{"id":4409,"date":"2025-07-04T11:50:20","date_gmt":"2025-07-04T03:50:20","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4409"},"modified":"2025-07-01T16:57:30","modified_gmt":"2025-07-01T08:57:30","slug":"qua-trinh-duc-bot-bi-mat-cho-thep-mangan-cao","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/lost-foam-casting-process-for-high-manganese-steel\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho th\u00e9p mangan cao"},"content":{"rendered":"<h1><\/h1>\n<h2><strong><b>Gi\u1edbi thi\u1ec7u v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/b><\/strong><\/h2>\n<p><a href=\"https:\/\/www.oc-epc.com\/vi\/cac-san-pham\/\"><strong><u><b>M\u1ea5t b\u1ecdt \u0111\u00fac<\/b><\/u><\/strong><\/a>\u00a0l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi, m\u1edbi \u0111\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i kh\u00f3 kh\u0103n. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac khu\u00f4n \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c \u0111\u00fac m\u1eabu bay h\u01a1i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t m\u1eabu b\u1ecdt l\u00e0m b\u1eb1ng polystyrene. B\u1ecdt \u1edf trong khu\u00f4n khi kim lo\u1ea1i n\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1ed5. B\u1ecdt bi\u1ebfn th\u00e0nh kh\u00ed khi kim lo\u1ea1i ch\u1ea1m v\u00e0o n\u00f3. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh ph\u1ea7n cu\u1ed1i c\u00f9ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u0169, b\u1ea1n kh\u00f4ng c\u1ea7n k\u00e9o m\u1eabu ra. \u0110i\u1ec1u n\u00e0y l\u00e0m cho m\u1ecdi th\u1ee9 \u0111\u01a1n gi\u1ea3n h\u01a1n. N\u00f3 c\u0169ng c\u1eaft gi\u1ea3m chi ph\u00ed.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-4410\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-2Steel.webp\" alt=\"Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho Mangan 2Steel cao\" width=\"535\" height=\"433\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-2Steel.webp 535w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-2Steel-300x243.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-2Steel-15x12.webp 15w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/><\/p>\n<h2><strong><b>C\u00e1c b\u01b0\u1edbc quy tr\u00ecnh<\/b><\/strong><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc ch\u00ednh trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t:<\/p>\n<ol>\n<li><strong>T\u1ea1o m\u00f4 h\u00ecnh<\/strong>H\u00ecnh d\u1ea1ng b\u1ecdt \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb polystyrene m\u1edf r\u1ed9ng (EPS). N\u00f3 gi\u1ed1ng nh\u01b0 ph\u1ea7n b\u1ea1n mu\u1ed1n.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng l\u1edbp ph\u1ee7<\/strong>: B\u1ecdt c\u00f3 m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ed1ng nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u1eef cho ph\u1ea7n m\u1ecbn v\u00e0 ng\u0103n ch\u1eb7n c\u00e1t b\u1ecb m\u00f2n \u0111i.<\/li>\n<li><strong>H\u00ecnh th\u00e0nh khu\u00f4n<\/strong>B\u1ecdt ph\u1ee7 \u0111\u01b0\u1ee3c ch\u00f4n trong c\u00e1t l\u1ecfng l\u1ecfng b\u00ean trong m\u1ed9t h\u1ed9p th\u00e9p. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t khu\u00f4n m\u1ea1nh m\u1ebd m\u00e0 kh\u00f4ng c\u00f3 keo.<\/li>\n<li><strong>R\u00f3t<\/strong>: Kim lo\u1ea1i n\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o. N\u00f3 \u0111\u1ed1t ch\u00e1y b\u1ecdt v\u00e0 l\u1ea5p \u0111\u1ea7y kh\u00f4ng gian.<\/li>\n<li><strong>L\u00e0m m\u00e1t v\u00e0 chi\u1ebft xu\u1ea5t<\/strong>Sau khi l\u00e0m m\u00e1t, c\u00e1t \u0111\u01b0\u1ee3c l\u1ea5y \u0111i. Ph\u1ea7n ho\u00e0n th\u00e0nh \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9.<\/li>\n<\/ol>\n<h2><strong><b>L\u1ee3i th\u1ebf chung c\u1ee7a Lost Foam Casting<\/b><\/strong><\/h2>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng c\u1ea7n l\u00f5i ho\u1eb7c \u0111\u01b0\u1eddng chia. N\u00f3 si\u00eau ch\u00ednh x\u00e1c. B\u1ec1 m\u1eb7t m\u1ecbn, v\u1edbi k\u1ebft th\u00fac t\u1eeb 2,5 \u0111\u1ebfn 25 \u03bcm RMS. N\u00f3 r\u1ebb v\u00ec n\u00f3 c\u00f3 \u00edt b\u01b0\u1edbc h\u01a1n. C\u00e1t l\u1ecfng l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i. N\u00f3 c\u0169ng t\u1ed1t cho h\u00e0nh tinh. N\u00f3 l\u00e0m gi\u1ea3m \u00f4 nhi\u1ec5m v\u00e0 ch\u1ea5t th\u1ea3i.<\/p>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t ho\u1ea1t \u0111\u1ed9ng cho c\u00e1c b\u1ed9 ph\u1eadn xe h\u01a1i nh\u01b0 kh\u1ed1i \u0111\u1ed9ng c\u01a1. N\u00f3 c\u0169ng tuy\u1ec7t v\u1eddi cho c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay v\u00e0 c\u00e1c m\u1ea3nh m\u00e1y m\u00f3c l\u1edbn.<\/p>\n<h2><strong><b>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho th\u00e9p<\/b><\/strong><\/h2>\n<p>L\u00e0m c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ea7n c\u00e1c th\u1ee7 thu\u1eadt \u0111\u1eb7c bi\u1ec7t. Th\u00e9p c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y cao. N\u00f3 c\u0169ng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m kim lo\u1ea1i \u0111\u1ed9c \u0111\u00e1o. B\u1ea1n c\u1ea7n t\u1eadp trung v\u00e0o c\u00e1c lo\u1ea1i b\u1ecdt, l\u1edbp ph\u1ee7 v\u00e0 c\u00e0i \u0111\u1eb7t \u0111\u1ed5.<\/p>\n<h3><strong><b>Nh\u1eefng c\u00e2n nh\u1eafc k\u1ef9 thu\u1eadt<\/b><\/strong><\/h3>\n<ol>\n<li><strong>V\u1eadt li\u1ec7u b\u1ecdt<\/strong>Tr\u1ed9n polystyrene m\u1edf r\u1ed9ng (EPS) v\u1edbi polymethyl methacrylate m\u1edf r\u1ed9ng (PMMA). \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m s\u1ef1 thu h\u00fat carbon trong th\u00e9p. M\u1ed9t h\u1ed7n h\u1ee3p ph\u1ed5 bi\u1ebfn l\u00e0 30% EPS v\u00e0 70% PMMA.<\/li>\n<li><strong>S\u01a1n<\/strong>S\u01a1n ch\u1ed1ng nhi\u1ec7t x\u1eed l\u00fd l\u00ean \u0111\u1ebfn 2.900 \u00b0 F (1.590 \u00b0 C). H\u1ecd gi\u1eef cho khu\u00f4n m\u1ea1nh m\u1ebd v\u00e0 b\u1ec1 m\u1eb7t \u0111\u1eb9p.<\/li>\n<li><strong>Th\u00f4ng s\u1ed1 \u0111\u1ed5<\/strong>Th\u00e9p c\u1ea7n t\u1ed1c \u0111\u1ed9 \u0111\u1ed5 ch\u00ednh x\u00e1c, kho\u1ea3ng 80-100 lbs.\/gi\u00e2y. N\u00f3 c\u0169ng c\u1ea7n nhi\u1ec7t \u0111\u1ed9 si\u00eau n\u00f3ng, \u00edt nh\u1ea5t 2.900 \u00b0 F, \u0111\u1ec3 tr\u00e1nh l\u1ed7i.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf Gating<\/strong>: C\u1ed5ng t\u1ed1t l\u00e0m cho d\u00f2ng ch\u1ea3y kim lo\u1ea1i \u0111\u1ec1u \u0111\u1eb7n. N\u00f3 ng\u0103n ch\u1eb7n khu\u00f4n v\u1ee1.