{"id":15963,"date":"2024-09-04T12:38:39","date_gmt":"2024-09-04T04:38:39","guid":{"rendered":"https:\/\/www.witcoolmachining-com-608971.hostingersite.com\/?p=15963"},"modified":"2025-06-22T22:18:44","modified_gmt":"2025-06-22T14:18:44","slug":"iso-2768-master-cnc-machining-tolerances","status":"publish","type":"post","link":"https:\/\/wit.cool\/vn\/iso-2768-master-cnc-machining-tolerances\/","title":{"rendered":"ISO 2768: H\u01b0\u1edbng d\u1eabn v\u1ec1 Ti\u00eau chu\u1ea9n dung sai cho Gia c\u00f4ng CNC"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ISO 2768 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1QZsQOPxfVB9GmbePPAw0G8t35mXbSLTr\/view?usp=sharing\" target=\"_blank\" rel=\"noopener\">Ti\u00eau chu\u1ea9n ISO2768<\/a>  l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n dung sai chung gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1ea3n v\u1ebd b\u1eb1ng c\u00e1ch cung c\u1ea5p \u0111\u1ed9 l\u1ec7ch cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh v\u00e0 g\u00f3c m\u00e0 kh\u00f4ng c\u00f3 ch\u1ec9 d\u1eabn dung sai ri\u00eang l\u1ebb. N\u00f3 bao g\u1ed3m hai ph\u1ea7n:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/www.witcoolmachining-com-608971.hostingersite.com\/wp-content\/uploads\/2024\/09\/image-1024x538.png\" alt=\"\" class=\"wp-image-15987\" title=\"\" srcset=\"https:\/\/wit.cool\/wp-content\/uploads\/2024\/09\/image-1024x538.png 1024w, https:\/\/wit.cool\/wp-content\/uploads\/2024\/09\/image-300x158.png 300w, https:\/\/wit.cool\/wp-content\/uploads\/2024\/09\/image-768x403.png 768w, https:\/\/wit.cool\/wp-content\/uploads\/2024\/09\/image-600x315.png 600w, https:\/\/wit.cool\/wp-content\/uploads\/2024\/09\/image.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"iso-2768-part-1-linear-and-angular-dimensions\">ISO 2768-1 (Ph\u1ea7n 1): K\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh v\u00e0 g\u00f3c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"precision-levels\">M\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO 2768-1 (Ph\u1ea7n 1): ch\u1ec9 \u0111\u1ecbnh dung sai chung cho k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh v\u00e0 g\u00f3c trong b\u1ed1n lo\u1ea1i: m\u1ecbn (f), trung b\u00ecnh (m), th\u00f4 (c) v\u00e0 r\u1ea5t th\u00f4 (v).<\/li>\n\n\n\n<li>L\u1edbp \u201ctrung b\u00ecnh\u201d (m) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 cung c\u1ea5p \u0111\u1ed9 l\u1ec7ch cho ph\u00e9p trong ph\u1ea1m vi t\u1eeb \u00b10,1 mm \u0111\u1ed1i v\u1edbi chi\u1ec1u d\u00e0i danh ngh\u0129a l\u00ean \u0111\u1ebfn 3 mm \u0111\u1ebfn \u00b12,0 mm \u0111\u1ed1i v\u1edbi chi\u1ec1u d\u00e0i danh ngh\u0129a tr\u00ean 2000 mm.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh, ti\u00eau chu\u1ea9n ch\u1ec9 \u0111\u1ecbnh \u0111\u1ed9 l\u1ec7ch v\u00e0 dung sai cho ph\u00e9p d\u1ef1a tr\u00ean ph\u1ea1m vi k\u00edch th\u01b0\u1edbc. V\u00ed d\u1ee5, c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf h\u01a1n c\u00f3 dung sai ch\u1eb7t ch\u1ebd h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o <strong>c\u00e1c th\u00e0nh ph\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi nhau<\/strong> l\u1eafp r\u00e1p li\u1ec1n m\u1ea1ch.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"linear-deviations\">\u0110\u1ed9 l\u1ec7ch tuy\u1ebfn t\u00ednh<\/h3>\n\n\n\n<p>\u0110\u1ed9 l\u1ec7ch cho ph\u00e9p \u0111\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh thay \u0111\u1ed5i. Ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c k\u00edch th\u01b0\u1edbc, v\u1edbi dung sai c\u1ee7a n\u00f3, l\u00e0 chi\u1ec1u d\u00e0i, \u0111\u01b0\u1eddng k\u00ednh hay b\u00e1n k\u00ednh ngo\u00e0i. Ti\u00eau chu\u1ea9n cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft <strong>b\u00e0n v\u00e1t<\/strong> \u0111\u1ec3 tham kh\u1ea3o.