{"id":5615,"date":"2025-12-23T01:08:37","date_gmt":"2025-12-23T01:08:37","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5615"},"modified":"2025-12-23T01:17:38","modified_gmt":"2025-12-23T01:17:38","slug":"iso-40172022-hexagon-head-screws-grades-a-b","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/iso-40172022-hexagon-head-screws-grades-a-b\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ISO 4017:2022 cho \u1ed1c v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c \u2013 Lo\u1ea1i A & B"},"content":{"rendered":"
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Gi\u1edbi thi\u1ec7u<\/h2>\n

Ti\u00eau chu\u1ea9n ISO 4017:2022 quy \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ren t\u1eeb M1.6 \u0111\u1ebfn M64, thu\u1ed9c c\u1ea5p s\u1ea3n ph\u1ea9m A v\u00e0 B. Ti\u00eau chu\u1ea9n n\u00e0y r\u1ea5t quan tr\u1ecdng trong ng\u00e0nh c\u01a1 kh\u00ed v\u00e0 s\u1ea3n xu\u1ea5t, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady trong vi\u1ec7c l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn. N\u00f3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, dung sai v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc ch\u00ednh x\u00e1c cho c\u00e1c lo\u1ea1i v\u00edt n\u00e0y, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng l\u1eafp r\u00e1p, x\u00e2y d\u1ef1ng v\u00e0 m\u00e1y m\u00f3c.<\/p>\n

\u1ed0c v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 bu l\u00f4ng l\u1ee5c gi\u00e1c, cung c\u1ea5p gi\u1ea3i ph\u00e1p si\u1ebft ch\u1eb7t ch\u1eafc ch\u1eafn nh\u1edd thi\u1ebft k\u1ebf \u0111\u1ea7u s\u00e1u c\u1ea1nh, cho ph\u00e9p \u1ee9ng d\u1ee5ng m\u00f4-men xo\u1eafn cao. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u1ea5p A v\u00e0 B n\u1eb1m \u1edf \u0111\u1ed9 ch\u00ednh x\u00e1c: C\u1ea5p A c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n \u0111\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n v\u00e0 chi\u1ec1u d\u00e0i ng\u1eafn h\u01a1n, trong khi c\u1ea5p B ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i \u1ed1c v\u00edt l\u1edbn h\u01a1n ho\u1eb7c d\u00e0i h\u01a1n, n\u01a1i dung sai l\u1ecfng h\u01a1n m\u1ed9t ch\u00fat c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. Ti\u00eau chu\u1ea9n n\u00e0y thay th\u1ebf c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3, t\u00edch h\u1ee3p c\u00e1c c\u1eadp nh\u1eadt \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n

Trong gia c\u00f4ng kim lo\u1ea1i v\u00e0 d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p, vi\u1ec7c tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thay th\u1ebf l\u1eabn nhau v\u00e0 an to\u00e0n. V\u00ed d\u1ee5, trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c lo\u1ea1i \u1ed1c v\u00edt n\u00e0y ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng c\u1ee5 th\u1ec3 m\u00e0 kh\u00f4ng b\u1ecb h\u1ecfng. Ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m c\u00e1c v\u1eadt li\u1ec7u th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, v\u1edbi c\u00e1c tham chi\u1ebfu \u0111\u1ebfn c\u00e1c c\u1ea5p \u0111\u1ed9 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc nh\u01b0 8.8 ho\u1eb7c A2-70. N\u00f3 c\u0169ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n

B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ti\u00eau chu\u1ea9n, bao g\u1ed3m b\u1ea3ng k\u00edch th\u01b0\u1edbc, y\u00eau c\u1ea7u v\u1eadt li\u1ec7u v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n. C\u00e1c k\u1ef9 s\u01b0 v\u00e0 chuy\u00ean gia mua s\u1eafm c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00f4ng tin n\u00e0y \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i v\u00edt ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a h\u1ecd, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. D\u1eef li\u1ec7u k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y b\u1eb1ng milim\u00e9t, bao g\u1ed3m c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh nh\u01b0 b\u01b0\u1edbc ren, chi\u1ec1u cao \u0111\u1ea7u v\u00edt v\u00e0 chi\u1ec1u r\u1ed9ng m\u1eb7t ph\u1eb3ng.<\/p>\n

Hi\u1ec3u r\u00f5 ti\u00eau chu\u1ea9n ISO 4017 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, v\u00ec nh\u1eefng sai l\u1ec7ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i l\u1eafp r\u00e1p ho\u1eb7c nguy hi\u1ec3m v\u1ec1 an to\u00e0n. Ph\u1ea1m vi c\u1ee7a ti\u00eau chu\u1ea9n bao g\u1ed3m c\u00e1c lo\u1ea1i v\u00edt ren to\u00e0n ph\u1ea7n v\u00e0 ren m\u1ed9t ph\u1ea7n, v\u1edbi dung sai \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed s\u1ea3n xu\u1ea5t trong khi v\u1eabn duy tr\u00ec hi\u1ec7u su\u1ea5t. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 th\u1ec3 c\u1ea7n th\u00eam c\u00e1c th\u1ecfa thu\u1eadn b\u1ed5 sung.<\/p>\n

