{"id":4780,"date":"2026-01-08T11:50:07","date_gmt":"2026-01-08T03:50:07","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4780"},"modified":"2026-01-05T15:25:08","modified_gmt":"2026-01-05T07:25:08","slug":"faqs-ve-duc-bot-bi-mat","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/faqs-about-lost-foam-casting\/","title":{"rendered":"C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t"},"content":{"rendered":"<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/cac-san-pham\/\"><strong>M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac m\u1eabu bay h\u01a1i (EPC) ho\u1eb7c \u0111\u00fac khu\u00f4n \u0111\u1ea7y \u0111\u1ee7, x\u1ebfp h\u1ea1ng trong s\u1ed1 c\u00e1c c\u00e1ch s\u00e1ng t\u1ea1o v\u00e0 linh ho\u1ea1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh kim lo\u1ea1i trong ng\u00e0y nay &#8217; th\u1ebf gi\u1edbi s\u1ea3n xu\u1ea5t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb b\u1ecdt polystyrene c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng (EPS). Nh\u1eefng m\u1eabu n\u00e0y bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n khi kim lo\u1ea1i n\u00f3ng ch\u1ea1m v\u00e0o ch\u00fang. Sau \u0111\u00f3 kim lo\u1ea1i c\u00f3 h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c c\u1ee7a h\u1ecd v\u1edbi chi ti\u1ebft r\u1ea5t t\u1ed1t. Nhi\u1ec1u nh\u00e0 m\u00e1y \u0111\u00fac b\u00e2y gi\u1edd ch\u1ecdn \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c thi\u1ebft k\u1ebf kh\u00f3 kh\u0103n, c\u1eaft gi\u1ea3m v\u1eadt li\u1ec7u l\u00e3ng ph\u00ed v\u00e0 b\u1ecf qua r\u1ea5t nhi\u1ec1u c\u00f4ng vi\u1ec7c gia c\u00f4ng b\u1ed5 sung. N\u00f3 k\u1ebft h\u1ee3p c\u00e1c \u00fd t\u01b0\u1edfng \u0111\u00fac c\u00e1t c\u0169 v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p bay h\u01a1i hi\u1ec7n \u0111\u1ea1i. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n, k\u00edch th\u01b0\u1edbc g\u1ea7n h\u01a1n v\u00e0 t\u1ef1 do h\u01a1n trong thi\u1ebft k\u1ebf so v\u1edbi nhi\u1ec1u k\u1ef9 thu\u1eadt c\u0169 c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/01\/EPC-Lost-Foam-Casting-equipment-manufacturer.webp\" alt=\"Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt EPC Lost\" \/><\/div>\n<h2 id=\"what-is-lost-foam-casting\"><strong>Nh\u1eefng g\u00ec b\u1ecb m\u1ea5t b\u1ecdt \u0111\u00fac?<\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c t\u1ea1o ra m\u1ed9t m\u1eabu b\u1ecdt ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi ph\u1ea7n kim lo\u1ea1i cu\u1ed1i c\u00f9ng. C\u00e1c nh\u00e0 m\u00e1y th\u01b0\u1eddng \u0111\u1ecbnh h\u00ecnh c\u00e1c m\u1eabu n\u00e0y t\u1eeb b\u1ecdt EPS d\u00e0y \u0111\u1eb7c v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 \u0111\u00fac \u0111\u1eb7c bi\u1ec7t. Sau khi \u0111\u1ecbnh h\u00ecnh, c\u00f4ng nh\u00e2n \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp g\u1ed1m m\u1ecfng nh\u01b0ng m\u1ea1nh m\u1ebd tr\u00ean b\u1ecdt. Ti\u1ebfp theo, h\u1ecd \u0111\u1eb7t m\u1eabu ph\u1ee7 trong c\u00e1t kh\u00f4 l\u1ecfng l\u1ecfng b\u00ean trong m\u1ed9t b\u00ecnh \u0111\u00fac. H\u1ecd s\u1eed d\u1ee5ng rung \u0111\u1ec3 \u0111\u00f3ng g\u00f3i c\u00e1t v\u1eefng ch\u1eafc xung quanh m\u00f4 h\u00ecnh \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1t.