{"id":5054,"date":"2026-05-28T00:00:24","date_gmt":"2026-05-27T16:00:24","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=5054"},"modified":"2026-05-28T10:38:46","modified_gmt":"2026-05-28T02:38:46","slug":"so-sanh-phuong-phap-duc-khuon-mau-va-phuong-phap-duc-khuon-xop-nhung-diem-tuong-dong-va-khac-biet-chinh","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/comparing-investment-casting-and-lost-foam-casting-similarities-and-key-differences\/","title":{"rendered":"So s\u00e1nh ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p: Nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t ch\u00ednh"},"content":{"rendered":"

\u0110\u00fac l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i, cho ph\u00e9p \u0111\u00fac c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p v\u1edbi k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc \u1ed5n \u0111\u1ecbnh. Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, trong \u0111\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng ch\u00fa \u00fd h\u01a1n c\u1ea3 l\u00e0 \u0111\u00fac khu\u00f4n m\u1eabu v\u00e0 \u0111\u00fac khu\u00f4n x\u1ed1p. C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t n\u00e0y \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1ed9t khu\u00f4n m\u1eabu t\u1ea1m th\u1eddi \u0111\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng, \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i \u0111\u00fac.<\/p>\n

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\"\u0110\u00fac<\/div>\n

\u0110\u00fac \u0111\u1ea7u t\u01b0 v\u00e0 M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a> \u0110\u00e2y l\u00e0 hai quy tr\u00ecnh \u0111\u00fac kh\u00e1c nhau. Trong \u0111\u00fac khu\u00f4n m\u1eabu (investment casting), c\u00e1c khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi l\u1edbp v\u1ecf g\u1ed1m. \u0110\u00fac khu\u00f4n x\u1ed1p (lost foam casting) s\u1eed d\u1ee5ng c\u00e1c khu\u00f4n m\u1eabu b\u1eb1ng x\u1ed1p \u0111\u01b0\u1ee3c h\u00f2a tan ho\u00e0n to\u00e0n trong kim lo\u1ea1i n\u00f3ng ch\u1ea3y. S\u1ef1 kh\u00e1c bi\u1ec7t trong quy tr\u00ecnh n\u00e0y d\u1eabn \u0111\u1ebfn nh\u1eefng kh\u00e1c bi\u1ec7t l\u1edbn v\u1ec1 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, chu\u1ea9n b\u1ecb khu\u00f4n, \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, chi ph\u00ed v\u00e0 l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng.<\/p>\n

\u0110\u00fac khu\u00f4n s\u00e1p l\u00e0 g\u00ec?<\/strong><\/h2>\n

\u0110\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac s\u00e1p ch\u1ea3y<\/strong><\/h3>\n

\u0110\u00fac khu\u00f4n s\u00e1p ch\u1ea3y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac r\u1ea5t ch\u00ednh x\u00e1c. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u00fac khu\u00f4n s\u00e1p ch\u1ea3y, tr\u01b0\u1edbc ti\u00ean ng\u01b0\u1eddi ta t\u1ea1o m\u1ed9t khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p. Sau \u0111\u00f3, khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p \u0111\u01b0\u1ee3c ph\u1ee7 nhi\u1ec1u l\u1edbp h\u1ed7n h\u1ee3p g\u1ed1m v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t. C\u00f3 nhi\u1ec1u l\u1edbp v\u00e0 nhi\u1ec1u l\u1edbp \u0111\u01b0\u1ee3c \u0111\u1ec3 kh\u00f4. Sau khi c\u00e1c l\u1edbp \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u1ee7 v\u00e0 kh\u00f4, nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y s\u00e1p, \u0111\u1ec3 l\u1ea1i m\u1ed9t l\u1edbp v\u1ecf g\u1ed1m r\u1ed7ng. Kim lo\u1ea1i n\u00f3ng ch\u1ea3y sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o c\u1ed1c r\u00f3t \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y l\u1edbp v\u1ecf. Kim lo\u1ea1i sau \u0111\u00f3 \u0111\u00f4ng \u0111\u1eb7c v\u00e0 l\u1edbp v\u1ecf \u0111\u01b0\u1ee3c \u0111\u1eadp v\u1ee1 \u0111\u1ec3 l\u1ed9 ra chi ti\u1ebft \u0111\u00fac.<\/p>\n