Nh\u00ecn chung, ti\u00eau chu\u1ea9n ISO 4017 th\u00fac \u0111\u1ea9y th\u01b0\u01a1ng m\u1ea1i to\u00e0n c\u1ea7u b\u1eb1ng c\u00e1ch chu\u1ea9n h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a \u1ed1c v\u00edt, gi\u1ea3m thi\u1ec3u sai s\u00f3t trong chu\u1ed7i cung \u1ee9ng. H\u01b0\u1edbng d\u1eabn n\u00e0y m\u1edf r\u1ed9ng th\u00eam c\u00e1c d\u1eef li\u1ec7u \u0111\u00e3 cung c\u1ea5p, \u0111\u01b0a ra nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 vi\u1ec7c tri\u1ec3n khai v\u00e0 c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t.<\/p>\n<\/section>\n

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T\u1ed5ng quan v\u1ec1 ti\u00eau chu\u1ea9n ISO 4017:2022<\/h2>\n

\u0110\u01b0\u1ee3c T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n h\u00f3a Qu\u1ed1c t\u1ebf (ISO) c\u00f4ng b\u1ed1 n\u0103m 2022, ti\u00eau chu\u1ea9n ISO 4017 c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n n\u0103m 2014 v\u1edbi nh\u1eefng c\u1ea3i ti\u1ebfn v\u1ec1 dung sai v\u00e0 th\u00f4ng tin v\u1eadt li\u1ec7u. Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c l\u00e0m t\u1eeb th\u00e9p carbon, th\u00e9p h\u1ee3p kim ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9, c\u00f3 ren th\u00f4 h\u1ec7 m\u00e9t. Ti\u00eau chu\u1ea9n n\u00e0y kh\u00f4ng bao g\u1ed3m ren m\u1ecbn, v\u1ed1n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong c\u00e1c t\u00e0i li\u1ec7u ISO kh\u00e1c.<\/p>\n

Ph\u1ea1m vi s\u1ea3n ph\u1ea9m bao g\u1ed3m c\u00e1c lo\u1ea1i v\u00edt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb M1.6 \u0111\u1ebfn M64, ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ee5c \u0111\u00edch k\u1ef9 thu\u1eadt chung. N\u1ed9i dung ch\u00ednh bao g\u1ed3m k\u00edch th\u01b0\u1edbc, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, dung sai, \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t v\u00e0 ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn. Lo\u1ea1i s\u1ea3n ph\u1ea9m A d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh x\u00e1c v\u1edbi \u0111\u01b0\u1eddng k\u00ednh d \u2264 24 mm v\u00e0 chi\u1ec1u d\u00e0i l \u2264 10d ho\u1eb7c 150 mm (t\u00f9y thu\u1ed9c v\u00e0o gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n), trong khi lo\u1ea1i B \u00e1p d\u1ee5ng cho c\u00e1c k\u00edch th\u01b0\u1edbc ho\u1eb7c chi\u1ec1u d\u00e0i l\u1edbn h\u01a1n.<\/p>\n

T\u1ed5ng quan n\u00e0y n\u00eau b\u1eadt vai tr\u00f2 c\u1ee7a ti\u00eau chu\u1ea9n trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m. Ti\u00eau chu\u1ea9n n\u00e0y tham chi\u1ebfu ISO 898-1 v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p v\u00e0 ISO 3506-1 v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9. Dung sai \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo ISO 4759-1, v\u1edbi dung sai ren 6g. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t bao g\u1ed3m m\u1ea1 \u0111i\u1ec7n (ISO 4042), l\u1edbp ph\u1ee7 k\u1ebdm d\u1ea1ng v\u1ea3y kh\u00f4ng \u0111i\u1ec7n ph\u00e2n (ISO 10683) v\u00e0 m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (ISO 10684).<\/p>\n

\u0110\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, b\u1ec1 m\u1eb7t s\u1ea1ch v\u00e0 s\u00e1ng b\u00f3ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng theo ti\u00eau chu\u1ea9n ISO 16048. Vi\u1ec7c ch\u1ea5p nh\u1eadn v\u00e0 \u0111\u00f3ng g\u00f3i tu\u00e2n theo ti\u00eau chu\u1ea9n ISO 3269, trong khi c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi ti\u00eau chu\u1ea9n ISO 6157-1 ho\u1eb7c -3 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao. Ti\u00eau chu\u1ea9n n\u00e0y cho ph\u00e9p th\u1ecfa thu\u1eadn v\u1ec1 c\u00e1c y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh, t\u0103ng c\u01b0\u1eddng t\u00ednh linh ho\u1ea1t.<\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, ti\u00eau chu\u1ea9n n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c v\u00e0 x\u00e2y d\u1ef1ng. B\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng, n\u00f3 gi\u1ea3m thi\u1ec3u s\u1ef1 bi\u1ebfn \u0111\u1ed9ng trong s\u1ea3n xu\u1ea5t, h\u1ed7 tr\u1ee3 vi\u1ec7c t\u00ecm ngu\u1ed3n cung \u1ee9ng hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed. C\u00e1c k\u1ef9 s\u01b0 c\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng k\u00ednh tr\u00ean M39, c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u01b0\u1ee3c th\u1ecfa thu\u1eadn.<\/p>\n<\/section>\n

