{"id":5741,"date":"2025-12-24T03:41:02","date_gmt":"2025-12-24T03:41:02","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5741"},"modified":"2025-12-24T03:41:02","modified_gmt":"2025-12-24T03:41:02","slug":"gb-t-6403-3-2008-knurling-standard-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/gb-t-6403-3-2008-knurling-standard-guide\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ti\u00eau chu\u1ea9n v\u1ec1 kh\u00eda GB\/T 6403.3-2008"},"content":{"rendered":"
\n

Gi\u1edbi thi\u1ec7u v\u1ec1 Ti\u00eau chu\u1ea9n GB\/T 6403.3-2008<\/h2>\n

Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c lo\u1ea1i v\u00e0 k\u00edch th\u01b0\u1edbc cho vi\u1ec7c t\u1ea1o v\u00e2n tr\u00ean b\u1ec1 m\u1eb7t h\u00ecnh tr\u1ee5 cho m\u1ee5c \u0111\u00edch chung, t\u1eadp trung v\u00e0o v\u00e2n th\u1eb3ng v\u00e0 v\u00e2n l\u01b0\u1edbi. N\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t \u0111\u1ed3ng nh\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m, t\u00ednh th\u1ea9m m\u1ef9 ho\u1eb7c kh\u1ea3 n\u0103ng l\u1eafp r\u00e1p ch\u1ee9c n\u0103ng trong c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed.<\/p>\n<\/div>\n

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Ph\u1ea1m vi<\/h2>\n

Ti\u00eau chu\u1ea9n GB\/T 6403.3-2008 \u00e1p d\u1ee5ng cho c\u00e1c quy tr\u00ecnh t\u1ea1o v\u00e2n tr\u00ean b\u1ec1 m\u1eb7t h\u00ecnh tr\u1ee5, quy \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 cho c\u00e1c ki\u1ec3u v\u00e2n th\u1eb3ng (tuy\u1ebfn t\u00ednh) v\u00e0 v\u00e2n ch\u00e9o (v\u00e2n l\u01b0\u1edbi). Ti\u00eau chu\u1ea9n n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn y\u00eau c\u1ea7u t\u0103ng c\u01b0\u1eddng ma s\u00e1t ho\u1eb7c c\u00e1c b\u1ec1 m\u1eb7t trang tr\u00ed, ch\u1eb3ng h\u1ea1n nh\u01b0 tay c\u1ea7m, n\u00fam v\u1eb7n v\u00e0 tr\u1ee5c. Vi\u1ec7c tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt.<\/p>\n

    \n
  • Ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 t\u1ea1o v\u00e2n nh\u00e1m th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng ph\u1ea3i cho c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/li>\n
  • Bao g\u1ed3m c\u00e1c gi\u00e1 tr\u1ecb m\u00f4 \u0111un t\u1eeb 0,2 \u0111\u1ebfn 0,5 mm.<\/li>\n
  • T\u00edch h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u v\u00e0 dung sai.<\/li>\n<\/ul>\n<\/div>\n
    \n

    C\u00e1c lo\u1ea1i v\u00e2n nh\u00e1m<\/h2>\n

    Vi\u1ec7c t\u1ea1o v\u00e2n nh\u00e1m tr\u00ean b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch l\u0103n ho\u1eb7c \u00e9p. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn hai lo\u1ea1i ch\u00ednh: v\u00e2n nh\u00e1m th\u1eb3ng (c\u00e1c r\u00e3nh song song) v\u00e0 v\u00e2n nh\u00e1m d\u1ea1ng l\u01b0\u1edbi (c\u00e1c hoa v\u0103n giao nhau t\u1ea1o th\u00e0nh h\u00ecnh thoi ho\u1eb7c l\u01b0\u1edbi). V\u00e2n nh\u00e1m th\u1eb3ng cung c\u1ea5p \u0111\u1ed9 b\u00e1m tuy\u1ebfn t\u00ednh, trong khi v\u00e2n nh\u00e1m d\u1ea1ng l\u01b0\u1edbi mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t theo m\u1ecdi h\u01b0\u1edbng.<\/p>\n

      \n
    1. V\u00e2n nh\u00e1m th\u1eb3ng (Lo\u1ea1i RAA\/RBL): C\u00e1c r\u00e3nh song song ho\u1eb7c xo\u1eafn \u1ed1c v\u1edbi tr\u1ee5c, th\u00edch h\u1ee3p cho nhu c\u1ea7u ch\u1ed1ng tr\u01b0\u1ee3t \u0111\u01a1n gi\u1ea3n.<\/li>\n
    2. V\u00e2n l\u01b0\u1edbi: C\u00e1c hoa v\u0103n \u0111an ch\u00e9o gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng gi\u1eef ch\u1eafc trong c\u00e1c \u1ee9ng d\u1ee5ng xoay tr\u00f2n.<\/li>\n<\/ol>\n

