{"id":17453,"date":"2022-01-20T08:54:11","date_gmt":"2022-01-20T08:54:11","guid":{"rendered":"https:\/\/tooling.harsle.com\/?p=17453"},"modified":"2022-01-24T08:09:22","modified_gmt":"2022-01-24T08:09:22","slug":"the-materials-of-bending-tooling-mystery-revealed","status":"publish","type":"post","link":"https:\/\/tooling.harsle.com\/vi\/the-materials-of-bending-tooling-mystery-revealed\/","title":{"rendered":"B\u00ed \u1ea9n v\u1ec1 c\u00f4ng c\u1ee5 u\u1ed1n \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9"},"content":{"rendered":"<p class=\"yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><\/span><span class=\"yoast-reading-time__descriptive-text\">Th\u1eddi gian \u0111\u1ecdc \u01b0\u1edbc t\u00ednh:  <\/span><span class=\"yoast-reading-time__reading-time\">7<\/span><span class=\"yoast-reading-time__time-unit\"> ph\u00fat<\/span><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"M\u00e1y u\u1ed1n m\u00e1ng c\u00e1p t\u1ef1 \u0111\u1ed9ng, h\u00e3m \u00e9p CNC cho d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ea7u c\u00e1p\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/RuwlQbzMmzs?list=PLBJ9_Wl_KHY9gqM8bGEvO52WkyVcv_FUe\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-harsle-bending-division wp-block-embed-harsle-bending-division wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/bending.harsle.com\/product\/110t-3200-cnc-hydraulic-press-brake-da58t-door-frame-bending\/\n<\/div><\/figure>\n\n\n\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t <a href=\"https:\/\/bending.harsle.com\/product\/100t-3200-with-da66t-cnc-81-axis-sheet-metal-brake-bending\/\" target=\"_blank\" rel=\"noopener\">m\u00e1y u\u1ed1n<\/a> d\u1ee5ng c\u1ee5, bao g\u1ed3m th\u00e9p, cacbua xi m\u0103ng, cacbua xi m\u0103ng li\u00ean k\u1ebft th\u00e9p, h\u1ee3p kim k\u1ebdm, h\u1ee3p kim c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p, \u0111\u1ed3ng nh\u00f4m, v\u1eadt li\u1ec7u polymer, v.v. Hi\u1ec7n nay, h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 m\u00e1y d\u1eadp v\u00e0 u\u1ed1n l\u00e0 th\u00e9p. C\u00e1c v\u1eadt li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m vi\u1ec7c c\u1ee7a khu\u00f4n m\u00e1y u\u1ed1n bao g\u1ed3m: th\u00e9p c\u00f4ng c\u1ee5 cacbon, th\u00e9p c\u00f4ng c\u1ee5 h\u1ee3p kim th\u1ea5p, th\u00e9p c\u00f4ng c\u1ee5 cacbon cao cr\u00f4m cao ho\u1eb7c cr\u00f4m trung b\u00ecnh, th\u00e9p h\u1ee3p kim cacbon trung b\u00ecnh, th\u00e9p t\u1ed1c \u0111\u1ed9 cao, th\u00e9p c\u01a1 b\u1ea3n, cacbua xi m\u0103ng, th\u00e9p- cacbua xi m\u0103ng ngo\u1ea1i quan, vv<\/p>\n\n\n\n<p id=\"h-the-following-introduces-several-material-knowledge\"><strong>Sau \u0111\u00e2y gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c v\u1eadt ch\u1ea5t:<\/strong>\u2002\u2002\u2002<\/p>\n\n\n\n<p id=\"h-1-carbon-tool-steel\"><strong>1.<\/strong>&nbsp;<strong>Carbon <\/strong><strong>NS<\/strong><strong>d\u1ea7u <\/strong><strong>S<\/strong><strong>teel<\/strong>\u2002\u2002\u2002\u2002<\/p>\n\n\n\n<p id=\"h-the-most-commonly-used-carbon-tool-steels-in-bending-machine-molds-are-t8a-t10a-etc-which-have-the-advantages-of-good-processing-performance-and-low-price-however-the-harden-ability-and-red-hardness-are-poor-the-heat-treatment-deformation-is-large-and-the-load-bearing-capacity-is-low\">C\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 carbon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong khu\u00f4n m\u00e1y u\u1ed1n l\u00e0 T8A, T10A, v.v., c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd t\u1ed1t v\u00e0 gi\u00e1 th\u00e0nh th\u1ea5p. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng v\u00e0 \u0111\u1ed9 c\u1ee9ng m\u00e0u \u0111\u1ecf k\u00e9m, bi\u1ebfn d\u1ea1ng x\u1eed l\u00fd nhi\u1ec7t l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1ea5p.<\/p>\n\n\n\n<p><strong>2<\/strong><strong>. Th\u1ea5p <\/strong><strong>M\u1ed8T<\/strong><strong>h\u1ee3p kim <\/strong><strong>NS<\/strong><strong>d\u1ea7u <\/strong><strong>S<\/strong><strong>teel <\/strong>\u2002\u2002\u2002\u2002\u2002<\/p>\n\n\n\n<p>Th\u00e9p c\u00f4ng c\u1ee5 h\u1ee3p kim th\u1ea5p d\u1ef1a tr\u00ean th\u00e9p c\u00f4ng c\u1ee5 carbon v\u1edbi m\u1ed9t l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 h\u1ee3p kim th\u00edch h\u1ee3p. So v\u1edbi th\u00e9p c\u00f4ng c\u1ee5 carbon, n\u00f3 l\u00e0m gi\u1ea3m bi\u1ebfn d\u1ea1ng d\u1eadp t\u1eaft v\u00e0 xu h\u01b0\u1edbng n\u1ee9t, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng c\u1ee7a th\u00e9p v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n. C\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t khu\u00f4n m\u00e1y u\u1ed1n bao g\u1ed3m CrWMn, 9Mn2V, 7CrSiMnMoV (m\u00e3 CH-1), 6CrNiSiMnMoV (m\u00e3 GD), v.v.<\/p>\n\n\n\n<p><strong>3<\/strong><strong>.<\/strong>\u2002<strong>Cao <\/strong><strong>NS<\/strong><strong>arbon v\u00e0 <\/strong><strong>NS<\/strong><strong>\u00f4i <\/strong><strong>NS<\/strong><strong>crom <\/strong><strong>NS<\/strong><strong>d\u1ea7u <\/strong><strong>S<\/strong><strong>teel<\/strong>\u2002\u2002\u2002<\/p>\n\n\n\n<p>C\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao v\u00e0 crom cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 Cr12, Cr12MoV, Cr12Mo1V1 (m\u00e3 D2), ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng t\u1ed1t, kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n, bi\u1ebfn d\u1ea1ng x\u1eed l\u00fd nhi\u1ec7t r\u1ea5t nh\u1ecf, cho kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao v\u00e0 khu\u00f4n m\u00e1y u\u1ed1n vi m\u00f4. , kh\u1ea3 n\u0103ng chuy\u00ean ch\u1edf ch\u1ec9 \u0111\u1ee9ng sau th\u00e9p t\u1ed1c \u0111\u1ed9 cao. Tuy nhi\u00ean,<\/p>\n\n\n\n<p>s\u1ef1 ph\u00e2n t\u00e1ch cacbua l\u00e0 nghi\u00eam tr\u1ecdng, v\u00e0 ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111\u1ea3o l\u1ed9n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i (l\u1ed9n ng\u01b0\u1ee3c tr\u1ee5c, \u0111\u1ea3o l\u1ed9n h\u01b0\u1edbng t\u00e2m) v\u00e0 r\u00e8n \u0111\u1ec3 gi\u1ea3m s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a cacbua v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p><strong>4<\/strong><strong>. Cao <\/strong><strong>NS<\/strong><strong>arbon <\/strong><strong>NS<\/strong><strong>edium <\/strong><strong>NS<\/strong><strong>crom <\/strong><strong>NS<\/strong><strong>d\u1ea7u <\/strong><strong>S<\/strong><strong>teel<\/strong>\u2002\u2002\u2002\u2002<\/p>\n\n\n\n<p>C\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon trung b\u00ecnh-crom cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho khu\u00f4n m\u00e1y u\u1ed1n bao g\u1ed3m Cr4W2MoV, Cr6WV, Cr5MoV, v.v. Ch\u00fang c\u00f3 h\u00e0m l\u01b0\u1ee3ng cr\u00f4m th\u1ea5p, cacbua \u00edt eutectic, ph\u00e2n b\u1ed1 cacbua \u0111\u1ed3ng \u0111\u1ec1u, bi\u1ebfn d\u1ea1ng x\u1eed l\u00fd nhi\u1ec7t nh\u1ecf v\u00e0 kh\u1ea3 n\u0103ng t\u00f4i c\u1ee9ng t\u1ed1t. V\u00e0 chi\u1ec1u \u1ed5n \u0111\u1ecbnh. So v\u1edbi th\u00e9p carbon cao v\u00e0 crom cao v\u1edbi s\u1ef1 ph\u00e2n t\u00e1ch cacbua t\u01b0\u01a1ng \u0111\u1ed1i nghi\u00eam tr\u1ecdng, hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n<p><strong>5<\/strong><strong>. T\u1ed1c \u0111\u1ed9 cao <\/strong><strong>S<\/strong><strong>teel<\/strong>\u2002\u2002\u2002\u2002<\/p>\n\n\n\n<p>Th\u00e9p t\u1ed1c \u0111\u1ed9 cao c\u00f3 \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n cao nh\u1ea5t trong s\u1ed1 c\u00e1c lo\u1ea1i th\u00e9p khu\u00f4n d\u00f9ng cho m\u00e1y u\u1ed1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <a href=\"https:\/\/bending.harsle.com\/ko\/product\/100t-3200-electro-hydraulic-servo-cnc-bending-machine-with-da66t\/\" target=\"_blank\" rel=\"noopener\">m\u00e1y u\u1ed1n <\/a>khu\u00f4n l\u00e0 W18Cr4V (m\u00e3 8-4-1) v\u00e0 W6Mo5 Cr4V2 (m\u00e3 6-5-4-2, nh\u00e3n hi\u1ec7u M2 c\u1ee7a Hoa K\u1ef3) v\u1edbi h\u00e0m l\u01b0\u1ee3ng vonfram \u00edt h\u01a1n, c\u0169ng nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u1eed cacbon v\u00e0 cacbon \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai. Th\u00e9p t\u1ed1c \u0111\u1ed9 cao vanadi 6W6Mo5 Cr4V (m\u00e3 6W6 ho\u1eb7c carbon th\u1ea5p M2). Th\u00e9p t\u1ed1c \u0111\u1ed9 cao c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c r\u00e8n \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 ph\u00e2n b\u1ed1 cacbua c\u1ee7a n\u00f3.<\/p>\n\n\n\n<p><strong>6<\/strong><strong>.<\/strong>&nbsp;<strong>C\u01a1 s\u1edf <\/strong><strong>S<\/strong><strong>teel<\/strong>\u2002\u2002\u2002\u2002<\/p>\n\n\n\n<p>Th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c v\u00e0o th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a th\u00e9p t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed3ng th\u1eddi t\u0103ng ho\u1eb7c gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng carbon m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p.<\/p>\n\n\n\n<p>C\u00e1c lo\u1ea1i th\u00e9p nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 th\u00e9p c\u01a1 b\u1ea3n. Ch\u00fang kh\u00f4ng ch\u1ec9 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a th\u00e9p t\u1ed1c \u0111\u1ed9 cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng nh\u1ea5t \u0111\u1ecbnh, m\u00e0 c\u00f2n c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n m\u1ecfi t\u1ed1t h\u01a1n th\u00e9p t\u1ed1c \u0111\u1ed9 cao. Ch\u00fang l\u00e0 th\u00e9p khu\u00f4n m\u00e1y u\u1ed1n gia c\u00f4ng ngu\u1ed9i c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n cao, v\u00e0 chi ph\u00ed v\u1eadt li\u1ec7u th\u1ea5p h\u01a1n so v\u1edbi th\u00e9p t\u1ed1c \u0111\u1ed9 cao. C\u00e1c lo\u1ea1i th\u00e9p c\u01a1 b\u1ea3n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khu\u00f4n m\u00e1y u\u1ed1n l\u00e0 6Cr4W3Mo2VNb (m\u00e3 65Nb), 7Cr7Mo2V2Si (m\u00e3 LD), 5Cr4Mo3SiMnVAL (m\u00e3 012AL), v.v.