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K\u00edch th\u01b0\u1edbc v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h2>\n

C\u1ed1t l\u00f5i c\u1ee7a ti\u00eau chu\u1ea9n ISO 4017:2022 n\u1eb1m \u1edf c\u00e1c y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc chi ti\u1ebft d\u00e0nh cho v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u su\u1ea5t trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. K\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng milim\u00e9t, bao g\u1ed3m b\u01b0\u1edbc ren (P), chi\u1ec1u d\u00e0i ren ch\u01b0a ho\u00e0n ch\u1ec9nh (a), \u0111\u1ed9 v\u00e1t \u0111\u1ea7u (c), dung sai \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (da), chi\u1ec1u r\u1ed9ng c\u00e1c g\u00f3c (e), chi\u1ec1u cao \u0111\u1ea7u (k) v\u00e0 chi\u1ec1u r\u1ed9ng c\u00e1c m\u1eb7t ph\u1eb3ng (s).<\/p>\n

C\u00e1c lo\u1ea1i A v\u00e0 B kh\u00e1c nhau v\u1ec1 m\u1ee9c \u0111\u1ed9 dung sai \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 k\u00edch th\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 dw (\u0111\u01b0\u1eddng k\u00ednh ti\u1ebfp x\u00fac hi\u1ec7u d\u1ee5ng) v\u00e0 e (chi\u1ec1u r\u1ed9ng \u1edf c\u00e1c g\u00f3c). V\u00ed d\u1ee5, c\u00e1c v\u00edt nh\u1ecf h\u01a1n (l\u00ean \u0111\u1ebfn M16) th\u01b0\u1eddng thu\u1ed9c lo\u1ea1i A v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c, trong khi c\u00e1c v\u00edt l\u1edbn h\u01a1n s\u1eed d\u1ee5ng lo\u1ea1i B. Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng quy \u0111\u1ecbnh b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u (r) v\u00e0 chi\u1ec1u cao m\u1eb7t v\u00f2ng \u0111\u1ec7m (k1).<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng k\u00edch th\u01b0\u1edbc chi ti\u1ebft cho c\u00e1c c\u1ee1 ren t\u1eeb M1.6 \u0111\u1ebfn M64. D\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng so v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, trong ngo\u1eb7c \u0111\u01a1n ch\u1ec9 ra c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb.<\/p>\n