      H\u00e3y l\u1ef1a ch\u1ecdn lo\u1ea1i d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng, ch\u1eb3ng h\u1ea1n nh\u01b0 truy\u1ec1n m\u00f4-men xo\u1eafn ho\u1eb7c giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/div>\n

      \n

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

      C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh bao g\u1ed3m m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (m), chi\u1ec1u cao r\u0103ng (h), b\u00e1n k\u00ednh (r) v\u00e0 b\u01b0\u1edbc r\u0103ng (P). Ch\u00fang \u0111\u1ea3m b\u1ea3o s\u1ef1 h\u00ecnh th\u00e0nh r\u00e3nh kh\u00eda \u0111\u1ed3ng \u0111\u1ec1u. C\u00f4ng th\u1ee9c t\u00ednh chi\u1ec1u cao l\u00e0 h = 0,785m \u2013 0,414r. K\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng mm, t\u1ed1i \u01b0u h\u00f3a cho d\u1ee5ng c\u1ee5 ti\u00eau chu\u1ea9n.<\/p>\n

      \n\n\n\n\n\n\n\n\n
      Tham s\u1ed1<\/th>\nM\u00f4\u0111un m<\/th>\n<\/tr>\n
      0.2<\/th>\n0.3<\/th>\n0.4<\/th>\n0.5<\/th>\n<\/tr>\n<\/thead>\n
      h<\/td>\n0.132<\/td>\n0.198<\/td>\n0.264<\/td>\n0.326<\/td>\n<\/tr>\n
      r<\/td>\n0.06<\/td>\n0.09<\/td>\n0.12<\/td>\n0.16<\/td>\n<\/tr>\n
      P (Cao \u0111\u1ed9)<\/td>\n0.628<\/td>\n0.942<\/td>\n1.257<\/td>\n1.571<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
      H\u00ecnh: H\u00ecnh d\u1ea1ng \u0111\u01b0\u1eddng v\u00e2n (K\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng mm)<\/div>\n

      \u0110\u01b0\u1eddng k\u00ednh sau khi gia c\u00f4ng t\u0103ng th\u00eam \u0394 \u2248 (0,8~1,6)m, gi\u00fap t\u0103ng \u0111\u1ed9 kh\u00edt m\u00e0 kh\u00f4ng g\u00e2y ra s\u1ef1 d\u1ecbch chuy\u1ec3n v\u1eadt li\u1ec7u qu\u00e1 m\u1ee9c.<\/p>\n<\/div>\n

      \n

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

      Vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t l\u00e0 r\u1ea5t quan tr\u1ecdng: \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi t\u1ea1o v\u00e2n Ra \u2264 12,5 \u03bcm \u0111\u1ea3m b\u1ea3o hoa v\u0103n s\u1ea1ch. Sau khi t\u1ea1o v\u00e2n, ki\u1ec3m tra \u0111\u1ed9 gi\u00e3n n\u1edf \u0111\u01b0\u1eddng k\u00ednh v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a hoa v\u0103n \u0111\u1ec3 tr\u00e1nh c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 c\u1eaft x\u00e9n ho\u1eb7c n\u1ee9t. S\u1eed d\u1ee5ng \u00e1p l\u1ef1c th\u00edch h\u1ee3p \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng ph\u00f4i.<\/p>\n

        \n
      • T\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a v\u1eadt li\u1ec7u: \u01afu ti\u00ean c\u00e1c kim lo\u1ea1i d\u1ebbo nh\u01b0 th\u00e9p ho\u1eb7c nh\u00f4m.<\/li>\n
      • Gia c\u00f4ng: Ch\u1ecdn b\u00e1nh xe t\u1ea1o v\u00e2n ph\u00f9 h\u1ee3p v\u1edbi m\u00f4 \u0111un \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n
      • Ki\u1ec3m tra: \u0110o \u0111\u1ed9 nghi\u00eang v\u00e0 chi\u1ec1u cao b\u1eb1ng th\u01b0\u1edbc k\u1eb9p ho\u1eb7c m\u00e1y \u0111o bi\u00ean d\u1ea1ng.<\/li>\n<\/ul>\n<\/div>\n
        \n

