{"id":4466,"date":"2025-07-31T11:50:55","date_gmt":"2025-07-31T03:50:55","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4466"},"modified":"2025-08-04T14:22:03","modified_gmt":"2025-08-04T06:22:03","slug":"lam-the-nao-de-lam-mot-khuon-duc-cho-kim-loai-voi-thiet-bi-duc-bot-bi-mat","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/how-to-make-a-casting-mold-for-metal-with-lost-foam-casting-equipment\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u00e0m m\u1ed9t khu\u00f4n \u0111\u00fac cho kim lo\u1ea1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t"},"content":{"rendered":"

Nh\u1eefng g\u00ec b\u1ecb m\u1ea5t b\u1ecdt \u0111\u00fac<\/b><\/strong><\/h2>\n

M\u1ea5t b\u1ecdt \u0111\u00fac<\/b><\/u><\/strong><\/a>\u00a0l\u00e0 m\u1ed9t c\u00e1ch g\u1ecdn g\u00e0ng \u0111\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i chi ti\u1ebft. N\u00f3 s\u1eed d\u1ee5ng h\u00ecnh d\u1ea1ng b\u1ecdt \u0111\u1ec3 h\u00ecnh th\u00e0nh c\u00e1c m\u1ea3nh ch\u00ednh x\u00e1c. M\u1ed9t m\u1eabu b\u1ecdt polystyrene \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ed1ng nhi\u1ec7t. Sau \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1t l\u1ecfng l\u1ecfng. Khi kim lo\u1ea1i n\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o, b\u1ecdt ch\u00e1y \u0111i. \u0110i\u1ec1u n\u00e0y \u0111\u1ec3 l\u1ea1i m\u1ed9t kh\u00f4ng gian h\u00ecnh th\u00e0nh ph\u1ea7n kim lo\u1ea1i cu\u1ed1i c\u00f9ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y b\u1ecf qua c\u00e1c l\u00f5i truy\u1ec1n th\u1ed1ng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng chia. N\u00f3 cho ph\u00e9p c\u00e1c h\u00ecnh d\u1ea1ng sang tr\u1ecdng v\u00e0 c\u1eaft gi\u1ea3m gia c\u00f4ng b\u1ed5 sung.<\/p>\n

\"S\u1ea3n<\/p>\n

Chu\u1ea9n b\u1ecb Foam Pattern<\/b><\/strong><\/h2>\n

Thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh \u0111\u1ec3 h\u00ecnh th\u00e0nh khu\u00f4n ch\u00ednh x\u00e1c<\/b><\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t t\u1ed1t b\u1eaft \u0111\u1ea7u v\u1edbi thi\u1ebft k\u1ebf b\u1ecdt spot-on. H\u00ecnh d\u1ea1ng b\u1ecdt ph\u1ea3i ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi ph\u1ea7n kim lo\u1ea1i cu\u1ed1i c\u00f9ng. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh \u0111\u1eb7c bi\u1ec7t, nh\u01b0 CAD, gi\u00fap thi\u1ebft k\u1ebf c\u00e1c m\u1eabu n\u00e0y. Ch\u00fang t\u00ednh \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc v\u00e0 g\u00f3c \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y gi\u1eef cho h\u00ecnh d\u1ea1ng c\u1ee7a b\u1ed9 ph\u1eadn \u0111\u00fang trong khi \u0111\u00fac.<\/p>\n

C\u1eaft v\u00e0 l\u1eafp r\u00e1p m\u00f4 h\u00ecnh b\u1ecdt<\/b><\/strong><\/h3>\n

M\u00f4 h\u00ecnh b\u1ecdt th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb polystyrene m\u1edf r\u1ed9ng (EPS). N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft b\u1eb1ng m\u00e1y CNC, \u0111\u00fac ho\u1eb7c \u0111\u1ecbnh h\u00ecnh b\u1eb1ng tay. \u0110\u1ed1i v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n, m\u1ed9t s\u1ed1 m\u1ea3nh b\u1ecdt \u0111\u01b0\u1ee3c d\u00e1n v\u1edbi keo n\u00f3ng ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c clip. M\u1ed9t l\u1eafp r\u00e1p m\u01b0\u1ee3t m\u00e0 ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 t\u1eeb ph\u00f9 h\u1ee3p x\u1ea5u ho\u1eb7c \u0111i\u1ec3m y\u1ebfu khi \u0111\u1ed5 kim lo\u1ea1i.<\/p>\n

