\n54.046<\/td>\n<\/tr>\n
    4<\/td>\n57.402<\/td>\n55.67<\/td>\n<\/tr>\n
    3<\/td>\n58.051<\/td>\n56.752<\/td>\n<\/tr>\n
    2<\/td>\n58.701<\/td>\n57.835<\/td>\n<\/tr>\n
    1.5<\/td>\n59.026<\/td>\n58.376<\/td>\n<\/tr>\n
    62<\/td>\n4<\/td>\n59.402<\/td>\n57.67<\/td>\n<\/tr>\n
    3<\/td>\n60.051<\/td>\n58.752<\/td>\n<\/tr>\n
    2<\/td>\n60.701<\/td>\n59.835<\/td>\n<\/tr>\n
    1.5<\/td>\n61.026<\/td>\n60.376<\/td>\n<\/tr>\n
    64<\/td>\n6<\/td>\n60.103<\/td>\n57.505<\/td>\n<\/tr>\n
    4<\/td>\n61.402<\/td>\n59.67<\/td>\n<\/tr>\n
    3<\/td>\n62.051<\/td>\n60.752<\/td>\n<\/tr>\n
    2<\/td>\n62.701<\/td>\n61.835<\/td>\n<\/tr>\n
    1.5<\/td>\n63.026<\/td>\n62.376<\/td>\n<\/tr>\n
    65<\/td>\n4<\/td>\n62.402<\/td>\n60.67<\/td>\n<\/tr>\n
    3<\/td>\n63.051<\/td>\n61.752<\/td>\n<\/tr>\n
    2<\/td>\n63.701<\/td>\n62.835<\/td>\n<\/tr>\n
    1.5<\/td>\n64.026<\/td>\n63.376<\/td>\n<\/tr>\n
    68<\/td>\n6<\/td>\n64.103<\/td>\n61.505<\/td>\n<\/tr>\n
    4<\/td>\n65.402<\/td>\n63.67<\/td>\n<\/tr>\n
    3<\/td>\n66.051<\/td>\n64.752<\/td>\n<\/tr>\n
    2<\/td>\n66.701<\/td>\n65.835<\/td>\n<\/tr>\n
    1.5<\/td>\n67.026<\/td>\n66.376<\/td>\n<\/tr>\n
    70<\/td>\n6<\/td>\n66.103<\/td>\n63.505<\/td>\n<\/tr>\n
    4<\/td>\n67.402<\/td>\n65.67<\/td>\n<\/tr>\n
    3<\/td>\n68.051<\/td>\n66.752<\/td>\n<\/tr>\n
    2<\/td>\n68.701<\/td>\n67.835<\/td>\n<\/tr>\n
    1.5<\/td>\n69.026<\/td>\n68.376<\/td>\n<\/tr>\n
    72<\/td>\n6<\/td>\n68.103<\/td>\n65.505<\/td>\n<\/tr>\n
    4<\/td>\n69.402<\/td>\n67.67<\/td>\n<\/tr>\n
    3<\/td>\n70.051<\/td>\n68.752<\/td>\n<\/tr>\n
    2<\/td>\n70.701<\/td>\n69.835<\/td>\n<\/tr>\n
    1.5<\/td>\n71.026<\/td>\n70.376<\/td>\n<\/tr>\n
    75<\/td>\n4<\/td>\n72.402<\/td>\n70.67<\/td>\n<\/tr>\n
    3<\/td>\n73.051<\/td>\n71.752<\/td>\n<\/tr>\n
    2<\/td>\n73.701<\/td>\n72.835<\/td>\n<\/tr>\n
    1.5<\/td>\n74.026<\/td>\n73.376<\/td>\n<\/tr>\n
    76<\/td>\n6<\/td>\n72.103<\/td>\n69.505<\/td>\n<\/tr>\n
    4<\/td>\n73.402<\/td>\n71.67<\/td>\n<\/tr>\n
    3<\/td>\n74.051<\/td>\n72.752<\/td>\n<\/tr>\n
    2<\/td>\n74.701<\/td>\n73.835<\/td>\n<\/tr>\n
    1.5<\/td>\n75.026<\/td>\n74.376<\/td>\n<\/tr>\n
