{"id":4782,"date":"2026-01-09T11:50:37","date_gmt":"2026-01-09T03:50:37","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4782"},"modified":"2026-01-05T15:27:28","modified_gmt":"2026-01-05T07:27:28","slug":"how-a-foundry-can-diversify-into-lost-foam-casting-at-negligible-cost","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/tin-tuc-blog\/tin-tuc-nganh\/lam-the-nao-mot-nha-may-duc-co-the-da-dang-hoa-thanh-duc-bot-bi-mat-voi-chi-phi-khong-dang-ke\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o m\u1ed9t nh\u00e0 \u0111\u00fac c\u00f3 th\u1ec3 \u0111a d\u1ea1ng h\u00f3a th\u00e0nh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t v\u1edbi chi ph\u00ed kh\u00f4ng \u0111\u00e1ng k\u1ec3"},"content":{"rendered":"<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/cac-san-pham\/\"><strong>M\u1ea5t b\u1ecdt \u0111\u00fac<\/strong><\/a> cung c\u1ea5p l\u1ee3i \u00edch to l\u1edbn nh\u01b0ng \u0111\u00e3 k\u00e9m hi\u1ec7u su\u1ea5t v\u1ec1 th\u01b0\u01a1ng m\u1ea1i h\u00f3a. M\u1ed9t ph\u1ea7n l\u00e0 do nh\u1eadn th\u1ee9c v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u00f2i h\u1ecfi v\u1ed1n \u0111\u1ea7u ti\u00ean l\u1edbn v\u00e0 chi ph\u00ed c\u00f4ng c\u1ee5 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh ch\u1ec9 th\u00edch h\u1ee3p cho s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/p>\n<p>Nh\u01b0ng c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 v\u00e0o thi\u1ebft b\u1ecb v\u1ed1n ho\u1eb7c th\u1eadm ch\u00ed c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111a d\u1ea1ng h\u00f3a th\u00e0nh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. \u0110\u1ed1i v\u1edbi chi ph\u00ed khi\u00eam t\u1ed1n c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 c\u1ea7n thi\u1ebft, b\u1ea5t k\u1ef3 nh\u00e0 m\u00e1y \u0111\u00fac n\u00e0o s\u1ea3n xu\u1ea5t \u0111\u00fac s\u1eaft, th\u00e9p, nh\u00f4m ho\u1eb7c \u0111\u1ed3ng h\u1ed3 c\u00f3 th\u1ec3 nhanh ch\u00f3ng s\u1ea3n xu\u1ea5t c\u00e1c nguy\u00ean m\u1eabu v\u00e0 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t trong th\u1eddi gian ng\u1eafn. Ph\u01b0\u01a1ng ph\u00e1p b\u1ecdt b\u1ecb m\u1ea5t n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t s\u1ef1 thay th\u1ebf cho s\u1ea3n xu\u1ea5t ph\u1ee5 gia ho\u1eb7c \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00f4ng c\u1ee5 cho c\u00e1c nguy\u00ean m\u1eabu, b\u1ed9 ph\u1eadn thay th\u1ebf ho\u1eb7c kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf kh\u00e1c.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/01\/Lost-Foam-Casting-machines-supplier-for-Lost-Foam-Casting-foundry.webp\" alt=\"Nh\u00e0 cung c\u1ea5p m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t cho nh\u00e0 m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t\" \/><\/div>\n<h2 id=\"lost-foam-advantages\"><strong>L\u1ee3i th\u1ebf c\u1ee7a b\u1ecdt b\u1ecb m\u1ea5t<\/strong><\/h2>\n<p>L\u1ee3i \u00edch c\u1ee7a \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u t\u1ed1t. Qu\u00e1 tr\u00ecnh h\u00ecnh d\u1ea1ng g\u1ea7n l\u01b0\u1edbi \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 cho ph\u00e9p h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p, v\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a B\u1ed9 N\u0103ng l\u01b0\u1ee3ng (DOE) \u0111\u00e3 b\u00e1o