        \u1ee8ng d\u1ee5ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n

        Vi\u1ec7c t\u1ea1o r\u00e3nh kh\u00eda gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u1ea7m n\u1eafm \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5, \u1ed1c v\u00edt v\u00e0 thi\u1ebft b\u1ecb. \u0110\u1ed1i v\u1edbi c\u00e1c r\u00e3nh kh\u00eda th\u1eb3ng, h\u00e3y th\u1ef1c hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng \u00edt rung \u0111\u1ed9ng; s\u1eed d\u1ee5ng l\u01b0\u1edbi cho c\u00e1c nhu c\u1ea7u m\u00f4-men xo\u1eafn cao. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t bao g\u1ed3m th\u1eed nghi\u1ec7m th\u00ed \u0111i\u1ec3m tr\u00ean m\u1eabu v\u00e0 \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ho\u00e0n thi\u1ec7n t\u1ed1i \u01b0u.<\/p>\n<\/div>\n

        \n

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

        S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ki\u1ec3u v\u00e2n th\u1eb3ng v\u00e0 ki\u1ec3u v\u00e2n l\u01b0\u1edbi l\u00e0 g\u00ec?<\/h3>\n

        C\u00e1c \u0111\u01b0\u1eddng kh\u00eda th\u1eb3ng t\u1ea1o ra c\u00e1c r\u00e3nh song song \u0111\u1ec3 b\u00e1m ch\u1eafc theo \u0111\u01b0\u1eddng th\u1eb3ng, trong khi c\u00e1c \u0111\u01b0\u1eddng kh\u00eda d\u1ea1ng l\u01b0\u1edbi t\u1ea1o th\u00e0nh m\u1ed9t m\u00f4 h\u00ecnh \u0111an ch\u00e9o \u0111\u1ec3 t\u1ea1o ma s\u00e1t \u0111a h\u01b0\u1edbng, l\u00fd t\u01b0\u1edfng cho c\u00e1c b\u1ed9 ph\u1eadn quay.<\/p>\n

        L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh chi\u1ec1u cao h c\u1ee7a \u0111\u01b0\u1eddng kh\u00eda?<\/h3>\n

        S\u1eed d\u1ee5ng h = 0,785m \u2013 0,414r, trong \u0111\u00f3 m l\u00e0 m\u00f4\u0111un v\u00e0 r l\u00e0 b\u00e1n k\u00ednh, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u00e2u hoa v\u0103n ch\u00ednh x\u00e1c cho hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

        T\u1ea1i sao c\u1ea7n ki\u1ec3m so\u00e1t \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi t\u1ea1o v\u00e2n?<\/h3>\n

        Ra \u2264 12,5 \u03bcm gi\u00fap ng\u0103n ng\u1eeba c\u00e1c b\u1ea5t th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1eddng v\u00e2n, duy tr\u00ec t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>\n

        Nguy\u00ean nh\u00e2n n\u00e0o d\u1eabn \u0111\u1ebfn s\u1ef1 t\u0103ng \u0111\u01b0\u1eddng k\u00ednh sau khi gia c\u00f4ng t\u1ea1o v\u00e2n?<\/h3>\n

        S\u1ef1 d\u1ecbch chuy\u1ec3n v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh c\u00e1n; d\u1ef1 ki\u1ebfn \u200b\u200b\u0394 \u2248 (0,8~1,6)m \u0111\u1ec3 tr\u00e1nh g\u00e2y c\u1ea3n tr\u1edf trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n

        Ti\u00eau chu\u1ea9n n\u00e0y c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00f4ng?<\/h3>\n

        Ch\u1ee7 y\u1ebfu d\u00f9ng cho kim lo\u1ea1i; c\u1ea7n th\u1eed nghi\u1ec7m tr\u00ean c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng ch\u1ee9a s\u1eaft ho\u1eb7c v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00f4i c\u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb n\u1ee9t ho\u1eb7c m\u00e0i m\u00f2n d\u1ee5ng c\u1ee5.<\/p>\n

        L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn m\u00f4\u0111un m?<\/h3>\n

        Ch\u1ecdn k\u00edch th\u01b0\u1edbc d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc chi ti\u1ebft v\u00e0 nhu c\u1ea7u c\u1ea7m n\u1eafm; c\u1ee1 nh\u1ecf h\u01a1n cho c\u00e1c h\u1ecda ti\u1ebft tinh x\u1ea3o, c\u1ee1 l\u1edbn h\u01a1n cho c\u00e1c h\u1ecda ti\u1ebft th\u00f4.<\/p>\n<\/div>\n

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

        Introduction to GB\/T 6403.3-2008 Standard This standard specifies types and dimensions for knurling on cylindrical surfaces for general purposes, focusing on straight knurling and net knurling. It ensures consistent surface texturing for improved grip, aesthetics, or functional assembly in mechanical components. Scope GB\/T 6403.3-2008 applies to knurling processes on cylindrical surfaces, defining parameters for straight […]<\/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-5741","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\/5741","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=5741"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5741\/revisions"}],"predecessor-version":[{"id":5743,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5741\/revisions\/5743"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5741"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}