<\/p>\n<p>Khi \u0111\u1ed5 b\u1eaft \u0111\u1ea7u, kim lo\u1ea1i n\u00f3ng ch\u1ea3y v\u00e0o v\u00e0 bi\u1ebfn b\u1ecdt th\u00e0nh h\u01a1i ngay l\u1eadp t\u1ee9c. C\u00e1c kh\u00ed tr\u01b0\u1ee3t ra qua l\u1edbp ph\u1ee7 th\u1ea5m v\u00e0 c\u00e1t. \u0110\u1ed3ng th\u1eddi, kim lo\u1ea1i l\u1ea5p \u0111\u1ea7y kh\u00f4ng gian tr\u1ed1ng c\u00f2n l\u1ea1i b\u1edfi b\u1ecdt. M\u1ed9t khi kim lo\u1ea1i l\u00e0m m\u00e1t v\u00e0 c\u1ee9ng, c\u00f4ng nh\u00e2n l\u1ea5y \u0111\u00fac ra kh\u1ecfi c\u00e1t. C\u00e1t c\u00f3 th\u1ec3 tr\u1edf l\u1ea1i \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u1edbi h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 ch\u1ea5t th\u1ea3i. Qu\u00e1 tr\u00ecnh m\u1ed9t b\u01b0\u1edbc n\u00e0y thay th\u1ebf tr\u1ef1c ti\u1ebfp m\u00f4 h\u00ecnh. N\u00f3 lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft cho l\u00f5i, g\u00f3c d\u1ef1 th\u1ea3o v\u00e0 c\u00e1c \u0111\u01b0\u1eddng chia m\u00e0 c\u00e1c c\u00e1ch \u0111\u00fac kh\u00e1c th\u01b0\u1eddng y\u00eau c\u1ea7u.<\/p>\n<p>\u00dd t\u01b0\u1edfng n\u00e0y b\u1eaft \u0111\u1ea7u v\u00e0o gi\u1eefa th\u1ebf k\u1ef7 20. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng n\u0103m 1980, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u00f4 t\u00f4 v\u00e0 thi\u1ebft b\u1ecb n\u1eb7ng. H\u00f4m nay&#8217; C\u00e1c phi\u00ean b\u1ea3n c\u1ee7a S t\u1eadp trung v\u00e0o t\u1ef1 \u0111\u1ed9ng h\u00f3a, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 ki\u1ec3m tra quy tr\u00ecnh ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c quy t\u1eafc ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n<h2 id=\"what-are-the-steps-of-lost-foam-casting\"><strong>C\u00e1c b\u01b0\u1edbc c\u1ee7a Lost Foam Casting l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc li\u00ean k\u1ebft. M\u1ed7i m\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng cho k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1t:<\/p>\n<ol type=\"1\">\n<li>S\u1ea3n xu\u1ea5t m\u1eabu x\u1ea3y ra v\u1edbi m\u00e1y \u00e9p b\u1ecdt EPS. Nh\u1eefng h\u1ea1t th\u00f4 h\u00ecnh th\u00e0nh c\u00e1c m\u1eabu ch\u00ednh x\u00e1c v\u00e0 h\u1ec7 th\u1ed1ng c\u1eeda.<\/li>\n<li>L\u1eafp r\u00e1p \u0111\u1eb7t c\u00e1c m\u1eabu ri\u00eang bi\u1ec7t c\u00f9ng v\u1edbi c\u00e1c ng\u01b0\u1eddi ch\u1ea1y v\u00e0 sprues. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c c\u1ee5m ho\u1eb7c nh\u00f3m \u0111\u1ea7y \u0111\u1ee7 cho c\u00f4ng vi\u1ec7c l\u00f4.<\/li>\n<li>\u1ee8ng d\u1ee5ng l\u1edbp ph\u1ee7 nh\u00fang ho\u1eb7c ch\u1ea3i c\u1ee5m trong b\u00f9n ch\u1ed1ng ch\u00e1y \u0111\u1eb7c bi\u1ec7t. N\u00f3 t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 th\u1eadm ch\u00ed.<\/li>\n<li>S\u1ea5y l\u00e0m c\u1ee9ng l\u1edbp ph\u1ee7. M\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t gi\u00fap tr\u00e1nh c\u00e1c v\u1ebft n\u1ee9t v\u00e0 gi\u1eef \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng nh\u1ea5t.<\/li>\n<li>\u0110i\u1ec1n b\u00ecnh \u0111\u1eb7t c\u1ee5m kh\u00f4 v\u00e0o m\u1ed9t ch\u1ee9a c\u00e1t. Sau \u0111\u00f3 c\u00e1t kh\u00f4, kh\u00f4ng li\u00ean k\u1ebft \u0111i v\u00e0o.