{"id":4726,"date":"2025-12-11T11:50:17","date_gmt":"2025-12-11T03:50:17","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4726"},"modified":"2025-12-09T11:57:13","modified_gmt":"2025-12-09T03:57:13","slug":"qua-trinh-duc-bot-bi-mat-lam-the-nao-no-hoat-dong","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/lost-foam-casting-process-how-does-it-work\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t - N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"

K\u1ec3 t\u1eeb khi th\u00e0nh l\u1eadp v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1950, \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/a> \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u01b0a th\u00edch \u0111\u1ec3 l\u00e0m c\u00e1c v\u1eadt ph\u1ea9m kim lo\u1ea1i r\u1ea5t chi ti\u1ebft v\u00e0 c\u00f3 k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c trong nhi\u1ec1u l\u0129nh v\u1ef1c. N\u00f3 c\u1eaft gi\u1ea3m c\u00f4ng vi\u1ec7c c\u1eaft th\u00eam v\u00e0 gi\u1ea3m chi ph\u00ed l\u00e0m vi\u1ec7c. C\u00e1ch \u0111\u00fac n\u00e0y cung c\u1ea5p m\u1ed9t s\u1eeda ch\u1eefa gi\u00e1 r\u1ebb v\u00e0 nhanh ch\u00f3ng cho c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac. M\u1ea3nh n\u00e0y xem x\u00e9t c\u00e1c \u00fd t\u01b0\u1edfng c\u01a1 b\u1ea3n c\u1ee7a \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, c\u00e1c \u0111i\u1ec3m t\u1ed1t c\u1ee7a n\u00f3, s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c b\u01b0\u1edbc r\u00f5 r\u00e0ng trong qu\u00e1 tr\u00ecnh.<\/p>\n

 <\/p>\n

\"Qu\u00e1<\/div>\n

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

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/a> l\u00e0 m\u1ed9t lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac kim lo\u1ea1i s\u1eed d\u1ee5ng c\u00e1c m\u1eabu b\u1ecdt polystyrene ho\u1eb7c khu\u00f4n \u0111\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i v\u1edbi chi ti\u1ebft v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t v\u1eddi. B\u1eb1ng c\u00e1ch n\u00e0y, m\u1ed9t m\u1eabu b\u1ecdt (th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng polystyrene m\u1edf r\u1ed9ng, EPS) c\u00f3 h\u00ecnh d\u1ea1ng gi\u1ed1ng nh\u01b0 ph\u1ea7n cu\u1ed1i c\u00f9ng mong mu\u1ed1n. M\u00f4 h\u00ecnh b\u1ecdt n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng s\u01a1n ch\u1ed1ng ch\u00e1y (c\u00e1ch nhi\u1ec7t). N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong c\u00e1t kh\u00f4 l\u1ecfng l\u1ecfng. Sau \u0111\u00f3, kim lo\u1ea1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u0111\u1ed5 ngay v\u00e0o n\u00f3. Kim lo\u1ea1i n\u00f3ng bi\u1ebfn khu\u00f4n b\u1ecdt th\u00e0nh kh\u00ed (ho\u1eb7c \"\u0111\u1ed1t ch\u00e1y n\u00f3 \u0111i\"). \u0110\u1ed3ng th\u1eddi, n\u00f3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng c\u00f2n l\u1ea1i ph\u00eda sau. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh kim lo\u1ea1i \u0111\u00fac. V\u00ec b\u1ecdt bi\u1ebfn m\u1ea5t trong khi \u0111\u1ed5, qu\u00e1 tr\u00ecnh \u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \"\u0111\u00fac khu\u00f4n m\u1ea5t\".<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t t\u1ed1t cho vi\u1ec7c l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i nh\u1ecf \u0111\u1ebfn v\u1eeba c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n. N\u00f3 cung c\u1ea5p k\u1ebft th\u00fac b\u1ec1 m\u1eb7t t\u1ed1t v\u00e0 gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc g\u1ea7n. N\u00f3 c\u0169ng b\u1ecf qua nhu c\u1ea7u cho l\u00f5i fancy ho\u1eb7c c\u00f4ng vi\u1ec7c sau \u0111\u00fac.<\/p>\n