c\u00e1o r\u1eb1ng so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac truy\u1ec1n th\u1ed1ng, b\u1ecdt b\u1ecb m\u1ea5t cung c\u1ea5p ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng 25% -30%, ti\u1ebft ki\u1ec7m 46% n\u0103ng su\u1ea5t lao \u0111\u1ed9ng, \u00edt v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u01a1n 7% v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t 20% -25%. \u00cdt ch\u1ea5t th\u1ea3i r\u1eafn c\u0169ng nh\u01b0 \u00edt kh\u00ed th\u1ea3i h\u1ea1t v\u00e0 kh\u00ed nh\u00e0 k\u00ednh \u0111\u01b0\u1ee3c t\u1ea1o ra so v\u1edbi c\u00e1c quy tr\u00ecnh truy\u1ec1n th\u1ed1ng. M\u1ed9t l\u1ee3i \u00edch b\u1ed5 sung l\u00e0 v\u1edbi thi\u1ebft k\u1ebf c\u1ed5ng th\u00edch h\u1ee3p, n\u0103ng su\u1ea5t \u0111\u00fac tr\u00ean 70% l\u00e0 ph\u1ed5 bi\u1ebfn v\u00e0 n\u0103ng su\u1ea5t tr\u00ean 80% l\u00e0 kh\u1ea3 thi.<\/p>\n<p>Kh\u00e1ng dung c\u1ee7a \/- 0,003 in.-per-in. l\u00e0 \u0111i\u1ec3n h\u00ecnh (0,076 mm \/ mm) v\u00e0 \/- 0,002 in.-per-in. (0,05 mm \/ mm) l\u00e0 kh\u1ea3 thi trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. \u0110\u1ed1i v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn b\u1ecdt gia c\u00f4ng, dung sai ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng v\u00e0 th\u01b0\u1eddng l\u00e0 0,002 in. (0,05 mm) c\u1ed9ng v\u1edbi dung sai gia c\u00f4ng. Nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y do DOE t\u00e0i tr\u1ee3 li\u00ean quan \u0111\u1ebfn s\u1eaft c\u00f3 t\u01b0\u1eddng m\u1ecfng cho th\u1ea5y r\u1eb1ng ngay c\u1ea3 \u1edf 0,040 in. (1 mm), dung n\u1ea1p cho b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 \/-0,0015 in. (0,039 mm). L\u1ee3i \u00edch ch\u00ednh n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi gia c\u00f4ng kim lo\u1ea1i kh\u00f4ng ho\u1eb7c t\u1ed1i thi\u1ec3u. V\u1edbi vi\u1ec7c thi\u1ebft k\u1ebf l\u1ea1i th\u00e0nh ph\u1ea7n th\u00edch h\u1ee3p, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ti\u1ebft ki\u1ec7m chi ph\u00ed r\u1ea5t l\u1edbn \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho chi ph\u00ed cao h\u01a1n m\u1ed9t ch\u00fat c\u1ee7a quy tr\u00ecnh so v\u1edbi c\u00e1t xanh truy\u1ec1n th\u1ed1ng ho\u1eb7c \u0111\u00fac nobake.<\/p>\n<p>B\u1ecdt b\u1ecb m\u1ea5t cung c\u1ea5p h\u00ecnh d\u1ea1ng l\u01b0\u1edbi ho\u1eb7c g\u1ea7n l\u01b0\u1edbi c\u00f3 th\u1ec3 c\u00f3 h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p nh\u01b0 c\u00e1c k\u00eanh b\u00ean trong, l\u1ed7 m\u00f9 v\u00e0 v\u1ecb tr\u00ed th\u1ef1c. C\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 c\u00f3 b\u1ea3n th\u1ea3o kh\u00f4ng ho\u1eb7c thay th\u1ebf. C\u00e1c quy tr\u00ecnh th\u1eadm ch\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c ch\u1ee7 \u0111\u1ec1 as-cast. V\u00e0 m\u1ea5t b\u1ecdt c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft cho c\u00f4ng c\u1ee5; b\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gia c\u00f4ng v\u00e0 \u0111\u00fac.