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5, k\u00edch th\u01b0\u1edbc l\u00ean \u0111\u1ebfn 30 mm trong danh m\u1ee5c tinh t\u1ebf c\u00f3 th\u1ec3 c\u00f3 dung sai l\u00e0 \u00b10,05 mm. Ng\u01b0\u1ee3c l\u1ea1i, dung sai r\u1ea5t th\u00f4 c\u00f3 th\u1ec3 cho ph\u00e9p \u0111\u1ed9 l\u1ec7ch l\u00ean \u0111\u1ebfn \u00b12,5 mm \u0111\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc tr\u00ean 400 mm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"angular-deviations\">\u0110\u1ed9 l\u1ec7ch g\u00f3c<\/h3>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc g\u00f3c r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p ch\u00ednh x\u00e1c. ISO 2768 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ed9 l\u1ec7ch theo \u0111\u1ed9 v\u00e0 ph\u00fat.<\/p>\n\n\n\n<p>Dung sai th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0 \u00b11 \u0111\u1ed9 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i th\u00f4. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ch\u00ednh x\u00e1c h\u01a1n, dung sai c\u00f3 th\u1ec3 th\u1eaft ch\u1eb7t \u0111\u1ebfn \u00b130 ph\u00fat ho\u1eb7c th\u1eadm ch\u00ed \u00edt h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"radii-and-chamfers\">B\u00e1n k\u00ednh v\u00e0 v\u00e1t<\/h3>\n\n\n\n<p>Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn dung sai cho b\u00e1n k\u00ednh ngo\u00e0i v\u00e0 v\u00e1t c\u1ea1nh. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u1ea1nh \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 ch\u1ee9c n\u0103ng, trong ph\u1ea1m vi dung sai nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Dung sai b\u00e1n k\u00ednh c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb \u00b10,2 mm \u1edf c\u00e1c lo\u1ea1i m\u1ecbn \u0111\u1ebfn \u00b12 mm \u1edf c\u00e1c lo\u1ea1i r\u1ea5t th\u00f4. G\u00f3c v\u00e1t tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c k\u00edch th\u01b0\u1edbc g\u00f3c kh\u00e1c.<\/p>\n\n\n\n<p><strong>B\u1ea3ng 1 \u2013 K\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0110\u1ed9 l\u1ec7ch cho ph\u00e9p t\u00ednh b\u1eb1ng mm \u0111\u1ed1i v\u1edbi ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a<\/th><th>f (t\u1ed1t)<\/th><th>m (trung b\u00ecnh)<\/th><th>c (th\u00f4)<\/th><th>v (r\u1ea5t th\u00f4)<\/th><\/tr><\/thead><tbody><tr><td>0,5 \u0111\u1ebfn 3<\/td><td>\u00b10,05<\/td><td>\u00b10,1<\/td><td>\u00b10,2<\/td><td>&#8212;<\/td><\/tr><tr><td>tr\u00ean 3 \u0111\u1ebfn 6<\/td><td>\u00b10,05<\/td><td>\u00b10,1<\/td><td>\u00b10,3<\/td><td>\u00b10,5<\/td><\/tr><tr><td>tr\u00ean 6 \u0111\u1ebfn 30<\/td><td>\u00b10,1<\/td><td>\u00b10,2<\/td><td>\u00b10,5<\/td><td>\u00b11.0<\/td><\/tr><tr><td>tr\u00ean 30 \u0111\u1ebfn 120<\/td><td>\u00b10,15<\/td><td>\u00b10,3<\/td><td>\u00b10,8<\/td><td>\u00b11,5<\/td><\/tr><tr><td>tr\u00ean 120 \u0111\u1ebfn 400<\/td><td>\u00b10,2<\/td><td>\u00b10,5<\/td><td>\u00b11,2<\/td><td>\u00b12,5<\/td><\/tr><tr><td>tr\u00ean 400 \u0111\u1ebfn 1000<\/td><td>\u00b10,3<\/td><td>\u00b10,8<\/td><td>\u00b12.0<\/td><td>\u00b14.0<\/td><\/tr><tr><td>tr\u00ean 1000 \u0111\u1ebfn 2000<\/td><td>\u00b10,5<\/td><td>\u00b11,2<\/td><td>\u00b13.0<\/td><td>\u00b16.0<\/td><\/tr><tr><td>tr\u00ean 2000 \u0111\u1ebfn 4000<\/td><td>&#8212;<\/td><td>\u00b12.0<\/td><td>\u00b14.0<\/td><td>\u00b18.0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>ISO 2768 b\u1ea3ng 1: k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>B\u1ea3ng 2 \u2013 B\u00e1n k\u00ednh ngo\u00e0i v\u00e0 Chi\u1ec1u cao v\u00e1t<\/strong><\/p>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, B\u1ea3ng 2 ch\u1ec9 ra c\u00e1c ti\u00eau chu\u1ea9n dung sai cho b\u00e1n k\u00ednh ngo\u00e0i v\u00e0 v\u00e1t c\u1ea1nh.