{"id":4925,"date":"2026-04-02T00:00:03","date_gmt":"2026-04-01T16:00:03","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4925"},"modified":"2026-04-02T12:08:53","modified_gmt":"2026-04-02T04:08:53","slug":"duc-nhom-giai-thich-tai-sao-duc-bot-bi-mat-dang-tro-nen-pho-bien","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/aluminum-casting-explained-why-lost-foam-casting-is-gaining-popularity\/","title":{"rendered":"\u0110\u00fac nh\u00f4m gi\u1ea3i th\u00edch t\u1ea1i sao \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t \u0111ang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"<p>Trong s\u1ea3n xu\u1ea5t hi\u1ec7n t\u1ea1i, \u0111\u00fac nh\u00f4m ti\u1ebfp t\u1ee5c thay \u0111\u1ed5i \u0111\u1ec3 l\u00e0m vi\u1ec7c g\u1ea7n g\u0169i t\u1ed1t h\u01a1n, chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 nhi\u1ec1u k\u1ebf ho\u1ea1ch u\u1ed1n cong h\u01a1n. Trong s\u1ed1 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p, <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/ve\/\"><strong>m\u1ea5t b\u1ecdt nh\u00f4m \u0111\u00fac<\/strong><\/a>- c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac b\u1ecdt nh\u00f4m b\u1ecb m\u1ea5t, \u0111\u00fac b\u1ecdt nh\u00f4m b\u1ecb m\u1ea5t, ho\u1eb7c \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u1ee7a h\u1ee3p kim nh\u00f4m - nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o nhanh ch\u00f3ng trong l\u0129nh v\u1ef1c. C\u00e1ch \u0111\u00fac m\u1edbi n\u00e0y k\u1ebft h\u1ee3p s\u1ef1 d\u1ec5 d\u00e0ng \u0111\u00fac c\u00e1t v\u1edbi vi\u1ec7c \u0111\u00f3ng \u0111\u00fac \u0111\u1ea7u t\u01b0. K\u1ebft qu\u1ea3 l\u00e0, n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t s\u1eeda ch\u1eefa \u0111\u01b0\u1ee3c ch\u1ecdn nhi\u1ec1u h\u01a1n cho c\u00e1c b\u1ed9 ph\u1eadn nh\u00f4m c\u1ee9ng trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-4930\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium.webp\" alt=\"M\u1ea5t b\u1ecdt \u0111\u00fac nh\u00f4m\" width=\"900\" height=\"900\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium.webp 900w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium-300x300.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium-150x150.webp 150w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium-768x768.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium-12x12.webp 12w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium-600x600.webp 600w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-Aluminium-100x100.webp 100w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2 id=\"what-is-lost-foam-aluminum-casting\"><strong>Lost Foam nh\u00f4m \u0111\u00fac l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>\u0110\u00fac nh\u00f4m b\u1ecdt b\u1ecb m\u1ea5t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac m\u1eabu kh\u00f4ng kh\u00ed. N\u00f3 s\u1eed d\u1ee5ng b\u1ecdt polystyrene m\u1edf r\u1ed9ng (EPS) \u0111\u1ec3 t\u1ea1o ra m\u1ed9t b\u1ea3n sao k\u00edch th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ph\u1ea7n cu\u1ed1i. M\u00f4 h\u00ecnh b\u1ecdt c\u00f3 m\u1ed9t b\u00eca c\u1ee7a v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y. Sau \u0111\u00f3, n\u00f3 \u0111i v\u00e0o c\u00e1t kh\u00f4. Ti\u1ebfp theo, nh\u00f4m n\u00f3ng l\u1ea5y v\u1ecb tr\u00ed c\u1ee7a n\u00f3 trong khi \u0111\u1ed5. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c c\u00e1ch \u0111\u00fac c\u0169, m\u00f4 h\u00ecnh b\u1ecdt kh\u00f4ng xu\u1ea5t hi\u1ec7n. Thay v\u00e0o \u0111\u00f3, n\u00f3 chuy\u1ec3n th\u00e0nh kh\u00ed khi nh\u00f4m n\u00f3ng \u0111i v\u00e0o khu\u00f4n. N\u00f3 \u0111\u1ec3 l\u1ea1i m\u1ed9t b\u1ea3n sao kim lo\u1ea1i g\u1ea7n g\u0169i. C\u00e1ch \"kh\u00f4ng lo\u1ea1i b\u1ecf m\u1eabu\" n\u00e0y c\u1eaft gi\u1ea3m nhi\u1ec1u gi\u1edbi h\u1ea1n trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac ti\u00eau chu\u1ea9n. V\u00ed d\u1ee5, n\u00f3 b\u1ecf qua nhu c\u1ea7u v\u1ec1 g\u00f3c d\u1ed1c, \u0111\u01b0\u1eddng chia v\u00e0 c\u00e1c \u0111i\u1ec3m c\u1ed1t l\u00f5i.<\/p>\n<h2 id=\"how-the-lost-foam-casting-process-works\"><strong>L\u00e0m th\u1ebf n\u00e0o Lost Foam Casting Process ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h2>\n<p>Ph\u01b0\u01a1ng ph\u00e1p h\u1ee3p kim nh\u00f4m \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t th\u01b0\u1eddng theo c\u00e1c b\u01b0\u1edbc r\u00f5 r\u00e0ng n\u00e0y:<\/p>\n<h3 id=\"foam-pattern-creation\"><strong>T\u1ea1o m\u1eabu b\u1ecdt<\/strong><\/h3>\n<p>M\u1ed9t d\u1ea1ng b\u1ecdt \u0111\u1ebfn t\u1eeb h\u1ea1t EPS. Ch\u00fang h\u00ecnh th\u00e0nh th\u00f4ng qua \u0111\u1ea9y v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 nh\u00f4m \u1ea5m \u00e1p ho\u1eb7c c\u1eaft CNC t\u1eeb c\u00e1c kh\u1ed1i b\u1ecdt \u0111\u1ec3 ki\u1ec3m tra. \u0110\u1ed1i v\u1edbi \u0111\u1ea7u ra l\u00f4 l\u1edbn, h\u1ea1t tr\u01b0\u1edbc kh\u00f4ng kh\u00ed \u0111i v\u00e0o v\u1edbi \u0111\u1ea9y th\u1ea5p. Steam gia nh\u1eadp v\u1edbi h\u1ecd. C\u00e1c h\u00ecnh th\u1ee9c ch\u1ee9a kho\u1ea3ng 97,5% kh\u00f4ng kh\u00ed v\u00e0 2,5% polystyrene. S\u1eb5n s\u00e0ng \u0111\u1ed5 b\u00e1t, ng\u01b0\u1eddi ch\u1ea1y, v\u00e0 risers th\u01b0\u1eddng d\u00ednh v\u1edbi keo n\u00f3ng v\u00e0o h\u00ecnh th\u1ee9c.<\/p>\n<h3 id=\"coating-application\"><strong>\u1ee8ng d\u1ee5ng l\u1edbp ph\u1ee7<\/strong><\/h3>\n<p>M\u00f4 h\u00ecnh b\u1ecdt nh\u00fang trong m\u1ed9t h\u1ed7n h\u1ee3p ch\u1ed1ng ch\u00e1y. N\u00f3 t\u1ea1o ra m\u1ed9t v\u1ecf m\u1ecfng, th\u00f4ng qua, gi\u1eef nhi\u1ec7t. V\u1ecf n\u1eafp d\u1eabn kh\u00ed ra trong th\u1eddi gian ngh\u1ec9 ng\u01a1i. \u0110\u1ed3ng th\u1eddi, n\u00f3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng khu\u00f4n m\u1eb7t. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m bao ph\u1ee7, nh\u01b0 th\u00f4ng qua v\u00e0 k\u00edch th\u01b0\u1edbc, quan tr\u1ecdng r\u1ea5t nhi\u1ec1u \u0111\u1ec3 d\u1eebng l\u1ed7i.<\/p>\n<h3 id=\"mold-preparation-and-embedding\"><strong>Chu\u1ea9n b\u1ecb khu\u00f4n v\u00e0 nh\u00fang<\/strong><\/h3>\n<p>M\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c bao ph\u1ee7 ng\u1ed3i trong m\u1ed9t h\u1ed9p. C\u00e1t kh\u00f4, l\u1ecfng l\u1ecfng \u0111i xung quanh n\u00f3. Shake \u0111\u00f3ng g\u00f3i c\u00e1t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p x\u00e2y d\u1ef1ng gi\u1eef v\u00e0 d\u1eebng r\u01a1i trong khi \u0111\u1ed5.<\/p>\n<h3 id=\"pouring-molten-aluminum\"><strong>\u0111\u1ed5 nh\u00f4m n\u00f3ng ch\u1ea3y<\/strong><\/h3>\n<p>Nh\u00f4m n\u00f3ng, th\u01b0\u1eddng \u1edf 650-780 \u00b0 C b\u1edfi h\u1ee3p kim, \u0111\u1ed5 v\u00e0o khu\u00f4n. B\u1ecdt bi\u1ebfn th\u00e0nh kh\u00ed ngay l\u1eadp t\u1ee9c. Kh\u00ed ph\u00e1 v\u1ee1 \u0111i ra qua v\u1ecf qua v\u00e0o c\u00e1t. Kim lo\u1ea1i l\u1ea5p \u0111\u1ea7y kh\u00f4ng gian t\u1eebng b\u01b0\u1edbc. N\u00f3 l\u1ea5y \u0111i\u1ec3m b\u1ecdt ch\u00ednh x\u00e1c.