    78<\/td>\n2<\/td>\n76.7<\/td>\n75.835<\/td>\n<\/tr>\n
    80<\/td>\n6<\/td>\n76.103<\/td>\n73.505<\/td>\n<\/tr>\n
    4<\/td>\n77.402<\/td>\n75.67<\/td>\n<\/tr>\n
    3<\/td>\n78.051<\/td>\n76.752<\/td>\n<\/tr>\n
    2<\/td>\n78.701<\/td>\n77.835<\/td>\n<\/tr>\n
    1.5<\/td>\n79.026<\/td>\n78.376<\/td>\n<\/tr>\n
    82<\/td>\n2<\/td>\n80.701<\/td>\n79.835<\/td>\n<\/tr>\n
    85<\/td>\n6<\/td>\n81.103<\/td>\n78.505<\/td>\n<\/tr>\n
    4<\/td>\n82.402<\/td>\n80.67<\/td>\n<\/tr>\n
    3<\/td>\n83.051<\/td>\n81.752<\/td>\n<\/tr>\n
    2<\/td>\n83.701<\/td>\n82.835<\/td>\n<\/tr>\n
    90<\/td>\n6<\/td>\n86.103<\/td>\n83.505<\/td>\n<\/tr>\n
    4<\/td>\n87.402<\/td>\n85.67<\/td>\n<\/tr>\n
    3<\/td>\n88.051<\/td>\n86.752<\/td>\n<\/tr>\n
    2<\/td>\n88.701<\/td>\n87.835<\/td>\n<\/tr>\n
    95<\/td>\n6<\/td>\n91.103<\/td>\n88.505<\/td>\n<\/tr>\n
    4<\/td>\n92.402<\/td>\n90.67<\/td>\n<\/tr>\n
    3<\/td>\n93.051<\/td>\n91.752<\/td>\n<\/tr>\n
    2<\/td>\n93.701<\/td>\n92.835<\/td>\n<\/tr>\n
    100<\/td>\n6<\/td>\n96.103<\/td>\n93.505<\/td>\n<\/tr>\n
    4<\/td>\n97.402<\/td>\n95.67<\/td>\n<\/tr>\n
    3<\/td>\n98.051<\/td>\n96.752<\/td>\n<\/tr>\n
    2<\/td>\n98.701<\/td>\n97.835<\/td>\n<\/tr>\n
    105<\/td>\n6<\/td>\n101.103<\/td>\n98.505<\/td>\n<\/tr>\n
    4<\/td>\n102.402<\/td>\n100.67<\/td>\n<\/tr>\n
    3<\/td>\n103.051<\/td>\n101.752<\/td>\n<\/tr>\n
    2<\/td>\n103.701<\/td>\n102.835<\/td>\n<\/tr>\n
    110<\/td>\n6<\/td>\n106.103<\/td>\n103.505<\/td>\n<\/tr>\n
    4<\/td>\n107.402<\/td>\n105.67<\/td>\n<\/tr>\n
    3<\/td>\n108.051<\/td>\n106.752<\/td>\n<\/tr>\n
    2<\/td>\n108.701<\/td>\n107.835<\/td>\n<\/tr>\n
    115<\/td>\n6<\/td>\n111.103<\/td>\n108.505<\/td>\n<\/tr>\n
    4<\/td>\n112.402<\/td>\n110.67<\/td>\n<\/tr>\n
    3<\/td>\n113.051<\/td>\n111.752<\/td>\n<\/tr>\n
    2<\/td>\n113.701<\/td>\n112.835<\/td>\n<\/tr>\n
    120<\/td>\n6<\/td>\n116.103<\/td>\n113.505<\/td>\n<\/tr>\n
    4<\/td>\n117.402<\/td>\n115.67<\/td>\n<\/tr>\n
    3<\/td>\n118.051<\/td>\n116.752<\/td>\n<\/tr>\n
    2<\/td>\n118.701<\/td>\n117.835<\/td>\n<\/tr>\n
    125<\/td>\n6<\/td>\n121.103<\/td>\n118.505<\/td>\n<\/tr>\n
    4<\/td>\n122.402<\/td>\n120.67<\/td>\n<\/tr>\n
