{"id":4391,"date":"2025-06-26T11:50:52","date_gmt":"2025-06-26T03:50:52","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4391"},"modified":"2025-07-01T17:01:08","modified_gmt":"2025-07-01T09:01:08","slug":"cai-gi-la-mat-bot-rong-vo-duc-mot-dot-pha-duc-hien-dai","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/what-is-lost-foam-hollow-shell-casting-a-modern-foundry-breakthrough\/","title":{"rendered":"Lost Foam Hollow-Shell Casting l\u00e0 g\u00ec? M\u1ed9t \u0111\u1ed9t ph\u00e1 \u0111\u00fac hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"

<\/h1>\n

Lost Foam Hollow-Shell Casting l\u00e0 g\u00ec<\/b><\/strong><\/h2>\n

M\u1ea5t b\u1ecdt r\u1ed7ng – \u0111\u00fac v\u1ecf l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u00fac trong \u0111\u00f3 kim lo\u1ea1i n\u00f3ng ch\u1ea3y c\u1ee9ng r\u1eafn trong m\u1ed9t pre – ch\u1ebf t\u1ea1o v\u1ecf r\u1ed7ng b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

\u0110\u00fac v\u1ecf r\u1ed7ng b\u1ecdt b\u1ecb m\u1ea5t s\u1eed d\u1ee5ng m\u1ed9t l\u1edbp ph\u1ee7 m\u1edbi m\u1ea1nh m\u1ebd, ch\u1ed1ng nhi\u1ec7t. N\u00f3 \u0111\u1ed1t ch\u00e1y b\u1ecdt EPS b\u00ean trong khu\u00f4n tr\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t v\u1ecf r\u1ed7ng v\u1edbi r\u1ea5t \u00edt carbon c\u00f2n l\u1ea1i. Sau \u0111\u00f3, kim lo\u1ea1i n\u00f3ng ch\u1ea3y nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t ti\u00ean ti\u1ebfn v\u00e0 th\u1ef1c t\u1ebf. \u0110\u1eb7c \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh. T\u1eeb vi\u1ec7c t\u1ea1o m\u00f4 h\u00ecnh \u0111\u1ebfn \u0111\u1ed5 \u0111\u00fac, n\u00f3 \u0111\u01a1n gi\u1ea3n, \u0111\u00e1ng tin c\u1eady, nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3 v\u00e0 chi ph\u00ed th\u1ea5p. N\u00f3 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 c\u00e1c khuy\u1ebft t\u1eadt carbon g\u00e2y ra b\u1edfi EPS. K\u1ebft qu\u1ea3 l\u00e0 \u0111\u00fac ch\u1ea5t l\u01b0\u1ee3ng cao, g\u1ea7n v\u1edbi m\u1ee9c \u0111\u1ed9 \u0111\u00fac ch\u00ednh x\u00e1c \u0111\u1ea7u t\u01b0.<\/p>\n

\"M\u1ea5t<\/p>\n

So v\u1edbi \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t truy\u1ec1n th\u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi trong nhi\u1ec1u n\u0103m, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u00eam m\u1ed9t b\u01b0\u1edbc d\u1ec5 d\u00e0ng. Ch\u1ec9 v\u00e0i ph\u00fat tr\u01b0\u1edbc khi \u0111\u1ed5, b\u1ecdt EPS b\u1ecb \u0111\u1ed1t ch\u00e1y. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra b\u1eb1ng c\u00e1ch th\u1eafp l\u1eeda \u1edf sprue v\u00e0 riser. T\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc kh\u00e1c \u0111\u1ec1u gi\u1ed1ng nh\u01b0 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t th\u01b0\u1eddng xuy\u00ean. Kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i ho\u1eb7c c\u00f4ng c\u1ee5 b\u1ed5 sung. Mi\u1ec5n l\u00e0 c\u00f3 kh\u00ed d\u1ec5 ch\u00e1y, b\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ed1t tr\u01b0\u1edbc khi \u0111\u1ed5. Qu\u00e1 tr\u00ecnh \u0111\u01a1n gi\u1ea3n v\u00e0 thu\u1eadn ti\u1ec7n.<\/p>\n