<\/p>\n<h3 id=\"solidification-and-shakeout\"><strong>X\u00e1c \u0111\u1ecbnh v\u00e0 Shakeout<\/strong><\/h3>\n<p>Sau khi \u0111\u1eb7t c\u1ee9ng, \u0111\u00fac \u0111\u1ebfn t\u1eeb c\u00e1t. C\u00e1t l\u1ea1i ho\u1ea1t \u0111\u1ed9ng. Ph\u1ea7n c\u00f3 h\u00ecnh d\u1ea1ng g\u1ea7n cu\u1ed1i c\u1ea7n \u00edt c\u00f4ng vi\u1ec7c cu\u1ed1i. \u0110i\u1ec1u n\u00e0y \u0111\u1ebfn t\u1eeb kh\u00f4ng c\u00f3 l\u00f5i ho\u1eb7c \u0111\u01b0\u1eddng chia.<\/p>\n<p>D\u00f2ng ch\u1ea3y \u0111\u01a1n gi\u1ea3n n\u00e0y c\u1eaft gi\u1ea3m nhi\u1ec1u b\u01b0\u1edbc nh\u01b0 x\u00e2y d\u1ef1ng l\u00f5i, gia nh\u1eadp khu\u00f4n m\u1eabu v\u00e0 k\u00e9o m\u1eabu. N\u00f3 t\u0103ng t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h2 id=\"why-aluminum-is-ideal-for-lost-foam-casting\"><strong>T\u1ea1i sao nh\u00f4m l\u00e0 l\u00fd t\u01b0\u1edfng cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n<p>H\u1ee3p kim nh\u00f4m ph\u00f9 h\u1ee3p v\u1edbi \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t r\u1ea5t t\u1ed1t. \u0110i\u1ec1u n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a h\u1ecd:<\/p>\n<ul>\n<li>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p (kho\u1ea3ng 660-750 \u00b0 C). N\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi thi\u1ebft l\u1eadp b\u1ecdt kh\u00ed quay m\u00e0 kh\u00f4ng c\u00f3 qu\u00e1 nhi\u1ec1u r\u1eafc r\u1ed1i kh\u00ed.<\/li>\n<li>Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 (m\u1eadt \u0111\u1ed9 ~ 2,7 g \/ cm\u00b3) nh\u01b0ng m\u1ea1nh m\u1ebd. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng c\u1ea7n gi\u1ea3m c\u00e2n.<\/li>\n<li>Ch\u1ed1ng r\u1ec9 t\u1ed1t cho th\u1eddi gian s\u1eed d\u1ee5ng d\u00e0i.<\/li>\n<li>D\u00f2ng ch\u1ea3y m\u1ecbn, cho ph\u00e9p l\u1ea5p \u0111\u1ea7y khu\u00f4n c\u1ee9ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn m\u1ecfng (xu\u1ed1ng \u0111\u1ebfn ~ 2,5 mm trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p).<\/li>\n<li>C\u00e1c h\u1ee3p kim ph\u1ed5 bi\u1ebfn bao g\u1ed3m A356 (Al-Si-Mg h\u1ea1 nhi\u1ec7t cho \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec7t), A319 (Al-Si-Cu cho hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9 cao) v\u00e0 A380 (cho c\u00e1c \u1ee9ng d\u1ee5ng chung m\u1ee5c \u0111\u00edch).<\/li>\n<\/ul>\n<p>Nh\u1eefng \u0111i\u1ec3m n\u00e0y cho ph\u00e9p \u0111\u00fac b\u1ecdt nh\u00f4m m\u1ea5t l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn r\u1ea5t t\u1ed1t, k\u00edch th\u01b0\u1edbc \u0111\u00fang. N\u00f3 l\u00e0m \u0111i\u1ec1u n\u00e0y v\u1edbi m\u1ed9t v\u00e0i l\u1ed7i khi c\u00e1c \u0111i\u1ec3m \u0111\u1eb7t ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang.<\/p>\n<h2 id=\"key-advantages-of-lost-foam-aluminum-casting\"><strong>L\u1ee3i th\u1ebf ch\u00ednh c\u1ee7a Lost Foam nh\u00f4m \u0111\u00fac<\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t cung c\u1ea5p l\u1ee3i \u00edch c\u00f4ng ngh\u1ec7 r\u00f5 r\u00e0ng cho s\u1ea3n l\u01b0\u1ee3ng nh\u00f4m:<\/p>\n<ol type=\"1\">\n<li>T\u1ef1 do thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t Cho ph\u00e9p h\u00ecnh h\u1ecdc c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p, c\u00e1c l\u1ed1i \u0111i b\u00ean trong, undercuts v\u00e0 \u0111\u1ed9 d\u00e0y t\u01b0\u1eddng \u0111\u1ed3ng nh\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 l\u00f5i ho\u1eb7c khu\u00f4n \u0111a ph\u1ea7n.