    3<\/td>\n123.051<\/td>\n121.752<\/td>\n<\/tr>\n
    2<\/td>\n123.701<\/td>\n122.835<\/td>\n<\/tr>\n
    130<\/td>\n6<\/td>\n126.103<\/td>\n123.505<\/td>\n<\/tr>\n
    4<\/td>\n127.402<\/td>\n125.67<\/td>\n<\/tr>\n
    3<\/td>\n128.051<\/td>\n126.752<\/td>\n<\/tr>\n
    2<\/td>\n128.701<\/td>\n127.835<\/td>\n<\/tr>\n
    135<\/td>\n6<\/td>\n131.103<\/td>\n128.505<\/td>\n<\/tr>\n
    4<\/td>\n132.402<\/td>\n130.67<\/td>\n<\/tr>\n
    3<\/td>\n133.051<\/td>\n131.752<\/td>\n<\/tr>\n
    2<\/td>\n133.701<\/td>\n132.835<\/td>\n<\/tr>\n
    140<\/td>\n6<\/td>\n136.103<\/td>\n133.505<\/td>\n<\/tr>\n
    4<\/td>\n137.402<\/td>\n135.67<\/td>\n<\/tr>\n
    3<\/td>\n138.051<\/td>\n136.752<\/td>\n<\/tr>\n
    2<\/td>\n138.701<\/td>\n137.835<\/td>\n<\/tr>\n
    145<\/td>\n6<\/td>\n141.103<\/td>\n138.505<\/td>\n<\/tr>\n
    4<\/td>\n142.402<\/td>\n140.67<\/td>\n<\/tr>\n
    3<\/td>\n143.051<\/td>\n141.752<\/td>\n<\/tr>\n
    2<\/td>\n143.701<\/td>\n142.835<\/td>\n<\/tr>\n
    150<\/td>\n8<\/td>\n144.804<\/td>\n141.34<\/td>\n<\/tr>\n
    6<\/td>\n146.103<\/td>\n143.505<\/td>\n<\/tr>\n
    4<\/td>\n147.402<\/td>\n145.67<\/td>\n<\/tr>\n
    3<\/td>\n148.051<\/td>\n146.752<\/td>\n<\/tr>\n
    2<\/td>\n148.701<\/td>\n147.835<\/td>\n<\/tr>\n
    155<\/td>\n6<\/td>\n151.103<\/td>\n148.505<\/td>\n<\/tr>\n
    4<\/td>\n152.402<\/td>\n150.67<\/td>\n<\/tr>\n
    3<\/td>\n153.051<\/td>\n151.752<\/td>\n<\/tr>\n
    160<\/td>\n8<\/td>\n154.804<\/td>\n151.34<\/td>\n<\/tr>\n
    6<\/td>\n156.103<\/td>\n153.505<\/td>\n<\/tr>\n
    4<\/td>\n157.402<\/td>\n155.67<\/td>\n<\/tr>\n
    3<\/td>\n158.051<\/td>\n156.752<\/td>\n<\/tr>\n
    165<\/td>\n6<\/td>\n161.103<\/td>\n158.505<\/td>\n<\/tr>\n
    4<\/td>\n162.402<\/td>\n160.67<\/td>\n<\/tr>\n
    3<\/td>\n163.051<\/td>\n161.752<\/td>\n<\/tr>\n
    170<\/td>\n8<\/td>\n164.804<\/td>\n161.34<\/td>\n<\/tr>\n
    6<\/td>\n166.103<\/td>\n163.505<\/td>\n<\/tr>\n
    4<\/td>\n167.402<\/td>\n165.67<\/td>\n<\/tr>\n
    3<\/td>\n168.051<\/td>\n166.752<\/td>\n<\/tr>\n
    175<\/td>\n6<\/td>\n171.103<\/td>\n168.505<\/td>\n<\/tr>\n
    4<\/td>\n172.402<\/td>\n170.67<\/td>\n<\/tr>\n
    3<\/td>\n173.051<\/td>\n171.752<\/td>\n<\/tr>\n