\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n

\u0110\u00fac b\u1ecdt m\u1ea5t mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch m\u1ea1nh m\u1ebd khi so s\u00e1nh v\u1edbi c\u00e1c c\u00e1ch \u0111\u00fac c\u0169 h\u01a1n:<\/p>\n

Chi ti\u1ebft cao v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc<\/strong> - M\u00f4 h\u00ecnh b\u1ecdt c\u00f3 th\u1ec3 sao ch\u00e9p c\u00e1c h\u00ecnh d\u1ea1ng c\u1ee9ng, ngay c\u1ea3 v\u1edbi t\u01b0\u1eddng m\u1ecfng, \u0111\u01b0\u1eddng d\u1eabn b\u00ean trong ho\u1eb7c thi\u1ebft k\u1ebf sang tr\u1ecdng. V\u00ec v\u1eady, c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i cho th\u1ea5y c\u00e1c chi ti\u1ebft \u0111\u00f3 ch\u00ednh x\u00e1c.<\/p>\n

Gi\u1ea3m c\u00e1c y\u00eau c\u1ea7u gia c\u00f4ng v\u00e0 ho\u00e0n thi\u1ec7n<\/strong> - Qu\u00e1 tr\u00ecnh th\u01b0\u1eddng l\u00e0m cho \u0111\u00fac h\u00ecnh g\u1ea7n l\u01b0\u1edbi v\u1edbi b\u1ec1 m\u1eb7t m\u1ecbn. \u0110i\u1ec1u n\u00e0y c\u1eaft ho\u1eb7c lo\u1ea1i b\u1ecf nhu c\u1ea7u c\u1eaft th\u00eam, m\u00e0i ho\u1eb7c l\u00e0m vi\u1ec7c b\u1ec1 m\u1eb7t.<\/p>\n

Chi ph\u00ed lao \u0111\u1ed9ng v\u00e0 s\u1ea3n xu\u1ea5t th\u1ea5p h\u01a1n<\/strong> - \u00cdt b\u01b0\u1edbc v\u00e0 c\u00f4ng c\u1ee5 d\u1ec5 d\u00e0ng h\u01a1n so v\u1edbi \u0111\u00fac c\u00e1t truy\u1ec1n th\u1ed1ng ho\u1eb7c \u0111\u00fac \u0111\u1ea7u t\u01b0 l\u00e0m gi\u1ea3m c\u00f4ng vi\u1ec7c v\u00e0 chi ph\u00ed b\u1ed5 sung trong c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac.<\/p>\n

T\u1ef1 do thi\u1ebft k\u1ebf l\u1edbn h\u01a1n<\/strong> Kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n t\u1eeb l\u00f5i ho\u1eb7c khu\u00f4n trong \u0111\u00fac th\u00f4ng th\u01b0\u1eddng, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n h\u01a1n v\u1edbi c\u00e1c t\u00ednh n\u0103ng b\u00ean trong, undercuts v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn chi ti\u1ebft.<\/p>\n

S\u1ef1 linh ho\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u<\/strong> - Nhi\u1ec1u kim lo\u1ea1i nh\u01b0 s\u1eaft \u0111\u00fac, s\u1eaft ductile, th\u00e9p h\u1ee3p kim, th\u00e9p carbon, h\u1ee3p kim nh\u00f4m v\u00e0 h\u1ee3p kim s\u1eaft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00fac v\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y.<\/p><\/blockquote>\n

K\u1ebft qu\u1ea3 l\u00e0, \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t th\u01b0\u1eddng r\u1ebb h\u01a1n v\u00e0 nhanh h\u01a1n so v\u1edbi m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u00fac kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u1ea7n c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee9ng.<\/p>\n