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0110\u1ed9 l\u1ec7ch cho ph\u00e9p t\u00ednh b\u1eb1ng mm \u0111\u1ed1i v\u1edbi ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a<\/th><th>f (t\u1ed1t)<\/th><th>m (trung b\u00ecnh)<\/th><th>c (th\u00f4)<\/th><th>v (r\u1ea5t th\u00f4)<\/th><\/tr><\/thead><tbody><tr><td>0,5 \u0111\u1ebfn 3<\/td><td>\u00b10,2<\/td><td>\u00b10,2<\/td><td>\u00b10,4<\/td><td>\u00b10,4<\/td><\/tr><tr><td>tr\u00ean 3 \u0111\u1ebfn 6<\/td><td>\u00b10,5<\/td><td>\u00b10,5<\/td><td>\u00b11.0<\/td><td>\u00b11.0<\/td><\/tr><tr><td>tr\u00ean 6<\/td><td>\u00b11.0<\/td><td>\u00b11.0<\/td><td>\u00b12.0<\/td><td>\u00b12.0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 2 c\u1ee7a ISO 2768: b\u00e1n k\u00ednh ngo\u00e0i v\u00e0 chi\u1ec1u cao v\u00e1t<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>B\u1ea3ng 3 \u2013 K\u00edch th\u01b0\u1edbc g\u00f3c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0110\u1ed9 l\u1ec7ch cho ph\u00e9p t\u00ednh b\u1eb1ng mm \u0111\u1ed1i v\u1edbi ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a<\/th><th>f (t\u1ed1t)<\/th><th>m (trung b\u00ecnh)<\/th><th>c (th\u00f4)<\/th><th>v (r\u1ea5t th\u00f4)<\/th><\/tr><\/thead><tbody><tr><td>l\u00ean \u0111\u1ebfn 10<\/td><td>\u00b11\u00b0<\/td><td>\u00b11\u00b0<\/td><td>\u00b11\u00b030\u2032<\/td><td>\u00b13\u00b0<\/td><\/tr><tr><td>tr\u00ean 10 \u0111\u1ebfn 50<\/td><td>\u00b10\u00b030\u2032<\/td><td>\u00b10\u00b030\u2032<\/td><td>\u00b11\u00b0<\/td><td>\u00b12\u00b0<\/td><\/tr><tr><td>tr\u00ean 50 \u0111\u1ebfn 120<\/td><td>\u00b10\u00b020\u2032<\/td><td>\u00b10\u00b020\u2032<\/td><td>\u00b10\u00b030\u2032<\/td><td>\u00b11\u00b0<\/td><\/tr><tr><td>tr\u00ean 120 \u0111\u1ebfn 400<\/td><td>\u00b10\u00b010\u2032<\/td><td>\u00b10\u00b010\u2032<\/td><td>\u00b10\u00b020\u2032<\/td><td>\u00b10\u00b030\u2032<\/td><\/tr><tr><td>h\u01a1n 400<\/td><td>\u00b10\u00b05\u2032<\/td><td>\u00b10\u00b05\u2032<\/td><td>\u00b10\u00b010\u2032<\/td><td>\u00b10\u00b020\u2032<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 3 ISO 2768: k\u00edch th\u01b0\u1edbc g\u00f3c<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"iso-2768-part-2-geometrical-tolerances-for-features\">ISO 2768-2 (Ph\u1ea7n 2): Dung sai h\u00ecnh h\u1ecdc cho c\u00e1c t\u00ednh n\u0103ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tolerance-ranges\">Ph\u1ea1m vi dung sai<\/h3>\n\n\n\n<p><strong>ISO 2768-2 (Ph\u1ea7n 2)<\/strong> \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho <strong>dung sai h\u00ecnh h\u1ecdc<\/strong> r\u1ea5t quan tr\u1ecdng trong thi\u1ebft k\u1ebf dung sai c\u01a1 h\u1ecdc. N\u00f3 x\u00e1c \u0111\u1ecbnh ba ph\u1ea1m vi dung sai ch\u00ednh: H, K v\u00e0 L. C\u00e1c ph\u1ea1m vi n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc ch\u00ednh nh\u01b0 \u0111\u1ed9 ph\u1eb3ng, \u0111\u1ed9 th\u1eb3ng, \u0111\u1ed9 vu\u00f4ng g\u00f3c, \u0111\u1ed9 \u0111\u1ed1i x\u1ee9ng v\u00e0 \u0111\u1ed9 l\u1ec7ch.