Qu\u00e1 tr\u00ecnh b\u1ecf qua c\u00e1c b\u1ec1 m\u1eb7t t\u00e1ch v\u00e0 l\u00f5i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac c\u00e1t c\u0169. N\u00f3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u0111\u00fac v\u00e0 \u0111\u1ed9 m\u1ecbn b\u1ec1 m\u1eb7t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, s\u1ea3n xu\u1ea5t \u00f4 t\u00f4, qu\u00e2n s\u1ef1 v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 cao kh\u00e1c.<\/p>\n

D\u00f2ng ch\u1ea3y quy tr\u00ecnh<\/b><\/strong><\/h2>\n

Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt r\u1ed7ng m\u1ea5t bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n xu\u1ea5t \u0111\u00fac ch\u1ea5t l\u01b0\u1ee3ng cao:<\/p>\n

Chu\u1ea9n b\u1ecb m\u00f4 h\u00ecnh b\u1ecdt<\/strong>:
\nC\u00e1c h\u1ea1t EPS, STMMA ho\u1eb7c EPMMA \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh b\u1ecdt gi\u1ed1ng nhau v\u1edbi \u0111\u00fac th\u00f4ng qua t\u1ea1o b\u1ecdt tr\u01b0\u1edbc, l\u00e3o h\u00f3a v\u00e0 \u0111\u00fac. B\u01b0\u1edbc n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh h\u00ecnh m\u00f4 h\u00ecnh b\u1ecdt th\u00e0nh h\u00ecnh h\u1ecdc mong mu\u1ed1n c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n

\u1ee8ng d\u1ee5ng l\u1edbp ph\u1ee7<\/strong>:
\nM\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c ph\u1ee7 nhi\u1ec1u l\u1edbp l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y v\u00e0 kh\u00f4 \u0111\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t v\u1ecf g\u1ed1m c\u01b0\u1eddng \u0111\u1ed9 cao. L\u1edbp ph\u1ee7 n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac trong qu\u00e1 tr\u00ecnh \u0111\u00fac.<\/p>\n

\"M\u1ea5t<\/p>\n

H\u00ecnh th\u00e0nh v\u1ecf r\u1ed7ng<\/strong>:
\nM\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ebfn 650-800 \u00b0 C \u0111\u1ec3 kh\u00ed h\u00f3a \u0111\u1ea7y \u0111\u1ee7 b\u1ecdt, \u0111\u1ec3 l\u1ea1i m\u1ed9t v\u1ecf g\u1ed1m r\u1ed7ng. B\u01b0\u1edbc n\u00e0y t\u1ea1o ra khoang khu\u00f4n c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ed5 kim lo\u1ea1i.<\/p>\n

\u00c1p su\u1ea5t ti\u00eau c\u1ef1c \u0111\u1ed5<\/strong>:
\nKim lo\u1ea1i n\u00f3ng ch\u1ea3y nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o v\u1ecf d\u01b0\u1edbi \u00e1p su\u1ea5t ti\u00eau c\u1ef1c c\u00e1t kh\u00f4, thay th\u1ebf b\u1ecdt v\u00e0 l\u00e0m c\u1ee9ng. \u00c1p su\u1ea5t \u00e2m \u0111\u1ea3m b\u1ea3o l\u1ea5p \u0111\u1ea7y kim lo\u1ea1i tr\u01a1n tru v\u00e0o c\u00e1c chi ti\u1ebft khu\u00f4n ph\u1ee9c t\u1ea1p.<\/p>\n

\"M\u1ea5t<\/p>\n

L\u00e0m m\u00e1t v\u00e0 l\u00e0m s\u1ea1ch<\/strong>:
\nSau khi l\u00e0m m\u00e1t, v\u1ecf g\u1ed1m \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1eb1ng rung ho\u1eb7c \u00e1p su\u1ea5t n\u01b0\u1edbc, ti\u1ebfp theo l\u00e0 gia c\u00f4ng cu\u1ed1i c\u00f9ng. B\u01b0\u1edbc n\u00e0y ti\u1ebft l\u1ed9 \u0111\u00fac ho\u00e0n th\u00e0nh s\u1eb5n s\u00e0ng cho b\u1ea5t k\u1ef3 x\u1eed l\u00fd b\u1ed5 sung n\u00e0o.<\/p>\n