<\/p>\n<h2 id=\"steps-to-trying-lost-foam\"><strong>B\u01b0\u1edbc \u0111\u1ec3 th\u1eed Lost Foam<\/strong><\/h2>\n<p>Qu\u00e1 tr\u00ecnh b\u1ecdt b\u1ecb m\u1ea5t li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh b\u1ecdt bay h\u01a1i trong khi \u0111\u1ed5. Ch\u00eca kh\u00f3a \u0111\u1ec3 c\u00f3 b\u1ecdt b\u1ecb m\u1ea5t v\u1edbi \u0111\u1ea7u t\u01b0 v\u1ed1n t\u1ed1i thi\u1ec3u l\u00e0 lo\u1ea1i b\u1ecf nhu c\u1ea7u thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n v\u00e0 d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch gia c\u00f4ng b\u1ecdt t\u1eeb c\u1ed5 phi\u1ebfu b\u1ecdt v\u00e0 t\u1ea1o ra m\u1ed9t gi\u01b0\u1eddng l\u1ecfng b\u1eb1ng c\u00e1ch n\u00e9n n\u00e9n tay c\u00e1c b\u00ecnh. C\u00e1c b\u01b0\u1edbc c\u00f2n l\u1ea1i v\u1ec1 c\u01a1 b\u1ea3n gi\u1ed1ng nh\u01b0 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t ti\u00eau chu\u1ea9n.<\/p>\n<h3 id=\"step-1-obtain-foam\"><strong>B\u01b0\u1edbc 1: Nh\u1eadn Foam<\/strong><\/h3>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c kh\u1ed1i b\u1ecdt \u0111\u1ec3 gia c\u00f4ng. B\u1ecdt b\u1ecb m\u1ea5t th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ecdt polystyrene m\u1edf r\u1ed9ng (EPS). M\u1eadt \u0111\u1ed9 l\u00fd t\u01b0\u1edfng l\u00e0 1-1,5 lbs. m\u1ed7i cu.ft. (0,016 g \/ cm\u00b3- 0,024 g \/ cm\u00b3). N\u1ebfu ki\u1ec3m so\u00e1t carbon l\u00e0 quan tr\u1ecdng nh\u01b0 trong \u0111\u00fac s\u1eaft, s\u1eed d\u1ee5ng m\u1ed9t co-polymer l\u00e0m t\u1eeb polystyrene m\u1edf r\u1ed9ng (EPS) v\u00e0 polymethyl methacrylate (PMMA) l\u00e0 mong mu\u1ed1n - \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c \u1edf d\u1ea1ng kh\u1ed1i \u0111\u1ec3 gia c\u00f4ng. M\u1ed9t y\u1ebfu t\u1ed1 an to\u00e0n thi\u1ebft y\u1ebfu l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 b\u1ecdt n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ee9a ch\u1ea5t ch\u1ed1ng ch\u00e1y, v\u00ec b\u1ecdt nh\u01b0 v\u1eady c\u00f3 xu h\u01b0\u1edbng n\u1ed5 trong khi \u0111\u00fac. C\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac n\u00ean x\u00e1c minh v\u1edbi nh\u00e0 cung c\u1ea5p b\u1ecdt c\u1ee7a h\u1ecd r\u1eb1ng b\u1ecdt kh\u00f4ng ch\u1ee9a ch\u1ea5t ch\u1ed1ng ch\u00e1y, v\u00e0 h\u1ecd c\u0169ng n\u00ean t\u1ef1 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ng\u1ecdn l\u1eeda. N\u1ebfu b\u1ecdt \u0111\u01b0\u1ee3c gia c\u00f4ng s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngay l\u1eadp t\u1ee9c, n\u00f3 \u0111\u01b0\u1ee3c khuy\u00ean n\u00ean tu\u1ed5i t\u00e1c n\u00f3 trong \u00edt nh\u1ea5t ba tu\u1ea7n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh chi\u1ec1u.<\/p>\n<h3 id=\"step-2-pattern-machining\"><strong>B\u01b0\u1edbc 2: Gia c\u00f4ng m\u1eabu<\/strong><\/h3>\n<p>M\u1ed9t m\u00e1y CNC l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 gia c\u00f4ng m\u00f4 h\u00ecnh b\u1ecdt. M\u1ed9t lo\u1ea1t c\u00e1c m\u00e1y c\u00f4ng c\u1ee5 l\u00e0 kh\u1ea3 thi. C\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh m\u1ed9t s\u1ed1 th\u1eed nghi\u1ec7m v\u00ec ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u, t\u1ed1c \u0111\u1ed9, chi\u1ec1u s\u00e2u c\u1eaft, v.v. s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o m\u00e1y, b\u1ecdt v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ch\u00eca kh\u00f3a l\u00e0 b\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft, v\u00e0 c\u00e1c m\u1ea3nh nh\u1ecf \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. T\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 ngu\u1ed3n cung c\u1ea5p th\u1ea5p h\u01a1n v\u00e0 chi\u1ec1u s\u00e2u c\u1eaft l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u00e1nh x\u00e9. Khi \u0111i t\u1eeb thi\u1ebft k\u1ebf CAD c\u1ee7a b\u1ed9 ph\u1eadn \u0111\u1ebfn CAM v\u00e0 gia c\u00f4ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh \u0111\u1ebfn s\u1ef1 co l\u1ea1i kim lo\u1ea1i.