<\/p>\n\n\n\n<p><strong>7<\/strong><strong>.<\/strong>&nbsp;<strong>tr\u00e1ng xi m\u0103ng <\/strong><strong>NS<\/strong><strong>arbua v\u00e0 <\/strong><strong>S<\/strong><strong>teel <\/strong><strong>NS<\/strong><strong>th\u00eam v\u00e0o <\/strong><strong>NS<\/strong><strong>nh\u1eadn th\u1ee9c <\/strong><strong>NS<\/strong><strong>arbit<\/strong>\u2002\u2002\u2002\u2002\u2002<\/p>\n\n\n\n<p>\u0110\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a cacbua xi m\u0103ng cao h\u01a1n b\u1ea5t k\u1ef3 lo\u1ea1i th\u00e9p khu\u00f4n m\u00e1y u\u1ed1n n\u00e0o kh\u00e1c, nh\u01b0ng \u0111\u1ed9 b\u1ec1n u\u1ed1n v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9m. Cacbua xi m\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m khu\u00f4n c\u1ee7a m\u00e1y u\u1ed1n l\u00e0 vonfram-coban. \u0110\u1ed1i v\u1edbi khu\u00f4n m\u00e1y u\u1ed1n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, c\u00f3 th\u1ec3 ch\u1ecdn cacbua xi m\u0103ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng coban th\u1ea5p h\u01a1n. \u0110\u1ed1i v\u1edbi khu\u00f4n m\u00e1y u\u1ed1n t\u00e1c \u0111\u1ed9ng cao, c\u00f3 th\u1ec3 ch\u1ecdn cacbua xi m\u0103ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng coban cao h\u01a1n.<\/p>\n\n\n\n<p>Cacbua xi m\u0103ng li\u00ean k\u1ebft th\u00e9p \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf b\u1ed9t nguy\u00ean t\u1ed1 h\u1ee3p kim (ch\u1eb3ng h\u1ea1n nh\u01b0 crom, molypden, vonfram, vanadi, v.v.) v\u00e0o b\u1ed9t s\u1eaft l\u00e0m ch\u1ea5t k\u1ebft d\u00ednh, s\u1eed d\u1ee5ng cacbua titan ho\u1eb7c cacbua vonfram l\u00e0m pha c\u1ee9ng v\u00e0 thi\u00eau k\u1ebft b\u1eb1ng luy\u1ec7n kim b\u1ed9t. Ma tr\u1eadn cacbua xi m\u0103ng li\u00ean k\u1ebft th\u00e9p l\u00e0 th\u00e9p, kh\u1eafc ph\u1ee5c nh\u01b0\u1ee3c \u0111i\u1ec3m k\u00e9m d\u1ebbo dai v\u00e0 kh\u00f3 gia c\u00f4ng c\u1ee7a cacbua xi m\u0103ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft, h\u00e0n, r\u00e8n v\u00e0 x\u1eed l\u00fd nhi\u1ec7t. Cacbua xi m\u0103ng li\u00ean k\u1ebft th\u00e9p ch\u1ee9a r\u1ea5t nhi\u1ec1u cacbua. M\u1eb7c d\u00f9 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n th\u1ea5p h\u01a1n so v\u1edbi cacbua xi m\u0103ng, nh\u01b0ng n\u00f3 v\u1eabn cao h\u01a1n c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c. Sau khi l\u00e0m ngu\u1ed9i v\u00e0 \u1ee7, \u0111\u1ed9 c\u1ee9ng c\u00f3 th\u1ec3 \u0111\u1ea1t 68 ~ 73HRC.<\/p>\n\n\n\n<p><strong>8<\/strong><strong>. M\u1edbi <\/strong><strong>NS<\/strong><strong>h\u00e0nh lang<\/strong>\u2002\u2002\u2002<\/p>\n\n\n\n<p>V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khu\u00f4n c\u1ee7a m\u00e1y u\u1ed1n CNC d\u1eadp<a href=\"https:\/\/www.youtube.com\/watch?v=rcnfHpPizBI&amp;list=PLBJ9_Wl_KHY9gqM8bGEvO52WkyVcv_FUe&amp;index=11\" target=\"_blank\" rel=\"noopener\">e <\/a>thu\u1ed9c v\u1ec1 th\u00e9p khu\u00f4n c\u1ee7a m\u00e1y u\u1ed1n ngu\u1ed9i, l\u00e0 lo\u1ea1i th\u00e9p khu\u00f4n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a m\u00e1y u\u1ed1n. C\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t ch\u00ednh l\u00e0 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n. Hi\u1ec7n