\u1ee8ng d\u1ee5ng<\/b><\/strong><\/h2>\n

\u0110\u00fac b\u1ecdt r\u1ed7ng c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau:<\/p>\n

H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/b><\/strong><\/h3>\n

C\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p nh\u01b0 l\u01b0\u1ee1i \u0111\u1ed9ng c\u01a1 m\u00e1y bay, v\u00f2i phun t\u00ean l\u1eeda v\u00e0 bu\u1ed3ng \u0111\u1ed1t \u0111\u01b0\u1ee3c l\u00e0m theo c\u00e1ch n\u00e0y. Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f3 kh\u0103n t\u1ed1t.<\/p>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4<\/b><\/strong><\/h3>\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p h\u1ee3p kim nh\u00f4m v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn l\u00e1i \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb qu\u00e1 tr\u00ecnh n\u00e0y. N\u00f3 kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 l\u1ed7. N\u00f3 c\u0169ng h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf \u00e1nh s\u00e1ng.<\/p>\n

L\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng<\/b><\/strong><\/h3>\n

C\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh cho thi\u1ebft b\u1ecb \u0111i\u1ec7n gi\u00f3 v\u00e0 c\u1ea5u tr\u00fac l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y. N\u00f3 cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t v\u1eddi.<\/p>\n

Thu\u1eadn l\u1ee3i<\/b><\/strong><\/h2>\n

\u0110\u00fac b\u1ecdt r\u1ed7ng c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch:<\/p>\n

\u0110\u1ed9 ch\u00ednh x\u00e1c cao<\/b><\/strong><\/h3>\n

N\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00ean \u0111\u1ebfn CT7-9. \u0110\u1ed9 m\u1ecbn c\u1ee7a b\u1ec1 m\u1eb7t l\u00e0 t\u1ed1t nh\u01b0 Ra3.2-12.5\u03bcm. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m nhu c\u1ea7u sau gia c\u00f4ng 40-50%.<\/p>\n

H\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p<\/b><\/strong><\/h3>\n

Kh\u00f4ng c\u1ea7n cores. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p d\u1ec5 d\u00e0ng t\u1ea1o ra kh\u00f4ng gian b\u00ean trong kh\u00f3 kh\u0103n, t\u01b0\u1eddng m\u1ecfng v\u00e0 kho\u1ea3ng tr\u1ed1ng s\u00e2u. \u0110i\u1ec1u n\u00e0y kh\u00f3 kh\u0103n v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u0169.<\/p>\n

Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng & Th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/b><\/strong><\/h3>\n

Vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng c\u00e1t kh\u00f4 l\u00e0 h\u01a1n 95%. Kh\u00f4ng c\u00f3 ch\u1ea5t li\u00ean k\u1ebft h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. kh\u00ed th\u1ea3i th\u1ea5p. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn xanh.<\/p>\n

Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/b><\/strong><\/h3>\n

Kh\u00f4ng c\u1ea7n khu\u00f4n g\u1ed7 \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u1ed9t m\u1ea3nh. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m chi ph\u00ed h\u01a1n 30% trong s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn.<\/p>\n

Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/b><\/strong><\/h2>\n

Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 ch\u00eca kh\u00f3a trong \u0111\u00fac b\u1ecdt r\u1ed7ng. N\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh:<\/p>\n

Ti\u00eau chu\u1ea9n m\u00f4 h\u00ecnh b\u1ecdt<\/b><\/strong><\/h3>\n

M\u1eadt \u0111\u1ed9 b\u1ecdt \u0111\u01b0\u1ee3c gi\u1eef \u1edf 0,018-0,025g \/ cm\u00b3. T\u1ef7 l\u1ec7 tr\u01b0\u1edbc b\u1ecdt l\u00e0 30-40x. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd.<\/p>\n