<\/li>\n<\/ol>\n<h3><strong><b>S\u1ef1 \u0111\u1ed5i m\u1edbi<\/b><\/strong><\/h3>\n<p>Nh\u1eefng \u00fd t\u01b0\u1edfng m\u1edbi bao g\u1ed3m c\u00e1c polymer b\u1ecdt l\u1ea5y carbon khi ch\u00fang \u0111\u1ed1t ch\u00e1y. C\u00e1c l\u1edbp ph\u1ee7 t\u1ed1t h\u01a1n x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 cao. \u0110i\u1ec1u khi\u1ec3n c\u1ea3i thi\u1ec7n l\u00e0m cho qu\u00e1 tr\u00ecnh tr\u01a1n tru h\u01a1n.<\/p>\n<h2><strong><b>Th\u00e9p mangan cao v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a n\u00f3<\/b><\/strong><\/h2>\n<p>Th\u00e9p mangan cao, ho\u1eb7c th\u00e9p Hadfield, c\u00f3 12-14% mangan v\u00e0 kho\u1ea3ng 1,2% carbon. N\u00f3 tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n khi l\u00e0m vi\u1ec7c. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 si\u00eau c\u1ee9ng ch\u1ed1ng l\u1ea1i m\u00e0i m\u00f2n.<\/p>\n<h3><strong><b>T\u00ednh ch\u1ea5t ch\u00ednh th\u00e9p mangan cao<\/b><\/strong><\/h3>\n<ul>\n<li><strong>L\u00e0m vi\u1ec7c c\u1ee9ng<\/strong>Th\u00e9p tr\u1edf n\u00ean c\u1ee9ng h\u01a1n tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 trong khi s\u1eed d\u1ee5ng.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n<\/strong>N\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n t\u00e1c \u0111\u1ed9ng kho\u1ea3ng 43,5 J \/ cm\u00b2. N\u00f3 x\u1eed l\u00fd t\u1ed1t c\u00f4ng vi\u1ec7c n\u1eb7ng.<\/li>\n<li><strong>Kh\u00e1ng m\u1eb7c<\/strong>: Ho\u00e0n h\u1ea3o cho c\u00e1c n\u01a1i th\u00f4, m\u00e0i.<\/li>\n<li><strong>X\u1eed l\u00fd nhi\u1ec7t<\/strong>: S\u01b0\u1edfi \u1ea5m \u0111\u1ebfn ~ 1.000 \u00b0 C v\u00e0 l\u00e0m m\u00e1t nhanh \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t nh\u1ea5t.<\/li>\n<\/ul>\n<h3><strong><b>\u1ee8ng d\u1ee5ng th\u00e9p mangan cao<\/b><\/strong><\/h3>\n<p>Th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khai th\u00e1c m\u1ecf cho h\u00e0m m\u00e1y nghi\u1ec1n. \u0110\u00f3 l\u00e0 tr\u00ean \u0111\u01b0\u1eddng s\u1eaft cho \u0111\u01b0\u1eddng ray. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho x\u00f4 v\u00e0 trong m\u00e1y m\u00f3c l\u1edbn cho l\u01b0\u1ee1i xo\u1eafn \u1ed1c.<\/p>\n<h2><strong><b>Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho th\u00e9p mangan cao<\/b><\/strong><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-4412\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-Steel1.webp\" alt=\"Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho th\u00e9p mangan cao 1\" width=\"670\" height=\"583\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-Steel1.webp 670w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-Steel1-300x261.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-Steel1-14x12.webp 14w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-Steel1-600x522.webp 600w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/p>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t ho\u1ea1t \u0111\u1ed9ng tuy\u1ec7t v\u1eddi cho th\u00e9p mangan cao. N\u00f3 l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn m\u1ea1nh m\u1ebd v\u1edbi \u00edt c\u00f4ng vi\u1ec7c b\u1ed5 sung sau khi \u0111\u00fac.