\"Hangzhou<\/p>\n

S\u01a1n v\u00e0 s\u1ea5y m\u1eabu b\u1ecdt<\/b><\/strong><\/h2>\n

M\u1ee5c \u0111\u00edch c\u1ee7a l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/b><\/strong><\/h3>\n

M\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng l\u00e0 \u0111\u1eb7t m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ed1ng nhi\u1ec7t tr\u00ean h\u00ecnh d\u1ea1ng b\u1ecdt. L\u1edbp ph\u1ee7 n\u00e0y b\u1ea3o v\u1ec7 kim lo\u1ea1i n\u00f3ng kh\u1ecfi b\u1ecdt ch\u00e1y. N\u00f3 gi\u1eef cho khu\u00f4n m\u1ea1nh m\u1ebd v\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn. N\u00f3 c\u0169ng ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y kh\u00ed trong khi \u0111\u1ed5.<\/p>\n

\u00c1p d\u1ee5ng l\u1edbp ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ec3 ng\u0103n ng\u1eeba khuy\u1ebft t\u1eadt<\/b><\/strong><\/h3>\n

\u0110\u1ec3 tr\u00e1nh c\u00e1c l\u1ed7i nh\u01b0 c\u00e1c \u0111i\u1ec3m th\u00f4 ho\u1eb7c c\u00e1c m\u1ea3nh b\u1ecb m\u1eafc k\u1eb9t, l\u1edbp ph\u1ee7 ph\u1ea3i ti\u1ebfp t\u1ee5c \u0111\u1ed3ng \u0111\u1ec1u. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00fang, \u0111\u00e1nh ch\u1ea3i ho\u1eb7c phun. M\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ea7n c\u00e1c l\u1edbp b\u1ed5 sung d\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng ho\u1eb7c t\u1ea3i nhi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n

K\u1ef9 thu\u1eadt s\u1ea5y th\u00edch h\u1ee3p cho hi\u1ec7u su\u1ea5t khu\u00f4n t\u1ed1i \u01b0u<\/b><\/strong><\/h3>\n

Sau khi ph\u1ee7, h\u00ecnh d\u1ea1ng b\u1ecdt c\u1ea7n kh\u00f4 ho\u00e0n to\u00e0n tr\u01b0\u1edbc khi \u0111i v\u00e0o c\u00e1t. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n h\u01a1i n\u01b0\u1edbc h\u00ecnh th\u00e0nh khi kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1ed5. S\u1ea5y c\u00f3 th\u1ec3 x\u1ea3y ra trong l\u00f2 ho\u1eb7c ngo\u00e0i tr\u1eddi, t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc c\u00f4ng vi\u1ec7c. S\u1ea5y kh\u00f4 k\u00e9m c\u00f3 th\u1ec3 g\u00e2y bong b\u00f3ng ho\u1eb7c l\u1ed7 trong \u0111\u00fac.<\/p>\n

Thi\u1ebft l\u1eadp khu\u00f4n trong Flask<\/b><\/strong><\/h2>\n

Ch\u1ecdn k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng b\u00ecnh ph\u00f9 h\u1ee3p<\/b><\/strong><\/h3>\n

Nh\u00e3n gi\u1eef h\u00ecnh d\u1ea1ng b\u1ecdt v\u00e0 c\u00e1t l\u1ecfng l\u1ecfng. N\u00f3 ph\u1ea3i \u0111\u1ee7 l\u1edbn cho m\u00f4 h\u00ecnh v\u00e0 c\u00e1t b\u1ed5 sung xung quanh n\u00f3. M\u1ed9t b\u00ecnh qu\u00e1 nh\u1ecf c\u00f3 th\u1ec3 l\u00e0m l\u1ed9n l\u1ed9n \u0111\u00f3ng g\u00f3i c\u00e1t ho\u1eb7c l\u00e0m cho khu\u00f4n run.<\/p>\n