C\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh l\u1edbp ph\u1ee7<\/b><\/strong><\/h3>\n

\u0110\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 quan tr\u1ecdng. S\u01a1n b\u1ec1 m\u1eb7t l\u00e0 0,5-1mm. L\u1edbp ph\u1ee7 sau t\u1ed5ng c\u1ed9ng 3-7,5mm. S\u1ea5y x\u1ea3y ra \u1edf 51-65 \u2103. \u0110\u1ed9 \u1ea9m l\u00e0 60-70%.<\/p>\n

Th\u00f4ng s\u1ed1 \u0111\u1ed5<\/b><\/strong><\/h3>\n

Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed5 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp 30-50 \u2103 cao h\u01a1n \u0111\u00fac c\u00e1t. \u00c1p su\u1ea5t \u00e2m \u1edf m\u1ee9c 0,04-0,06MPa. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n

Nh\u1eefng ki\u1ec3m so\u00e1t nghi\u00eam ng\u1eb7t n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u00fac \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p nghi\u00eam ng\u1eb7t. Ch\u00fang gi\u1ea3m thi\u1ec3u l\u1ed7i ho\u1eb7c l\u1ed7i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n

\"M\u1ea5t<\/p>\n

Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 b\u1eb1ng s\u00e1ng ch\u1ebf<\/b><\/strong><\/h2>\n

\u0110\u00fac v\u1ecf r\u1ed7ng b\u1ecdt b\u1ecb m\u1ea5t tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u nghi\u00eam ng\u1eb7t. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 tin c\u1eady. ISO 16468:2025 thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc cho \u0111\u00fac ch\u00ednh x\u00e1c. JB \/ T 14561-2025 bao g\u1ed3m c\u00e1c ti\u00eau chu\u1ea9n d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. C\u00e1c quy t\u1eafc n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Ch\u00fang cho ph\u00e9p s\u1eed d\u1ee5ng tr\u01a1n tru trong chu\u1ed7i cung \u1ee9ng to\u00e0n c\u1ea7u. Qu\u00e1 tr\u00ecnh n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng s\u00e1ng ch\u1ebf. Ch\u00fang b\u1ea3o v\u1ec7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi c\u1ee7a n\u00f3. Ch\u1ec9 c\u00f3 c\u00e1c nh\u00f3m \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t m\u1edbi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y. \u0110i\u1ec1u n\u00e0y b\u1ea3o v\u1ec7 c\u00e1c \u00fd t\u01b0\u1edfng trong khi khuy\u1ebfn kh\u00edch nghi\u00ean c\u1ee9u nhi\u1ec1u h\u01a1n.<\/p>\n

An to\u00e0n v\u00e0 tu\u00e2n th\u1ee7 m\u00f4i tr\u01b0\u1eddng<\/b><\/strong><\/h2>\n

C\u00e1c quy t\u1eafc an to\u00e0n r\u1ea5t quan tr\u1ecdng trong \u0111\u00fac b\u1ecdt r\u1ed7ng b\u1ecb m\u1ea5t. C\u00f4ng nh\u00e2n ph\u1ea3i \u0111eo thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n b\u1ecfng t\u1eeb v\u1eadt li\u1ec7u n\u00f3ng. Ch\u0103m s\u00f3c thi\u1ebft b\u1ecb c\u0169ng l\u00e0 ch\u00eca kh\u00f3a. Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean gi\u1eef cho h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t \u00e2m \u1ed5n \u0111\u1ecbnh trong khi s\u1eed d\u1ee5ng.<\/p>\n