    180<\/td>\n8<\/td>\n174.804<\/td>\n171.34<\/td>\n<\/tr>\n
    6<\/td>\n176.103<\/td>\n173.505<\/td>\n<\/tr>\n
    4<\/td>\n177.402<\/td>\n175.67<\/td>\n<\/tr>\n
    3<\/td>\n178.051<\/td>\n176.752<\/td>\n<\/tr>\n
    185<\/td>\n6<\/td>\n181.103<\/td>\n178.505<\/td>\n<\/tr>\n
    4<\/td>\n182.402<\/td>\n180.67<\/td>\n<\/tr>\n
    3<\/td>\n183.051<\/td>\n181.752<\/td>\n<\/tr>\n
    190<\/td>\n8<\/td>\n184.804<\/td>\n181.34<\/td>\n<\/tr>\n
    6<\/td>\n186.103<\/td>\n183.505<\/td>\n<\/tr>\n
    4<\/td>\n187.402<\/td>\n185.67<\/td>\n<\/tr>\n
    3<\/td>\n188.051<\/td>\n186.752<\/td>\n<\/tr>\n
    195<\/td>\n6<\/td>\n191.103<\/td>\n188.505<\/td>\n<\/tr>\n
    4<\/td>\n192.402<\/td>\n190.67<\/td>\n<\/tr>\n
    3<\/td>\n193.051<\/td>\n191.752<\/td>\n<\/tr>\n
    200<\/td>\n8<\/td>\n194.804<\/td>\n191.34<\/td>\n<\/tr>\n
    6<\/td>\n196.103<\/td>\n193.505<\/td>\n<\/tr>\n
    4<\/td>\n197.402<\/td>\n195.67<\/td>\n<\/tr>\n
    3<\/td>\n198.051<\/td>\n196.752<\/td>\n<\/tr>\n
    205<\/td>\n6<\/td>\n201.103<\/td>\n198.505<\/td>\n<\/tr>\n
    4<\/td>\n202.402<\/td>\n200.67<\/td>\n<\/tr>\n
    3<\/td>\n203.051<\/td>\n201.752<\/td>\n<\/tr>\n
    210<\/td>\n8<\/td>\n204.804<\/td>\n201.34<\/td>\n<\/tr>\n
    6<\/td>\n206.103<\/td>\n203.505<\/td>\n<\/tr>\n
    4<\/td>\n207.402<\/td>\n205.67<\/td>\n<\/tr>\n
    3<\/td>\n208.051<\/td>\n206.752<\/td>\n<\/tr>\n
    215<\/td>\n6<\/td>\n211.103<\/td>\n208.505<\/td>\n<\/tr>\n
    4<\/td>\n212.402<\/td>\n210.67<\/td>\n<\/tr>\n
    3<\/td>\n213.051<\/td>\n211.752<\/td>\n<\/tr>\n
    220<\/td>\n8<\/td>\n214.804<\/td>\n211.34<\/td>\n<\/tr>\n
    6<\/td>\n216.103<\/td>\n213.505<\/td>\n<\/tr>\n
    4<\/td>\n217.402<\/td>\n215.67<\/td>\n<\/tr>\n
    3<\/td>\n218.051<\/td>\n216.752<\/td>\n<\/tr>\n
    225<\/td>\n6<\/td>\n221.103<\/td>\n218.505<\/td>\n<\/tr>\n
    4<\/td>\n222.402<\/td>\n220.67<\/td>\n<\/tr>\n
    3<\/td>\n223.051<\/td>\n221.752<\/td>\n<\/tr>\n
    230<\/td>\n8<\/td>\n224.804<\/td>\n221.34<\/td>\n<\/tr>\n
    6<\/td>\n226.103<\/td>\n223.505<\/td>\n<\/tr>\n
    4<\/td>\n227.402<\/td>\n225.67<\/td>\n<\/tr>\n
    3<\/td>\n228.051<\/td>\n226.752<\/td>\n<\/tr>\n