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Ch\u1ee7 \u0111\u1ec1 d<\/th>\nM1.6<\/th>\nM2<\/th>\nM2.5<\/th>\nM3<\/th>\n(M3.5)<\/th>\nM4<\/th>\nM5<\/th>\nM6<\/th>\n(M7)<\/th>\nM8<\/th>\nM10<\/th>\nM12<\/th>\n(M14)<\/th>\nM16<\/th>\n(M18)<\/th>\nM20<\/th>\n(M22)<\/th>\nM24<\/th>\n(M27)<\/th>\nM30<\/th>\n(M33)<\/th>\nM36<\/th>\n(M39)<\/th>\nM42<\/th>\n(M45)<\/th>\nM48<\/th>\n(M52)<\/th>\nM56<\/th>\n(M60)<\/th>\nM64<\/th>\n<\/tr>\n<\/thead>\n
P (Cao \u0111\u1ed9)<\/td>\n0.35<\/td>\n0.4<\/td>\n0.45<\/td>\n0.5<\/td>\n0.6<\/td>\n0.7<\/td>\n0.8<\/td>\n1<\/td>\n1<\/td>\n1.25<\/td>\n1.5<\/td>\n1.75<\/td>\n2<\/td>\n2<\/td>\n2.5<\/td>\n2.5<\/td>\n2.5<\/td>\n3<\/td>\n3<\/td>\n3.5<\/td>\n3.5<\/td>\n4<\/td>\n4<\/td>\n4.5<\/td>\n4.5<\/td>\n5<\/td>\n5<\/td>\n5.5<\/td>\n5.5<\/td>\n6<\/td>\n<\/tr>\n
t\u1ed1i \u0111a<\/td>\n1.05<\/td>\n1.2<\/td>\n1.35<\/td>\n1.5<\/td>\n1.8<\/td>\n2.1<\/td>\n2.4<\/td>\n3<\/td>\n3<\/td>\n3.75<\/td>\n4.5<\/td>\n5.25<\/td>\n6<\/td>\n6<\/td>\n7.5<\/td>\n7.5<\/td>\n7.5<\/td>\n9<\/td>\n9<\/td>\n10.5<\/td>\n10.5<\/td>\n12<\/td>\n12<\/td>\n13.5<\/td>\n13.5<\/td>\n15<\/td>\n15<\/td>\n16.5<\/td>\n16.5<\/td>\n18<\/td>\n<\/tr>\n
m\u1ed9t ph\u00fat<\/td>\n0.35<\/td>\n0.4<\/td>\n0.45<\/td>\n0.5<\/td>\n0.6<\/td>\n0.7<\/td>\n0.8<\/td>\n1<\/td>\n1<\/td>\n1.25<\/td>\n1.5<\/td>\n1.75<\/td>\n2<\/td>\n2<\/td>\n2.5<\/td>\n2.5<\/td>\n2.5<\/td>\n3<\/td>\n3<\/td>\n3.5<\/td>\n3.5<\/td>\n4<\/td>\n4<\/td>\n4.5<\/td>\n4.5<\/td>\n5<\/td>\n5<\/td>\n5.5<\/td>\n5.5<\/td>\n6<\/td>\n<\/tr>\n
c t\u1ed1i \u0111a<\/td>\n0.25<\/td>\n0.25<\/td>\n0.25<\/td>\n0.4<\/td>\n0.4<\/td>\n0.4<\/td>\n0.5<\/td>\n0.5<\/td>\n0.6<\/td>\n0.6<\/td>\n0.6<\/td>\n0.6<\/td>\n0.6<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
c ph\u00fat<\/td>\n0.1<\/td>\n0.1<\/td>\n0.1<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.2<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n<\/tr>\n
t\u1ed1i \u0111a<\/td>\n2<\/td>\n2.6<\/td>\n3.1<\/td>\n3.6<\/td>\n4.1<\/td>\n4.7<\/td>\n5.7<\/td>\n6.8<\/td>\n7.8<\/td>\n9.2<\/td>\n11.2<\/td>\n13.7<\/td>\n15.7<\/td>\n17.7<\/td>\n20.2<\/td>\n22.4<\/td>\n24.4<\/td>\n26.4<\/td>\n30.4<\/td>\n33.4<\/td>\n36.4<\/td>\n39.4<\/td>\n42.4<\/td>\n45.6<\/td>\n48.6<\/td>\n52.6<\/td>\n56.6<\/td>\n63<\/td>\n67<\/td>\n71<\/td>\n<\/tr>\n
dw A min<\/td>\n2.54<\/td>\n3.34<\/td>\n4.34<\/td>\n4.84<\/td>\n5.34<\/td>\n6.2<\/td>\n7.2<\/td>\n8.88<\/td>\n9.63<\/td>\n11.63<\/td>\n14.63<\/td>\n16.63<\/td>\n19.64<\/td>\n22.49<\/td>\n25.34<\/td>\n28.19<\/td>\n31.71<\/td>\n33.61<\/td>\n\/<\/td>\n<\/tr>\n