Quy tr\u00ecnh \u0111\u00fac s\u00e1p th\u1ea5t truy\u1ec1n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n

C\u00f3 h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 c\u00e1ch l\u00e0m khu\u00f4n \u0111\u00fac s\u00e1p ch\u1ea3y: L\u00e0m khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p, l\u1eafp r\u00e1p c\u00e1c khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p, t\u1ea1o l\u1edbp v\u1ecf g\u1ed1m bao quanh s\u00e1p, lo\u1ea1i b\u1ecf s\u00e1p, nung l\u1edbp v\u1ecf g\u1ed1m, \u0111\u1ed5 kim lo\u1ea1i n\u00f3ng ch\u1ea3y, \u0111\u1ec3 kim lo\u1ea1i ngu\u1ed9i, th\u00e1o l\u1edbp v\u1ecf g\u1ed1m ra kh\u1ecfi chi ti\u1ebft \u0111\u00fac, c\u1eaft v\u00e0 m\u00e0i theo k\u00edch th\u01b0\u1edbc v\u00e0 ki\u1ec3m tra chi ti\u1ebft xem c\u00f3 khuy\u1ebft t\u1eadt n\u00e0o kh\u00f4ng. Khu\u00f4n \u0111\u00fac s\u00e1p ch\u1ea3y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c chi ti\u1ebft c\u00f3 \u0111\u1ed9 tinh x\u1ea3o b\u1ec1 m\u1eb7t r\u1ea5t cao, do \u0111\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o ra c\u00e1c chi ti\u1ebft \u0111\u00fac ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t cao.<\/p>\n

\u01afu \u0111i\u1ec3m chung c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac s\u00e1p ch\u1ea3y<\/strong><\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac s\u00e1p ch\u1ea3y c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c th\u00e0nh m\u1ecfng, h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c, b\u1ec1 m\u1eb7t nh\u1eb5n m\u1ecbn v\u00e0 k\u00edch th\u01b0\u1edbc chu\u1ea9n x\u00e1c. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf \u0111\u1ebfn trung b\u00ecnh l\u00e0m t\u1eeb kim lo\u1ea1i, do \u0111\u1ed9 ch\u00ednh x\u00e1c cao c\u1ee7a quy tr\u00ecnh. C\u00f3 nhi\u1ec1u b\u01b0\u1edbc li\u00ean quan \u0111\u1ebfn quy tr\u00ecnh n\u00e0y, d\u1eabn \u0111\u1ebfn th\u1eddi gian s\u1ea3n xu\u1ea5t l\u00e2u h\u01a1n v\u00e0 chi ph\u00ed nh\u00e2n c\u00f4ng cao h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00fac kh\u00e1c.<\/p>\n

\u0110\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 l\u00e0 g\u00ec?<\/strong><\/h2>\n

\u0110\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 nh\u01b0 m\u1ed9t quy tr\u00ecnh ch\u00ednh x\u00e1c<\/strong><\/h3>\n

\u0110\u00fac khu\u00f4n m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac \u0111\u1ea7u t\u01b0 c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn quy tr\u00ecnh \u0111\u00fac s\u00e1p ch\u1ea3y. Trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, thu\u1eadt ng\u1eef \u0111\u00fac khu\u00f4n m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u00fac s\u00e1p ch\u1ea3y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00f9ng m\u1ed9t quy tr\u00ecnh. Thu\u1eadt ng\u1eef \u201c\u0111\u1ea7u t\u01b0\u201d \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 v\u1eadt li\u1ec7u v\u1ecf g\u1ed1m bao quanh m\u1eabu s\u00e1p v\u00e0 tr\u1edf th\u00e0nh v\u1ecf khu\u00f4n.<\/p>\n

V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac khu\u00f4n m\u1eabu<\/strong><\/h3>\n

\u0110\u00fac khu\u00f4n m\u1eabu ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i kim lo\u1ea1i nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9, th\u00e9p carbon, th\u00e9p h\u1ee3p kim, h\u1ee3p kim nh\u00f4m, \u0111\u1ed3ng thau v\u00e0 c\u00e1c kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u00fac kh\u00e1c. Quy tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c v\u00e0 ph\u1ee5 t\u00f9ng, ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng, thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n ch\u1ea5t l\u1ecfng, xe c\u1ed9 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt kh\u00e1c.<\/p>\n