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/01\/best-buy-Lost-Foam-Casting-machines-supplier-for-Lost-Foam-Casting-foundry.webp\" alt=\"t\u1ed1t nh\u1ea5t mua m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t nh\u00e0 cung c\u1ea5p cho nh\u00e0 m\u00e1y \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t\" \/><\/div>\n<h3 id=\"step-3-adhesive\"><strong>B\u01b0\u1edbc 3: K\u1ebft d\u00ednh<\/strong><\/h3>\n<p>B\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p tr\u01b0\u1edbc khi \u0111\u00fac b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t d\u00ednh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c h\u00ecnh d\u1ea1ng r\u1ea5t ph\u1ee9c t\u1ea1p. C\u00e1c ch\u1ea5t d\u00ednh \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho b\u1ecdt b\u1ecb m\u1ea5t \u0111\u01b0\u1ee3c khuy\u1ebfn c\u00e1o, \u00e1p d\u1ee5ng b\u1eb1ng b\u00e0n ch\u1ea3i ho\u1eb7c nh\u00fang.<\/p>\n<h3 id=\"step-4-gating\"><strong>B\u01b0\u1edbc 4: Nh\u00f3m<\/strong><\/h3>\n<p>Th\u00f4ng th\u01b0\u1eddng b\u1ecdt b\u1ecb m\u1ea5t s\u1eed d\u1ee5ng m\u1ed9t \u1ed1ng ch\u1ea3y g\u1ed1m ti\u00eau th\u1ee5 \u0111\u01b0\u1ee3c d\u00e1n v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng c\u1eeda. Kh\u00f4ng c\u00f3 t\u1ef7 l\u1ec7 c\u1eeda v\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec3m choke. Thi\u1ebft k\u1ebf Gating ph\u1ee9c t\u1ea1p v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u00fac. Nh\u00f4m th\u01b0\u1eddng \u0111\u01b0\u1ee3c cho \u0103n tr\u00ean c\u00f9ng, trong khi s\u1eaft, th\u00e9p v\u00e0 \u0111\u1ed3ng thau \u0111\u01b0\u1ee3c cho \u0103n d\u01b0\u1edbi c\u00f9ng. C\u00e1c b\u1ed9 ph\u1eadn n\u00ean nghi\u00eang \u0111\u1ec3 cho ph\u00e9p d\u00f2ng ch\u1ea3y c\u00e1t.<\/p>\n<h3 id=\"step-5-coating\"><strong>B\u01b0\u1edbc 5: S\u01a1n<\/strong><\/h3>\n<p>M\u1ed9t lo\u1ea1t c\u00e1c l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 s\u1eb5n. Qu\u00e1 tr\u00ecnh nh\u1ea5t qu\u00e1n l\u00e0 ch\u00eca kh\u00f3a, s\u1eed d\u1ee5ng m\u00e1y \u0111o viscometer n\u1ebfu tr\u1ed9n l\u1edbp ph\u1ee7. Ph\u01b0\u01a1ng ph\u00e1p nh\u00fang ho\u1eb7c \u0111\u1ed5 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3 id=\"step-6-drying\"><strong>B\u01b0\u1edbc 6: S\u1ea5y kh\u00f4<\/strong><\/h3>\n<p>\u0110\u1ed9 \u1ea9m g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1, v\u00ec v\u1eady kh\u00f4 v\u1edbi qu\u1ea1t ho\u1eb7c ph\u00f2ng \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<h3 id=\"step-7-coating-inspection\"><strong>B\u01b0\u1edbc 7: Ki\u1ec3m tra l\u1edbp ph\u1ee7<\/strong><\/h3>\n<p>Ki\u1ec3m tra c\u00e1c v\u1ebft n\u1ee9t v\u00e0 ch\u1ea1m v\u00e0o khi c\u1ea7n thi\u1ebft. Tr\u00e1nh nh\u00fang l\u1ea1i to\u00e0n b\u1ed9 l\u1eafp r\u00e1p.