dw B min<\/td>\n2.42<\/td>\n3.22<\/td>\n4.22<\/td>\n4.72<\/td>\n5.22<\/td>\n6.06<\/td>\n7.06<\/td>\n8.74<\/td>\n9.47<\/td>\n11.47<\/td>\n14.47<\/td>\n16.47<\/td>\n19.15<\/td>\n22<\/td>\n24.85<\/td>\n27.7<\/td>\n31.35<\/td>\n33.25<\/td>\n38<\/td>\n42.75<\/td>\n46.55<\/td>\n51.11<\/td>\n55.86<\/td>\n59.95<\/td>\n64.7<\/td>\n69.45<\/td>\n74.2<\/td>\n78.66<\/td>\n83.41<\/td>\n88.16<\/td>\n<\/tr>\n
e A min<\/td>\n3.41<\/td>\n4.32<\/td>\n5.45<\/td>\n6.01<\/td>\n6.58<\/td>\n7.66<\/td>\n8.79<\/td>\n11.05<\/td>\n12.12<\/td>\n14.38<\/td>\n17.77<\/td>\n20.03<\/td>\n23.36<\/td>\n26.75<\/td>\n30.14<\/td>\n33.53<\/td>\n37.72<\/td>\n39.98<\/td>\n\/<\/td>\n<\/tr>\n
e B ph\u00fat<\/td>\n3.28<\/td>\n4.18<\/td>\n5.31<\/td>\n5.88<\/td>\n6.44<\/td>\n7.5<\/td>\n8.63<\/td>\n10.89<\/td>\n11.94<\/td>\n14.2<\/td>\n17.59<\/td>\n19.85<\/td>\n22.78<\/td>\n26.17<\/td>\n29.56<\/td>\n32.95<\/td>\n37.29<\/td>\n39.55<\/td>\n45.2<\/td>\n50.85<\/td>\n55.37<\/td>\n60.79<\/td>\n66.44<\/td>\n71.3<\/td>\n76.95<\/td>\n82.6<\/td>\n88.25<\/td>\n93.56<\/td>\n99.21<\/td>\n104.86<\/td>\n<\/tr>\n
k danh ngh\u0129a<\/td>\n1.1<\/td>\n1.4<\/td>\n1.7<\/td>\n2<\/td>\n2.4<\/td>\n2.8<\/td>\n3.5<\/td>\n4<\/td>\n4.8<\/td>\n5.3<\/td>\n6.4<\/td>\n7.5<\/td>\n8.8<\/td>\n10<\/td>\n11.5<\/td>\n12.5<\/td>\n14<\/td>\n15<\/td>\n17<\/td>\n18.7<\/td>\n21<\/td>\n22.5<\/td>\n25<\/td>\n26<\/td>\n28<\/td>\n30<\/td>\n33<\/td>\n35<\/td>\n38<\/td>\n40<\/td>\n<\/tr>\n
k A t\u1ed1i \u0111a<\/td>\n1.225<\/td>\n1.525<\/td>\n1.825<\/td>\n2.125<\/td>\n2.525<\/td>\n2.925<\/td>\n3.65<\/td>\n4.15<\/td>\n4.95<\/td>\n5.45<\/td>\n6.58<\/td>\n7.68<\/td>\n8.98<\/td>\n10.18<\/td>\n11.715<\/td>\n12.715<\/td>\n14.215<\/td>\n15.215<\/td>\n\/<\/td>\n<\/tr>\n
k A ph\u00fat<\/td>\n0.975<\/td>\n1.275<\/td>\n1.575<\/td>\n1.875<\/td>\n2.275<\/td>\n2.675<\/td>\n3.35<\/td>\n3.85<\/td>\n4.65<\/td>\n5.15<\/td>\n6.22<\/td>\n7.32<\/td>\n8.62<\/td>\n9.82<\/td>\n11.285<\/td>\n12.285<\/td>\n13.785<\/td>\n14.785<\/td>\n\/<\/td>\n<\/tr>\n
k B t\u1ed1i \u0111a<\/td>\n1.3<\/td>\n1.6<\/td>\n1.9<\/td>\n2.2<\/td>\n2.6<\/td>\n3<\/td>\n3.74<\/td>\n4.24<\/td>\n5.04<\/td>\n5.54<\/td>\n6.69<\/td>\n7.79<\/td>\n9.09<\/td>\n10.29<\/td>\n11.85<\/td>\n12.85<\/td>\n14.35<\/td>\n15.35<\/td>\n17.35<\/td>\n19.12<\/td>\n21.42<\/td>\n22.92<\/td>\n25.42<\/td>\n26.42<\/td>\n28.42<\/td>\n30.42<\/td>\n33.5<\/td>\n35.5<\/td>\n38.5<\/td>\n40.5<\/td>\n<\/tr>\n
k B ph\u00fat<\/td>\n0.9<\/td>\n1.2<\/td>\n1.5<\/td>\n1.8<\/td>\n2.2<\/td>\n2.6<\/td>\n3.26<\/td>\n3.76<\/td>\n4.56<\/td>\n5.06<\/td>\n6.11<\/td>\n7.21<\/td>\n8.51<\/td>\n9.71<\/td>\n11.15<\/td>\n12.15<\/td>\n13.65<\/td>\n14.65<\/td>\n16.65<\/td>\n18.28<\/td>\n20.58<\/td>\n22.08<\/td>\n24.58<\/td>\n25.58<\/td>\n27.58<\/td>\n29.58<\/td>\n32.5<\/td>\n34.5<\/td>\n37.5<\/td>\n39.5<\/td>\n<\/tr>\n