nay, xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a th\u00e9p khu\u00f4n m\u00e1y u\u1ed1n ngu\u1ed9i d\u1ef1a tr\u00ean hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p h\u1ee3p kim cao D2 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi Cr12MoV c\u1ee7a n\u01b0\u1edbc t\u00f4i), \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00e1nh ch\u00ednh: m\u1ed9t l\u00e0 gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 h\u1ee3p kim , v\u00e0 \u0111\u1ec3 t\u0103ng cacbua trong th\u00e9p. T\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ph\u00e2n b\u1ed1 l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai c\u1ee7a khu\u00f4n m\u00e1y u\u1ed1n. Ch\u1eb3ng h\u1ea1n nh\u01b0 8CrMo2V2Si c\u1ee7a C\u00f4ng ty Th\u00e9p H\u1ee3p kim Vanadi \u1edf Hoa K\u1ef3 v\u00e0 DC53 (Cr8Mo2SiV) c\u1ee7a C\u00f4ng ty Th\u00e9p \u0110\u1eb7c bi\u1ec7t \u0110\u1ea1i \u0110\u1ed3ng \u1edf Nh\u1eadt B\u1ea3n. Lo\u1ea1i c\u00f2n l\u1ea1i l\u00e0 th\u00e9p t\u1ed1c \u0111\u1ed9 cao d\u1ea1ng b\u1ed9t \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u1edbi m\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 t\u1ed1c \u0111\u1ed9 cao. Ch\u1eb3ng h\u1ea1n nh\u01b0 320CrVMo13 \u1edf \u0110\u1ee9c, v.v.<\/p>\n\n\n\n<p>Ch\u1ea5t li\u1ec7u c\u1ee7a <a href=\"https:\/\/www.youtube.com\/watch?v=rcnfHpPizBI&amp;list=PLBJ9_Wl_KHY9gqM8bGEvO52WkyVcv_FUe&amp;index=11\" target=\"_blank\" rel=\"noopener\">d\u1ee5ng c\u1ee5 m\u00e1y u\u1ed1n<\/a>&nbsp;l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a d\u1ecbch v\u1ee5. N\u1ebfu v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn t\u1ed1t, tu\u1ed5i th\u1ecd s\u1ebd t\u01b0\u01a1ng \u0111\u1ed1i k\u00e9o d\u00e0i m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c y\u1ebfu t\u1ed1 bi\u1ebfn \u0111\u1ed5i kh\u00e1c.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"613\" height=\"407\" src=\"https:\/\/tooling.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72472-4.png\" alt=\"d\u1ee5ng c\u1ee5 u\u1ed1n\" class=\"wd-lazy-fade wp-image-17495\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72472-4.png 613w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72472-4-300x199.png 300w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72472-4-18x12.png 18w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72472-4-600x398.png 600w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72472-4-150x100.png 150w\" sizes=\"(max-width: 613px) 100vw, 613px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p><strong>N\u1eefa <\/strong><strong>t\u00f4i<\/strong><strong>quan tr\u1ecdng <\/strong><strong>F<\/strong><strong>di\u1ec5n vi\u00ean nam <\/strong><strong>NS<\/strong><strong>m\u0169 <\/strong><strong>M\u1ed8T<\/strong><strong>\u1ea3nh h\u01b0\u1edfng <\/strong><strong>S<\/strong><strong>d\u1ecbch v\u1ee5 <\/strong><strong>L<\/strong><strong>n\u1ebfu l\u00e0 <\/strong><strong>NS<\/strong><strong>anh ta <\/strong><strong>NS<\/strong><strong>\u0103n <\/strong><strong>NS<\/strong><strong>x\u1eed l\u00fd <\/strong><strong>P<\/strong><strong>\u0111i l\u1ea1i <\/strong><strong>\u0110.<\/strong><strong>th\u00fac gi\u1ee5c <\/strong><strong>P<\/strong><strong>gia c\u00f4ng.<\/strong><strong><\/strong><\/p>\n\n\n\n<p><strong>1.