Khi n\u00e0o s\u1eed d\u1ee5ng Lost Foam Casting<\/strong><\/h2>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t t\u1ecfa s\u00e1ng khi l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn ho\u1eb7c s\u1ea3n ph\u1ea9m:<\/p>\n

C\u1ea7n h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p - ch\u1eb3ng h\u1ea1n nh\u01b0 t\u01b0\u1eddng m\u1ecfng, k\u00eanh b\u00ean trong, c\u1eaft d\u01b0\u1edbi ho\u1eb7c h\u00ecnh d\u1ea1ng b\u00ean ngo\u00e0i chi ti\u1ebft.<\/p>\n

Y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c chi\u1ec1u cao v\u00e0 dung sai ch\u1eb7t ch\u1ebd.<\/p>\n

L\u1ee3i \u00edch t\u1eeb b\u1ec1 m\u1eb7t tr\u01a1n tru v\u00e0 sau x\u1eed l\u00fd t\u1ed1i thi\u1ec3u.<\/p>\n

\u0110\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00e1c l\u00f4 nh\u1ecf \u0111\u1ebfn trung b\u00ecnh ho\u1eb7c n\u01a1i thay \u0111\u1ed5i c\u00f4ng c\u1ee5 cho khu\u00f4n truy\u1ec1n th\u1ed1ng s\u1ebd t\u1ed1n nhi\u1ec1u ti\u1ec1n.<\/p>\n

S\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 s\u1eaft \u0111\u00fac, s\u1eaft d\u1ec5 u\u1ed1n, th\u00e9p h\u1ee3p kim, th\u00e9p carbon ho\u1eb7c h\u1ee3p kim nh\u00f4m - ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft l\u1eadp b\u1ecdt b\u1ecb m\u1ea5t.<\/p><\/blockquote>\n

C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u00f4 t\u00f4 (v\u00ed d\u1ee5: kh\u1ed1i \u0111\u1ed9ng c\u01a1, \u0111\u1ea7u xi lanh, v\u1ecf h\u1ed9p s\u1ed1), n\u00f4ng nghi\u1ec7p, m\u00e1y m\u00f3c, qu\u1ed1c ph\u00f2ng, c\u1ed9ng v\u1edbi \u0111\u00fac kh\u00f3 kh\u0103n cho m\u00e1y b\u01a1m, van, v\u1ecf, v\u1ecf cho m\u00e1y \u0111\u1ed1t ho\u1eb7c thi\u1ebft b\u1ecb l\u1eafp r\u00e1p, v\u00e0 th\u1eadm ch\u00ed ngh\u1ec7 thu\u1eadt chi ti\u1ebft ho\u1eb7c kim lo\u1ea1i x\u00e2y d\u1ef1ng.<\/p>\n

Khi thi\u1ebft k\u1ebf c\u1ea7n c\u00e1c con \u0111\u01b0\u1eddng b\u00ean trong kh\u00f3 kh\u0103n, t\u01b0\u1eddng m\u1ecfng ho\u1eb7c c\u00e1c t\u00ednh n\u0103ng b\u00ean ngo\u00e0i chi ti\u1ebft - v\u00e0 khi c\u1eaft gia c\u00f4ng v\u00e0 chi ph\u00ed ho\u00e0n thi\u1ec7n quan tr\u1ecdng nh\u1ea5t - \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t bi\u1ebfn th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn r\u1ea5t t\u1ed1t.<\/p>\n

B\u01b0\u1edbc quy tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t ph\u00e2n t\u00edch r\u00f5 r\u00e0ng c\u1ee7a c\u00e1c b\u01b0\u1edbc th\u00f4ng th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t:<\/p>\n