\u0110\u1ecba \u0111i\u1ec3m m\u00f4 h\u00ecnh trong Flask<\/b><\/strong><\/h3>\n

Vi\u1ec7c \u0111\u1eb7t h\u00ecnh d\u1ea1ng b\u1ecdt ch\u00ednh x\u00e1c gi\u00fap kim lo\u1ea1i ch\u1ea3y tr\u01a1n tru. H\u1ec7 th\u1ed1ng c\u1eeda - sprues, runners, risers - th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u00e0o b\u1ecdt. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m s\u1ef1 l\u1ed9n x\u1ed9n v\u00e0 gi\u00fap kim lo\u1ea1i c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n

\u0110i\u1ec1n v\u1edbi c\u00e1t kh\u00f4ng li\u00ean k\u1ebft cho s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a khu\u00f4n m\u1eabu<\/b><\/strong><\/h3>\n

Sau khi thi\u1ebft l\u1eadp m\u00f4 h\u00ecnh ph\u1ee7 trong b\u00ecnh, c\u00e1t silica l\u1ecfng l\u1ecfng bao quanh n\u00f3. C\u00e1t kh\u00f4ng li\u00ean k\u1ebft ch\u1ea3y d\u1ec5 d\u00e0ng xung quanh c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n. N\u00f3 kh\u00f4ng c\u1ea7n keo h\u00f3a h\u1ecdc v\u00ec n\u00f3 \u0111\u00f3ng g\u00f3i ch\u1eb7t ch\u1ebd v\u1edbi run.<\/p>\n

Nh\u1eefng c\u00e2n nh\u1eafc v\u1ec1 n\u00e9n v\u00e0 th\u00f4ng gi\u00f3<\/b><\/strong><\/h2>\n

L\u00e0n c\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00e9n \u0111\u1ed3ng nh\u1ea5t<\/b><\/strong><\/h3>\n

L\u1eafc c\u00e1t \u0111\u00f3ng g\u00f3i n\u00f3 ch\u1eb7t ch\u1ebd xung quanh b\u1ecdt m\u00e0 kh\u00f4ng ph\u00e1 v\u1ee1 n\u00f3. Ngay c\u1ea3 \u0111\u00f3ng g\u00f3i gi\u1eef cho khu\u00f4n \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 m\u01b0\u1ee3t m\u00e0 ph\u1ea7n cu\u1ed1i c\u00f9ng l\u00e0.<\/p>\n

Qu\u1ea3n l\u00fd d\u00f2ng kh\u00ed v\u00e0 kh\u00ed tho\u00e1t trong khi \u0111\u1ed5<\/b><\/strong><\/h3>\n

Khi kim lo\u1ea1i n\u00f3ng \u0111\u1ed1t b\u1ecdt, kh\u00ed h\u00ecnh th\u00e0nh. Ch\u00fang ph\u1ea3i tho\u00e1t qua l\u1edbp ph\u1ee7 v\u00e0 l\u1ed7 th\u00f4ng gi\u00f3 c\u00e1t. D\u00f2ng kh\u00f4ng kh\u00ed k\u00e9m c\u00f3 th\u1ec3 b\u1eaby kh\u00ed, g\u00e2y ra l\u1ed7 b\u00ean trong b\u1ed9 ph\u1eadn. Con \u0111\u01b0\u1eddng th\u00f4ng gi\u00f3 t\u1ed1t l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho \u0111\u00fac s\u1ea1ch.<\/p>\n

N\u00f3ng ch\u1ea3y v\u00e0 \u0111\u1ed5 kim lo\u1ea1i<\/b><\/strong><\/h2>\n

L\u1ef1a ch\u1ecdn kim lo\u1ea1i ph\u00f9 h\u1ee3p cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/b><\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c kim lo\u1ea1i nh\u01b0 s\u1eaft x\u00e1m, s\u1eaft ductile, nh\u00f4m v\u00e0 magi\u00ea. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u nh\u01b0 s\u1ee9c m\u1ea1nh, tr\u1ecdng l\u01b0\u1ee3ng, ch\u1ed1ng r\u1ec9 ho\u1eb7c x\u1eed l\u00fd nhi\u1ec7t.<\/p>\n