<\/strong>&nbsp;x\u1eed l\u00fd nhi\u1ec7t to\u00e0n th\u00e2n v\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a c\u1ea1nh dao ho\u00e0n to\u00e0n l\u00e0 hai kh\u00e1i ni\u1ec7m. \u0110\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed x\u1eed l\u00fd, m\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t khu\u00f4n m\u00e1y u\u1ed1n kh\u00f4ng tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t to\u00e0n th\u00e2n sau khi t\u1ea1o khu\u00f4n m\u00e0 l\u00e0m oxy h\u00f3a c\u00e1c c\u1ea1nh dao tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a m\u00e1y u\u1ed1n. \u0110\u1ed9 c\u1ee9ng sau qu\u00e1 tr\u00ecnh oxy h\u00f3a th\u1ea5p h\u01a1n \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t sau khi x\u1eed l\u00fd nhi\u1ec7t to\u00e0n th\u00e2n. So v\u1edbi x\u1eed l\u00fd nhi\u1ec7t to\u00e0n th\u00e2n, tu\u1ed5i th\u1ecd c\u1ee7a khu\u00f4n ch\u1ec9 b\u1eb1ng qu\u00e1 tr\u00ecnh oxy h\u00f3a c\u1ea1nh dao \u0111\u01a1n gi\u1ea3n gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi x\u1eed l\u00fd nhi\u1ec7t to\u00e0n th\u00e2n. \u0110\u00e2y l\u00e0 m\u1ed9t trong s\u1ed1 h\u1ecd.<\/p>\n\n\n\n<p><strong>2.<\/strong>&nbsp;s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t c\u0169ng l\u00e0 m\u1ed9t l\u00fd do ch\u00ednh. N\u00f3i chung, quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t khu\u00f4n s\u1eed d\u1ee5ng l\u00e0 x\u1eed l\u00fd nhi\u1ec7t l\u00f2 nhi\u1ec7t \u0111\u1ed9 cao. M\u1eb7c d\u00f9 b\u1ec1 m\u1eb7t c\u1ee7a khu\u00f4n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u1eabn c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m. \u0110\u1ed9 c\u1ee9ng c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn c\u1ee7a khu\u00f4n \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 \u00edt nhi\u1ec1u ch\u1eafc ch\u1eafn. S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 \u0111i\u1ec1u m\u00e0 x\u1eed l\u00fd nhi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0 b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng t\u01b0\u01a1ng \u1ee9ng. C\u00e0ng v\u00e0o s\u00e2u b\u00ean trong, \u0111\u1ed9 c\u1ee9ng s\u1ebd c\u00e0ng gi\u1ea3m. Do \u0111\u00f3, hai \u0111i\u1ec3m tr\u00ean s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a khu\u00f4n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"460\" height=\"308\" src=\"https:\/\/tooling.harsle.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72473-1.png\" alt=\"c\u00f4ng c\u1ee5 t\u00f9y ch\u1ec9nh\" class=\"wd-lazy-fade wp-image-17496\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72473-1.png 460w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72473-1-300x201.png 300w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72473-1-18x12.png 18w, https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u56fe\u72473-1-150x100.png 150w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p>Do c\u1ea5u tr\u00fac kh\u00e1c nhau c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u ph\u00f4i kh\u00e1c nhau, c\u00e1c c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u0169ng kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 c\u1ee9ng v\u1eadt li\u1ec7u, h\u1ec7 s\u1ed1 k\u00e9o, \u0111\u1ed9 d\u1ebbo, v.v. l\u00e0 kh\u00e1c nhau. Khi ch\u1ecdn