{"id":4941,"date":"2026-04-10T00:00:07","date_gmt":"2026-04-09T16:00:07","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4941"},"modified":"2026-04-08T15:32:07","modified_gmt":"2026-04-08T07:32:07","slug":"lam-the-nao-mot-xuong-duc-co-the-da-dang-hoa-sang-linh-vuc-duc-khuon-xop-voi-chi-phi-thap","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/company-news\/how-a-foundry-can-diversify-into-lost-foam-casting-at-low-cost\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o m\u1ed9t x\u01b0\u1edfng \u0111\u00fac c\u00f3 th\u1ec3 \u0111a d\u1ea1ng h\u00f3a sang l\u0129nh v\u1ef1c \u0111\u00fac khu\u00f4n x\u1ed1p v\u1edbi chi ph\u00ed th\u1ea5p?"},"content":{"rendered":"

M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u00e0ng cho c\u00e1c x\u01b0\u1edfng \u0111\u00fac kim lo\u1ea1i mu\u1ed1n c\u00f3 s\u1ef1 linh ho\u1ea1t h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 cao h\u01a1n. Quy tr\u00ecnh cho ph\u00e9p t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p, c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 h\u00ecnh d\u1ea1ng g\u1ea7n nh\u01b0 ho\u00e0n ch\u1ec9nh, v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng, nh\u00e2n c\u00f4ng, v\u1eadt li\u1ec7u v\u00e0 t\u1ed5ng chi ph\u00ed so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng. Tuy nhi\u00ean, nhi\u1ec1u x\u01b0\u1edfng \u0111\u00fac v\u1eabn c\u00f2n l\u01b0\u1ee1ng l\u1ef1 v\u00ec cho r\u1eb1ng n\u00f3 c\u1ea7n chi ti\u00eau l\u1edbn cho c\u00e1c d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng v\u00e0 d\u1ee5ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t. Tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c chuy\u1ec3n sang \u0111\u00fac khu\u00f4n x\u1ed1p ch\u1ec9 c\u1ea7n r\u1ea5t \u00edt v\u1ed1n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u. C\u00e1c x\u01b0\u1edfng \u0111\u00fac s\u1ea3n xu\u1ea5t s\u1eaft, th\u00e9p, nh\u00f4m ho\u1eb7c \u0111\u1ed3ng thau c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c nguy\u00ean m\u1eabu v\u00e0 c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t nh\u1ecf. H\u1ecd s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01a1n gi\u1ea3n v\u00e0 thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3 c\u1ee7a m\u00ecnh.<\/p>\n

\"X\u01b0\u1edfng<\/p>\n

L\u1ee3i th\u1ebf c\u1ee7a b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n

M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p ch\u1ebf t\u1ea1o c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p v\u1edbi c\u00e1c r\u00e3nh b\u00ean trong, l\u1ed7 k\u00edn v\u00e0 v\u1ecb tr\u00ed ch\u00ednh x\u00e1c. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y th\u01b0\u1eddng kh\u00f3 ho\u1eb7c t\u1ed1n k\u00e9m trong c\u00e1c quy tr\u00ecnh \u0111\u00fac khu\u00f4n c\u00e1t ho\u1eb7c kh\u00f4ng nung ti\u00eau chu\u1ea9n. C\u00e1c nghi\u00ean c\u1ee9u cho th\u1ea5y ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng t\u1eeb 25 \u0111\u1ebfn 30%, t\u0103ng n\u0103ng su\u1ea5t lao \u0111\u1ed9ng 46%, gi\u1ea3m v\u1eadt li\u1ec7u 7% v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200b20 \u0111\u1ebfn 25%. Quy tr\u00ecnh n\u00e0y c\u0169ng t\u1ea1o ra \u00edt ch\u1ea5t th\u1ea3i r\u1eafn h\u01a1n, \u00edt h\u1ea1t b\u1ee5i trong kh\u00f4ng kh\u00ed h\u01a1n v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i nh\u00e0 k\u00ednh.<\/p>\n