<\/li>\n<li>Kh\u00e1ng dung \u0111\u1ed9 ch\u00ednh x\u00e1c chi\u1ec1u cao th\u01b0\u1eddng \u00b1 0,007 &#8243;  to \u00b10.010&#8243; m\u1ed7i inch, kh\u00f4ng c\u00f3 \u0111\u00e8n flash ho\u1eb7c \u0111\u01b0\u1eddng chia do m\u00f4 h\u00ecnh m\u1ed9t m\u1ea3nh.<\/li>\n<li>L\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y c\u00f3 b\u1ec1 m\u1eb7t m\u1ecbn (63-250 RMS), gi\u1ea3m ho\u1eb7c lo\u1ea1i b\u1ecf gia c\u00f4ng th\u1ee9 c\u1ea5p.<\/li>\n<li>Kh\u00f4ng c\u00f3 d\u00f2ng t\u00e1ch ho\u1eb7c Flash X\u00f3a b\u1ecf c\u00e1c khuy\u1ebft t\u1eadt li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u00e1ch khu\u00f4n.<\/li>\n<li>Gi\u1ea3m gia c\u00f4ng v\u00e0 lao \u0111\u1ed9ng S\u1ea3n xu\u1ea5t g\u1ea7n h\u00ecnh l\u01b0\u1edbi c\u1eaft gi\u1ea3m c\u00f4ng vi\u1ec7c ho\u00e0n th\u00e0nh, ch\u1ea5t th\u1ea3i v\u1eadt li\u1ec7u v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh.<\/li>\n<li>X\u00f3a b\u1ecf c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn l\u00f5i v\u00e0 c\u00e1c b\u01b0\u1edbc l\u1eafp r\u00e1p.<\/li>\n<li>Th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng C\u00e1t kh\u00f4 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, kh\u00f4ng c\u00f3 ch\u1ea5t k\u1ebft h\u1ee3p, s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n v\u00e0 gi\u1ea3m kh\u00ed th\u1ea3i so v\u1edbi m\u1ed9t s\u1ed1 l\u1ef1a ch\u1ecdn thay th\u1ebf.<\/li>\n<\/ol>\n<h2 id=\"comparison-with-other-aluminum-casting-methods\"><strong>So s\u00e1nh v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac nh\u00f4m kh\u00e1c<\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t \u0111\u1ee9ng t\u1ed1t ch\u1ed1ng l\u1ea1i c\u00e1c c\u00e1ch kh\u00e1c ph\u1ed5 bi\u1ebfn cho c\u00e1c b\u1ed9 ph\u1eadn nh\u00f4m:<\/p>\n<ul>\n<li>So v\u1edbi \u0111\u00fac c\u00e1t xanh l\u00e1 c\u00e2y: Cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc t\u1ed1t h\u01a1n, kh\u00f4ng c\u00f3 flash, kh\u00f4ng c\u00f3 l\u00f5i v\u00e0 b\u1ec1 m\u1eb7t v\u01b0\u1ee3t tr\u1ed9i, m\u1eb7c d\u00f9 \u0111\u00fac c\u00e1t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn r\u1ea5t l\u1edbn ho\u1eb7c kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p h\u01a1n.<\/li>\n<li>So v\u1edbi \u0111\u00fac khu\u00f4n v\u0129nh vi\u1ec5n: Cung c\u1ea5p s\u1ef1 ph\u1ee9c t\u1ea1p thi\u1ebft k\u1ebf l\u1edbn h\u01a1n v\u00e0 b\u1ea3n th\u1ea3o kh\u00f4ng, v\u1edbi dung sai t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng m\u00f2n c\u00f4ng c\u1ee5 th\u1ea5p h\u01a1n trong b\u1ecdt b\u1ecb m\u1ea5t cho c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/li>\n<li>So v\u1edbi \u0111\u00fac ch\u1ebft: \u0110\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb \u00e1p su\u1ea5t cao, m\u1eb7c d\u00f9 \u0111\u00fac ch\u1ebft n\u1ed5i b\u1eadt trong t\u01b0\u1eddng m\u1ecfng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng cao.<\/li>\n<li>So v\u1edbi \u0111\u00fac \u0111\u1ea7u t\u01b0: Chi ph\u00ed d\u1ee5ng c\u1ee5 th\u1ea5p h\u01a1n v\u00e0 th\u00edch h\u1ee3p cho c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn h\u01a1n, v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c t\u1ed1t nh\u01b0ng b\u1ec1 m\u1eb7t th\u00f4 h\u01a1n m\u1ed9t ch\u00fat.