<\/p>\n\n\n\n<p>Ph\u1ea1m vi H bi\u1ec3u th\u1ecb m\u1ee9c dung sai ch\u00ednh x\u00e1c nh\u1ea5t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong k\u1ef9 thu\u1eadt c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, n\u01a1i \u0111\u1ed9 ch\u00ednh x\u00e1c t\u1ed1i \u0111a l\u00e0 t\u1ed1i quan tr\u1ecdng. Ph\u1ea1m vi K bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c trung b\u00ecnh, v\u1edbi dung sai ph\u00f9 h\u1ee3p, cho c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t chung. Cu\u1ed1i c\u00f9ng, ph\u1ea1m vi L cung c\u1ea5p dung sai \u00edt nghi\u00eam ng\u1eb7t nh\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u00edt quan tr\u1ecdng h\u01a1n, n\u01a1i \u0111\u1ed9 l\u1ec7ch nh\u1ecf c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p><strong>B\u1ea3ng 4 \u2013 Dung sai chung v\u1ec1 \u0111\u1ed9 th\u1eb3ng v\u00e0 \u0111\u1ed9 ph\u1eb3ng<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a t\u00ednh b\u1eb1ng mm<\/th><th>H<\/th><th>K<\/th><th>L<\/th><\/tr><\/thead><tbody><tr><td>l\u00ean \u0111\u1ebfn 10<\/td><td>0.02<\/td><td>0.05<\/td><td>0.1<\/td><\/tr><tr><td>tr\u00ean 10 \u0111\u1ebfn 30<\/td><td>0.05<\/td><td>0.1<\/td><td>0.2<\/td><\/tr><tr><td>tr\u00ean 30 \u0111\u1ebfn 100<\/td><td>0.1<\/td><td>0.2<\/td><td>0.4<\/td><\/tr><tr><td>tr\u00ean 100 \u0111\u1ebfn 300<\/td><td>0.2<\/td><td>0.4<\/td><td>0.8<\/td><\/tr><tr><td>tr\u00ean 300 \u0111\u1ebfn 1000<\/td><td>0.3<\/td><td>0.6<\/td><td>1.2<\/td><\/tr><tr><td>tr\u00ean 1000 \u0111\u1ebfn 3000<\/td><td>0.4<\/td><td>0.8<\/td><td>1.6<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 4 c\u1ee7a ISO 2768: dung sai chung v\u1ec1 \u0111\u1ed9 th\u1eb3ng v\u00e0 \u0111\u1ed9 ph\u1eb3ng<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"parallelism-and-perpendicularity\">Song song v\u00e0 vu\u00f4ng g\u00f3c<\/h3>\n\n\n\n<p>T\u00ednh song song trong ISO 2768 Ph\u1ea7n 2 l\u00e0 duy nh\u1ea5t. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 b\u1eb1ng gi\u00e1 tr\u1ecb s\u1ed1 c\u1ee7a dung sai k\u00edch th\u01b0\u1edbc ho\u1eb7c dung sai \u0111\u1ed9 ph\u1eb3ng\/\u0111\u1ed9 th\u1eb3ng, t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn h\u01a1n. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 ph\u1eadn kh\u1edbp v\u1edbi nhau ho\u00e0n h\u1ea3o m\u00e0 kh\u00f4ng c\u00f3 \u1ee9ng su\u1ea5t ho\u1eb7c bi\u1ebfn d\u1ea1ng kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p>Dung sai \u0111\u1ed9 vu\u00f4ng g\u00f3c c\u0169ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea3i c\u0103n ch\u1ec9nh v\u1edbi nhau theo g\u00f3c vu\u00f4ng. \u0110i\u1ec1u n\u00e0y <strong>\u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c<\/strong> v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf s\u1ef1 m\u01a1 h\u1ed3 trong b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p><strong>B\u1ea3ng 5 \u2013 Dung sai chung v\u1ec1 \u0111\u1ed9 vu\u00f4ng g\u00f3c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a t\u00ednh b\u1eb1ng mm<\/th><th>H<\/th><th>K<\/th><th>L<\/th><\/tr><\/thead><tbody><tr><td>l\u00ean \u0111\u1ebfn 10<\/td><td>0.2<\/td><td>0.4<\/td><td>0.6<\/td><\/tr><tr><td>tr\u00ean 10 \u0111\u1ebfn 30<\/td><td>0.3<\/td><td>0.6<\/td><td>1.0<\/td><\/tr><tr><td>tr\u00ean 30 \u0111\u1ebfn 100<\/td><td>0.4<\/td><td>0.8<\/td><td>1.5<\/td><\/tr><tr><td>tr\u00ean 100 \u0111\u1ebfn 300<\/td><td>0.5<\/td><td>1.0<\/td><td>2.0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 5 c\u1ee7a ISO 2768: dung sai chung v\u1ec1 \u0111\u1ed9 vu\u00f4ng g\u00f3c<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>B\u1ea3ng 6 \u2013 Dung sai chung v\u1ec1 t\u00ednh \u0111\u1ed1i x\u1ee9ng&nbsp;<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a t\u00ednh b\u1eb1ng mm<\/th><th>H<\/th><th>K<\/th><th>L<\/th><\/tr><\/thead><tbody><tr><td>l\u00ean \u0111\u1ebfn 10<\/td><td>0.5<\/td><td>0.6<\/td><td>0.6<\/td><\/tr><tr><td>tr\u00ean 10 \u0111\u1ebfn 30<\/td><td>0.5<\/td><td>0.6<\/td><td>1.0<\/td><\/tr><tr><td>tr\u00ean 30 \u0111\u1ebfn 100<\/td><td>0.5<\/td><td>0.8<\/td><td>1.5<\/td><\/tr><tr><td>tr\u00ean 100 \u0111\u1ebfn 