Sai s\u1ed1 th\u01b0\u1eddng \u0111\u1ea1t +\/- 0,003 inch tr\u00ean m\u1ed7i inch. C\u00e1c thi\u1ebft l\u1eadp t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u0111\u1ea1t +\/- 0,002 inch tr\u00ean m\u1ed7i inch. C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac gang d\u1ebbo th\u00e0nh m\u1ecfng cho th\u1ea5y kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n n\u1eefa, xu\u1ed1ng \u0111\u1ebfn +\/- 0,0015 inch \u1edf \u0111\u1ed9 d\u00e0y th\u00e0nh 0,040 inch. \u0110\u1ed9 ch\u00ednh x\u00e1c n\u00e0y th\u01b0\u1eddng lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m thi\u1ec3u c\u00f4ng \u0111o\u1ea1n gia c\u00f4ng sau khi \u0111\u00fac. Chi ph\u00ed ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c gi\u1ea3m gia c\u00f4ng b\u00f9 \u0111\u1eafp cho b\u1ea5t k\u1ef3 sai l\u1ec7ch nh\u1ecf n\u00e0o trong quy tr\u00ecnh.<\/p>\n

C\u00e1c chi ti\u1ebft \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p c\u00f3 g\u00f3c nghi\u00eang b\u1eb1ng kh\u00f4ng ho\u1eb7c g\u00f3c nghi\u00eang xen k\u1ebd. Ren \u0111\u00fac c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c v\u1edbi k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p. V\u00ec kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 truy\u1ec1n th\u1ed1ng, c\u00e1c x\u01b0\u1edfng \u0111\u00fac c\u00f3 th\u1ec3 gia c\u00f4ng tr\u1ef1c ti\u1ebfp c\u00e1c khu\u00f4n x\u1ed1p \u0111\u1ec3 t\u1ea1o nguy\u00ean m\u1eabu nhanh ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf. T\u1ef7 l\u1ec7 s\u1ea3n ph\u1ea9m \u0111\u00fac \u0111\u1ea1t tr\u00ean 70%\u2014v\u00e0 th\u01b0\u1eddng l\u00e0 80%\u2014khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng d\u1eabn li\u1ec7u gi\u00fap kim lo\u1ea1i ch\u1ea3y t\u1ed1t.<\/p>\n

B\u01b0\u1edbc \u0111\u1ec3 th\u1eed Lost Foam<\/strong><\/h2>\n

Quy tr\u00ecnh \u0111\u00fac khu\u00f4n x\u1ed1p c\u01a1 b\u1ea3n bao g\u1ed3m t\u1ea1o khu\u00f4n x\u1ed1p, ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7, \u0111\u1eb7t khu\u00f4n v\u00e0o c\u00e1t kh\u00f4ng li\u00ean k\u1ebft, v\u00e0 \u0111\u1ed5 kim lo\u1ea1i n\u00f3ng ch\u1ea3y v\u00e0o \u0111\u1ec3 bi\u1ebfn khu\u00f4n th\u00e0nh d\u1ea1ng h\u01a1i. \u0110\u1ec3 c\u00f3 v\u1ed1n \u0111\u1ea7u t\u01b0 th\u1ea5p, c\u00e1c x\u01b0\u1edfng \u0111\u00fac gia c\u00f4ng khu\u00f4n t\u1eeb ph\u00f4i x\u1ed1p v\u00e0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e9n th\u1ee7 c\u00f4ng thay v\u00ec mua thi\u1ebft b\u1ecb ho\u1eb7c khu\u00f4n t\u1ef1 \u0111\u1ed9ng.<\/p>\n

B\u01b0\u1edbc 1: Nh\u1eadn Foam<\/strong><\/h3>\n

X\u1ed1p polystyrene gi\u00e3n n\u1edf (EPS) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u00ednh. M\u1eadt \u0111\u1ed9 l\u00fd t\u01b0\u1edfng n\u1eb1m trong kho\u1ea3ng t\u1eeb 1 \u0111\u1ebfn 1,5 pound tr\u00ean m\u1ed7i foot kh\u1ed1i. \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c c\u1ea7n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u00e0m l\u01b0\u1ee3ng carbon trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac gang, c\u00e1c lo\u1ea1i x\u1ed1p \u0111\u1ed3ng tr\u00f9ng h\u1ee3p k\u1ebft h\u1ee3p EPS v\u00e0 polymethyl methacrylate cho k\u1ebft qu\u1ea3 t\u1ed1t. X\u1ed1p ph\u1ea3i \u1edf d\u1ea1ng kh\u1ed1i ph\u00f9 h\u1ee3p v\u1edbi qu\u00e1 tr\u00ecnh gia c\u00f4ng.<\/p>\n