    235<\/td>\n6<\/td>\n231.103<\/td>\n228.505<\/td>\n<\/tr>\n
    4<\/td>\n232.402<\/td>\n230.67<\/td>\n<\/tr>\n
    3<\/td>\n233.051<\/td>\n231.752<\/td>\n<\/tr>\n
    240<\/td>\n8<\/td>\n234.804<\/td>\n231.34<\/td>\n<\/tr>\n
    6<\/td>\n236.103<\/td>\n233.505<\/td>\n<\/tr>\n
    4<\/td>\n237.402<\/td>\n235.67<\/td>\n<\/tr>\n
    3<\/td>\n238.051<\/td>\n236.752<\/td>\n<\/tr>\n
    245<\/td>\n6<\/td>\n241.103<\/td>\n238.505<\/td>\n<\/tr>\n
    4<\/td>\n242.402<\/td>\n240.67<\/td>\n<\/tr>\n
    3<\/td>\n243.051<\/td>\n241.752<\/td>\n<\/tr>\n
    250<\/td>\n8<\/td>\n244.804<\/td>\n241.34<\/td>\n<\/tr>\n
    6<\/td>\n246.103<\/td>\n243.505<\/td>\n<\/tr>\n
    4<\/td>\n247.402<\/td>\n245.67<\/td>\n<\/tr>\n
    3<\/td>\n248.051<\/td>\n246.752<\/td>\n<\/tr>\n
    255<\/td>\n6<\/td>\n251.103<\/td>\n248.505<\/td>\n<\/tr>\n
    4<\/td>\n252.402<\/td>\n250.67<\/td>\n<\/tr>\n
    260<\/td>\n8<\/td>\n254.804<\/td>\n251.34<\/td>\n<\/tr>\n
    6<\/td>\n256.103<\/td>\n253.505<\/td>\n<\/tr>\n
    4<\/td>\n257.402<\/td>\n255.67<\/td>\n<\/tr>\n
    265<\/td>\n6<\/td>\n261.103<\/td>\n258.505<\/td>\n<\/tr>\n
    4<\/td>\n262.402<\/td>\n260.67<\/td>\n<\/tr>\n
    270<\/td>\n8<\/td>\n264.804<\/td>\n261.34<\/td>\n<\/tr>\n
    6<\/td>\n266.103<\/td>\n263.505<\/td>\n<\/tr>\n
    4<\/td>\n267.402<\/td>\n265.67<\/td>\n<\/tr>\n
    275<\/td>\n6<\/td>\n271.103<\/td>\n268.505<\/td>\n<\/tr>\n
    4<\/td>\n272.402<\/td>\n270.67<\/td>\n<\/tr>\n
    280<\/td>\n8<\/td>\n274.804<\/td>\n271.34<\/td>\n<\/tr>\n
    6<\/td>\n276.103<\/td>\n273.505<\/td>\n<\/tr>\n
    4<\/td>\n277.402<\/td>\n275.67<\/td>\n<\/tr>\n
    285<\/td>\n6<\/td>\n281.103<\/td>\n278.505<\/td>\n<\/tr>\n
    4<\/td>\n282.402<\/td>\n280.67<\/td>\n<\/tr>\n
    290<\/td>\n8<\/td>\n284.804<\/td>\n281.34<\/td>\n<\/tr>\n
    6<\/td>\n286.103<\/td>\n283.505<\/td>\n<\/tr>\n
    4<\/td>\n287.402<\/td>\n285.67<\/td>\n<\/tr>\n
    295<\/td>\n6<\/td>\n291.103<\/td>\n288.505<\/td>\n<\/tr>\n
    4<\/td>\n292.402<\/td>\n290.67<\/td>\n<\/tr>\n
    300<\/td>\n8<\/td>\n294.804<\/td>\n291.34<\/td>\n<\/tr>\n
    6<\/td>\n296.103<\/td>\n293.505<\/td>\n<\/tr>\n
    4<\/td>\n297.402<\/td>\n295.67<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
    \n