<\/li>\n<li>Compaction s\u1eed d\u1ee5ng c\u00e1c b\u1ea3ng rung \u0111\u1ec3 \u0111\u00f3ng g\u00f3i c\u00e1t ch\u1eb7t ch\u1ebd xung quanh m\u00f4 h\u00ecnh. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ea7n thi\u1ebft trong qu\u00e1 tr\u00ecnh \u0111\u1ed5.<\/li>\n<li>\u0110\u1ed5 th\u00eam kim lo\u1ea1i n\u00f3ng ch\u1ea3y. N\u00f3 l\u00e0m h\u01a1i b\u1ecdt v\u00e0 \u0111\u1ecbnh h\u00ecnh \u0111\u00fac trong m\u1ed9t d\u00f2ng ch\u1ea3y m\u01b0\u1ee3t m\u00e0.<\/li>\n<li>Shakeout, l\u00e0m s\u1ea1ch v\u00e0 ph\u1ee5c h\u1ed3i c\u00e1t k\u1ebft th\u00fac chu k\u1ef3. Castings nh\u1eadn \u0111\u01b0\u1ee3c b\u1ea5t k\u1ef3 ch\u1ea1m v\u00e0o cu\u1ed1i c\u00f9ng c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n<p>T\u1ef1 \u0111\u1ed9ng h\u00f3a r\u1ea5t quan tr\u1ecdng trong c\u00e1c nh\u00e0 m\u00e1y hi\u1ec7n \u0111\u1ea1i. H\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p qu\u1ea3n l\u00fd khu\u00f4n m\u1eabu, l\u1edbp ph\u1ee7, s\u1ea5y v\u00e0 chuy\u1ec3n \u0111\u1ed9ng v\u1eadt li\u1ec7u. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng s\u1ea3n l\u01b0\u1ee3ng v\u00e0 gi\u1eef m\u1ecdi th\u1ee9 nh\u1ea5t qu\u00e1n.<\/p>\n<h2 id=\"what-are-the-advantages-of-lost-foam-casting\"><strong>Nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a Lost Foam Casting l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u00e0ng so v\u1edbi c\u00e1t truy\u1ec1n th\u1ed1ng, \u0111\u1ea7u t\u01b0 ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac:<\/p>\n<ul>\n<li>T\u1ef1 do thi\u1ebft k\u1ebf tuy\u1ec7t v\u1eddi cho ph\u00e9p b\u1ea1n t\u1ea1o ra c\u00e1c k\u00eanh n\u1ed9i b\u1ed9 ph\u1ee9c t\u1ea1p, undercuts v\u00e0 t\u01b0\u1eddng m\u1ecfng. Kh\u00f4ng c\u1ea7n c\u00e1c b\u1ea3n th\u1ea3o ho\u1eb7c l\u00f5i.<\/li>\n<li>K\u1ebft qu\u1ea3 g\u1ea7n h\u00ecnh l\u01b0\u1edbi c\u1eaft gi\u1ea3m nhu c\u1ea7u gia c\u00f4ng, s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u v\u00e0 t\u1ed5ng chi ph\u00ed r\u1ea5t nhi\u1ec1u.<\/li>\n<li>Kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng chia ho\u1eb7c in l\u00f5i c\u00f3 ngh\u0129a l\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn h\u01a1n, \u00edt l\u1ed7i h\u01a1n v\u00e0 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc t\u1ed1t h\u01a1n.<\/li>\n<li>C\u00e1c thi\u1ebft l\u1eadp c\u1ee5m \u0111\u01a1n \u0111\u00fac nhi\u1ec1u ph\u1ea7n c\u00f9ng m\u1ed9t l\u00fac. \u0110i\u1ec1u n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a l\u1eafp r\u00e1p v\u00e0 gi\u1ea3m lao \u0111\u1ed9ng.<\/li>\n<li>S\u1ea3n xu\u1ea5t linh ho\u1ea1t ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c chuy\u1ebfn ch\u1ea1y th\u1ea5p \u0111\u1ebfn trung b\u00ecnh. T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u0169ng l\u00e0m cho c\u00f4ng vi\u1ec7c kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn kinh t\u1ebf.<\/li>\n<li>Khu\u00f4n EPS k\u00e9o d\u00e0i h\u01a1n khu\u00f4n v\u0129nh vi\u1ec5n trong c\u00e1c quy tr\u00ecnh kh\u00e1c.<\/li>\n<li>Kh\u00f4ng c\u00f3 c\u00e1c b\u01b0\u1edbc l\u00e0m c\u1ed1t l\u00f5i v\u00e0 \u00edt th\u1eddi gian \u0111\u00f3ng g\u00f3i t\u0103ng hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3.