An to\u00e0n v\u1eabn l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. B\u1ecdt \u0111\u00fac kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee9a ch\u1ea5t ch\u1ed1ng ch\u00e1y v\u00ec ch\u00fang c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u1ed5 trong qu\u00e1 tr\u00ecnh r\u00f3t. Nh\u00e0 cung c\u1ea5p c\u1ea7n x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 ch\u1ea5t ch\u1ed1ng ch\u00e1y n\u00e0o. C\u00e1c x\u01b0\u1edfng \u0111\u00fac c\u0169ng n\u00ean t\u1ef1 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ch\u1ed1ng ch\u00e1y. B\u1ecdt \u0111\u00fac m\u1edbi c\u1ea7n \u0111\u01b0\u1ee3c \u1ee7 \u00edt nh\u1ea5t ba tu\u1ea7n \u0111\u1ec3 k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh khi \u0111\u1ed9 \u1ea9m c\u00f2n l\u1ea1i bay h\u01a1i.<\/p>\n

B\u01b0\u1edbc 2: Gia c\u00f4ng m\u1eabu<\/strong><\/h3>\n

M\u00e1y CNC t\u1ea1o ra hoa v\u0103n t\u1eeb c\u00e1c kh\u1ed1i x\u1ed1p. T\u1ed1c \u0111\u1ed9 c\u1eaft, \u0111\u1ed9 s\u00e2u c\u1eaft v\u00e0 t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao ph\u00f9 h\u1ee3p s\u1ebd tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng r\u00e1ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c lo\u1ea1i x\u1ed1p c\u00f3 h\u1ea1t. T\u1ed1c \u0111\u1ed9 tr\u1ee5c ch\u00ednh cao h\u01a1n v\u1edbi \u0111\u1ed9 s\u00e2u c\u1eaft nh\u1eb9 h\u01a1n s\u1ebd t\u1ea1o ra b\u1ec1 m\u1eb7t s\u1ea1ch v\u00e0 c\u00e1c m\u1ea3nh v\u1ee5n nh\u1ecf thay v\u00ec c\u00e1c h\u1ea1t b\u1ecb k\u00e9o ra.<\/p>\n

Nh\u1eefng thay \u0111\u1ed5i trong thi\u1ebft k\u1ebf ch\u1ec9 bao g\u1ed3m s\u1ef1 co ng\u00f3t c\u1ee7a kim lo\u1ea1i. H\u1ec7 th\u1ed1ng \u0111\u1ee1 b\u1eb1ng c\u00e1t ch\u1eafc ch\u1eafn lo\u1ea1i b\u1ecf m\u1ecdi chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a th\u00e0nh khu\u00f4n. H\u1ee3p kim nh\u00f4m c\u00f3 th\u1ec3 c\u1ea7n th\u00eam \u1ed1ng d\u1eabn ho\u1eb7c s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng r\u00f3t kim lo\u1ea1i l\u00e0m \u1ed1ng d\u1eabn do \u0111\u1ed9 co ng\u00f3t khi \u0111\u00f4ng \u0111\u1eb7c cao h\u01a1n. H\u1ee3p kim s\u1eaft th\u01b0\u1eddng kh\u00f4ng c\u1ea7n \u1ed1ng d\u1eabn. C\u00e1ch n\u00e0y gi\u00fap chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng t\u1eeb m\u00f4 h\u00ecnh CAD sang m\u1eabu th\u1ef1c t\u1ebf.<\/p>\n

B\u01b0\u1edbc 3: K\u1ebft d\u00ednh<\/strong><\/h3>\n

C\u00e1c m\u1ea3nh x\u1ed1p d\u1ec5 d\u00e0ng gh\u00e9p n\u1ed1i v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c c\u1ee5m ph\u1ee9c t\u1ea1p v\u1edbi c\u00e1c chi ti\u1ebft b\u00ean trong ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn l\u1ed3ng v\u00e0o nhau. Keo d\u00e1n th\u00f4ng th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c th\u1eed nghi\u1ec7m. Keo d\u00e1n n\u00f3ng ch\u1ea3y chuy\u00ean d\u1ee5ng d\u00e0nh cho x\u1ed1p cho m\u1ed1i n\u1ed1i ch\u1eafc ch\u1eafn v\u00e0 s\u1ea1ch h\u01a1n. M\u1ed9t l\u01b0\u1ee3ng nh\u1ecf keo d\u00e1n gi\u00fap gi\u1ea3m thi\u1ec3u kh\u00ed sinh ra v\u00e0 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ec1 m\u1eb7t tr\u00ean s\u1ea3n ph\u1ea9m \u0111\u00fac ho\u00e0n thi\u1ec7n.<\/p>\n