T\u1ea1o m\u00f4 h\u00ecnh thi\u1ebft k\u1ebf<\/strong><\/h3>\n

 <\/p>\n

\"EPC<\/div>\n

\u0110\u1ea7u ti\u00ean, m\u1ed9t m\u00f4 h\u00ecnh c\u1ee7a ph\u1ea7n kim lo\u1ea1i cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch - th\u01b0\u1eddng v\u1edbi thi\u1ebft k\u1ebf h\u1ed7 tr\u1ee3 m\u00e1y t\u00ednh (CAD) - v\u00e0 bi\u1ebfn th\u00e0nh khu\u00f4n b\u1ecdt polystyrene m\u1edf r\u1ed9ng (EPS). C\u00e1c m\u1eabu b\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft t\u1eeb m\u1ed9t kh\u1ed1i b\u1ecdt r\u1eafn ho\u1eb7c \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch \u0111\u00fac \/ ti\u00eam (cho s\u1ea3n xu\u1ea5t l\u1edbn). \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf r\u1ea5t c\u1ee9ng, m\u1ed9t s\u1ed1 m\u1ea3nh b\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00e1n v\u1edbi nhau \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh m\u00f4 h\u00ecnh.<\/p>\n

2. \u00c1p d\u1ee5ng s\u01a1n c\u00e1ch nhi\u1ec7t cho khu\u00f4n b\u1ecdt<\/strong><\/h3>\n

M\u1ed9t khi m\u1eabu b\u1ecdt \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh, n\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng s\u01a1n ch\u1ed1ng ch\u00e1y ho\u1eb7c c\u00e1ch nhi\u1ec7t. L\u1edbp n\u00e0y b\u1ea3o v\u1ec7 b\u1ecdt trong khi \u0111\u1ed5 kim lo\u1ea1i. N\u00f3 c\u0169ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng kim lo\u1ea1i n\u00f3ng ch\u1ea3y t\u1ed1t v\u00e0o kh\u00f4ng gian c\u00f2n l\u1ea1i b\u1edfi b\u1ecdt. N\u00f3 gi\u1eef cho khu\u00f4n m\u1ea1nh m\u1ebd. Khu\u00f4n s\u01a1n sau \u0111\u00f3 \u0111\u01b0\u1ee3c kh\u00f4 trong kh\u00f4ng kh\u00ed.<\/p>\n

3. Ch\u00e8n khu\u00f4n v\u00e0o m\u1ed9t b\u00ecnh c\u00e1t v\u00e0 \u0111\u00f3ng g\u00f3i c\u00e1t<\/strong><\/h3>\n

Sau khi s\u1ea5y, m\u1eabu b\u1ecdt s\u01a1n \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o m\u1ed9t b\u00ecnh (m\u1ed9t h\u1ed9p \u0111\u1ec3 \u0111\u00fac). N\u00f3 \u0111\u01b0\u1ee3c bao quanh b\u1edfi c\u00e1t kh\u00f4 kh\u00f4ng li\u00ean k\u1ebft. C\u00e1t \u0111\u01b0\u1ee3c \u00e9p xung quanh khu\u00f4n \u0111\u1ec3 gi\u1eef v\u00e0 \u1ed5n \u0111\u1ecbnh n\u00f3. M\u1ed9t sprue (\u0111\u1ec3 \u0111\u1ed5 kim lo\u1ea1i) v\u00e0 \u0111\u01b0\u1eddng tho\u00e1t kh\u00ed (\u0111\u1ec3 tho\u00e1t kh\u00ed) c\u0169ng \u0111\u01b0\u1ee3c th\u00eam nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft l\u1eadp b\u00ecnh.<\/p>\n