<\/li>\n<li>Nhi\u1ec1u thi\u1ebft l\u1eadp s\u1eed d\u1ee5ng \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n nh\u1edd c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 c\u00e1t c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/li>\n<li>L\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng \u0111\u1ebfn t\u1eeb ch\u1ea5t th\u1ea3i th\u1ea5p h\u01a1n, kh\u00f4ng c\u00f3 ch\u1ea5t li\u00ean k\u1ebft h\u00f3a h\u1ecdc trong c\u00e1t v\u00e0 kh\u00ed th\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n<\/ul>\n<p>C\u00e1c t\u00ednh n\u0103ng n\u00e0y l\u00e0m cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c c\u00f4ng ty tu\u00e2n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u1ea1p v\u00e0 c\u1ea7n c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 gi\u00e1 tr\u1ecb cao.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/01\/EPC-Lost-Foam-Casting-equipment-supplier-factory-price.webp\" alt=\"EPC m\u1ea5t b\u1ecdt \u0111\u00fac thi\u1ebft b\u1ecb nh\u00e0 cung c\u1ea5p gi\u00e1 nh\u00e0 m\u00e1y\" \/><\/div>\n<h2 id=\"what-metals-and-alloys-can-be-cast-by-lost-foam-casting-process\"><strong>Kim lo\u1ea1i v\u00e0 h\u1ee3p kim n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00fac b\u1eb1ng quy tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/strong><\/h2>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y ho\u1ea1t \u0111\u1ed9ng v\u1edbi nhi\u1ec1u v\u1eadt li\u1ec7u. N\u00f3 x\u1eed l\u00fd c\u1ea3 h\u1ee3p kim s\u1eaft v\u00e0 kh\u00f4ng s\u1eaft t\u1ed1t:<\/p>\n<ul>\n<li>S\u1eaft \u0111\u00fac m\u00e0u x\u00e1m v\u00e0 s\u1eaft \u0111\u00fac c\u00f3 t\u00ednh ductile (nodular) s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n.<\/li>\n<li>Th\u00e9p carbon \u1edf c\u00e1c lo\u1ea1i th\u1ea5p, trung b\u00ecnh v\u00e0 cao ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c k\u1ef9 thu\u1eadt chung.<\/li>\n<li>Th\u00e9p h\u1ee3p kim, t\u1eeb h\u1ee3p kim th\u1ea5p \u0111\u1ebfn h\u1ee3p kim cao v\u00e0 c\u00e1c l\u1edbp \u0111\u1eb7c bi\u1ec7t, c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/li>\n<li>Nh\u00f4m v\u00e0 h\u1ee3p kim d\u1ef1a tr\u00ean nh\u00f4m l\u00e0m vi\u1ec7c cho c\u00e1c th\u00e0nh ph\u1ea7n nh\u1eb9, ch\u1ed1ng g\u1ec9.<\/li>\n<li>\u0110\u1ed3ng, \u0111\u1ed3ng v\u00e0 c\u00e1c h\u1ee3p kim \u0111\u1ed3ng kh\u00e1c ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u d\u1eabn \u0111i\u1ec7n ho\u1eb7c tr\u00f4ng.<\/li>\n<\/ul>\n<p>Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed5, \u0111\u1ed9 th\u1ea5m l\u1edbp ph\u1ee7 v\u00e0 m\u1eadt \u0111\u1ed9 m\u00f4 h\u00ecnh ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh c\u1ea9n th\u1eadn cho m\u1ed7i h\u1ee3p kim. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u1ea5p \u0111\u1ea7y t\u1ed1t v\u00e0 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 \u0111\u1ed9 x\u1ed1p kh\u00ed ho\u1eb7c ch\u1ea1y sai.<\/p>\n<h2 id=\"what-industries-are-lost-foam-castings-used-for\"><strong>C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c c\u1ea7n c\u00e1c b\u1ed9 ph\u1eadn chi ti\u1ebft, \u0111\u00e1ng tin c\u1eady:<\/p>\n<ul>\n<li>M\u00e1y m\u00f3c n\u1eb7ng v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p cho c\u00e1c m\u1ea3nh c\u1ea5u tr\u00fac m\u1ea1nh m\u1ebd.