K\u1ef9 thu\u1eadt n\u00f3ng ch\u1ea3y d\u1ef1a tr\u00ean lo\u1ea1i kim lo\u1ea1i<\/b><\/strong><\/h3>\n

C\u00e1c kim lo\u1ea1i kh\u00e1c nhau c\u1ea7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00f3ng ch\u1ea3y kh\u00e1c nhau. L\u00f2 c\u1ea3m \u1ee9ng l\u00e0m vi\u1ec7c cho th\u00e9p v\u00e0 s\u1eaft. N\u1ed3i \u0111\u1ed1t kh\u00ed th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nh\u00f4m. Gi\u1eef nhi\u1ec7t n\u00f3ng ch\u1ea3y ph\u00f9 h\u1ee3p \u0111\u1ea3m b\u1ea3o d\u00f2ng ch\u1ea3y tr\u01a1n tru m\u00e0 kh\u00f4ng g\u00e2y thi\u1ec7t h\u1ea1i th\u00eam.<\/p>\n

Th\u1ee7 t\u1ee5c \u0111\u1ed5 \u0111\u1ec3 l\u00e0m \u0111\u1ea7y khu\u00f4n ch\u00ednh x\u00e1c<\/b><\/strong><\/h3>\n

\u0110\u1ed5 c\u1ea7n ph\u1ea3i \u1ed5n \u0111\u1ecbnh v\u00e0 b\u00ecnh t\u0129nh \u0111\u1ec3 tr\u00e1nh h\u1ed7n lo\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u1eef cho khu\u00f4n \u1ed5n \u0111\u1ecbnh v\u00e0 ng\u0103n ch\u1eb7n l\u1ed7i. H\u1ec7 th\u1ed1ng \u0111\u1ed5 t\u1ef1 \u0111\u1ed9ng gi\u1eef m\u1ecdi th\u1ee9 ngay c\u1ea3 tr\u00ean c\u00e1c l\u00f4. B\u1ed9 l\u1ecdc g\u1ed1m t\u1ea1i c\u00e1c \u0111i\u1ec3m nh\u1eadp c\u1ea3nh l\u00e0m s\u1ea1ch kim lo\u1ea1i t\u1ed1t h\u01a1n.<\/p>\n

L\u00e0m m\u00e1t v\u00e0 ho\u00e0n th\u00e0nh \u0111\u00fac<\/b><\/strong><\/h2>\n

Cho ph\u00e9p th\u1eddi gian l\u00e0m m\u00e1t \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c bi\u1ebfn d\u1ea1ng<\/b><\/strong><\/h3>\n

Sau khi \u0111\u1ed5, \u0111\u00fac c\u1ea7n l\u00e0m m\u00e1t ch\u1eadm trong khu\u00f4n c\u00e1t c\u1ee7a h\u1ecd. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n c\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c xo\u1eafn t\u1eeb s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 nhanh ch\u00f3ng. Th\u1eddi gian l\u00e0m m\u00e1t kh\u00e1c nhau t\u00f9y theo lo\u1ea1i kim lo\u1ea1i, \u0111\u1ed9 d\u00e0y c\u1ee7a b\u1ed9 ph\u1eadn v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng kh\u00ed.<\/p>\n

Lo\u1ea1i b\u1ecf c\u00e1t v\u00e0 l\u00e0m s\u1ea1ch v\u1eadt li\u1ec7u c\u00f2n l\u1ea1i t\u1eeb \u0111\u00fac<\/b><\/strong><\/h3>\n