    M\u1ee5c \u0111\u00edch c\u1ee7a GB\/T 196-2003 l\u00e0 g\u00ec?<\/h3>\n

    N\u00f3 cung c\u1ea5p c\u00e1c k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n cho ren h\u1ec7 m\u00e9t th\u00f4ng d\u1ee5ng, \u0111\u1ea3m b\u1ea3o vi\u1ec7c si\u1ebft ch\u1eb7t ti\u00eau chu\u1ea9n m\u00e0 kh\u00f4ng c\u1ea7n gio\u0103ng. S\u1eed d\u1ee5ng cho c\u00e1c k\u1ebft n\u1ed1i c\u01a1 kh\u00ed m\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t, tham chi\u1ebfu dung sai cho c\u00e1c c\u1ea5p \u0111\u1ed9 l\u1eafp gh\u00e9p.<\/p>\n<\/div>\n

    \n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn b\u01b0\u1edbc ren ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng k\u00ednh cho tr\u01b0\u1edbc?<\/h3>\n

    C\u00e1c ren c\u00f3 b\u01b0\u1edbc l\u1edbn (gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n) gi\u00fap l\u1eafp r\u00e1p d\u1ec5 d\u00e0ng h\u01a1n; c\u00e1c ren c\u00f3 b\u01b0\u1edbc nh\u1ecf h\u01a1n mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng rung t\u1ed1t h\u01a1n. Ch\u1ecdn lo\u1ea1i ren ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng v\u00e0 \u1ee9ng d\u1ee5ng, v\u00ed d\u1ee5: M10 v\u1edbi b\u01b0\u1edbc ren 1,5 mm cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n.<\/p>\n<\/div>\n

    \n

    N\u1ebfu \u0111\u01b0\u1eddng k\u00ednh kh\u00f4ng \u0111\u01b0\u1ee3c ghi r\u00f5 th\u00ec sao?<\/h3>\n

    Tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan nh\u01b0 GB\/T 192 \u0111\u1ec3 bi\u1ebft th\u00f4ng tin v\u1ec1 c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng ho\u1eb7c t\u00ednh to\u00e1n b\u1eb1ng c\u00f4ng th\u1ee9c. \u0110\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh, h\u00e3y tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n.<\/p>\n<\/div>\n

    \n

    T\u1ea1i sao c\u1ea7n ph\u00e2n bi\u1ec7t \u0111\u01b0\u1eddng k\u00ednh ch\u00ednh, \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc s\u00f3ng v\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf?<\/h3>\n

    Major l\u00e0 k\u00edch th\u01b0\u1edbc danh ngh\u0129a, pitch l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c ren, minor l\u00e0 \u0111\u01b0\u1eddng k\u00ednh ch\u00e2n ren \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n. Gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c gi\u00fap tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t ren ho\u1eb7c l\u1eafp r\u00e1p l\u1ecfng l\u1ebbo.<\/p>\n<\/div>\n

    \n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf?<\/h3>\n

    K\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u1ea5p dung sai theo ti\u00eau chu\u1ea9n GB\/T 197 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c cao. C\u00e2n nh\u1eafc v\u1eadt li\u1ec7u v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ec3 tr\u00e1nh h\u1ecfng h\u00f3c, s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng.<\/p>\n<\/div>\n

    \n

    S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u1ec9 th\u00f4 v\u00e0 ch\u1ec9 m\u1ecbn l\u00e0 g\u00ec?<\/h3>\n

    Ren th\u00f4 l\u1eafp r\u00e1p nhanh h\u01a1n nh\u01b0ng ren m\u1ecbn c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t h\u01a1n. N\u00ean l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean \u0111\u1ed9 rung v\u00e0 h\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian.<\/p>\n<\/div>\n

     <\/p>","protected":false},"excerpt":{"rendered":"

    Introduction to GB\/T 196 Standard GB\/T 196-2003 establishes the basic dimensions for general purpose metric threads, as referenced in GB\/T 192-2003 and GB\/T 193-2003. This standard is crucial for mechanical fastening connections where threads do not provide sealing functions. It specifies major diameter (D, d), pitch (P), pitch diameter (D2, d2), and minor diameter (D1, […]<\/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-5754","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\/5754","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=5754"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5754\/revisions"}],"predecessor-version":[{"id":5756,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5754\/revisions\/5756"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5754"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}