<\/p>\n<h3 id=\"step-8-compaction\"><strong>B\u01b0\u1edbc 8: \u0110\u00f3ng n\u00e9n<\/strong><\/h3>\n<p>\u0110\u00f3ng n\u00e9n b\u1eb1ng tay s\u1eed d\u1ee5ng m\u1ed9t b\u00ecnh nh\u01b0 m\u1ed9t tr\u1ed1ng 55 gallon. Ch\u1ea5t l\u1ecfng c\u00e1t b\u1eb1ng c\u00e1ch rung ho\u1eb7c n\u00e9n v\u1edbi m\u1ed9t chu\u1ed9t. C\u00e1t kh\u00f4 kh\u00f4ng li\u00ean k\u1ebft ho\u1eb7c h\u1ea1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n<h3 id=\"step-9-casting\"><strong>B\u01b0\u1edbc 9: \u0110\u00fac<\/strong><\/h3>\n<p>Si\u00eau nhi\u1ec7t cao h\u01a1n (50-100 \u00b0 F b\u1ed5 sung) l\u00e0 c\u1ea7n thi\u1ebft. \u0110\u1ed5 nhanh \u0111\u1ec3 b\u00f9 \u0111\u1eafp \u00e1p su\u1ea5t kh\u00ed.<\/p>\n<h3 id=\"step-10-finishing\"><strong>B\u01b0\u1edbc 10: K\u1ebft th\u00fac<\/strong><\/h3>\n<p>X\u00e1c \u0111\u1ecbnh, l\u1eafc ra v\u00e0 ho\u00e0n th\u00e0nh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00fac c\u00e1t, th\u01b0\u1eddng v\u1edbi th\u1eddi gian n\u1ed5 gi\u1ea3m.<\/p>\n<h2 id=\"ready-set-go\"><strong>S\u1eb5n s\u00e0ng, thi\u1ebft l\u1eadp, \u0111i<\/strong><\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac c\u1ea7n c\u00e1c nguy\u00ean m\u1eabu nhanh ch\u00f3ng ho\u1eb7c kh\u00e1ch h\u00e0ng mong mu\u1ed1n kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf, ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng b\u1ecdt v\u00e0 n\u00e9n tay cho b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 m\u1ed9t c\u01a1 h\u1ed9i \u0111\u1ec3 \u0111a d\u1ea1ng h\u00f3a v\u1edbi chi ph\u00ed v\u1ed1n t\u1ed1i thi\u1ec3u. Qu\u00e1 tr\u00ecnh tan ch\u1ea3y, \u0111\u00fac v\u00e0 ho\u00e0n thi\u1ec7n v\u1ec1 c\u01a1 b\u1ea3n gi\u1ed1ng nh\u01b0 trong c\u00e1c quy tr\u00ecnh hi\u1ec7n t\u1ea1i ngo\u1ea1i tr\u1eeb vi\u1ec7c c\u1ea7n nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed5 cao h\u01a1n. Qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, m\u1eb7c d\u00f9 kh\u00e1c nhau, l\u00e0 m\u1ed9t \u0111i\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean quy m\u00f4 nh\u1ecf \u0111\u1ec3 \u0111\u1ea7u ti\u00ean ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m. \u0110i\u1ec1u n\u00e0y th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi kim lo\u1ea1i m\u00e0 n\u1ebfu kh\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c l\u1ee3n ra.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng, c\u00e1ch ti\u1ebfp c\u1eadn b\u1ecdt gia c\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t t\u1eeb quan \u0111i\u1ec3m chi ph\u00ed cho kh\u1ed1i l\u01b0\u1ee3ng d\u01b0\u1edbi 100 \u0111\u00fac. \u0110\u1ed1i v\u1edbi h\u01a1n 1.000 \u0111\u00fac (t\u1ed5ng s\u1eed d\u1ee5ng) th\u01b0\u1eddng c\u00f3 \u00fd ngh\u0129a \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00f4ng c\u1ee5 khu\u00f4n b\u1ecdt t\u1ea1i m\u1ed9t s\u1ed1 \u0111i\u1ec3m.<\/p>\n<p>M\u1ed9t nh\u00e0 m\u00e1y \u0111\u00fac c\u00e1t hi\u1ec7n c\u00f3 c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m v\u1edbi quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n tr\u01b0\u1edbc; M\u1ed9t khi th\u00e0nh c\u00f4ng v\u1edbi c\u00e1c nguy\u00ean m\u1eabu v\u00e0 k\u00edch th\u01b0\u1edbc l\u00f4 l\u1edbn h\u01a1n \u0111\u01b0\u1ee3c \u0111\u1eb7t h\u00e0ng, c\u00f3 th\u1ec3 \u0111\u00e1ng \u0111\u1ec3 xem x\u00e9t \u0111\u1ea7u t\u01b0 l\u1edbn h\u01a1n v\u00e0o c\u00f4ng c\u1ee5, thi\u1ebft b\u1ecb th\u1ed5i b\u1ecdt v\u00e0 d\u00e2y chuy\u1ec1n n\u00e9n t\u1ef1 \u0111\u1ed9ng.