<\/li>\n<li>L\u0129nh v\u1ef1c \u00f4 t\u00f4 cho c\u00e1c kh\u1ed1i \u0111\u1ed9ng c\u01a1, \u0111\u1ea7u xi lanh, tr\u01b0\u1eddng h\u1ee3p truy\u1ec1n t\u1ea3i v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n treo.<\/li>\n<li>M\u00e1y b\u01a1m v\u00e0 van l\u00e0m \u0111\u00f2i h\u1ecfi \u0111\u01b0\u1eddng d\u1eabn b\u00ean trong ch\u00ednh x\u00e1c v\u00e0 ni\u00eam phong \u00e1p su\u1ea5t ch\u1eb7t ch\u1ebd.<\/li>\n<li>M\u00e1y n\u00f4ng nghi\u1ec7p nh\u01b0 b\u1ed9 ph\u1eadn m\u00e1y k\u00e9o v\u00e0 khung th\u1ef1c hi\u1ec7n.<\/li>\n<li>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 qu\u1ed1c ph\u00f2ng cho m\u1ed9t s\u1ed1 v\u1eadt ph\u1ea9m c\u1ea5u tr\u00fac kh\u00f4ng quan tr\u1ecdng v\u1edbi h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ecfa s\u00e1ng v\u1edbi t\u01b0\u1eddng d\u00e0y, c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn ho\u1eb7c nh\u1eefng b\u1ed9 ph\u1eadn c\u00f3 t\u00ednh n\u0103ng t\u00edch h\u1ee3p. N\u1ebfu kh\u00f4ng, ch\u00fang s\u1ebd c\u1ea7n nhi\u1ec1u b\u01b0\u1edbc ho\u1eb7c l\u1eafp r\u00e1p.<\/p>\n<h2 id=\"what-casting-tolerances-can-be-reached-by-lost-foam-casting-process\"><strong>Nh\u1eefng khoan dung \u0111\u00fac n\u00e0o c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/strong><\/h2>\n<p>\u0110\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t th\u01b0\u1eddng \u0111\u00e1nh b\u1ea1i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00e1t xanh th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00f4 h\u00ecnh, t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a l\u1edbp ph\u1ee7, n\u00e9n c\u00e1t v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kim lo\u1ea1i \u0111\u1ec1u \u0111\u00f3ng m\u1ed9t vai tr\u00f2. M\u1ee9c dung n\u1ea1p \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<ul>\n<li>Kh\u00e1ng dung \u0111\u00fac chi\u1ec1u (DCT) c\u1ea5p t\u1eeb CT9 \u0111\u1ebfn CT13 cho h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng vi\u1ec7c c\u00f4ng nghi\u1ec7p.<\/li>\n<li>L\u1edbp dung sai \u0111\u00fac chung (GCT) \u0111\u1ea1t CT5 \u0111\u1ebfn CT8 trong c\u00e1c thi\u1ebft l\u1eadp t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t.<\/li>\n<\/ul>\n<p>Kh\u1ea3 n\u0103ng ch\u1eb7t ch\u1ebd h\u01a1n c\u00f3 th\u1ec3 v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 khu\u00f4n m\u1eabu ti\u00ean ti\u1ebfn, ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 c\u1ea9n th\u1eadn v\u00e0 theo d\u00f5i quy tr\u00ecnh th\u00f4ng minh. Khoan dung tuy\u1ebfn t\u00ednh th\u01b0\u1eddng \u1edf trong ph\u1ea1m vi \u00b1 0,5 mm \u0111\u1ebfn \u00b1 2 mm d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed t\u00ednh n\u0103ng. Kh\u00e1ng dung g\u00f3c v\u00e0 \u0111\u1ed9 ph\u1eb3ng b\u1ec1 m\u1eb7t c\u1ea3i thi\u1ec7n nh\u1edd kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng chia. L\u00e0m vi\u1ec7c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb c\u00f3 tay ngh\u1ec1 gi\u00fap \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau khoan dung ch\u00ednh x\u00e1c.