<\/li>\n<\/ul>\n<h2 id=\"applications-of-lost-foam-aluminum-casting\"><strong>\u1ee8ng d\u1ee5ng c\u1ee7a Lost Foam nh\u00f4m \u0111\u00fac<\/strong><\/h2>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u1ee7a h\u1ee3p kim nh\u00f4m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec u\u1ed1n cong v\u00e0 c\u00f4ng vi\u1ec7c g\u1ea7n g\u0169i c\u1ee7a n\u00f3. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi:<\/p>\n<ul>\n<li>C\u00f4ng nghi\u1ec7p \u00f4 t\u00f4: kh\u1ed1i \u0111\u1ed9ng c\u01a1, \u0111\u1ea7u xi lanh, v\u1ecf truy\u1ec1n t\u1ea3i, b\u1ed9 ph\u1eadn h\u00fat (\u0111\u1ea1t \u0111\u01b0\u1ee3c ti\u1ebft ki\u1ec7m tr\u1ecdng l\u01b0\u1ee3ng 15-20%).<\/li>\n<li>L\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5: c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac nh\u1eb9 v\u00e0 v\u1ecf.<\/li>\n<li>M\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb: v\u1ecf b\u01a1m, th\u00e2n van.<\/li>\n<li>\u0110i\u1ec7n t\u1eed: b\u1ed3n t\u1eafm nhi\u1ec7t v\u00e0 v\u1ecf.<\/li>\n<li>Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p v\u00e0 n\u1eb7ng: c\u00e1c b\u1ed9 ph\u1eadn mang t\u1ea3i ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t \u1edf n\u01a1i c\u1ee9ng b\u00ean trong x\u00e2y d\u1ef1ng, t\u01b0\u1eddng m\u1ecfng, v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1eaft gi\u1ea3m v\u1eadt ch\u1ea5t.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-4931\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-EPC-equipment-for-sale.webp\" alt=\"Thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt EPC b\u1ecb m\u1ea5t \u0111\u1ec3 b\u00e1n\" width=\"800\" height=\"500\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-EPC-equipment-for-sale.webp 800w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-EPC-equipment-for-sale-300x188.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-EPC-equipment-for-sale-768x480.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-EPC-equipment-for-sale-18x12.webp 18w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-EPC-equipment-for-sale-600x375.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 id=\"challenges-and-considerations-in-lost-foam-aluminum-casting\"><strong>Th\u00e1ch th\u1ee9c v\u00e0 c\u00e2n nh\u1eafc trong \u0111\u00fac nh\u00f4m b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n<p>M\u1ed9t s\u1ed1 \u0111i\u1ec3m c\u1ea7n ch\u0103m s\u00f3c t\u1ed1t:<\/p>\n<ul>\n<li>S\u1ef1 m\u1ecfng manh c\u1ee7a m\u00f4 h\u00ecnh b\u1ecdt c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng trong khi x\u1eed l\u00fd.<\/li>\n<li>S\u1ea3n xu\u1ea5t kh\u00ed trong qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y b\u1ecdt \u0111\u00f2i h\u1ecfi \u0111\u1ed9 th\u1ea5m l\u1edbp ph\u1ee7 v\u00e0 th\u00f4ng gi\u00f3 th\u00edch h\u1ee3p \u0111\u1ec3 tr\u00e1nh \u0111\u1ed9 x\u1ed1p.<\/li>\n<li>Qu\u00e1 tr\u00ecnh ki\u1ec3m so\u00e1t l\u00e0 quan tr\u1ecdng; C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 t\u1ed1c \u0111\u1ed9 kim lo\u1ea1i cao, nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed5 kh\u00f4ng \u0111\u00fang, ho\u1eb7c \u0111\u1ed9 th\u1ea5m l\u1edbp ph\u1ee7 th\u1ea5p g\u00e2y ra l\u1ed7i nh\u01b0 \u0111\u1ed9 x\u1ed1p kh\u00ed, v\u00f2ng, ch\u1ea1y sai ho\u1eb7c bao g\u1ed3m.<\/li>\n<li>C\u00e1c m\u00f4 h\u00ecnh d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng, v\u00e0 kh\u00ed nhi\u1ec7t ph\u00e2n c\u00f3 th\u1ec3 gi\u1edbi thi\u1ec7u \u0111\u1ed9 x\u1ed1p n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd.<\/li>\n<\/ul>\n<p>D\u1eebng b\u01b0\u1edbc bao ph\u1ee7 \u0111\u1eb7t \u0111\u1eb7c \u0111i\u1ec3m bao ph\u1ee7, xem t\u1ed1c \u0111\u1ed9 \u0111\u1ed5, \u0111\u1ea3m b\u1ea3o ngay c\u1ea3 g\u00f3i c\u00e1t, v\u00e0 s\u1eed d\u1ee5ng ki\u1ec3m tra d\u00f2ng ch\u1ea3y \u0111\u1ec3 \u0111o\u00e1n l\u1ed7i.<\/p>\n<h2 id=\"why-lost-foam-casting-is-gaining-popularity\"><strong>T\u1ea1i sao Lost Foam Casting \u0111ang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn<\/strong><\/h2>\n<p>M\u1ed9t s\u1ed1 thay \u0111\u1ed5i l\u00e0m t\u0103ng t\u1ed1c vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fac nh\u00f4m b\u1ecdt b\u1ecb m\u1ea5t:<\/p>\n<ol type=\"1\">\n<li>Nhu c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n nh\u1eb9 ph\u1ee9c t\u1ea1p C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p y\u00eau c\u1ea7u c\u00e1c b\u1ed9 ph\u1eadn nh\u00f4m nh\u1eb9 nh\u01b0ng ph\u1ee9c t\u1ea1p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/li>\n<li>Hi\u1ec7u qu\u1ea3 chi ph\u00ed trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t X\u00f3a b\u1ecf l\u00f5i, gia c\u00f4ng gi\u1ea3m, c\u00e1t t\u00e1i s\u1eed d\u1ee5ng v\u00e0 lao \u0111\u1ed9ng th\u1ea5p h\u01a1n chi ph\u00ed t\u1ed5ng th\u1ec3 th\u1ea5p h\u01a1n.<\/li>\n<li>T\u00edch h\u1ee3p s\u1ea3n xu\u1ea5t k\u1ef9 thu\u1eadt s\u1ed1 C\u00e1c m\u1eabu b\u1ecdt \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua CNC ho\u1eb7c \u0111\u00fac cho ph\u00e9p t\u1ea1o m\u1eabu nhanh ch\u00f3ng v\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng.<\/li>\n<li>Y\u00eau c\u1ea7u b\u1ec1n v\u1eefng Qu\u00e1 tr\u00ecnh gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 ph\u1ee5 gia h\u00f3a ch\u1ea5t.<\/li>\n<li>\u0110\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh D\u00f2ng c\u00f4ng vi\u1ec7c h\u1ee3p l\u00fd l\u00e0m gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 lao \u0111\u1ed9ng v\u00e0 th\u1eddi gian s\u1ea3n xu\u1ea5t so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng.<\/li>\n<\/ol>\n<p>Nh\u1eefng l\u1ee3i \u00edch n\u00e0y \u0111\u1eb7t \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 m\u1ed9t s\u1eeda ch\u1eefa quan tr\u1ecdng cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t mu\u1ed1n l\u00e0m vi\u1ec7c v\u00e0 t\u1ef7 l\u1ec7 l\u00e0m vi\u1ec7c.<\/p>\n<h2 id=\"faq\"><strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: <\/strong><\/h2>\n<h3 id=\"is-lost-foam-casting-suitable-for-aluminum-alloys\"><strong>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi h\u1ee3p kim nh\u00f4m kh\u00f4ng? <\/strong><\/h3>\n<p>C\u00f3, h\u1ee3p kim nh\u00f4m r\u1ea5t ph\u00f9 h\u1ee3p do \u0111i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p, \u0111\u1ed9 l\u1ecfng tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ecdt h\u01a1i.<\/p>\n<h3 id=\"how-does-lost-foam-casting-differ-from-sand-casting\"><strong>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t kh\u00e1c v\u1edbi \u0111\u00fac c\u00e1t nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t lo\u1ea1i b\u1ecf c\u00e1c \u0111\u01b0\u1eddng chia, l\u00f5i v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh, s\u1eed d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh b\u1ecdt bay h\u01a1i trong khi \u0111\u1ed5 \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 k\u1ebft th\u00fac t\u1ed1t h\u01a1n.