khu\u00f4n, c\u00f3 th\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd theo \u00e1p su\u1ea5t, c\u1ea5u tr\u00fac, v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc m\u1edf ra c\u1ee7a ph\u00f4i, y\u00eau c\u1ea7u quy tr\u00ecnh, x\u1eed l\u00fd b\u1ec1 m\u1eb7t, v.v. c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, chi\u1ec1u r\u1ed9ng c\u1ee7a r\u00e3nh c\u1ee7a khu\u00f4n d\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ecdn cho c\u00e1c t\u1ea5m s\u1eaft, g\u1ea5p 7-9 l\u1ea7n \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u, kh\u00f4ng \u00edt h\u01a1n 7 l\u1ea7n. C\u00e1c r\u00e3nh c\u1ee7a khu\u00f4n l\u1ef1a ch\u1ecdn b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 g\u1ea5p 6-8 l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, kh\u00f4ng \u00edt h\u01a1n 6 l\u1ea7n. \u0110\u1ed1i v\u1edbi nh\u00f4m v\u00e0 \u0111\u1ed3ng, r\u00e3nh c\u1ee7a khu\u00f4n d\u01b0\u1edbi c\u00f3 th\u1ec3 g\u1ea5p 6-8 l\u1ea7n \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u, kh\u00f4ng \u00edt h\u01a1n 6 l\u1ea7n (n\u00ean tr\u00e1nh c\u00e1c v\u1ebft n\u1ee9t b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh u\u1ed1n).<\/p>\n\n\n\n<p><strong>C\u00e1c c\u00f4ng c\u1ee5 t\u00f9y ch\u1ec9nh c\u0169ng c\u00f3 s\u1eb5n v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 sau<\/strong><strong>&nbsp;<\/strong><strong>th\u00f4ng tin:<\/strong><strong><\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\" type=\"1\"><li>g\u00f3c c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c u\u1ed1n cong<br>2. H\u00ecnh d\u1ea1ng c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n ph\u1ea3i c\u00f3<br>3. \u0110\u1ed9 d\u00e0y\/v\u1eadt li\u1ec7u c\u1ee7a t\u1ea5m cho b\u1ed9 ph\u1eadn<br>4. Chi\u1ec1u d\u00e0i chi ti\u1ebft ph\u1ea3i u\u1ed1n<br>5. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi b\u1ed9 ph\u1eadn (kh\u1ea3 n\u0103ng tr\u1ea7y x\u01b0\u1edbc, B\u00e1n k\u00ednh, song song, tuy\u1ebfn t\u00ednh)<\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>There are many kinds of materials for the production of bending machine tooling, including steel, cemented carbide, steel-bonded cemented carbide,<\/p>","protected":false},"author":1,"featured_media":17456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[2123,2120,2122],"class_list":["post-17453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-brake-tooling","tag-bending-materials","tag-bending-tooling","tag-customized-tools"],"jetpack_featured_media_url":"https:\/\/tooling.harsle.com\/wp-content\/uploads\/2022\/01\/\u5fae\u4fe1\u56fe\u7247_20220120162012-1.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/posts\/17453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/comments?post=17453"}],"version-history":[{"count":0,"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/posts\/17453\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/media\/17456"}],"wp:attachment":[{"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/media?parent=17453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/categories?post=17453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tooling.harsle.com\/vi\/wp-json\/wp\/v2\/tags?post=17453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}