300<\/td><td>0.5<\/td><td>1.0<\/td><td>2.0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>ISO 2768 b\u1ea3ng 6: dung sai chung v\u1ec1 t\u00ednh \u0111\u1ed1i x\u1ee9ng<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>B\u1ea3ng 7 \u2013 Dung sai chung v\u1ec1 \u0111\u1ed9 ch\u1ea1y ra ngo\u00e0i tr\u00f2n&nbsp;<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u1ea1m vi chi\u1ec1u d\u00e0i danh ngh\u0129a t\u00ednh b\u1eb1ng mm<\/th><th>H<\/th><th>K<\/th><th>L<\/th><\/tr><\/thead><tbody><tr><td><\/td><td>0.1<\/td><td>0.2<\/td><td>0.5<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng 7 c\u1ee7a ISO 2768: dung sai chung v\u1ec1 \u0111\u1ed9 l\u1ec7ch tr\u00f2n<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ISO 2768-mK trong gia c\u00f4ng CNC<\/h2>\n\n\n\n<p>Vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n dung sai ISO 2768-mK trong gia c\u00f4ng CNC mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf ch\u00ednh:<\/p>\n\n\n\n<p><strong> Kh\u1ea3 n\u0103ng ho\u00e1n \u0111\u1ed5i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/strong><\/p>\n\n\n\n<p>ISO 2768-mK \u0111\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c dung sai v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh h\u1ecdc nh\u1ea5t qu\u00e1n, cho ph\u00e9p c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ho\u00e1n \u0111\u1ed5i gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1eafp r\u00e1p v\u00e0 gi\u1ea3m nhu c\u1ea7u l\u1eafp r\u00e1p t\u00f9y ch\u1ec9nh ho\u1eb7c l\u00e0m l\u1ea1i.<\/p>\n\n\n\n<p><strong> Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u00e2ng cao<\/strong><\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c dung sai \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong ISO 2768-mK, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 duy tr\u00ec ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u01a1n \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn gi\u1ea3m khuy\u1ebft t\u1eadt, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n<p><strong> Gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t<\/strong><\/p>\n\n\n\n<p>Chu\u1ea9n h\u00f3a dung sai th\u00f4ng qua ISO 2768-mK c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t, gi\u1ea3m th\u1eddi gian thi\u1ebft l\u1eadp, l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u v\u00e0 nhu c\u1ea7u l\u00e0m l\u1ea1i. \u0110i\u1ec1u n\u00e0y chuy\u1ec3n th\u00e0nh gi\u1ea3m t\u1ed5ng chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p><strong> Giao ti\u1ebfp \u0111\u01a1n gi\u1ea3n<\/strong><\/p>\n\n\n\n<p>ISO 2768-mK cung c\u1ea5p ng\u00f4n ng\u1eef chung cho c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t c\u00e1c y\u00eau c\u1ea7u v\u1ec1 dung sai. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u s\u1ef1 hi\u1ec3u l\u1ea7m v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u1ef1 ki\u1ebfn, gi\u1ea3m thi\u1ec3u c\u00e1c l\u1ed7i t\u1ed1n k\u00e9m.<\/p>\n\n\n\n<p><strong>T\u0103ng hi\u1ec7u qu\u1ea3<\/strong><\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf nhu c\u1ea7u ch\u1ec9 \u0111\u1ecbnh dung sai ri\u00eang cho t\u1eebng k\u00edch th\u01b0\u1edbc v\u00e0 t\u00ednh n\u0103ng, ISO 2768-mK \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p th\u1eddi gian quay v\u00f2ng nhanh h\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 chung trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng CNC. T\u00f3m l\u1ea1i, vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n dung sai ISO 2768-mK trong gia c\u00f4ng CNC mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 v\u1ec1 kh\u1ea3 n\u0103ng ho\u00e1n \u0111\u1ed5i, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, gi\u1ea3m chi ph\u00ed, giao ti\u1ebfp v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u00e1ch th\u1ee9c chung khi tri\u1ec3n khai ISO 2768-mK<\/h2>\n\n\n\n<p>Khi tri\u1ec3n khai ti\u00eau chu\u1ea9n dung sai ISO 2768-mK, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n\n\n\n<p><strong>\u0110\u1ed9 kh\u00f4ng ch\u1eafc ch\u1eafn c\u1ee7a ph\u00e9p \u0111o<\/strong><\/p>\n\n\n\n<p>\u0110o ch\u00ednh x\u00e1c c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c dung sai \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ednh n\u0103ng nh\u1ecf h\u01a1n. \u0110\u1ed9 kh\u00f4ng ch\u1eafc ch\u1eafn c\u1ee7a ph\u00e9p \u0111o c\u00f3 th\u1ec3 ph\u00e1t sinh t\u1eeb c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb v\u00e0 k\u1ef9 n\u0103ng c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<p><strong> Giao ti\u1ebfp gi\u1eefa nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t<\/strong><\/p>\n\n\n\n<p>Giao ti\u1ebfp hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf ch\u1ec9 \u0111\u1ecbnh dung sai v\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn l\u00e0 r\u1ea5t quan tr\u1ecdng. Hi\u1ec3u l\u1ea7m v\u1ec1 dung sai d\u1ef1 \u0111\u1ecbnh c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u00e0m l\u1ea1i t\u1ed1n k\u00e9m ho\u1eb7c lo\u1ea1i b\u1ecf.<\/p>\n\n\n\n<p><strong> Duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p<\/strong><\/p>\n\n\n\n<p>Khi t\u00ecm ngu\u1ed3n cung \u1ee9ng linh ki\u1ec7n t\u1eeb nhi\u1ec1u nh\u00e0 cung c\u1ea5p, vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c linh ki\u1ec7n \u0111\u00e1p \u1ee9ng c\u00f9ng y\u00eau c\u1ea7u v\u1ec1 dung sai c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n. S\u1ef1 kh\u00e1c bi\u1ec7t trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n<p><strong>L\u1ef1a ch\u1ecdn l\u1edbp dung sai th\u00edch h\u1ee3p<\/strong><\/p>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang l\u1edbp dung sai (f, m, c ho\u1eb7c v cho k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh; H, K ho\u1eb7c L cho dung sai h\u00ecnh h\u1ecdc) cho t\u1eebng t\u00ednh n\u0103ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<p>Vi\u1ec7c ch\u1ec9 \u0111\u1ecbnh dung sai qu\u00e1 ch\u1eb7t ch\u1ebd c\u00f3 th\u1ec3 l\u00e0m t\u0103ng chi ph\u00ed s\u1ea3n xu\u1ea5t, trong khi dung sai qu\u00e1 l\u1ecfng l\u1ebbo c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9c n\u0103ng.<\/p>\n\n\n\n<p><strong>Ghi ch\u00e9p v\u00e0 duy tr\u00ec h\u1ed3 s\u01a1<\/strong><\/p>\n\n\n\n<p>Vi\u1ec7c ghi ch\u00e9p \u0111\u00fang c\u00e1c y\u00eau c\u1ea7u v\u1ec1 dung sai v\u00e0 l\u01b0u gi\u1eef h\u1ed3 s\u01a1 \u0111o l\u01b0\u1eddng v\u00e0 ki\u1ec3m tra l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ee9ng minh s\u1ef1 tu\u00e2n th\u1ee7 ISO 2768-mK. Vi\u1ec7c l\u01b0u gi\u1eef h\u1ed3 s\u01a1 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p><strong>\u0110\u00e0o t\u1ea1o v\u00e0 gi\u00e1o d\u1ee5c nh\u00e2n vi\u00ean<\/strong><\/p>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 nh\u00e2n vi\u00ean tham gia v\u00e0o qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf, s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra hi\u1ec3u c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ISO 2768-mK l\u00e0 r\u1ea5t quan tr\u1ecdng. Thi\u1ebfu \u0111\u00e0o t\u1ea1o c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i v\u00e0 s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n. \u0110\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t n\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng m\u1ea1nh m\u1ebd v\u00e0 \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng ph\u00f9 h\u1ee3p<\/li>\n\n\n\n<li>Th\u00fac \u0111\u1ea9y giao ti\u1ebfp r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng thu\u1eadt ng\u1eef v\u00e0 t\u00e0i li\u1ec7u chu\u1ea9n h\u00f3a<\/li>\n\n\n\n<li>Thi\u1ebft l\u1eadp c\u00e1c quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng th\u1ed1ng nh\u1ea5t tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 cung c\u1ea5p<\/li>\n\n\n\n<li>Xem x\u00e9t c\u1ea9n th\u1eadn c\u00e1c y\u00eau c\u1ea7u v\u1ec1 dung sai cho t\u1eebng t\u00ednh n\u0103ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh khi c\u1ea7n thi\u1ebft<\/li>\n\n\n\n<li>L\u01b0u gi\u1eef h\u1ed3 s\u01a1 chi ti\u1ebft v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c ph\u00e9p \u0111o v\u00e0 ki\u1ec3m tra<\/li>\n\n\n\n<li>Cung c\u1ea5p \u0111\u00e0o t\u1ea1o to\u00e0n di\u1ec7n cho t\u1ea5t c\u1ea3 nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ISO 2768-mK<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"final-remarks\">L\u1eddi k\u1ebft<\/h2>\n\n\n\n<p>ISO 2768 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n trong<a href=\"https:\/\/www.witcoolmachining-com-608971.hostingersite.com\/cnc-machining\/\" target=\"_blank\" rel=\"noopener\"> Gia c\u00f4ng CNC<\/a> b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c ti\u00eau chu\u1ea9n dung sai quan tr\u1ecdng. Hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng c\u1ea3 hai ph\u1ea7n c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y c\u00f3 th\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng, kh\u1ea3 n\u0103ng ho\u00e1n \u0111\u1ed5i v\u00e0 th\u00e0nh c\u00f4ng chung c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ea1n. Vi\u1ec7c t\u00edch h\u1ee3p ISO 2768 v\u00e0o quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u00e0 c\u00f2n h\u1ee3p l\u00fd h\u00f3a ho\u1ea1t \u0111\u1ed9ng v\u00e0 x\u00e2y d\u1ef1ng l\u00f2ng tin c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<p><strong>Th\u1ef1c hi\u1ec7n b\u01b0\u1edbc ti\u1ebfp theo v\u1edbi Witcool Machinery<\/strong>\u2014ch\u00fang t\u00f4i \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n ISO 2768 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng CNC ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u. H\u00e3y \u0111\u1ec3 ch\u00fang t\u00f4i gi\u00fap n\u00e2ng cao d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n l\u00ean ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 xem ch\u00fang t\u00f4i c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 xu\u1ea5t s\u1eafc nh\u01b0 th\u1ebf n\u00e0o!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<p><strong>ISO 2768 l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p>B\u1ed9 ti\u00eau chu\u1ea9n ISO 2768 \u0111\u01b0\u1ee3c T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n h\u00f3a Qu\u1ed1c t\u1ebf ph\u00e1t tri\u1ec3n \u0111\u1ec3 cung c\u1ea5p dung sai chung cho c\u00e1c k\u00edch th\u01b0\u1edbc tuy\u1ebfn t\u00ednh v\u00e0 g\u00f3c m\u00e0 kh\u00f4ng c\u00f3 ch\u1ec9 d\u1eabn dung sai ri\u00eang tr\u00ean b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt. V\u00ec kh\u00f4ng cung c\u1ea5p dung sai ri\u00eang n\u00ean nh\u00e0 thi\u1ebft k\u1ebf ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c l\u00e0m theo b\u1ea3n v\u1ebd s\u1ebd ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<p><strong>T\u1ea1i sao ISO 2768 l\u1ea1i quan tr\u1ecdng<\/strong>?