\u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0<\/strong><\/h3>\n

\u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n m\u1eabu l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Nh\u1edd quy tr\u00ecnh n\u00e0y, c\u00f3 th\u1ec3 \u0111\u00fac c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p v\u1edbi \u0111\u1ed9 tinh x\u1ea3o cao. Do \u0111\u00f3, nhu c\u1ea7u gia c\u00f4ng c\u01a1 kh\u00ed n\u1eb7ng \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u. \u0110\u00fac khu\u00f4n m\u1eabu \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c chi ti\u1ebft y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t nh\u1eb5n, dung sai ch\u1eb7t ch\u1ebd v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i \u1ed5n \u0111\u1ecbnh.<\/p>\n

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

\u0110\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n b\u1eb1ng b\u1ecdt x\u1ed1p<\/strong><\/h3>\n

\u0110\u00fac khu\u00f4n b\u1eb1ng b\u1ecdt x\u1ed1p l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u00fac khu\u00f4n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p bay h\u01a1i. N\u00f3 s\u1eed d\u1ee5ng khu\u00f4n b\u1ecdt x\u1ed1p gi\u00e3n n\u1edf thay v\u00ec khu\u00f4n s\u00e1p. Khu\u00f4n b\u1ecdt x\u1ed1p c\u00f3 h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c gi\u1ed1ng nh\u01b0 s\u1ea3n ph\u1ea9m \u0111\u00fac ho\u00e0n thi\u1ec7n. Sau khi ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 v\u00e0 l\u00e0m kh\u00f4, khu\u00f4n b\u1ecdt x\u1ed1p \u0111\u01b0\u1ee3c \u0111\u1eb7t trong khu\u00f4n \u0111\u00fac v\u00e0 ph\u1ee7 b\u1eb1ng c\u00e1t kh\u00f4.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o m\u1ea5t b\u1ecdt \u0111\u00fac ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\n

Khi kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o khu\u00f4n, kim lo\u1ea1i s\u1ebd l\u00e0m bay h\u01a1i m\u1eabu x\u1ed1p. Kim lo\u1ea1i n\u00f3ng ch\u1ea3y sau \u0111\u00f3 s\u1ebd l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng n\u01a1i m\u1eabu x\u1ed1p tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 t\u1ed3n t\u1ea1i. Sau khi kim lo\u1ea1i ngu\u1ed9i, s\u1ea3n ph\u1ea9m \u0111\u00fac ho\u00e0n thi\u1ec7n \u0111\u01b0\u1ee3c l\u1ea5y ra kh\u1ecfi khu\u00f4n. Kh\u00e1c v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n m\u1eabu (investment casting), m\u1eabu x\u1ed1p kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ea5y ra kh\u1ecfi khu\u00f4n tr\u01b0\u1edbc khi \u0111\u1ed5 kim lo\u1ea1i n\u00f3ng ch\u1ea3y. N\u00f3 s\u1ebd bay h\u01a1i trong kim lo\u1ea1i n\u00f3ng ch\u1ea3y khi kim lo\u1ea1i l\u1ea5p \u0111\u1ea7y khu\u00f4n.<\/p>\n

T\u1ea1i sao ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng?<\/strong><\/h3>\n

\u0110\u00fac khu\u00f4n x\u1ed1p \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho c\u00e1c chi ti\u1ebft r\u1ea5t ph\u1ee9c t\u1ea1p, ch\u1ee9a nhi\u1ec1u l\u00f5i ho\u1eb7c y\u00eau c\u1ea7u nhi\u1ec1u \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p s\u1ea3n xu\u1ea5t c\u00e1c c\u1ea5u tr\u00fac \u0111\u00fac t\u00edch h\u1ee3p, ti\u1ebft ki\u1ec7m c\u00f4ng vi\u1ec7c l\u1eafp r\u00e1p v\u00e0 do \u0111\u00f3 t\u0103ng hi\u1ec7u qu\u1ea3 khi t\u1ea5t c\u1ea3 c\u00e1c giai \u0111o\u1ea1n c\u1ee7a quy tr\u00ecnh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3. \u0110\u00fac khu\u00f4n x\u1ed1p ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c chi ti\u1ebft cho m\u00e1y m\u00f3c, v\u00ed d\u1ee5 nh\u01b0 th\u00e2n b\u01a1m, th\u00e2n van v\u00e0 c\u00e1c chi ti\u1ebft \u0111\u00fac kh\u00e1c nh\u01b0 v\u1ecf v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1 c\u0169ng nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac c\u00f4ng nghi\u1ec7p n\u00f3i chung.<\/p>\n

Nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng gi\u1eefa \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u00fac khu\u00f4n x\u1ed1p<\/strong><\/h2>\n

C\u1ea3 hai \u0111\u1ec1u s\u1eed d\u1ee5ng khu\u00f4n m\u1eabu d\u00f9ng m\u1ed9t l\u1ea7n.<\/strong><\/h3>\n

C\u1ea3 hai quy tr\u00ecnh \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00e1c khu\u00f4n m\u1eabu kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00fac ho\u00e0n ch\u1ec9nh. \u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n m\u1eabu (investment casting), \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p. \u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n m\u1eabu (lost foam casting), \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng khu\u00f4n m\u1eabu b\u1eb1ng x\u1ed1p. C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1edfi khu\u00f4n m\u1eabu.<\/p>\n

C\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p.<\/strong><\/h3>\n

C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng r\u1ea5t ph\u1ee9c t\u1ea1p. T\u1ea5t c\u1ea3 c\u00e1c chi ti\u1ebft b\u00ean trong, b\u1ec1 m\u1eb7t cong, c\u1ea1nh chi ti\u1ebft v\u00e0 h\u00ecnh d\u1ea1ng g\u1ea7n nh\u01b0 ho\u00e0n ch\u1ec9nh \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 t\u1ea1o ra b\u1eb1ng c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p th\u00f4ng qua vi\u1ec7c thi\u1ebft k\u1ebf quy tr\u00ecnh ph\u00f9 h\u1ee3p.<\/p>\n

C\u1ea3 hai \u0111\u1ec1u l\u00e0m gi\u1ea3m y\u00eau c\u1ea7u gia c\u00f4ng.<\/strong><\/h3>\n

C\u1ea3 hai k\u1ef9 thu\u1eadt t\u1ea1o m\u1eabu nhanh \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c chi ti\u1ebft r\u1ea5t tinh x\u1ea3o v\u1edbi h\u00ecnh d\u1ea1ng g\u1ea7n gi\u1ed1ng v\u1edbi chi ti\u1ebft th\u1ef1c t\u1ebf, do \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian gia c\u00f4ng ph\u1ee5 v\u00e0 v\u1eadt li\u1ec7u, \u0111\u1ed3ng th\u1eddi t\u0103ng hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/p>\n

C\u1ea3 hai \u0111\u1ec1u \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u1ec3m so\u00e1t quy tr\u00ecnh ch\u1eb7t ch\u1ebd.<\/strong><\/h3>\n

Hai quy tr\u00ecnh \u0111\u00fac \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd l\u00e0 \u0111\u00fac khu\u00f4n m\u1eabu v\u00e0 \u0111\u00fac khu\u00f4n x\u1ed1p. T\u1ea5t c\u1ea3 c\u00e1c kh\u00eda c\u1ea1nh c\u1ee7a quy tr\u00ecnh \u0111\u00fac \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n ph\u1ea9m \u0111\u00fac ho\u00e0n thi\u1ec7n; bao g\u1ed3m khu\u00f4n m\u1eabu, l\u1edbp ph\u1ee7, chu\u1ea9n b\u1ecb khu\u00f4n, nhi\u1ec7t \u0111\u1ed9, kim lo\u1ea1i v\u00e0 l\u00e0m ngu\u1ed9i.<\/p>\n

 <\/p>\n

\"Nh\u00e0<\/div>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u00fac khu\u00f4n x\u1ed1p<\/strong><\/h2>\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ch\u1ea5t li\u1ec7u hoa v\u0103n<\/strong><\/h3>\n