B\u01b0\u1edbc 4: Nh\u00f3m<\/strong><\/h3>\n

H\u1ec7 th\u1ed1ng d\u1eabn nh\u1ef1a s\u1eed d\u1ee5ng c\u00e1c \u1ed1ng d\u1eabn b\u1eb1ng g\u1ed1m ti\u00eau hao \u0111\u01b0\u1ee3c d\u00e1n v\u00e0o c\u00e1c \u0111\u01b0\u1eddng d\u1eabn v\u00e0 c\u1ed5ng d\u1eabn b\u1eb1ng x\u1ed1p. Kh\u00f4ng c\u00f3 t\u1ef7 l\u1ec7 d\u1eabn nh\u1ef1a ti\u00eau chu\u1ea9n n\u00e0o \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, v\u00e0 c\u00e1c \u0111i\u1ec3m t\u1eafc ngh\u1ebdn ph\u1ea3i tr\u00e1nh xa. C\u00e1c m\u1eabu c\u00f3 th\u1ec3 l\u1ea5y t\u1eeb kho ho\u1eb7c \u0111\u01b0\u1ee3c sao ch\u00e9p khi c\u1ea7n thi\u1ebft.<\/p>\n

C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac nh\u00f4m th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u1ea5p li\u1ec7u t\u1eeb tr\u00ean xu\u1ed1ng. S\u1eaft, th\u00e9p v\u00e0 \u0111\u1ed3ng thau th\u01b0\u1eddng th\u00edch ph\u01b0\u01a1ng ph\u00e1p c\u1ea5p li\u1ec7u t\u1eeb d\u01b0\u1edbi l\u00ean. C\u00e1c chi ti\u1ebft c\u1ea7n \u0111\u01b0\u1ee3c nghi\u00eang nh\u1eb9 \u0111\u1ec3 gi\u00fap c\u00e1t ch\u1ea3y v\u00e0o m\u1ecdi ng\u00f3c ng\u00e1ch. C\u00e1t ch\u1ec9 di chuy\u1ec3n \u0111\u01b0\u1ee3c m\u1ed9t qu\u00e3ng ng\u1eafn khi l\u00ean d\u1ed1c, v\u00ec v\u1eady thi\u1ebft k\u1ebf t\u1eadp trung v\u00e0o vi\u1ec7c c\u1ea5p li\u1ec7u b\u1eb1ng tr\u1ecdng l\u1ef1c. H\u1ec7 th\u1ed1ng d\u1eabn li\u1ec7u t\u1ed1t \u0111\u1ea3m b\u1ea3o c\u00e1t \u0111\u01b0\u1ee3c n\u00e9n \u0111\u1ec1u xung quanh khu\u00f4n m\u1eabu v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 tr\u1ed9n l\u1eabn gi\u1eefa kim lo\u1ea1i v\u00e0 c\u00e1t l\u00e0m h\u1ecfng s\u1ea3n ph\u1ea9m \u0111\u00fac.<\/p>\n

B\u01b0\u1edbc 5: S\u01a1n<\/strong><\/h3>\n

L\u1edbp ph\u1ee7 chuy\u00ean d\u1ee5ng cho b\u1ecdt x\u1ed1p t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng th\u1ea5m. L\u1edbp m\u00e0ng n\u00e0y gi\u1eef c\u00e1t l\u1ea1i v\u00e0 cho ph\u00e9p kh\u00ed tho\u00e1t ra ngo\u00e0i. C\u00e1c c\u00f4ng th\u1ee9c pha s\u1eb5n gi\u00fap c\u00f4ng vi\u1ec7c d\u1ec5 d\u00e0ng h\u01a1n. C\u00e1c h\u1ed7n h\u1ee3p t\u00f9y ch\u1ec9nh c\u1ea7n c\u00f3 m\u00e1y \u0111o \u0111\u1ed9 nh\u1edbt \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t. Vi\u1ec7c tr\u1ed9n k\u1ef9 c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng ngay l\u1eadp t\u1ee9c \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng l\u1eafng \u0111\u1ecdng. Vi\u1ec7c thi c\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch nh\u00fang ho\u1eb7c \u0111\u1ed5.<\/p>\n

Vi\u1ec7c tr\u1ed9n qu\u00e1 k\u1ef9 s\u1ebd t\u1ea1o ra b\u1ecdt kh\u00ed, g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt l\u1edbp ph\u1ee7 v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ec1 m\u1eb7t. \u0110\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec1u v\u1eabn l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m \u0111\u00fac kh\u00f4ng b\u1ecb l\u1ed7i.<\/p>\n