4. \u0110\u1ed5 kim lo\u1ea1i n\u00f3ng ch\u1ea3y<\/strong><\/h3>\n

Kim lo\u1ea1i tan ch\u1ea3y \u0111\u01b0\u1ee3c \u0111\u1ed5 qua sprue. Khi kim lo\u1ea1i ch\u1ea1m v\u00e0o khu\u00f4n b\u1ecdt, b\u1ecdt bi\u1ebfn th\u00e0nh kh\u00ed (ho\u1eb7c \"\u0111\u1ed1t ch\u00e1y\"). Kim lo\u1ea1i ch\u1ea3y v\u00e0o kh\u00f4ng gian \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi b\u1ecdt. C\u00e1t gi\u1eef d\u00f2ng ch\u1ea3y kim lo\u1ea1i v\u00e0 c\u1ee9ng cu\u1ed1i c\u00f9ng.<\/p>\n

5. L\u1ea5y l\u1ea1i s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng<\/strong><\/h3>\n

M\u1ed9t khi kim lo\u1ea1i c\u1ee9ng v\u00e0 l\u00e0m m\u00e1t \u0111\u1ee7, c\u00e1t \u0111\u01b0\u1ee3c l\u1ea5y \u0111i. Casting \u0111\u01b0\u1ee3c k\u00e9o ra. B\u1edfi v\u00ec \u0111\u00fac l\u1ea5p \u0111\u1ea7y ch\u1ed7 c\u00f2n l\u1ea1i b\u1edfi khu\u00f4n b\u1ecdt, ph\u1ea7n kim lo\u1ea1i cu\u1ed1i c\u00f9ng ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh d\u1ea1ng v\u00e0 chi ti\u1ebft c\u1ee7a m\u1eabu b\u1ecdt \u0111\u1ea7u ti\u00ean ch\u1eb7t ch\u1ebd. N\u00f3 th\u01b0\u1eddng c\u1ea7n \u00edt ho\u1eb7c kh\u00f4ng c\u1ea7n sau khi c\u1eaft.<\/p>\n

T\u1ea1i sao \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u01b0a th\u00edch cho s\u1eaft d\u1ec5 u\u1ed1n v\u00e0 \u0111\u00fac ph\u1ee9c t\u1ea1p<\/strong><\/h2>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t thu h\u00fat s\u1ef1 quan t\u00e2m \u0111\u1eb7c bi\u1ec7t cho s\u1eaft ductile v\u00e0 \u0111\u00fac kim lo\u1ea1i ph\u1ee9c t\u1ea1p. N\u00f3 c\u00f3 th\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh d\u1ea1ng g\u1ea7n l\u01b0\u1edbi v\u1edbi \u00edt l\u00f5i h\u01a1n v\u00e0 \u00edt gia c\u00f4ng. C\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt ph\u1ea9m s\u1eaft d\u1ec5 u\u1ed1n - ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng d\u1eabn b\u00ean trong, v\u1ecf t\u01b0\u1eddng m\u1ecfng ho\u1eb7c h\u00ecnh d\u1ea1ng c\u1ee9ng - c\u00f3 l\u1ee3i t\u1eeb h\u00e0nh \u0111\u1ed9ng l\u00e0m c\u1ee9ng \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao c\u00f3 th\u1ec3 v\u1edbi \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

H\u01a1n n\u1eefa, khi k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t d\u00e2y chuy\u1ec1n \u0111\u00fac b\u1ecdt m\u1ea5t \u0111\u1ea7y \u0111\u1ee7 (bao g\u1ed3m m\u00e1y \u00e9p EPS, t\u1ea1o b\u1ecdt tr\u01b0\u1edbc, x\u1eed l\u00fd h\u1ea1t, s\u1ea5y, h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng v\u00e0 thi\u1ebft b\u1ecb ph\u1ee7), c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 cao, t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 \u00edt ch\u1ea5t th\u1ea3i h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn m\u1ea1nh m\u1ebd h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u0169 h\u01a1n.<\/p>\n