M\u1ed9t khi \u0111\u1ee7 l\u1ea1nh, \u0111\u00fac ra kh\u1ecfi b\u00ecnh. C\u00e1t l\u1ecfng l\u1ecfng \u0111\u01b0\u1ee3c l\u1eafc. Phun ho\u1eb7c r\u1eeda lo\u1ea1i b\u1ecf l\u1edbp ph\u1ee7 c\u00f2n l\u1ea1i b\u1ecb m\u1eafc k\u1eb9t trong qu\u00e1 tr\u00ecnh \u0111\u00fac.<\/p>\n

Ho\u1ea1t \u0111\u1ed9ng sau \u0111\u00fac v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/b><\/strong><\/h2>\n

Ki\u1ec3m tra l\u1ed7i b\u1ec1 m\u1eb7t ho\u1eb7c l\u1ed7i n\u1ed9i b\u1ed9<\/b><\/strong><\/h3>\n

Nh\u00ecn ch\u1eb7t ch\u1ebd c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ec1 m\u1eb7t. C\u00e1c th\u1eed nghi\u1ec7m \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 qu\u00e9t tia X, t\u00ecm th\u1ea5y nh\u1eefng l\u1ed7 h\u1ed5ng \u1ea9n nh\u01b0 l\u1ed7 ho\u1eb7c c\u00e1c m\u1ea3nh b\u1ecb m\u1eafc k\u1eb9t t\u1eeb s\u1ef1 tho\u00e1t kh\u00ed k\u00e9m.<\/p>\n

Gia c\u00f4ng ho\u1eb7c x\u1eed l\u00fd nhi\u1ec7t theo y\u00eau c\u1ea7u<\/b><\/strong><\/h3>\n

M\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ea7n gia c\u00f4ng cho k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c. X\u1eed l\u00fd nhi\u1ec7t, nh\u01b0 n\u01b0\u1edbng ho\u1eb7c d\u1eadp t\u1eaft, c\u1ea3i thi\u1ec7n s\u1ee9c m\u1ea1nh cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n

\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc ch\u1ed1ng l\u1ea1i thi\u1ebft k\u1ebf g\u1ed1c<\/b><\/strong><\/h3>\n

C\u00e1c b\u1ed9 ph\u1eadn ho\u00e0n th\u00e0nh \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 \u0111o so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf m\u00e1y t\u00ednh ban \u0111\u1ea7u. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc k\u1ebf ho\u1ea1ch ch\u00ednh x\u00e1c.<\/p>\n

Ch\u1ecdn Lost Foam Casting Foam Molding Machine t\u1eeb Hangzhou Ouchen Technology Co., LTD<\/b><\/strong><\/h2>\n

\u0110\u1ed1i v\u1edbi \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, ch\u1ecdn b\u00e1nh r\u0103ng \u0111\u00e1ng tin c\u1eady l\u00e0 ch\u00eca kh\u00f3a. C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen<\/b><\/u><\/strong><\/a>\u00a0\u01b0u \u0111\u00e3i m\u00e1y \u00e9p b\u1ecdt b\u1ecb m\u1ea5t h\u00e0ng \u0111\u1ea7u<\/b><\/u><\/strong><\/a>. Ch\u00fang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho c\u00f4ng vi\u1ec7c t\u1ed1c \u0111\u1ed9 cao. Nh\u1eefng m\u00e1y n\u00e0y l\u00e0m cho c\u00e1c m\u00f4 h\u00ecnh EPS ch\u00ednh x\u00e1c v\u1edbi m\u1eadt \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng cho c\u00e1c ph\u1ea7n cu\u1ed1i c\u00f9ng. Ch\u00fang c\u00f3 \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 c\u1eaft, \u0111\u1ecbnh h\u00ecnh, d\u00e1n v\u00e0 s\u1ea5y. Nh\u1eefng th\u1ee9 n\u00e0y gi\u1eef m\u1ecdi th\u1ee9 ngay c\u1ea3 tr\u00ean c\u00e1c chuy\u1ebfn s\u1ea3n xu\u1ea5t l\u1edbn.<\/p>\n