<\/p>\n<h2 id=\"faq\"><strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n<h3 id=\"what-is-lost-foam-casting\"><strong>Lost Foam Casting l\u00e0 g\u00ec? <\/strong><\/h3>\n<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac m\u1eabu bay h\u01a1i (EPC), l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh m\u00e0 m\u1ed9t m\u1eabu b\u1ecdt bay h\u01a1i khi ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i n\u00f3ng ch\u1ea3y, t\u1ea1o ra m\u1ed9t \u0111\u00fac h\u00ecnh g\u1ea7n l\u01b0\u1edbi v\u1edbi h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c chi\u1ec1u cao.<\/p>\n<h3 id=\"what-are-the-main-benefits-of-lost-foam-casting-compared-to-traditional-sand-casting\"><strong>Nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t so v\u1edbi \u0111\u00fac c\u00e1t truy\u1ec1n th\u1ed1ng l\u00e0 g\u00ec? <\/strong><\/h3>\n<p>N\u00f3 cung c\u1ea5p ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng 25-30%, gi\u1ea3m lao \u0111\u1ed9ng, n\u0103ng su\u1ea5t cao h\u01a1n (70-80%), h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p kh\u00f4ng c\u00f3 l\u00f5i ho\u1eb7c b\u1ea3n th\u1ea3o, gia c\u00f4ng t\u1ed1i thi\u1ec3u v\u00e0 kh\u00ed th\u1ea3i v\u00e0 ch\u1ea5t th\u1ea3i th\u1ea5p h\u01a1n.<\/p>\n<h3 id=\"can-any-foundry-try-lost-foam-casting-without-major-investment\"><strong>B\u1ea5t k\u1ef3 nh\u00e0 m\u00e1y \u0111\u00fac n\u00e0o c\u00f3 th\u1ec3 th\u1eed \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 l\u1edbn? <\/strong><\/h3>\n<p>V\u00e2ng, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c m\u1eabu b\u1ecdt gia c\u00f4ng t\u1eeb c\u00e1c kh\u1ed1i c\u1ed5 phi\u1ebfu v\u00e0 n\u00e9n b\u1eb1ng tay trong c\u00e1c b\u00ecnh \u0111\u01a1n gi\u1ea3n, c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c nguy\u00ean m\u1eabu v\u00e0 ch\u1ea1y ng\u1eafn v\u1edbi chi ph\u00ed th\u1ea5p, m\u00e0 kh\u00f4ng c\u00f3 d\u00e2y chuy\u1ec1n ho\u1eb7c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng.<\/p>\n<h3 id=\"what-foam-materials-are-recommended-for-lost-foam-casting\"><strong>V\u1eadt li\u1ec7u b\u1ecdt n\u00e0o \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t? <\/strong><\/h3>\n<p>Polystyrene m\u1edf r\u1ed9ng (EPS) \u1edf m\u1eadt \u0111\u1ed9 1-1,5 lbs \/ cu.ft l\u00e0 ti\u00eau chu\u1ea9n. \u0110\u1ec3 ki\u1ec3m so\u00e1t carbon t\u1ed1t h\u01a1n trong \u0111\u00fac s\u1eaft, c\u00e1c \u0111\u1ed3ng polymer EPS-PMMA \u0111\u01b0\u1ee3c \u01b0a th\u00edch. Tr\u00e1nh b\u1ecdt ch\u1ed1ng ch\u00e1y \u0111\u1ec3 an to\u00e0n.<\/p>\n<h3 id=\"what-are-common-challenges-in-starting-lost-foam-casting-trials\"><strong>Nh\u1eefng th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn trong vi\u1ec7c b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t l\u00e0 g\u00ec? <\/strong><\/h3>\n<p>Thi\u1ebft k\u1ebf c\u1eeda ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u00f2ng ch\u1ea3y c\u00e1t, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 nh\u1ea5t qu\u00e1n, si\u00eau n\u00f3ng \u0111\u1ea7y \u0111\u1ee7 trong khi \u0111\u1ed5 v\u00e0 n\u00e9n b\u1eb1ng tay \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a khu\u00f4n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh c\u00e1c khi\u1ebfm khuy\u1ebft nh\u01b0 bao g\u1ed3m c\u00e1t ho\u1eb7c l\u1ea5p \u0111\u1ea7y kh\u00f4ng ho\u00e0n ch\u1ec9nh.