<\/p>\n<h2 id=\"partner-with-a-professional-lost-foam-casting-equipment-manufacturer\"><strong>\u0110\u1ed1i t\u00e1c v\u1edbi m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t chuy\u00ean nghi\u1ec7p<\/strong><\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac nh\u1eb1m m\u1ee5c \u0111\u00edch l\u1ea5y ho\u1eb7c c\u1eadp nh\u1eadt s\u1ea3n l\u01b0\u1ee3ng h\u1ee3p kim nh\u00f4m \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, ch\u1ecdn nh\u00e0 s\u1ea3n xu\u1ea5t, nh\u00e0 cung c\u1ea5p v\u00e0 li\u00ean k\u1ebft nh\u00e0 m\u00e1y ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/\"><strong>C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> t\u1eadp trung v\u00e0o k\u1ebf ho\u1ea1ch v\u00e0 \u0111\u1ea7u ra c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t m\u1edbi. N\u00f3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ho\u00e0n ch\u1ec9nh cho c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac hi\u1ec7n \u0111\u1ea1i. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/cac-san-pham\/\"><strong>Ph\u1ea1m vi s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3<\/strong><\/a> bao g\u1ed3m c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, h\u1ec7 th\u1ed1ng x\u1eed l\u00fd c\u00e1t, thi\u1ebft b\u1ecb \u0111\u00fac m\u1eabu b\u1ecdt (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y m\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS ch\u00e2n kh\u00f4ng ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng v\u00e0 m\u00e1y \u0111\u00fac b\u1ecdt d\u1ecdc \/ ngang v\u1edbi \u0111i\u1ec1u khi\u1ec3n PLC), h\u1ec7 th\u1ed1ng ph\u1ee7 v\u00e0 s\u1ea5y (m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng), h\u1ec7 th\u1ed1ng \u0111\u1ed5 v\u00e0 \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m, m\u00e1y li\u00ean k\u1ebft t\u1ef1 \u0111\u1ed9ng n\u00f3ng ch\u1ea3y v\u00e0 silo tr\u01b0\u1edfng th\u00e0nh ch\u1ed1ng t\u0129nh. V\u1edbi s\u1ef1 t\u1eadp trung m\u1ea1nh m\u1ebd v\u00e0o s\u1ef1 \u0111\u1ed5i m\u1edbi v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh, OC Technology cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00fac nh\u00f4m c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/lien-he\/\"><strong>Li\u00ean h\u1ec7 v\u1edbi OC Technology<\/strong><\/a> h\u00f4m nay.<\/p>","protected":false},"excerpt":{"rendered":"<p>In current making, aluminum casting keeps changing to better close work, less cost, and more plan bend. Among many methods, lost foam aluminum casting\u2014also known as lost foam casting aluminum alloy, aluminum lost foam casting, or lost foam casting of aluminum alloy\u2014gains quick notice in the field. This new casting way joins the easy of [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4929,"comment_status":"closed","ping_status":"closed","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-4925","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\/4925","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=4925"}],"version-history":[{"count":3,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4925\/revisions"}],"predecessor-version":[{"id":4936,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4925\/revisions\/4936"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4929"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4925"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}