B\u01b0\u1edbc 6: S\u1ea5y kh\u00f4<\/strong><\/h3>\n

\"M\u00e1y\u0110\u1ed9 \u1ea9m trong l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y x\u00e9m ho\u1eb7c l\u1ed7i do h\u01a1i n\u01b0\u1edbc. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea5y kh\u00f4 bao g\u1ed3m t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u01a1n gi\u1ea3n b\u1eb1ng qu\u1ea1t \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng ph\u00f2ng s\u1ea5y c\u00f3 \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 v\u00e0 h\u00fat \u1ea9m. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o kh\u00ed h\u1eadu \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ee7a c\u01a1 s\u1edf.<\/p>\n

B\u01b0\u1edbc 7: Ki\u1ec3m tra l\u1edbp ph\u1ee7<\/strong><\/h3>\n

C\u00e1c v\u1ebft n\u1ee9t tr\u00ean l\u1edbp ph\u1ee7 kh\u00f4 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y c\u00e1t ho\u1eb7c s\u1ee5p \u0111\u1ed5 khu\u00f4n. Vi\u1ec7c ki\u1ec3m tra gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ec3 c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa \u0111\u00fang ch\u1ed7. Ph\u1ee7 l\u1ea1i qu\u00e1 nhi\u1ec1u l\u1edbp c\u00f3 th\u1ec3 l\u00e0m gi\u1eef kh\u00ed v\u00e0 \u0111\u1ea9y kim lo\u1ea1i ng\u01b0\u1ee3c l\u00ean \u1ed1ng d\u1eabn. Ch\u1ea5t \u0111\u1ed9n g\u1ed1c zircon gi\u00fap kh\u1eafc ph\u1ee5c c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ee7 l\u1ea1i to\u00e0n b\u1ed9 l\u1edbp m\u1edbi.<\/p>\n

B\u01b0\u1edbc 8: \u0110\u00f3ng n\u00e9n<\/strong><\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7m n\u00e9n th\u1ee7 c\u00f4ng thay th\u1ebf cho c\u00e1c d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng \u0111\u1eaft ti\u1ec1n. M\u1ed9t th\u00f9ng th\u00e9p 55 gallon \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t khu\u00f4n c\u01a1 b\u1ea3n. C\u00e1t kh\u00f4 kh\u00f4ng k\u1ebft d\u00ednh ho\u1eb7c c\u00e1c h\u1ea1t g\u1ed1m \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ea7y v\u00e0o th\u00f9ng. C\u00e1c l\u1edbp \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t b\u1eb1ng c\u00e1ch d\u00f9ng b\u00faa \u0111\u1eadp nhi\u1ec1u l\u1ea7n.<\/p>\n

C\u1ea5u tr\u00fac x\u1ed1p \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 \u0111\u1eb7t tr\u00ean l\u1edbp n\u1ec1n. T\u1eeb t\u1eeb \u0111\u1ed5 th\u00eam c\u00e1t ho\u1eb7c c\u00e1c h\u1ea1t nh\u1ecf trong khi n\u00e9n ch\u1eb7t. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u ch\u1ea3y \u0111\u1ec1u quanh m\u1ecdi h\u00ecnh d\u1ea1ng m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng l\u1edbp ph\u1ee7. C\u00e1c ph\u1ea7n m\u1ecfng c\u1ea7n \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y c\u00e2n b\u1eb1ng \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng. L\u1edbp \u0111\u1ea5t ph\u1ee7 d\u00e0y \u00edt nh\u1ea5t 10 inch gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5i v\u00e0 gi\u1eef k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh.<\/p>\n

B\u01b0\u1edbc 9: \u0110\u00fac<\/strong><\/h3>\n

Qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y tu\u00e2n theo c\u00e1c quy tr\u00ecnh \u0111\u00fac th\u00f4ng th\u01b0\u1eddng. Qu\u00e1 tr\u00ecnh r\u00f3t \u0111\u00f2i h\u1ecfi nhi\u1ec7t \u0111\u1ed9 si\u00eau n\u00f3ng cao h\u01a1n\u2014th\u01b0\u1eddng t\u1eeb 50 \u0111\u1ebfn 100 \u0111\u1ed9 Fahrenheit cao h\u01a1n ti\u00eau chu\u1ea9n\u2014\u0111\u1ec3 l\u00e0m bay h\u01a1i ho\u00e0n to\u00e0n b\u1ecdt kh\u00ed. Nhi\u1ec7t \u0111\u1ed9 si\u00eau n\u00f3ng qu\u00e1 cao c\u00f3 th\u1ec3 g\u00e2y s\u00f4i \u0111\u1ed1i v\u1edbi s\u1eaft ho\u1eb7c g\u00e2y oxy h\u00f3a nhi\u1ec1u h\u01a1n \u0111\u1ed1i v\u1edbi nh\u00f4m.<\/p>\n