<\/p>\n\n\n\n<p>M\u1ed7i \u0111\u1eb7c \u0111i\u1ec3m tr\u00ean m\u1ed9t th\u00e0nh ph\u1ea7n lu\u00f4n c\u00f3 h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc. Vi\u1ec7c l\u1ec7ch kh\u1ecfi c\u00e1c k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft th\u01b0\u1eddng l\u00e0m suy y\u1ebfu ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 ph\u1eadn. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ho\u00e0n thi\u1ec7n dung sai tr\u00ean b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<p><strong>ISO 2768-mK c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p>L\u1edbp dung sai \u201cm\u201d \u0111\u1ed1i v\u1edbi Ph\u1ea7n 1 c\u00f3 ngh\u0129a l\u00e0 trung b\u00ecnh. M\u1eb7t kh\u00e1c, l\u1edbp \u201cK\u201d l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ISO 2768-2. Do \u0111\u00f3, ISO 2768-mK c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n nh\u01b0 v\u1eady ph\u1ea3i \u0111\u00e1p \u1ee9ng ph\u1ea1m vi dung sai \u201ctrung b\u00ecnh\u201d \u0111\u1ed1i v\u1edbi Ph\u1ea7n 1 v\u00e0 l\u1edbp dung sai \u201cK\u201d \u0111\u1ed1i v\u1edbi Ph\u1ea7n 2.<\/p>\n\n\n\n<p><strong>ISO 2768 t\u00e1c \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng?<\/strong><\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ISO 2768, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u1ea5t qu\u00e1n trong c\u00e1c linh ki\u1ec7n c\u1ee7a m\u00ecnh, gi\u1ea3m l\u1ed7i v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 \u0111\u1ed9 v\u1eeba v\u1eb7n v\u00e0 ch\u1ee9c n\u0103ng.<\/p>\n\n\n\n<p><strong>ISO 2768 kh\u00e1c v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf kh\u00e1c nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n\n\n\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 kh\u00e1c, ISO 2768 cung c\u1ea5p dung sai h\u00ecnh h\u1ecdc chung, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00e1c nhau, kh\u00f4ng ch\u1ec9 ri\u00eang gia c\u00f4ng CNC.<\/p>\n\n\n\n<p><strong>T\u1ea1i sao t\u00f4i n\u00ean t\u00edch h\u1ee3p ISO 2768 v\u00e0o quy tr\u00ecnh thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh?<\/strong><\/p>\n\n\n\n<p>Vi\u1ec7c t\u00edch h\u1ee3p ISO 2768 v\u00e0o thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o theo ti\u00eau chu\u1ea9n dung sai qu\u1ed1c t\u1ebf, c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng to\u00e0n c\u1ea7u.<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o ISO 2768, m\u1ed9t ti\u00eau chu\u1ea9n quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh dung sai gia c\u00f4ng trong c\u00e1c quy tr\u00ecnh CNC. T\u00ecm hi\u1ec3u c\u00e1ch l\u00e0m ch\u1ee7 c\u00e1c dung sai n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 trong s\u1ea3n xu\u1ea5t CNC, cho ph\u00e9p c\u00f3 k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>","protected":false},"author":1,"featured_media":15974,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[156],"tags":[],"class_list":["post-15963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-base"],"_links":{"self":[{"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/posts\/15963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/comments?post=15963"}],"version-history":[{"count":24,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/posts\/15963\/revisions"}],"predecessor-version":[{"id":16033,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/posts\/15963\/revisions\/16033"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/media\/15974"}],"wp:attachment":[{"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/media?parent=15963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/categories?post=15963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wit.cool\/vn\/wp-json\/wp\/v2\/tags?post=15963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}