Trong ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p, ch\u00fang ta s\u1eed d\u1ee5ng khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p \u0111\u1ec3 t\u1ea1o ra khoang c\u1ee7a chi ti\u1ebft \u0111\u00fac. Trong ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p, ch\u00fang ta s\u1eed d\u1ee5ng khu\u00f4n m\u1eabu b\u1eb1ng x\u1ed1p gi\u00e3n n\u1edf. Trong c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac, \u0111\u1ec1u c\u00f3 m\u1ed9t ph\u1ea7n \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u1eb7c ph\u00e1 h\u1ee7y tr\u01b0\u1edbc khi chi ti\u1ebft \u0111\u00fac \u0111\u01b0\u1ee3c t\u1ea1o ra. Trong ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n m\u1eabu b\u1eb1ng s\u00e1p, s\u00e1p \u0111\u01b0\u1ee3c l\u00e0m tan ch\u1ea3y \u0111\u1ec3 t\u1ea1o ra khoang c\u1ee7a chi ti\u1ebft \u0111\u00fac tr\u01b0\u1edbc khi kim lo\u1ea1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o khoang khu\u00f4n. Trong ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p, l\u1edbp x\u1ed1p r\u1eafn \u0111\u01b0\u1ee3c l\u00e0m bay h\u01a1i trong d\u00f2ng kim lo\u1ea1i n\u00f3ng ch\u1ea3y \u0111\u1ed5 v\u00e0o khoang khu\u00f4n.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac khu\u00f4n<\/strong><\/h3>\n

Trong ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng m\u1ed9t l\u1edbp v\u1ecf g\u1ed1m \u0111\u1ec3 l\u00e0m khu\u00f4n. L\u1edbp v\u1ecf n\u00e0y ph\u1ea3i \u0111\u1ee7 ch\u1eafc ch\u1eafn \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c kim lo\u1ea1i n\u00f3ng ch\u1ea3y sau khi s\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf kh\u1ecfi khoang khu\u00f4n. Trong ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p, m\u1ed9t m\u1eabu x\u1ed1p \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o c\u00e1t kh\u00f4. M\u1eabu \u0111\u01b0\u1ee3c n\u00e9n ch\u1eb7t trong c\u00e1t v\u00e0 t\u1ea1o th\u00e0nh v\u1eadt \u0111\u00fac.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t trong vi\u1ec7c lo\u1ea1i b\u1ecf m\u1eabu<\/strong><\/h3>\n

\u0110\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 s\u1eed d\u1ee5ng s\u00e1p trong khu\u00f4n tr\u01b0\u1edbc khi \u0111\u00fac. \u0110\u00fac khu\u00f4n x\u1ed1p m\u1ea5t m\u1eabu s\u1eed d\u1ee5ng m\u1eabu l\u00e0m b\u1eb1ng x\u1ed1p trong khu\u00f4n cho \u0111\u1ebfn khi kim lo\u1ea1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o khu\u00f4n. Sau \u0111\u00f3, m\u1eabu s\u1ebd bi\u1ebfn m\u1ea5t v\u00e0o kim lo\u1ea1i n\u00f3ng ch\u1ea3y khi n\u00f3 l\u1ea5p \u0111\u1ea7y khoang khu\u00f4n.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/strong><\/h3>\n

S\u1ea3n ph\u1ea9m \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n m\u1ecbn v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc v\u01b0\u1ee3t tr\u1ed9i. Ngo\u00e0i ra, c\u0169ng c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac t\u1ed1t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p. Tuy nhi\u00ean, \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, v\u00ed d\u1ee5 nh\u01b0 m\u1eadt \u0111\u1ed9 b\u1ecdt, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7, \u0111\u1ed9 kh\u00f4 c\u1ee7a l\u1edbp ph\u1ee7, c\u00e1ch n\u00e9n c\u00e1t v\u00e0 quy tr\u00ecnh r\u00f3t.<\/p>\n