<\/p>\n<h3><strong><b>K\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3<\/b><\/strong><\/h3>\n<ol>\n<li><strong>L\u1ef1a ch\u1ecdn v\u1eadt ch\u1ea5t<\/strong>: \u0110\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p mangan cao l\u00e0 tuy\u1ec7t v\u1eddi cho c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 b\u00faa khai th\u00e1c m\u1ecf.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng b\u1ec1 m\u1eb7t<\/strong>L\u1edbp ph\u1ee7 v\u1edbi silicon carbide (SiC) ho\u1eb7c tungsten carbide (WC) bit t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/li>\n<li><strong>C\u1ea3i thi\u1ec7n khu\u1ebfch t\u00e1n<\/strong>Chromium gi\u00fap c\u00e1c bit SiC \/ WC d\u00ednh d\u00e1n v\u00e0o th\u00e9p t\u1ed1t h\u01a1n.<\/li>\n<li><strong>C\u00f4ng ngh\u1ec7 EPC ch\u00e2n kh\u00f4ng<\/strong>C\u1eaft bong b\u00f3ng kh\u00ed v\u00e0 l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn t\u1ed1t h\u01a1n.<\/li>\n<\/ol>\n<h3><strong><b>Ki\u1ec3m tra hi\u1ec7u su\u1ea5t<\/b><\/strong><\/h3>\n<p>C\u00e1c th\u1eed nghi\u1ec7m tr\u00ean l\u01b0\u1ee1i xo\u1eafn \u1ed1c cho th\u1ea5y:<\/p>\n<ul>\n<li>\u0110\u1ed9 c\u1ee9ng ma tr\u1eadn 28,6 HRC.<\/li>\n<li>\u0110\u1ed9 b\u1ec1n t\u00e1c \u0111\u1ed9ng 43,5 J \/ cm\u00b2.<\/li>\n<li>Kh\u00e1ng m\u00f2n t\u1eeb th\u1eed nghi\u1ec7m \u0111\u0129a pin (m\u1ea5t 0,236 g) v\u00e0 th\u1eed nghi\u1ec7m \u0103n m\u00f2n (m\u1ea5t 0,3761 g).<\/li>\n<\/ul>\n<h3><strong><b>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p<\/b><\/strong><\/h3>\n<p>M\u1ed9t th\u1eed nghi\u1ec7m tr\u00ean l\u01b0\u1ee1i xo\u1eafn \u1ed1c v\u1edbi c\u00e1c bit SiC \/ WC cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi. Ch\u00fang \u00edt c\u1ee9ng h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi th\u00e9p h\u1ee3p kim crom cao. Nh\u01b0ng h\u1ecd v\u1eabn l\u00e0m vi\u1ec7c r\u1ea5t t\u1ed1t.<\/p>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0m cho thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p cho th\u00e9p mangan cao. N\u00f3 c\u1eaft gi\u1ea3m nhu c\u1ea7u gia c\u00f4ng cho c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n nh\u01b0 khai th\u00e1c m\u1ecf ho\u1eb7c c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng.<\/p>\n<h2><strong><b>L\u1ee3i th\u1ebf v\u00e0 th\u00e1ch th\u1ee9c<\/b><\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch cho th\u00e9p mangan cao. N\u00f3 t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n m\u00e0 kh\u00f4ng c\u00f3 l\u00f5i ho\u1eb7c \u0111\u01b0\u1eddng chia. \u0110i\u1ec1u n\u00e0y tuy\u1ec7t v\u1eddi cho c\u00e1c thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p. N\u00f3 si\u00eau ch\u00ednh x\u00e1c, v\u1edbi dung sai ch\u1eb7t ch\u1ebd nh\u01b0 \u00b1 0,005 mm \/ mm. B\u1ec1 m\u1eb7t m\u1ecbn, t\u1eeb 2,5 \u0111\u1ebfn 25 \u03bcm RMS. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u00edt gia c\u00f4ng sau khi \u0111\u00fac.