R\u00f3t nhanh gi\u00fap gi\u1eef cho \u1ed1ng d\u1eabn lu\u00f4n \u0111\u1ea7y v\u00e0 t\u1eadn d\u1ee5ng tr\u1ecdng l\u01b0\u1ee3ng kim lo\u1ea1i \u0111\u1ec3 ch\u1ed1ng l\u1ea1i \u00e1p su\u1ea5t kh\u00ed. Ng\u1ecdn l\u1eeda \u1edf b\u00ecnh cho th\u1ea5y qu\u00e1 tr\u00ecnh ch\u00e1y styren di\u1ec5n ra b\u00ecnh th\u01b0\u1eddng. R\u00f3t ch\u1eadm l\u00e0m t\u0103ng nguy c\u01a1 s\u1ee5p \u0111\u1ed5 ho\u1eb7c n\u1ed5.<\/p>\n

B\u01b0\u1edbc 10: K\u1ebft th\u00fac<\/strong><\/h3>\n

C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac ngu\u1ed9i \u0111\u1ee7 \u0111\u1ec3 d\u1ec5 d\u00e0ng l\u1ea5y ra sau 30 ph\u00fat \u0111\u1ed1i v\u1edbi nh\u00f4m ho\u1eb7c m\u1ed9t gi\u1edd \u0111\u1ed1i v\u1edbi h\u1ee3p kim s\u1eaft. Khu\u00f4n c\u00e1ch nhi\u1ec7t \u0111\u00f4i khi cho ph\u00e9p t\u1ef1 \u1ee7 \u1edf m\u1ed9t s\u1ed1 kim lo\u1ea1i nh\u1ea5t \u0111\u1ecbnh. Qu\u00e1 tr\u00ecnh ho\u00e0n thi\u1ec7n tr\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u00fac c\u00e1t nh\u01b0ng c\u1ea7n th\u1eddi gian phun c\u00e1t \u00edt h\u01a1n nhi\u1ec1u v\u00ec b\u1ec1 m\u1eb7t thu \u0111\u01b0\u1ee3c m\u1ecbn h\u01a1n.<\/p>\n

Gia c\u00f4ng th\u00e0nh c\u00f4ng t\u1ea1o ra c\u00e1c chi ti\u1ebft s\u1ea1ch, c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. C\u00e1c l\u1ed7i th\u01b0\u1eddng t\u1ea1o ra c\u00e1c kh\u1ed1i kh\u00f4ng \u0111\u1ec1u v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y x\u00e9m n\u1eb7ng. Nh\u1eefng s\u1ea3n ph\u1ea9m nh\u01b0 v\u1eady kh\u00f3 c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa l\u1ea1i.<\/p>\n

S\u1eb5n s\u00e0ng, thi\u1ebft l\u1eadp, \u0111i<\/strong><\/h2>\n

C\u00e1c x\u01b0\u1edfng \u0111\u00fac c\u1ea7n s\u1ea3n xu\u1ea5t nguy\u00ean m\u1eabu nhanh ho\u1eb7c s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p b\u1eb1ng m\u00e1y v\u00e0 khu\u00f4n x\u1ed1p n\u00e9n th\u1ee7 c\u00f4ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u1ea5u ch\u1ea3y, r\u00f3t v\u00e0 ho\u00e0n thi\u1ec7n hi\u1ec7n c\u00f3. N\u00f3 ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 nh\u1ecf. C\u00e1c th\u1eed nghi\u1ec7m s\u1eed d\u1ee5ng ph\u1ebf li\u1ec7u ho\u1eb7c kim lo\u1ea1i \u0111\u00e3 qua x\u1eed l\u00fd, do \u0111\u00f3 chi ph\u00ed ban \u0111\u1ea7u r\u1ea5t th\u1ea5p.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c l\u00f4 h\u00e0ng d\u01b0\u1edbi 100 s\u1ea3n ph\u1ea9m. Kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn h\u01a1n c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a sau n\u00e0y. C\u00e1ch l\u00e0m th\u1ee7 c\u00f4ng cho ph\u00e9p c\u00e1c x\u01b0\u1edfng \u0111\u00fac th\u1eed nghi\u1ec7m v\u00e0 ki\u1ec3m tra th\u1ecb tr\u01b0\u1eddng tr\u01b0\u1edbc. C\u00e1c x\u01b0\u1edfng \u0111\u00fac ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng c\u1ee7a m\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i l\u1edbn v\u1ec1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. H\u1ecd t\u1ef1 \u0111\u1ecbnh v\u1ecb m\u00ecnh cho c\u00e1c c\u00f4ng vi\u1ec7c ph\u1ee9c t\u1ea1p, c\u00f3 gi\u00e1 tr\u1ecb cao.<\/p>\n