k1 A min<\/td>\n0.68<\/td>\n0.89<\/td>\n1.1<\/td>\n1.31<\/td>\n1.59<\/td>\n1.87<\/td>\n2.35<\/td>\n2.7<\/td>\n3.26<\/td>\n3.61<\/td>\n4.35<\/td>\n5.12<\/td>\n6.03<\/td>\n6.87<\/td>\n7.9<\/td>\n8.6<\/td>\n9.65<\/td>\n10.35<\/td>\n\/<\/td>\n<\/tr>\n
k1 B ph\u00fat<\/td>\n0.63<\/td>\n0.84<\/td>\n1.05<\/td>\n1.26<\/td>\n1.54<\/td>\n1.82<\/td>\n2.28<\/td>\n2.63<\/td>\n3.19<\/td>\n3.54<\/td>\n4.28<\/td>\n5.05<\/td>\n5.96<\/td>\n6.8<\/td>\n7.81<\/td>\n8.51<\/td>\n9.56<\/td>\n10.26<\/td>\n11.66<\/td>\n12.8<\/td>\n14.41<\/td>\n15.46<\/td>\n17.21<\/td>\n17.91<\/td>\n19.31<\/td>\n20.71<\/td>\n22.75<\/td>\n24.15<\/td>\n26.25<\/td>\n27.65<\/td>\n<\/tr>\n
r ph\u00fat<\/td>\n0.1<\/td>\n0.1<\/td>\n0.1<\/td>\n0.1<\/td>\n0.1<\/td>\n0.2<\/td>\n0.2<\/td>\n0.25<\/td>\n0.25<\/td>\n0.4<\/td>\n0.4<\/td>\n0.6<\/td>\n0.6<\/td>\n0.6<\/td>\n0.6<\/td>\n0.8<\/td>\n0.8<\/td>\n0.8<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1.2<\/td>\n1.2<\/td>\n1.6<\/td>\n1.6<\/td>\n2<\/td>\n2<\/td>\n2<\/td>\n<\/tr>\n
s max = danh ngh\u0129a<\/td>\n3.2<\/td>\n4<\/td>\n5<\/td>\n5.5<\/td>\n6<\/td>\n7<\/td>\n8<\/td>\n10<\/td>\n11<\/td>\n13<\/td>\n16<\/td>\n18<\/td>\n21<\/td>\n24<\/td>\n27<\/td>\n30<\/td>\n34<\/td>\n36<\/td>\n41<\/td>\n46<\/td>\n50<\/td>\n55<\/td>\n60<\/td>\n65<\/td>\n70<\/td>\n75<\/td>\n80<\/td>\n85<\/td>\n90<\/td>\n95<\/td>\n<\/tr>\n
s A min<\/td>\n3.02<\/td>\n3.82<\/td>\n4.82<\/td>\n5.32<\/td>\n5.82<\/td>\n6.78<\/td>\n7.78<\/td>\n9.78<\/td>\n10.73<\/td>\n12.73<\/td>\n15.73<\/td>\n17.73<\/td>\n20.67<\/td>\n23.67<\/td>\n26.67<\/td>\n29.67<\/td>\n33.38<\/td>\n35.38<\/td>\n\/<\/td>\n<\/tr>\n
s B ph\u00fat<\/td>\n2.9<\/td>\n3.7<\/td>\n4.7<\/td>\n5.2<\/td>\n5.7<\/td>\n6.64<\/td>\n7.64<\/td>\n9.64<\/td>\n10.57<\/td>\n12.57<\/td>\n15.57<\/td>\n17.57<\/td>\n20.16<\/td>\n23.16<\/td>\n26.16<\/td>\n29.16<\/td>\n33<\/td>\n35<\/td>\n40<\/td>\n45<\/td>\n49<\/td>\n53.8<\/td>\n58.8<\/td>\n63.1<\/td>\n68.1<\/td>\n73.1<\/td>\n78.1<\/td>\n82.8<\/td>\n87.8<\/td>\n92.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra. V\u00ed d\u1ee5, chi\u1ec1u cao \u0111\u1ea7u v\u00edt (k) \u0111\u1ea3m b\u1ea3o s\u1ef1 kh\u1edbp n\u1ed1i ch\u00ednh x\u00e1c, trong khi chi\u1ec1u r\u1ed9ng gi\u1eefa c\u00e1c m\u1eb7t ph\u1eb3ng (s) x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a d\u1ee5ng c\u1ee5. C\u00e1c k\u00edch th\u01b0\u1edbc kh\u00f4ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u01b0 M3.5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<\/section>\n