Ch\u00eanh l\u1ec7ch chi ph\u00ed v\u00e0 s\u1ea3n xu\u1ea5t<\/strong><\/h3>\n

M\u1eb7c d\u00f9 \u0111\u00fac khu\u00f4n m\u1eabu c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 chi ph\u00ed cao trong s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, nh\u01b0ng vi\u1ec7c s\u1eed d\u1ee5ng l\u1edbp v\u1ecf g\u1ed1m trong quy tr\u00ecnh \u0111\u00fac khu\u00f4n m\u1eabu l\u1ea1i l\u00e0m t\u0103ng th\u1eddi gian s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, \u0111\u00fac khu\u00f4n x\u1ed1p c\u00f3 th\u1ec3 r\u1ea5t hi\u1ec7u qu\u1ea3 trong s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p c\u0169ng nh\u01b0 s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. Tuy nhi\u00ean, quy tr\u00ecnh t\u1ea1o khu\u00f4n x\u1ed1p, ph\u1ee7 l\u1edbp, s\u1ea5y kh\u00f4 c\u0169ng nh\u01b0 x\u1eed l\u00fd c\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi thi\u1ebft b\u1ecb t\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n

Thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 c\u00f4ng nghi\u1ec7p cho s\u1ea3n xu\u1ea5t khu\u00f4n x\u1ed1p<\/strong><\/h2>\n

C\u00e1c x\u01b0\u1edfng \u0111\u00fac khi thi\u1ebft l\u1eadp d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t m\u1edbi cho ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p m\u1ea5t (Lost Foam Casting) ho\u1eb7c n\u00e2ng c\u1ea5p c\u00e1c d\u00e2y chuy\u1ec1n hi\u1ec7n c\u00f3 c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady c\u1ee7a thi\u1ebft b\u1ecb. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a khu\u00f4n m\u1eabu, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a l\u1edbp ph\u1ee7, qu\u00e1 tr\u00ecnh s\u1ea5y kh\u00f4, h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00fac.<\/p>\n

C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> Ch\u00fang t\u00f4i l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t, nh\u00e0 cung c\u1ea5p v\u00e0 nh\u00e0 m\u00e1y thi\u1ebft b\u1ecb \u0111\u00fac khu\u00f4n x\u1ed1p m\u1ea5t m\u00e1t h\u00e0ng \u0111\u1ea7u t\u1ea1i Trung Qu\u1ed1c. Ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o thi\u1ebft b\u1ecb \u0111\u00fac khu\u00f4n x\u1ed1p m\u1ea5t m\u00e1t th\u00f4ng minh. C\u00e1c s\u1ea3n ph\u1ea9m thi\u1ebft b\u1ecb \u0111\u00fac khu\u00f4n x\u1ed1p m\u1ea5t m\u00e1t c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m: m\u00e1y l\u00e0m t\u1ea5m x\u1ed1p<\/strong><\/a>Ch\u00fang t\u00f4i cung c\u1ea5p m\u00e1y t\u1ea1o b\u1ecdt s\u01a1 b\u1ed9, silo \u1ee7 b\u1ecdt, m\u00e1y \u0111\u00fac khu\u00f4n b\u1ecdt, m\u00e1y s\u1ea5y kh\u00ed, h\u1ec7 th\u1ed1ng h\u00fat ch\u00e2n kh\u00f4ng trung t\u00e2m, m\u00e1y tr\u1ed9n s\u01a1n ki\u1ec3u n\u00e2ng v\u00e0 c\u00e1c m\u00e1y m\u00f3c s\u1ea3n xu\u1ea5t \u0111\u00fac li\u00ean quan kh\u00e1c cho ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n b\u1ecdt. Ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 chu\u1ea9n b\u1ecb khu\u00f4n b\u1ecdt, ph\u1ee7 l\u1edbp, s\u1ea5y kh\u00f4 v\u00e0 \u0111\u00fac trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng, v.v. Li\u00ean h\u1ec7 v\u1edbi OC Technology h\u00f4m nay<\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

Casting is a major component of modern manufacturing, allowing for complex components to be cast to exacting dimensions with consistent mechanical properties. Many methods of casting are in widespread use, with two of the more notable methods being investment casting and lost foam casting. Both of these manufacturing methods utilize a temporary pattern to create […]<\/p>\n","protected":false},"author":3,"featured_media":5048,"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-5054","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\/5054","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=5054"}],"version-history":[{"count":4,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/5054\/revisions"}],"predecessor-version":[{"id":5061,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/5054\/revisions\/5061"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/5048"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=5054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=5054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=5054"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}