T\u00f3m t\u1eaft<\/strong><\/h2>\n

\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t. N\u00f3 ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i ph\u1ee9c t\u1ea1p, \u0111\u1ea7y chi ti\u1ebft v\u00e0 c\u00f3 k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u1edbi \u00edt sau khi l\u00e0m vi\u1ec7c. Qu\u00e1 tr\u00ecnh t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t m\u1eabu b\u1ecdt \u0111\u01b0\u1ee3c ph\u1ee7, \u0111\u1eb7t trong c\u00e1t kh\u00f4, v\u00e0 sau \u0111\u00f3 trao \u0111\u1ed5i b\u1eb1ng kim lo\u1ea1i n\u00f3ng ch\u1ea3y bi\u1ebfn b\u1ecdt th\u00e0nh kh\u00ed. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t \u0111\u00fac kim lo\u1ea1i sao ch\u00e9p h\u00ecnh d\u1ea1ng c\u1ee7a b\u1ecdt ho\u00e0n h\u1ea3o.<\/p>\n

Nh\u1edd c\u00e1c \u0111i\u1ec3m t\u1ed1t t\u00edch h\u1ee3p c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p - s\u1ef1 linh ho\u1ea1t thi\u1ebft k\u1ebf, \u0111\u1ed9 ch\u00ednh x\u00e1c, gia c\u00f4ng \u00edt h\u01a1n, ti\u1ebft ki\u1ec7m c\u00f4ng vi\u1ec7c v\u00e0 chi ph\u00ed - \u0111\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 t\u1eeb \u00f4 t\u00f4 \u0111\u1ebfn n\u00f4ng nghi\u1ec7p, m\u00e1y m\u00f3c v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac mu\u1ed1n l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn s\u1eaft ho\u1eb7c nh\u00f4m ph\u1ee9c t\u1ea1p nhanh ch\u00f3ng v\u00e0 r\u1ebb ti\u1ec1n, \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi.<\/p>\n

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

Q: Nh\u1eefng lo\u1ea1i kim lo\u1ea1i n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?<\/strong>
\nA: \u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t h\u1ed7 tr\u1ee3 m\u1ed9t lo\u1ea1t c\u00e1c kim lo\u1ea1i, bao g\u1ed3m s\u1eaft \u0111\u00fac, s\u1eaft ductile, th\u00e9p h\u1ee3p kim, th\u00e9p carbon, h\u1ee3p kim s\u1eaft v\u00e0 h\u1ee3p kim nh\u00f4m.<\/p>\n

Q: C\u00f3 ph\u1ea3i sau \u0111\u00fac gia c\u00f4ng v\u00e0 ho\u00e0n thi\u1ec7n lu\u00f4n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u?<\/strong>
\nA: Kh\u00f4ng nh\u1ea5t thi\u1ebft - b\u1edfi v\u00ec \u0111\u00fac b\u1ecdt m\u1ea5t c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh d\u1ea1ng g\u1ea7n l\u01b0\u1edbi v\u1edbi chi ti\u1ebft tinh t\u1ebf v\u00e0 b\u1ec1 m\u1eb7t tr\u01a1n tru, nhi\u1ec1u \u0111\u00fac \u0111\u00f2i h\u1ecfi \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 gia c\u00f4ng ho\u1eb7c ho\u00e0n thi\u1ec7n b\u1ed5 sung.<\/p>\n

Q: \u0110\u00fac b\u1ecdt m\u1ea5t c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i l\u1edbn kh\u00f4ng?<\/strong>
\nA: N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p. Qu\u00e1 tr\u00ecnh n\u00e0y hi\u1ec7u qu\u1ea3 nh\u1ea5t cho c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p nh\u1ecf \u0111\u1ebfn trung b\u00ecnh. \u0110\u1ed1i v\u1edbi \u0111\u00fac r\u1ea5t l\u1edbn, ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac truy\u1ec1n th\u1ed1ng ho\u1eb7c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n