\n

Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/h2>\n

Ti\u00eau chu\u1ea9n ISO 4017:2022 quy \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u, ren, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, dung sai, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n nghi\u1ec7m thu. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c chia th\u00e0nh th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, v\u1edbi c\u00e1c y\u00eau c\u1ea7u chung theo ti\u00eau chu\u1ea9n ISO 8992.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Lo\u1ea1i<\/th>\nDanh m\u1ee5c ph\u1ee5<\/th>\nTh\u00e9p<\/th>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<\/tr>\n<\/thead>\n
Nguy\u00ean v\u1eadt li\u1ec7u<\/td>\n–<\/td>\nTh\u00e9p<\/td>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<\/tr>\n
Y\u00eau c\u1ea7u chung<\/td>\n–<\/td>\nISO 8992<\/td>\n<\/tr>\n
Ch\u1ee7 \u0111\u1ec1<\/td>\nS\u1ee9c ch\u1ecbu \u0111\u1ef1ng<\/td>\n6g<\/td>\n<\/tr>\n
Ti\u00eau chu\u1ea9n<\/td>\nISO 965-1<\/td>\n<\/tr>\n
T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/td>\nC\u1ea5p<\/td>\nM1.6 \u2264 d \u2264 M39: 4.8, 5.6, 8.8, 10.9, 12.9\/12.9; d > M39: theo th\u1ecfa thu\u1eadn<\/td>\nM1.6 \u2264 d \u2264 M24: A2-70, A4-70, A4-80, D4-80, D6-80; M24 M39: theo th\u1ecfa thu\u1eadn<\/td>\n<\/tr>\n
Ti\u00eau chu\u1ea9n<\/td>\nISO 898-1<\/td>\nISO 3506-1<\/td>\n<\/tr>\n
Dung sai<\/td>\nC\u1ea5p \u0111\u1ed9 s\u1ea3n ph\u1ea9m<\/td>\nd \u2264 24 mm v\u00e0 l \u2264 10d ho\u1eb7c 150 mm (gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n): A; d > 24 mm ho\u1eb7c l > 10d ho\u1eb7c 150 mm (gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n): B<\/td>\n<\/tr>\n
Ti\u00eau chu\u1ea9n<\/td>\nISO 4759-1<\/td>\n<\/tr>\n
Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/td>\n–<\/td>\nCh\u01b0a qua x\u1eed l\u00fd; M\u1ea1 \u0111i\u1ec7n theo ti\u00eau chu\u1ea9n ISO 4042; V\u1ea3y k\u1ebdm kh\u00f4ng \u0111i\u1ec7n ph\u00e2n theo ti\u00eau chu\u1ea9n ISO 10683; M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng theo ti\u00eau chu\u1ea9n ISO 10684<\/td>\nS\u1ea1ch s\u1ebd v\u00e0 s\u00e1ng b\u00f3ng; X\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng theo ti\u00eau chu\u1ea9n ISO 16048<\/td>\n<\/tr>\n
–<\/td>\nC\u00e1c y\u00eau c\u1ea7u kh\u00e1c theo th\u1ecfa thu\u1eadn<\/td>\n<\/tr>\n
S\u1ef1 gi\u00e1n \u0111o\u1ea1n b\u1ec1 m\u1eb7t<\/td>\n–<\/td>\nGi\u1edbi h\u1ea1n theo ti\u00eau chu\u1ea9n ISO 6157-1 v\u00e0 ISO 6157-3 cho lo\u1ea1i 12.9\/12.9<\/td>\nTheo th\u1ecfa thu\u1eadn (ISO 6157-1)<\/td>\n<\/tr>\n
Ch\u1ea5p nh\u1eadn v\u00e0 \u0111\u00f3ng g\u00f3i<\/td>\n–<\/td>\nISO 3269<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y \u0111\u1ea3m b\u1ea3o \u1ed1c v\u00edt \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed hi\u1ec7u su\u1ea5t. \u0110\u1ed1i v\u1edbi th\u00e9p, c\u00e1c c\u1ea5p \u0111\u1ed9 \u0111\u1eb7c t\u00ednh bi\u1ec3u th\u1ecb \u0111\u1ed9 b\u1ec1n k\u00e9o; \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, ch\u00fang bi\u1ec3u th\u1ecb kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. Dung sai gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 kh\u00edt, trong khi x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/section>\n

\n

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

\u1ed0c v\u00edt theo ti\u00eau chu\u1ea9n ISO 4017 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ea5u ki\u1ec7n k\u1ebft c\u1ea5u, m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb c\u1ea7n \u0111\u1ed9 ch\u1eafc ch\u1eafn cao. Trong x\u00e2y d\u1ef1ng, c\u00e1c k\u00edch th\u01b0\u1edbc M20-M36 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng l\u1edbn. Trong ng\u00e0nh \u00f4 t\u00f4, c\u00e1c k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n nh\u01b0 M6-M12 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n

Qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n bao g\u1ed3m vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc v\u00e0 chi\u1ec1u d\u00e0i, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u theo t\u1eebng \u1ee9ng d\u1ee5ng (v\u00ed d\u1ee5: th\u00e9p kh\u00f4ng g\u1ec9 cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n). Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng bao g\u1ed3m ki\u1ec3m tra k\u00edch th\u01b0\u1edbc v\u00e0 th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc theo c\u00e1c ti\u00eau chu\u1ea9n tham chi\u1ebfu.<\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1t nh\u1ea5t: S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t, \u00e1p d\u1ee5ng m\u00f4-men xo\u1eafn th\u00edch h\u1ee3p v\u00e0 ki\u1ec3m tra c\u00e1c khuy\u1ebft t\u1eadt. Trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng cao, h\u00e3y s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m kh\u00f3a. Ti\u00eau chu\u1ea9n n\u00e0y t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n b\u1eb1ng c\u00e1ch chu\u1ea9n h\u00f3a thi\u1ebft k\u1ebf, h\u1ed7 tr\u1ee3 m\u00f4 ph\u1ecfng v\u00e0 t\u1ea1o m\u1eabu th\u1eed nghi\u1ec7m.<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, n\u00ean ti\u1ebfn h\u00e0nh ki\u1ec3m tra theo l\u00f4 theo ti\u00eau chu\u1ea9n ISO 3269. Trong chu\u1ed7i cung \u1ee9ng to\u00e0n c\u1ea7u, vi\u1ec7c tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho xu\u1ea5t kh\u1ea9u. C\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh cho th\u1ea5y vi\u1ec7c s\u1eed d\u1ee5ng v\u00edt c\u1ea5p 8.8 \u0111\u00e3 gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1 trong x\u00e2y d\u1ef1ng c\u1ea7u.<\/p>\n<\/section>\n