<\/p>\n<p>Qu\u00e1 tr\u00ecnh ti\u1ebft ki\u1ec7m ti\u1ec1n. N\u00f3 c\u00f3 c\u00e1c b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n. C\u00e1t l\u1ecfng l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng. N\u00f3 t\u1ed1t v\u1edbi m\u00f4i tr\u01b0\u1eddng. N\u00f3 l\u00e0m \u00edt ch\u1ea5t th\u1ea3i. Kh\u00f4ng c\u00f3 keo h\u00f3a h\u1ecdc c\u00f3 ngh\u0129a l\u00e0 \u00edt \u00f4 nhi\u1ec5m h\u01a1n.<\/p>\n<p>Nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 tr\u1edf ng\u1ea1i. B\u1ecdt c\u00f3 th\u1ec3 th\u00eam carbon v\u00e0o th\u00e9p mangan cao. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a n\u00f3. \u0110\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y, s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p EPS v\u00e0 PMMA. M\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c l\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed5 th\u00e9p cao, l\u00ean \u0111\u1ebfn 2.900 \u00b0 F (1.590 \u00b0 C). \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 khu\u00f4n ho\u1eb7c g\u00e2y t\u00edch t\u1ee5 kh\u00ed n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch.<\/p>\n<p>L\u1edbp ph\u1ee7 l\u00e0 si\u00eau quan tr\u1ecdng. Ch\u00fang c\u1ea7n \u0111\u1ec3 kh\u00ed tho\u00e1t nh\u01b0ng c\u0169ng x\u1eed l\u00fd nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u1eef cho khu\u00f4n \u1ed5n \u0111\u1ecbnh v\u00e0 ng\u0103n ch\u1eb7n l\u1ed7i. C\u00e1c m\u1eabu b\u1ecdt c\u00f3 th\u1ec3 chi ph\u00ed r\u1ea5t nhi\u1ec1u cho c\u00e1c l\u00f4 nh\u1ecf. Nh\u01b0ng c\u00f4ng ngh\u1ec7 in 3D m\u1edbi c\u00f3 th\u1ec3 gi\u00fap \u0111i\u1ec1u n\u00e0y s\u1edbm.<\/p>\n<h2><strong><b>Ti\u1ec1m n\u0103ng t\u01b0\u01a1ng lai<\/b><\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 l\u1eddi h\u1ee9a l\u1edbn cho vi\u1ec7c l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p mangan cao. Nghi\u00ean c\u1ee9u \u0111ang l\u00e0m vi\u1ec7c \u0111\u1ec3 s\u1eeda ch\u1eefa gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3 v\u00e0 l\u00e0m cho n\u00f3 th\u1eadm ch\u00ed t\u1ed1t h\u01a1n.<\/p>\n<p>M\u1ed9t \u00fd t\u01b0\u1edfng l\u00e0 m\u1eabu b\u1ecdt in 3D. \u0110i\u1ec1u n\u00e0y b\u1ecf qua chi ph\u00ed s\u1ea3n xu\u1ea5t khu\u00f4n. N\u00f3 tuy\u1ec7t v\u1eddi cho c\u00e1c batch nh\u1ecf. N\u00f3 c\u0169ng t\u0103ng t\u1ed1c thay \u0111\u1ed5i thi\u1ebft k\u1ebf v\u00e0 c\u1eaft gi\u1ea3m th\u1eddi gian.<\/p>\n<p>C\u00e1c l\u1edbp ph\u1ee7 t\u1ed1t h\u01a1n c\u0169ng \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. H\u1ecd mu\u1ed1n l\u1edbp ph\u1ee7 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 n\u00f3ng h\u01a1n v\u00e0 qu\u1ea3n l\u00fd kh\u00ed t\u1ed1t h\u01a1n. \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn m\u1ea1nh m\u1ebd h\u01a1n. N\u00f3 c\u0169ng s\u1ebd gi\u1ea3m thi\u1ebfu s\u00f3t.<\/p>\n<p>C\u00e1c v\u1eadt li\u1ec7u b\u1ecdt m\u1edbi \u0111ang trong c\u00f4ng vi\u1ec7c. Ch\u00fang s\u1ebd c\u00f3 \u00edt carbon h\u01a1n khi b\u1ecb \u0111\u1ed1t ch\u00e1y. \u0110\u00e2y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 duy tr\u00ec c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u1ed1t c\u1ee7a th\u00e9p mangan cao. B\u1ecdt m\u1edbi c\u00f3 th\u1ec3 l\u1ea5y carbon trong khi \u0111\u1ed1t \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n<p>K\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n l\u00e0 m\u1ed9t chi\u1ebfn th\u1eafng kh\u00e1c. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 c\u1eaft bao g\u1ed3m v\u00e0 tinh ch\u1ebf h\u1ea1t c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee9ng h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap th\u00e9p mangan cao v\u00e0 c\u00e1c th\u00e9p kh\u00e1c.<\/p>\n<h2><strong><b>M\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t t\u1eeb Hangzhou Ouchen Technology Co., LTD<\/b><\/strong><strong><b><br \/>\n<\/b><\/strong><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-4411\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-3Steel.webp\" alt=\"Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho Mangan 3Steel cao\" width=\"800\" height=\"500\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-3Steel.webp 800w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-3Steel-300x188.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-3Steel-768x480.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-3Steel-18x12.webp 18w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/07\/Lost-Foam-Casting-Process-for-High-Manganese-3Steel-600x375.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><a href=\"https:\/\/www.oc-epc.com\/vi\/\"><strong><u><b>C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen<\/b><\/u><\/strong><\/a>\u00a0l\u00e0m cho tuy\u1ec7t v\u1eddi<a href=\"https:\/\/www.oc-epc.com\/vi\/cac-san-pham\/\"><strong><u><b>\u00a0m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/b><\/u><\/strong><\/a>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec h\u1ecd cung c\u1ea5p:<\/p>\n<h3><strong><b>Ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/b><\/strong><strong><b>\u00a0Prefoaming<\/b><\/strong><strong><b>\u00a0M\u00e1y<\/b><\/strong><\/h3>\n<p>C\u00e1i n\u00e0y<a href=\"https:\/\/www.oc-epc.com\/vi\/danh-muc-san-pham\/may-tao-bot-truoc\/\"><strong><u><b>\u00a0tr\u01b0\u1edbc<\/b><\/u><\/strong><strong><u><b>&#8211;<\/b><\/u><\/strong><strong><u><b>b\u1ecdt<\/b><\/u><\/strong><strong><u><b>\u00a0<\/b><\/u><\/strong><strong><u><b>m<\/b><\/u><\/strong><strong><u><b>achine <\/b><\/u><\/strong><\/a>chu\u1ea9n b\u1ecb EPS ho\u1eb7c h\u1ed7n h\u1ee3p b\u1ecdt \u0111\u1ec3 \u0111\u00fac. N\u00f3 \u0111\u1ea3m b\u1ea3o h\u1ea1t l\u00e0 ngang b\u1eb1ng. N\u00f3 d\u1eebng clumping. N\u00f3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111\u00fac kh\u00f3 kh\u0103n.<\/p>\n<ul>\n<li><strong>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/strong>:<\/li>\n<\/ul>\n<ul>\n<li>Ki\u1ec3m so\u00e1t m\u00e1y t\u00ednh v\u1edbi c\u00e0i \u0111\u1eb7t ti\u1ebft ki\u1ec7m.<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa \u0111\u1ec3 n\u00e2ng c\u1ea5p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n<li>thu th\u1eadp ch\u1ea5t th\u1ea3i t\u1ed1t.<\/li>\n<li>Tr\u1ecdng l\u01b0\u1ee3ng b\u1ecdt \u0111\u1ec3 t\u1ea1o b\u1ecdt ch\u00ednh x\u00e1c.<\/li>\n<li>C\u00f3 an to\u00e0n nh\u01b0 b\u1ea3o v\u1ec7 r\u00f2 r\u1ec9 v\u00e0 l\u00e0m m\u00e1t kh\u1ea9n c\u1ea5p.