<\/p>\n<h2 id=\"upgrade-your-lost-foam-casting-capabilities\"><strong>N\u00e2ng c\u1ea5p kh\u1ea3 n\u0103ng \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u1ee7a b\u1ea1n<\/strong><\/h2>\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, nh\u00e0 cung c\u1ea5p v\u00e0 nh\u00e0 m\u00e1y t\u00ecm c\u00e1ch m\u1edf r\u1ed9ng t\u1eeb nguy\u00ean m\u1eabu \u0111\u1ebfn s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/\"><strong>C\u00f4ng ngh\u1ec7 OC<\/strong><\/a>, l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u, nh\u00e0 cung c\u1ea5p v\u00e0 nh\u00e0 m\u00e1y thi\u1ebft b\u1ecb \u0111\u00fac b\u1ecdt m\u1ea5t th\u00f4ng minh cao c\u1ea5p, chuy\u00ean v\u1ec1 t\u1ef1 \u0111\u1ed9ng h\u00f3a cho khu v\u1ef1c tr\u1eafng v\u00e0 h\u01a1n th\u1ebf n\u1eefa. Cung c\u1ea5p c\u1ee7a h\u1ecd bao g\u1ed3m m\u00e1y t\u1ea5m b\u1ecdt EPS, m\u00e1y t\u1ea1o h\u00ecnh th\u1ee7y l\u1ef1c PLC ngang v\u00e0 d\u1ecdc, m\u00e1y s\u1ea5y kh\u00f4ng kh\u00ed kh\u00e1c nhau (trong nh\u00e0, g\u1eafn tr\u00ean, g\u1eafn sau), h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng trung t\u00e2m, m\u00e1y tr\u1ed9n s\u01a1n lo\u1ea1i thang m\u00e1y, silo tr\u01b0\u1edfng th\u00e0nh v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t turnkey. C\u00e1c gi\u1ea3i ph\u00e1p n\u00e0y t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 EPS \/ EPP c\u1ee7a \u0110\u1ee9c v\u1edbi b\u1eb1ng s\u00e1ng ch\u1ebf \u0111\u1ed9c l\u1eadp, cung c\u1ea5p hi\u1ec7u qu\u1ea3 cao, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cho c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/lien-he\/\"><strong>Li\u00ean h\u1ec7 v\u1edbi OC Technology<\/strong><\/a> th\u00f4ng qua trang web c\u1ee7a h\u1ecd t\u1ea1i <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/?referrer=grok.com\">https:\/\/www.oc-epc.com\/<\/a> \u0111\u1ec3 kh\u00e1m ph\u00e1 thi\u1ebft b\u1ecb t\u00f9y ch\u1ec9nh v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0110\u00fac b\u1ecdt b\u1ecb m\u1ea5t cung c\u1ea5p l\u1ee3i \u00edch to l\u1edbn nh\u01b0ng \u0111\u00e3 k\u00e9m hi\u1ec7u su\u1ea5t v\u1ec1 th\u01b0\u01a1ng m\u1ea1i h\u00f3a. M\u1ed9t ph\u1ea7n l\u00e0 do nh\u1eadn th\u1ee9c v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u00f2i h\u1ecfi v\u1ed1n \u0111\u1ea7u ti\u00ean l\u1edbn v\u00e0 chi ph\u00ed c\u00f4ng c\u1ee5 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh ch\u1ec9 th\u00edch h\u1ee3p cho s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn. Nh\u01b0ng c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 v\u00e0o thi\u1ebft b\u1ecb v\u1ed1n ho\u1eb7c th\u1eadm ch\u00ed c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111a d\u1ea1ng h\u00f3a th\u00e0nh [&hellip;]<\/p>","protected":false},"author":3,"featured_media":4777,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[160],"tags":[],"class_list":["post-4782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"jetpack_publicize_connections":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4782","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=4782"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4782\/revisions"}],"predecessor-version":[{"id":4783,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4782\/revisions\/4783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4777"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}