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C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
\n
S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u1ea5p \u0111\u1ed9 s\u1ea3n ph\u1ea9m A v\u00e0 B trong ti\u00eau chu\u1ea9n ISO 4017:2022 l\u00e0 g\u00ec?<\/dt>\n
Lo\u1ea1i A cung c\u1ea5p dung sai ch\u1eb7t ch\u1ebd h\u01a1n cho c\u00e1c v\u00edt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh d \u2264 24 mm v\u00e0 chi\u1ec1u d\u00e0i \u2264 10d ho\u1eb7c 150 mm (t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o nh\u1ecf h\u01a1n), ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Lo\u1ea1i B c\u00f3 dung sai l\u1ecfng h\u01a1n cho c\u00e1c v\u00edt l\u1edbn h\u01a1n ho\u1eb7c d\u00e0i h\u01a1n, c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u su\u1ea5t.<\/dd>\n
<\/dd>\n
T\u00f4i n\u00ean ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc ph\u00f9 h\u1ee3p cho v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n
L\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng: \u0110\u1ed1i v\u1edbi th\u00e9p, c\u00e1c lo\u1ea1i nh\u01b0 8.8 c\u00f3 \u0111\u1ed9 b\u1ec1n cao; \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, A4-70 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. Tham kh\u1ea3o ti\u00eau chu\u1ea9n ISO 898-1 ho\u1eb7c 3506-1 \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft, c\u00f3 t\u00ednh \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 \u1ee9ng su\u1ea5t.<\/dd>\n
<\/dd>\n
N\u00ean s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t n\u00e0o \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n?<\/dt>\n
\u0110\u1ed1i v\u1edbi th\u00e9p: M\u1ea1 \u0111i\u1ec7n (ISO 4042), m\u1ea1 k\u1ebdm d\u1ea1ng v\u1ea3y (ISO 10683) ho\u1eb7c m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (ISO 10684). \u0110\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9: Th\u1ee5 \u0111\u1ed9ng h\u00f3a (ISO 16048) gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ef1 nhi\u00ean. L\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac.<\/dd>\n
<\/dd>\n
C\u00f3 gi\u1edbi h\u1ea1n n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c k\u00edch c\u1ee1 l\u1edbn h\u01a1n M39 kh\u00f4ng?<\/dt>\n
\u0110\u00fang v\u1eady, c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 m\u1ed9t s\u1ed1 k\u00edch th\u01b0\u1edbc \u0111\u1ed1i v\u1edbi d > M39 \u0111\u01b0\u1ee3c th\u1ecfa thu\u1eadn gi\u1eefa nh\u00e0 cung c\u1ea5p v\u00e0 ng\u01b0\u1eddi mua, v\u00ec c\u00e1c gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 kh\u00f4ng \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c do nh\u1eefng th\u00e1ch th\u1ee9c trong s\u1ea3n xu\u1ea5t.<\/dd>\n
<\/dd>\n
Ti\u00eau chu\u1ea9n ISO 4017 so s\u00e1nh nh\u01b0 th\u1ebf n\u00e0o v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 DIN 931?<\/dt>\n
ISO 4017 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi DIN 931 d\u00e0nh cho bu l\u00f4ng l\u1ee5c gi\u00e1c c\u00f3 ren m\u1ed9t ph\u1ea7n, v\u1edbi k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng ISO nh\u1ea5n m\u1ea1nh s\u1ef1 h\u00e0i h\u00f2a to\u00e0n c\u1ea7u v\u00e0 dung sai \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.<\/dd>\n
<\/dd>\n
T\u00f4i c\u1ea7n ki\u1ec3m tra nh\u1eefng g\u00ec trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra c\u00e1c \u1ed1c v\u00edt n\u00e0y?<\/dt>\n
Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc (v\u00ed d\u1ee5: s, k, b\u01b0\u1edbc ren), ch\u1ea5t l\u01b0\u1ee3ng ren (dung sai 6g), \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc. S\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ISO 3269 cho c\u00e1c quy tr\u00ecnh nghi\u1ec7m thu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7.<\/dd>\n<\/dl>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"

Introduction The ISO 4017:2022 standard specifies the characteristics of hexagon head screws with threads from M1.6 to M64, of product grades A and B. This standard is crucial in mechanical engineering and manufacturing industries, ensuring uniformity and reliability in fastening components. It defines precise dimensions, tolerances, and mechanical properties for these screws, which are widely […]<\/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-5615","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\/5615","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=5615"}],"version-history":[{"count":4,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5615\/revisions"}],"predecessor-version":[{"id":5617,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5615\/revisions\/5617"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5615"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}