<\/li>\n<\/ul>\n<h3><strong><b>M\u00e1y t\u1ea1o h\u00ecnh th\u1ee7y l\u1ef1c ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/b><\/strong><\/h3>\n<p>M\u00e1y \u00e9p \u0111\u00fac b\u1ecdt d\u1ecdc n\u00e0y cung c\u1ea5p ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd. N\u00f3 s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a PLC \u0111\u1ec3 l\u00e0m vi\u1ec7c d\u1ec5 d\u00e0ng.<\/p>\n<ul>\n<li><strong>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/strong>:<\/li>\n<\/ul>\n<ul>\n<li>Thi\u1ebft k\u1ebf d\u1ecdc v\u1edbi \u0111\u1ea9y th\u1ee7y l\u1ef1c.<\/li>\n<li>T\u00f9y ch\u1ecdn n\u00e2ng c\u1ea5p t\u1eeb xa.<\/li>\n<li>L\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc ch\u00e2n kh\u00f4ng v\u00e0 s\u01b0\u01a1ng m\u00f9.<\/li>\n<li>B\u1ec3 xung cho th\u1eadm ch\u00ed h\u1ea1t lan r\u1ed9ng.<\/li>\n<li>X\u00e2y d\u1ef1ng m\u1ea1nh m\u1ebd v\u1edbi t\u1ea5m th\u00e9p Q235.<\/li>\n<\/ul>\n<h3><strong><b>H\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m<\/b><\/strong><\/h3>\n<p>H\u1ec7 th\u1ed1ng n\u00e0y t\u0103ng c\u01b0\u1eddng l\u00e0m m\u00e1t ch\u00e2n kh\u00f4ng. N\u00f3 gi\u1eef ch\u00e2n kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong khi l\u00e0m vi\u1ec7c.<\/p>\n<ul>\n<li><strong>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/strong>:<\/li>\n<\/ul>\n<ul>\n<li>\u0110i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng PLC v\u1edbi kh\u1edfi \u0111\u1ed9ng \/ d\u1eebng th\u00f4ng minh.<\/li>\n<li>L\u00e0m m\u00e1t v\u00f2ng k\u00edn.<\/li>\n<li>C\u1ed1ng tho\u00e1t t\u1ed1t \u0111\u1ec3 gi\u1eef khu\u00f4n kh\u00f4.<\/li>\n<li>S\u1eed d\u1ee5ng m\u00e1y b\u01a1m ch\u00e2n kh\u00f4ng h\u00e0ng \u0111\u1ea7u v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p kh\u00f4ng g\u1ec9.<\/li>\n<\/ul>\n<p>H\u1ecd c\u0169ng cung c\u1ea5p m\u00e1y t\u1ea5m b\u1ecdt, m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed, m\u00e1y tr\u1ed9n s\u01a1n v\u00e0 silo l\u01b0u tr\u1eef. Ch\u00fang gi\u1ea3i quy\u1ebft nhu c\u1ea7u quy m\u00f4 l\u1edbn.<a href=\"https:\/\/www.oc-epc.com\/vi\/lien-he\/\"><strong><u><b>\u00a0Li\u00ean h\u1ec7 v\u1edbi h\u1ecd<\/b><\/u><\/strong><\/a>\u00a0t\u1ea1i 86 15988479417, email <a href=\"mailto:zyh@oc-epc.com\"><u>zyh@oc-epc.com<\/u><\/a>ho\u1eb7c gh\u00e9 th\u0103m <a href=\"https:\/\/www.oc-epc.com\/vi\/\"><u>https:\/\/www.oc-epc.com\/<\/u><\/a>\u00a0\u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft b\u1ecb \u0111\u00fac nh\u00f4m b\u1ecdt b\u1ecb m\u1ea5t h\u00e0ng \u0111\u1ea7u. T\u1ea5t c\u1ea3 c\u00e1c m\u00e1y \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c quy t\u1eafc nghi\u00eam ng\u1eb7t nh\u01b0 GB 50277-1998 v\u00e0 GB \/ T19769-2005. Ch\u00fang \u0111\u00e1ng tin c\u1eady cho c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng.<\/p>\n<h2><strong><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><\/h2>\n<p><strong>Q1: \u0110i\u1ec1u g\u00ec l\u00e0m cho Lost Foam Casting ph\u00f9 h\u1ee3p v\u1edbi th\u00e9p mangan cao?<\/strong><br \/>\nN\u00f3 t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p v\u1edbi b\u1ec1 m\u1eb7t m\u1ecbn. N\u00f3 tuy\u1ec7t v\u1eddi cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee9ng nh\u01b0 b\u00faa khai th\u00e1c m\u1ecf ho\u1eb7c l\u01b0\u1ee1i xo\u1eafn \u1ed1c. N\u00f3 c\u1eaft gi\u1ea3m nhu c\u1ea7u gia c\u00f4ng b\u1ed5 sung.