S\u1ef1 tu\u00e2n th\u1ee7 m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t s\u1ee9c m\u1ea1nh l\u1edbn. Vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng c\u00e1t kh\u00f4 l\u00e0 h\u01a1n 95%. \u0110i\u1ec1u n\u00e0y c\u1eaft gi\u1ea3m ch\u1ea5t th\u1ea3i r\u1ea5t nhi\u1ec1u. Kh\u00f4ng c\u00f3 ch\u1ea5t li\u00ean k\u1ebft h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m kh\u00ed th\u1ea3i c\u00f3 h\u1ea1i. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng gi\u1ea3i ph\u00f3ng n\u01b0\u1edbc th\u1ea3i. N\u00f3 s\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee5c h\u1ed3i nhi\u1ec7t n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00f2ng k\u00edn. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y s\u1ef1 t\u1eadp trung c\u1ee7a n\u00f3 v\u00e0o vi\u1ec7c th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p v\u00e0 xu h\u01b0\u1edbng nghi\u00ean c\u1ee9u<\/b><\/strong><\/h2>\n

Trung Qu\u1ed1c d\u1eabn \u0111\u1ea7u th\u1ebf gi\u1edbi trong s\u1ea3n xu\u1ea5t \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. S\u1ea3n l\u01b0\u1ee3ng d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u1ea1t 1 tri\u1ec7u t\u1ea5n v\u00e0o n\u0103m 2025. C\u00e1c \u0111\u1ed9i nh\u01b0 Liu Yuman \u0111ang th\u00fac \u0111\u1ea9y ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n. H\u1ecd t\u1eadp trung v\u00e0o th\u1ef1c ti\u1ec5n xanh. \u1ede c\u00e1c n\u01b0\u1edbc ph\u01b0\u01a1ng T\u00e2y, nghi\u00ean c\u1ee9u nh\u1eafm m\u1ee5c ti\u00eau \u0111\u00fac h\u1ee3p kim nh\u00f4m nh\u1eb9 cho xe h\u01a1i. Nh\u1eadt B\u1ea3n k\u1ebft h\u1ee3p c\u00f4ng ngh\u1ec7 V-process v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ecdt b\u1ecb m\u1ea5t. \u0110i\u1ec1u n\u00e0y t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u h\u1ecdc thu\u1eadt ti\u1ebfp t\u1ee5c th\u00fac \u0111\u1ea9y l\u0129nh v\u1ef1c n\u00e0y. Nghi\u00ean c\u1ee9u v\u1ec1 s\u1ef1 ph\u00e1 v\u1ee1 b\u1ecdt nh\u1eb1m c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh kh\u00ed h\u00f3a. C\u00f4ng vi\u1ec7c tr\u00ean h\u1ed7n h\u1ee3p l\u1edbp ph\u1ee7 t\u00ecm c\u00e1ch t\u0103ng c\u01b0\u1eddng v\u1ecf g\u1ed1m. N\u00f3 c\u0169ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea7y rung t\u1ea7n s\u1ed1 cao \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. Ch\u00fang \u0111\u1ea3m b\u1ea3o ngay c\u1ea3 d\u00f2ng ch\u1ea3y kim lo\u1ea1i v\u00e0o kh\u00f4ng gian khu\u00f4n ph\u1ee9c t\u1ea1p.<\/p>\n

Ch\u1ecdn Hangzhou Ouchen Technology Co., LTD Thi\u1ebft b\u1ecb EPC<\/b><\/strong><\/h2>\n

\"M\u1ea5t<\/p>\n

C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen <\/b><\/u><\/strong><\/a>l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u c\u1ee7a thi\u1ebft b\u1ecb th\u00f4ng minh cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. N\u00f3 c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i th\u1ecb tr\u1ea5n Xindeng c\u1ee7a qu\u1eadn Fuyang c\u1ee7a Hangzhou. V\u1ecb tr\u00ed cung c\u1ea5p giao th\u00f4ng d\u1ec5 d\u00e0ng. N\u00f3 g\u1ea7n khu v\u1ef1c s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb EPS ch\u00ednh c\u1ee7a Trung Qu\u1ed1c. C\u00f4ng ty k\u1ebft h\u1ee3p c\u00f4ng ngh\u1ec7 EPS \/ EPP c\u1ee7a \u0110\u1ee9c v\u1edbi b\u1eb1ng s\u00e1ng ch\u1ebf c\u1ee7a ri\u00eang m\u00ecnh. N\u00f3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn. Ch\u00fang t\u1eadp trung v\u00e0o hi\u1ec7u qu\u1ea3 v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n