M\u00e1y c\u1ee7a h\u1ecd ph\u00f9 h\u1ee3p tr\u01a1n tru v\u1edbi c\u00f4ng vi\u1ec7c \u0111\u00fac, cho d\u00f9 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn nh\u00f4m nh\u1ecf ho\u1eb7c r\u1ea5t nhi\u1ec1u m\u1ea3nh s\u1eaft d\u1ec5 u\u1ed1n. L\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 c\u1ee7a Hangzhou Ouchen<\/b><\/u><\/strong><\/a>\u00a0c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd v\u1edbi h\u1ed7 tr\u1ee3 chuy\u00ean gia \u0111\u1ec3 c\u1ea3i thi\u1ec7n k\u1ebft qu\u1ea3 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><\/h2>\n

V\u1eadt li\u1ec7u n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/b><\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u1edbi kim lo\u1ea1i nh\u01b0 s\u1eaft x\u00e1m, s\u1eaft ductile v\u00e0 h\u1ee3p kim nh\u00f4m.<\/p>\n

T\u1ea1i sao s\u1eed d\u1ee5ng c\u00e1t kh\u00f4ng li\u00ean k\u1ebft thay v\u00ec c\u00e1t li\u00ean k\u1ebft?<\/b><\/strong><\/h3>\n

C\u00e1t silica kh\u00f4ng li\u00ean k\u1ebft ch\u1ea3y t\u1ed1t xung quanh c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n. N\u00f3 kh\u00f4ng c\u1ea7n keo h\u00f3a h\u1ecdc v\u00ec n\u00f3 \u0111\u00f3ng g\u00f3i ch\u1eb7t ch\u1ebd v\u1edbi run.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00fac b\u1ecdt m\u1ea5t gi\u1ea3m nhu c\u1ea7u gia c\u00f4ng?<\/b><\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn g\u1ea7n v\u1edbi h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng. N\u00f3 sao ch\u00e9p c\u00e1c m\u1eabu EPS chi ti\u1ebft m\u00e0 kh\u00f4ng c\u00f3 l\u00f5i truy\u1ec1n th\u1ed1ng ho\u1eb7c \u0111\u01b0\u1eddng chia.<\/p>\n

\u0110i\u1ec1u g\u00ec g\u00e2y ra \u0111\u1ed9 x\u1ed1p trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/b><\/strong><\/h3>\n

Kho\u00e1ng l\u1ed7 x\u1ea3y ra khi c\u00e1c kh\u00ed t\u1eeb \u0111\u1ed1t EPS kh\u00f4ng th\u1ec3 tho\u00e1t ra t\u1ed1t. \u0110i\u1ec1u n\u00e0y l\u00e0 do l\u1ed7 th\u00f4ng gi\u00f3 k\u00e9m trong l\u1edbp ph\u1ee7 ho\u1eb7c khu\u00f4n c\u00e1t.<\/p>\n

T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f3 th\u1ec3 v\u1edbi qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng?<\/b><\/strong><\/h3>\n

\u0110\u00fang v\u1eady. C\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng, nh\u01b0 c\u00e1nh tay \u0111\u1ed5 robot v\u00e0 m\u00e1y \u00e9p CNC t\u1eeb C\u00f4ng ty C\u00f4ng ngh\u1ec7 Hangzhou Ouchen, LTD. Nh\u1eefng \u0111i\u1ec1u n\u00e0y t\u0103ng c\u01b0\u1eddng s\u1ef1 nh\u1ea5t qu\u00e1n v\u00e0 gi\u1ea3m chi ph\u00ed lao \u0111\u1ed9ng.<\/p>","protected":false},"excerpt":{"rendered":"

What is Lost Foam Casting Lost foam casting\u00a0is a neat way to make detailed metal parts. It uses a foam shape to form precise pieces. A polystyrene foam pattern gets coated with a heat-proof material. Then, it\u2019s placed in loose sand. When hot metal is poured in, the foam burns away. This leaves a space […]<\/p>\n","protected":false},"author":3,"featured_media":4472,"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-4466","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\/4466","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=4466"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4466\/revisions"}],"predecessor-version":[{"id":4473,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4466\/revisions\/4473"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4472"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4466"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}