Q: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00fac b\u1ecdt m\u1ea5t so v\u1edbi \u0111\u00fac c\u00e1t truy\u1ec1n th\u1ed1ng ho\u1eb7c \u0111\u00fac \u0111\u1ea7u t\u01b0 v\u1ec1 chi ph\u00ed v\u00e0 th\u1eddi gian?<\/strong>
\nA: \u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t th\u01b0\u1eddng l\u00e0m gi\u1ea3m s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a s\u1ea3n xu\u1ea5t, chi ph\u00ed d\u1ee5ng c\u1ee5 v\u00e0 th\u1eddi gian gia c\u00f4ng \/ sau ch\u1ebf bi\u1ebfn, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn chi ph\u00ed s\u1ea3n xu\u1ea5t t\u1ed5ng th\u1ec3 th\u1ea5p h\u01a1n v\u00e0 th\u1eddi gian d\u1eabn ng\u1eafn h\u01a1n so v\u1edbi \u0111\u00fac c\u00e1t truy\u1ec1n th\u1ed1ng ho\u1eb7c \u0111\u00fac \u0111\u1ea7u t\u01b0 cho c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/p>\n

Ti\u1ebfn b\u1ed9 nh\u00e0 \u0111\u00fac c\u1ee7a b\u1ea1n v\u1edbi m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00fac b\u1ecdt m\u1ea5t \u0111\u00e1ng tin c\u1eady<\/strong><\/h2>\n

N\u1ebfu m\u1ed9t nh\u00e0 m\u00e1y \u0111\u00fac t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00fac b\u1ecdt m\u1ea5t, th\u00f4ng minh v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> gi\u1edbi thi\u1ec7u m\u1ed9t \u0111\u1ed1i t\u00e1c l\u00fd t\u01b0\u1edfng. L\u00e0 m\u1ed9t doanh nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i Hangzhou, OC Technology chuy\u00ean s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \"khu v\u1ef1c tr\u1eafng\" t\u1ef1 \u0111\u1ed9ng cao c\u1ea5p cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t - bao g\u1ed3m m\u00e1y \u0111\u00fac b\u1ecdt, thi\u1ebft b\u1ecb \u0111\u00fac tr\u01b0\u1edbc, m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed v\u00e0 d\u00e2y chuy\u1ec1n \u0111\u00fac \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

OC Technology ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng c\u1ea5p \u0111\u00fac tr\u00ean to\u00e0n th\u1ebf gi\u1edbi v\u00e0 cung c\u1ea5p cung c\u1ea5p d\u00e2y chuy\u1ec1n \u0111\u00fac turnkey, t\u1ef1 \u0111\u1ed9ng h\u00f3a ti\u00ean ti\u1ebfn v\u00e0 d\u1ecbch v\u1ee5 sau b\u00e1n h\u00e0ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u0111\u1ed1i t\u00e1c.<\/p>\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c nh\u00e0 cung c\u1ea5p quan t\u00e2m \u0111\u1ebfn vi\u1ec7c n\u00e2ng cao ho\u1ea1t \u0111\u1ed9ng \u0111\u00fac c\u1ee7a h\u1ecd v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch li\u00ean h\u1ec7 v\u1edbi c\u00f4ng ngh\u1ec7 OC<\/strong><\/a> \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p d\u00e2y chuy\u1ec1n \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t t\u00f9y ch\u1ec9nh.<\/p>","protected":false},"excerpt":{"rendered":"

Since its creation in the early 1950s, lost-foam casting has grown into a favored method for making very detailed and exactly sized metal items in many fields. It cuts down on extra cutting work and lowers making costs. This casting way gives a cheap and quick fix for foundries. This piece looks into the basic […]<\/p>\n","protected":false},"author":3,"featured_media":4722,"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],"tags":[],"class_list":["post-4726","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\/4726","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=4726"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4726\/revisions"}],"predecessor-version":[{"id":4727,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4726\/revisions\/4727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4722"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4726"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}