<\/p>\n<p><strong>Q2: Vi\u1ec7c thu th\u1eadp carbon \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t th\u00e9p nh\u01b0 th\u1ebf n\u00e0o?<\/strong><br \/>\nQu\u00e1 nhi\u1ec1u carbon t\u1eeb b\u1ecdt c\u00f3 th\u1ec3 thay \u0111\u1ed5i trang \u0111i\u1ec3m c\u1ee7a th\u00e9p. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n th\u01b0\u01a1ng s\u1ee9c m\u1ea1nh c\u1ee7a n\u00f3. S\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p PMMA gi\u00fap gi\u1ea3m v\u1ea5n \u0111\u1ec1 n\u00e0y r\u1ea5t nhi\u1ec1u.<\/p>\n<p><strong>Q3: Nh\u1eefng l\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 g\u00ec?<\/strong><br \/>\nN\u00f3 s\u1eed d\u1ee5ng c\u00e1t l\u1ecfng l\u1ecfng c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng. N\u00f3 b\u1ecf qua keo h\u00f3a h\u1ecdc. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u00edt \u00f4 nhi\u1ec5m v\u00e0 ch\u1ea5t th\u1ea3i h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u0169.<\/p>\n<p><strong>Q4: Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 x\u1eed l\u00fd kim lo\u1ea1i nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng?<\/strong><br \/>\nV\u00e2ng, nh\u01b0ng n\u00f3 c\u1ea7n l\u1edbp ph\u1ee7 ch\u1ed1ng nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t. Ch\u00fang x\u1eed l\u00fd l\u00ean \u0111\u1ebfn 2.900 \u00b0 F (1.590 \u00b0 C). Ki\u1ec3m so\u00e1t t\u1ed1t l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 tr\u00e1nh c\u00e1c l\u1ed7i nh\u01b0 v\u1ee1 khu\u00f4n ho\u1eb7c t\u00edch t\u1ee5 kh\u00ed.<\/p>\n<p><strong>Q5: Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0o ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i trong c\u00f4ng ngh\u1ec7 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/strong><br \/>\nT\u00ecm ki\u1ebfm in 3D cho c\u00e1c m\u1eabu, l\u1edbp ph\u1ee7 t\u1ed1t h\u01a1n cho nhi\u1ec7t, b\u1ecdt m\u1edbi c\u00f3 \u00edt carbon h\u01a1n v\u00e0 c\u00e1ch l\u00e0m cho k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n cho c\u00e1c b\u1ed9 ph\u1eadn m\u1ea1nh h\u01a1n.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to the Lost Foam Casting Process Lost foam casting\u00a0is a cool, new way to make tricky metal parts. It\u2019s also called full mold casting or evaporative-pattern casting. This method uses a foam pattern made of polystyrene. The foam stays in the mold when hot metal is poured. The foam turns to gas when the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[160,161],"tags":[],"class_list":["post-4409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news-blog"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/comments?post=4409"}],"version-history":[{"count":3,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4409\/revisions"}],"predecessor-version":[{"id":4417,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4409\/revisions\/4417"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4412"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4409"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}