<\/p>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t ti\u1ebfp t\u1ee5c c\u1ea3i thi\u1ec7n th\u00f4ng qua t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u1ed1t h\u01a1n, v\u1eadt li\u1ec7u m\u1edbi v\u00e0 \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh. Nh\u1eefng thay \u0111\u1ed5i n\u00e0y gi\u00fap c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 nh\u1ea5t qu\u00e1n cao h\u01a1n, chu k\u1ef3 ng\u1eafn h\u01a1n, \u00edt l\u1ed7i h\u01a1n v\u00e0 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u1ed1t h\u01a1n. Khi s\u1ea3n xu\u1ea5t tr\u00ean to\u00e0n th\u1ebf gi\u1edbi t\u1eadp trung v\u00e0o t\u00ednh b\u1ec1n v\u1eefng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p m\u1ed9t l\u1ef1a ch\u1ecdn m\u1ea1nh m\u1ebd cho t\u01b0\u01a1ng lai.<\/p>\n<h2 id=\"about-oc-technology-leading-lost-foam-casting-equipment-manufacturer\"><strong>V\u1ec1 c\u00f4ng ngh\u1ec7 OC - Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t h\u00e0ng \u0111\u1ea7u<\/strong><\/h2>\n<p>L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t n\u1ed5i b\u1eadt v\u00e0 nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, OC Technology chuy\u00ean v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p khu v\u1ef1c tr\u1eafng th\u00f4ng minh cao c\u1ea5p. C\u00f4ng ty t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 EPS \/ EPP ti\u00ean ti\u1ebfn c\u1ee7a \u0110\u1ee9c v\u1edbi nhi\u1ec1u b\u1eb1ng s\u00e1ng ch\u1ebf \u0111\u1ed9c l\u1eadp, t\u1eadp trung v\u00e0o t\u1ef1 \u0111\u1ed9ng h\u00f3a, hi\u1ec7u qu\u1ea3 cao, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p. \u0110\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 m\u1ed9t doanh nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao qu\u1ed1c gia, m\u1ed9t doanh nghi\u1ec7p nh\u1ecf v\u00e0 v\u1eeba khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 \u1edf t\u1ec9nh Zhejiang v\u00e0 l\u00e0 \u0111\u1ed1i t\u00e1c ch\u00ednh c\u1ee7a Hi\u1ec7p h\u1ed9i C\u00f4ng nghi\u1ec7p B\u1ecdt b\u1ecb m\u1ea5t Trung Qu\u1ed1c, OC Technology \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t c\u01a1 s\u1edf nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n chuy\u00ean d\u1ee5ng cho thi\u1ebft b\u1ecb khu v\u1ef1c tr\u1eafng.<\/p>\n<p>Danh m\u1ee5c s\u1ea3n ph\u1ea9m bao g\u1ed3m <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/danh-muc-san-pham\/may-ep-bot\/\"><strong>m\u00e1y \u00e9p h\u00ecnh d\u1ea1ng EPS ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/strong><\/a>, m\u00e1y t\u1ea5m b\u1ecdt, m\u00e1y h\u00ecnh th\u00e0nh th\u1ee7y l\u1ef1c PLC ngang v\u00e0 d\u1ecdc, silo tr\u01b0\u1edfng th\u00e0nh v\u1edbi \u0111i\u1ec1u khi\u1ec3n c\u1ea3m bi\u1ebfn ch\u00ednh x\u00e1c, m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed kh\u00e1c nhau (c\u1ea5u h\u00ecnh trong nh\u00e0, g\u1eafn tr\u00ean, g\u1eafn sau), h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m c\u00f3 \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 thi\u1ebft k\u1ebf ch\u1ed1ng t\u0129nh \u0111i\u1ec7n, m\u00e1y tr\u1ed9n s\u01a1n lo\u1ea1i thang m\u00e1y v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ch\u00eca kh\u00f3a ho\u00e0n ch\u1ec9nh bao g\u1ed3m c\u1ea3 quy tr\u00ecnh khu v\u1ef1c tr\u1eafng v\u00e0 khu v\u1ef1c v\u00e0ng. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y h\u1ed7 tr\u1ee3 s\u1ea3n xu\u1ea5t m\u1eabu ch\u00ednh x\u00e1c cao, s\u1ea5y ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, v\u1eadn chuy\u1ec3n h\u1ea1t an to\u00e0n v\u00e0 l\u1eafp r\u00e1p c\u1ee5m t\u1ef1 \u0111\u1ed9ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00f2i h\u1ecfi.<\/p>\n<h2 id=\"elevate-lost-foam-casting-operations-with-a-proven-equipment-manufacturer-and-supplier\"><strong>N\u00e2ng cao c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh<\/strong><\/h2>\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, nh\u00e0 m\u00e1y \u0111\u00fac v\u00e0 nh\u00e0 cung c\u1ea5p t\u00ecm c\u00e1ch c\u1ea3i thi\u1ec7n \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 l\u1ee3i t\u1eeb vi\u1ec7c l\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t nh\u00e0 m\u00e1y v\u00e0 nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp nh\u01b0 OC Technology. C\u00f4ng ty cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p turnkey t\u00f9y ch\u1ec9nh, d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n v\u00e0 m\u00e1y m\u00f3c hi\u1ec7u su\u1ea5t cao \u0111\u00e1ng tin c\u1eady \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho \u0111\u1ed9 ch\u00ednh x\u00e1c, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/lien-he\/\"><strong>Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 c\u00f4ng ngh\u1ec7 OC<\/strong><\/a> \u0111\u1ec3 n\u00f3i v\u1ec1 nhu c\u1ea7u d\u1ef1 \u00e1n, ki\u1ec3m tra chi ti\u1ebft thi\u1ebft b\u1ecb v\u00e0 thi\u1ebft l\u1eadp c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t ti\u00ean ti\u1ebfn \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng. Ti\u1ebfp c\u1eadn th\u00f4ng qua trang web ho\u1eb7c c\u00e1c k\u00eanh h\u1ecfi tr\u1ef1c ti\u1ebfp \u0111\u1ec3 b\u1eaft \u0111\u1ea7u l\u00e0m vi\u1ec7c c\u00f9ng nhau v\u00e0 x\u00e2y d\u1ef1ng s\u1ee9c m\u1ea1nh s\u1ea3n xu\u1ea5t m\u1ea1nh m\u1ebd h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lost foam casting, often called evaporative pattern casting (EPC) or full mold casting, ranks among the most creative and flexible ways to shape metal in today&#8217;s manufacturing world. The method uses patterns made from expandable polystyrene (EPS) foam. These patterns vanish completely when hot metal touches them. Then the metal takes their exact shape with [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4776,"comment_status":"closed","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],"tags":[],"class_list":["post-4780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4780","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=4780"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4780\/revisions"}],"predecessor-version":[{"id":4781,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4780\/revisions\/4781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4776"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4780"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}