C\u00f4ng ty’ thi\u1ebft b\u1ecb s bao g\u1ed3m m\u1ecdi giai \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t:<\/p>\n

M\u00e1y t\u1ea1o ti\u1ec1n tr\u01b0\u1edbc<\/u><\/strong><\/a>: Nh\u1eefng m\u00e1y n\u00e0y s\u1eed d\u1ee5ng s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o b\u1ecdt \u0111i\u1ec7n t\u1eeb v\u00e0 h\u01a1i n\u01b0\u1edbc \u0111\u1ec3 chu\u1ea9n b\u1ecb h\u1ea1t ch\u00ednh x\u00e1c. C\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u0111i\u1ec1u khi\u1ec3n PLC v\u00e0 gi\u00e1m s\u00e1t t\u1eeb xa \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

Silo tr\u01b0\u1edfng th\u00e0nh<\/u><\/strong><\/a>C\u00e1c silo n\u00e0y c\u00e2n b\u1eb1ng \u00e1p su\u1ea5t h\u1ea1t b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i th\u00f4ng qua th\u1eddi gian tr\u01b0\u1edfng th\u00e0nh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. C\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng minh lo\u1ea1i b\u1ecf r\u1ee7i ro \u0111i\u1ec7n t\u0129nh trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n h\u1ea1t.<\/p>\n

M\u00e1y t\u1ea1o h\u00ecnh th\u1ee7y l\u1ef1c<\/u><\/strong><\/a>: C\u00e1c t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn bao g\u1ed3m h\u1ec7 th\u1ed1ng ph\u1ee5c h\u1ed3i n\u0103ng l\u01b0\u1ee3ng l\u00e0m m\u00e1t ch\u00e2n kh\u00f4ng v\u00e0 l\u01b0u tr\u1eef th\u00f4ng s\u1ed1 t\u1ef1 \u0111\u1ed9ng cho s\u1ea3n xu\u1ea5t khu\u00f4n tr\u1eafng nh\u1ea5t qu\u00e1n.<\/p>\n

H\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m<\/u><\/strong><\/a>: C\u00e1c \u0111\u01a1n v\u1ecb n\u00e0y duy tr\u00ec \u00e1p su\u1ea5t \u00e2m \u1ed5n \u0111\u1ecbnh c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ed5 kim lo\u1ea1i hi\u1ec7u qu\u1ea3. Thi\u1ebft k\u1ebf ph\u1ee5c h\u1ed3i nhi\u1ec7t v\u00f2ng k\u00edn nh\u1ea5n m\u1ea1nh tr\u00e1ch nhi\u1ec7m m\u00f4i tr\u01b0\u1eddng.<\/p>\n

S\u01a1n s\u01a1n<\/u><\/strong><\/a>: M\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng l\u1edbp ph\u1ee7 ngay c\u1ea3 tr\u00ean c\u00e1c m\u00f4 h\u00ecnh b\u1ecdt, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u1ecf g\u1ed1m.<\/p>\n

Ch\u1ecdn Hangzhou Ouchen Technology Co., LTD<\/b><\/u><\/strong><\/a>thi\u1ebft b\u1ecb EPC. C\u00e1c doanh nghi\u1ec7p nh\u1eadn \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m h\u00e0ng \u0111\u1ea7u. Ch\u00fang c\u0169ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 xanh nghi\u00eam ng\u1eb7t.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

What is Lost Foam Hollow-Shell Casting Lost foam hollow – shell casting is a casting process in which molten metal solidifies in a pre – fabricated lost foam hollow shell. Lost foam hollow-shell casting uses a strong, heat-resistant new coating. It burns away the EPS foam inside the mold first. This creates a hollow shell […]<\/p>\n","protected":false},"author":3,"featured_media":4393,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"What Is Lost Foam Hollow-Shell Casting? A Modern Foundry Breakthrough","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-4391","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\/4391","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=4391"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4391\/revisions"}],"predecessor-version":[{"id":4397,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4391\/revisions\/4397"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4393"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4391"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}