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

Nh\u1eefng lo\u1ea1i kim lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n x\u1ed1p m\u1ea5t v\u1ed1n \u0111\u1ea7u t\u01b0 th\u1ea5p? <\/strong><\/h3>\n

S\u1eaft, th\u00e9p, nh\u00f4m v\u00e0 \u0111\u1ed3ng thau \u0111\u1ec1u d\u1ec5 d\u00e0ng th\u00edch \u1ee9ng v\u1edbi quy tr\u00ecnh gia c\u00f4ng th\u1ee7 c\u00f4ng t\u1ea1o h\u00ecnh b\u1ecdt.<\/p>\n

Chi ph\u00ed \u0111\u1ec3 b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o b\u1ecdt x\u1ed1p l\u00e0 bao nhi\u00eau? <\/strong><\/h3>\n

C\u00e1c chi ph\u00ed ch\u00ednh bao g\u1ed3m nguy\u00ean li\u1ec7u x\u1ed1p, v\u1eadt li\u1ec7u ph\u1ee7 v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh c\u01a1 b\u1ea3n. Thi\u1ebft b\u1ecb CNC v\u00e0 l\u00f2 nung hi\u1ec7n c\u00f3 gi\u00fap gi\u1ea3m thi\u1ec3u \u0111\u1ea7u t\u01b0 b\u1ed5 sung.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n b\u1eb1ng x\u1ed1p ch\u1ea3y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c dung sai t\u1ed1i \u0111a l\u00e0 bao nhi\u00eau m\u00e0 kh\u00f4ng c\u1ea7n gia c\u00f4ng c\u01a1 kh\u00ed? <\/strong><\/h3>\n

Sai s\u1ed1 cho ph\u00e9p th\u00f4ng th\u01b0\u1eddng \u0111\u1ea1t +\/- 0,003 inch tr\u00ean m\u1ed7i inch, v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c h\u01a1n th\u00f4ng qua vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u1eabu v\u00e0 \u0111\u1ed9 n\u00e9n.<\/p>\n

C\u00f3 c\u1ea7n \u0111\u00e0o t\u1ea1o \u0111\u1eb7c bi\u1ec7t n\u00e0o cho vi\u1ec7c x\u1eed l\u00fd b\u1ecdt b\u1ecb m\u1ea5t kh\u00f4ng? <\/strong><\/h3>\n

K\u1ef9 thu\u1eadt \u0111\u1ed5 khu\u00f4n b\u1eb1ng c\u00e1t kh\u00e1c v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n c\u00e1t truy\u1ec1n th\u1ed1ng. T\u1eadp trung v\u00e0o d\u00f2ng ch\u1ea3y c\u1ee7a c\u00e1t, g\u00f3c nghi\u00eang v\u00e0 tr\u00e1nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn c\u00e1t h\u01b0\u1edbng l\u00ean tr\u00ean s\u1ebd \u0111\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng.<\/p>\n

Li\u1ec7u ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n b\u1eb1ng b\u1ecdt c\u00f3 th\u1ec3 thay th\u1ebf c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp (in 3D) trong vi\u1ec7c t\u1ea1o m\u1eabu th\u1eed nghi\u1ec7m? <\/strong><\/h3>\n

\u0110\u00fang v\u1eady. Khu\u00f4n m\u1eabu b\u1eb1ng x\u1ed1p \u0111\u01b0\u1ee3c gia c\u00f4ng cho ph\u00e9p t\u1ea1o ra c\u00e1c nguy\u00ean m\u1eabu kim lo\u1ea1i nhanh ch\u00f3ng, ch\u00ednh x\u00e1c v\u1edbi chi ph\u00ed c\u1ea1nh tranh cho nhi\u1ec1u h\u00ecnh d\u1ea1ng kh\u00e1c nhau.<\/p>\n

\u0110\u1ed1i t\u00e1c v\u1edbi m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt m\u1ea5t \u0111\u00e1ng tin c\u1eady<\/strong><\/h2>\n

C\u00e1c x\u01b0\u1edfng \u0111\u00fac mu\u1ed1n m\u1edf r\u1ed9ng quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fac khu\u00f4n x\u1ed1p v\u01b0\u1ee3t ra ngo\u00e0i giai \u0111o\u1ea1n nguy\u00ean m\u1eabu s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c h\u1ee3p t\u00e1c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb c\u00f3 uy t\u00edn. C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> C\u00f4ng ty l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p chuy\u00ean nghi\u1ec7p c\u00e1c thi\u1ebft b\u1ecb \u0111\u00fac khu\u00f4n x\u1ed1p m\u1ea5t th\u00f4ng minh cao c\u1ea5p, chuy\u00ean v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p khu v\u1ef1c tr\u1eafng. L\u00e0 m\u1ed9t doanh nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao c\u1ea5p qu\u1ed1c gia v\u00e0 l\u00e0 \u0111\u1ed1i t\u00e1c c\u1ee7a Hi\u1ec7p h\u1ed9i C\u00f4ng nghi\u1ec7p \u0110\u00fac khu\u00f4n X\u1ed1p M\u1ea5t Trung Qu\u1ed1c, c\u00f4ng ty t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 EPS ti\u00ean ti\u1ebfn v\u1edbi c\u00e1c b\u1eb1ng s\u00e1ng ch\u1ebf \u0111\u1ed9c quy\u1ec1n \u0111\u1ec3 cung c\u1ea5p m\u00e1y \u0111\u00fac khu\u00f4n x\u1ed1p t\u1ef1 \u0111\u1ed9ng, m\u00e1y gi\u00e3n n\u1edf s\u01a1 b\u1ed9, h\u1ec7 th\u1ed1ng h\u00fat ch\u00e2n kh\u00f4ng trung t\u00e2m, m\u00e1y tr\u1ed9n s\u01a1n ki\u1ec3u n\u00e2ng, m\u00e1y s\u1ea5y kh\u00ed, silo \u1ee7 ch\u00edn v\u00e0 c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t tr\u1ecdn g\u00f3i ho\u00e0n ch\u1ec9nh cho c\u1ea3 ho\u1ea1t \u0111\u1ed9ng khu v\u1ef1c tr\u1eafng v\u00e0 khu v\u1ef1c v\u00e0ng.<\/p>\n

C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y nh\u1ea5n m\u1ea1nh hi\u1ec7u qu\u1ea3 cao, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p. Ch\u00fang h\u1ed7 tr\u1ee3 c\u00e1c x\u01b0\u1edfng \u0111\u00fac tr\u00ean to\u00e0n th\u1ebf gi\u1edbi chuy\u1ec3n t\u1eeb th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng sang s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng quy m\u00f4 l\u1edbn. V\u00ed d\u1ee5 bao g\u1ed3m c\u00e1c d\u00e2y chuy\u1ec1n ho\u00e0n ch\u1ec9nh cho ph\u00e9p s\u1ea3n xu\u1ea5t h\u00e0ng ngh\u00ecn t\u1ea5n m\u1ed7i n\u0103m c\u00e1c linh ki\u1ec7n \u00f4 t\u00f4, n\u00f4ng nghi\u1ec7p v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng.<\/p>\n

D\u00e0nh cho c\u00e1c x\u01b0\u1edfng \u0111\u00fac s\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p ho\u1eb7c m\u1edf r\u1ed9ng, li\u00ean h\u1ec7 v\u1edbi c\u00f4ng ngh\u1ec7 OC<\/strong><\/a> T\u00ecm hi\u1ec3u c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft b\u1ecb \u0111\u00fac khu\u00f4n x\u1ed1p t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau s\u1ea3n xu\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

Lost foam casting brings clear benefits to metal foundries that want more flexibility and better efficiency. The process allows complex shapes, near-net-shape parts, and clear cuts in energy use, labor, materials, and total costs when compared with traditional methods. Even so, many foundries hold back because they think it needs heavy spending on automated lines […]<\/p>\n","protected":false},"author":3,"featured_media":4944,"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":[1,161],"tags":[],"class_list":["post-4941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news","category-news-blog"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4941","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=4941"}],"version-history":[{"count":3,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4941\/revisions"}],"predecessor-version":[{"id":4953,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4941\/revisions\/4953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4944"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4941"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}