{"id":4152,"date":"2025-02-27T11:50:32","date_gmt":"2025-02-27T03:50:32","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4152"},"modified":"2025-02-27T17:07:07","modified_gmt":"2025-02-27T09:07:07","slug":"chuan-bi-bot-cho-duc-bot-bi-mat","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/foam-preparation-for-lost-foam-casting\/","title":{"rendered":"Chu\u1ea9n b\u1ecb b\u1ecdt cho \u0111\u00fac x\u1ed1p b\u1ecb m\u1ea5t"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u: Ch\u00e0o m\u1eebng b\u1ea1n \u0111\u1ebfn v\u1edbi th\u1ebf gi\u1edbi x\u1ed1p c\u1ee7a \u0111\u00fac x\u1ed1p b\u1ecb m\u1ea5t<\/strong><\/h2>\n

Lost b\u1ecdt \u0111\u00fac \u0111\u00e3 t\u1ea1o ra m\u1ed9t n\u01a1i x\u1ee9ng \u0111\u00e1ng v\u00e0 kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c cho ch\u00ednh n\u00f3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n

C\u00f4ng b\u1ed1 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n<\/strong><\/h2>\n

Nh\u1eefng g\u00ec b\u1ecb m\u1ea5t b\u1ecdt \u0111\u00fac?<\/strong><\/h3>\n

M\u1ea5t b\u1ecdt \u0111\u00fac, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00fac m\u00f4 h\u00ecnh bay h\u01a1i, l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u00e0 m\u1eabu b\u1ecdt \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp s\u01a1n ch\u1ecbu l\u1eeda.<\/p>\n

Vai tr\u00f2 c\u01a1 b\u1ea3n c\u1ee7a b\u1ecdt trong \u0111\u00fac x\u1ed1p b\u1ecb m\u1ea5t<\/strong><\/h2>\n

M\u1eabu b\u1ecdt \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u00f4 h\u00ecnh ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00fac cu\u1ed1i c\u00f9ng.<\/p>\n

Nghi\u00ean c\u1ee9u v\u1eadt li\u1ec7u chu\u1ea9n b\u1ecb b\u1ecdt<\/strong><\/h2>\n

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u b\u1ecdt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean<\/strong><\/h3>\n

EPS (polystyrene m\u1edf r\u1ed9ng):<\/b><\/strong>\u00a0EPS \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i v\u1eadt li\u1ec7u b\u1ecdt trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

STMMA (styrene-methyl methacrylate copolyme): STMMA c\u00f3 k\u00edch th\u01b0\u1edbc theo chi\u1ec1u <\/b><\/strong>\u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ecbu t\u00e1c \u0111\u1ed9ng, nhi\u1ec1u h\u01a1n EPS.<\/p>\n

EPMMA (poly m\u1edf r\u1ed9ng (methyl methacrylate)):\u00a0<\/b><\/strong>EPMMA l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c thu\u1ed9c t\u00ednh t\u1ed1t nh\u1ea5t c\u1ee7a EPS v\u00e0 STMMA.<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi ch\u1ecdn v\u1eadt li\u1ec7u b\u1ecdt<\/strong><\/h2>\n

Y\u00eau c\u1ea7u \u0111\u00fac:\u00a0<\/b><\/strong>C\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a vi\u1ec7c \u0111\u00fac, t\u1ee9c l\u00e0, k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng v\u00e0 chi ti\u1ebft c\u1ee7a n\u00f3, s\u1ebd ra l\u1ec7nh cho v\u1eadt li\u1ec7u b\u1ecdt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n

Tr\u1ecb gi\u00e1:<\/b><\/strong>\u00a0Chi ph\u00ed lu\u00f4n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong s\u1ea3n xu\u1ea5t.<\/p>\n

C\u00e2n nh\u1eafc v\u1ec1 m\u00f4i tr\u01b0\u1eddng:\u00a0<\/b><\/strong>Nh\u1eadn th\u1ee9c v\u1ec1 m\u00f4i tr\u01b0\u1eddng ng\u00e0y nay \u0111ang t\u0103ng l\u00ean, v\u00e0 do \u0111\u00f3 kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf v\u00e0 m\u1ed1i quan t\u00e2m m\u00f4i tr\u01b0\u1eddng c\u1ee7a v\u1eadt li\u1ec7u b\u1ecdt c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n

M\u1ed9t ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u1ec1 qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb b\u1ecdt<\/strong><\/h2>\n

Pre-Expansion: Sinh tr\u00ean con \u0111\u01b0\u1eddng \u0111\u1ebfn b\u1ecdt<\/strong><\/h3>\n

M\u1edf r\u1ed9ng tr\u01b0\u1edbc l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ea7u ti\u00ean trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb b\u1ecdt trong \u0111\u00f3 c\u00e1c h\u1ea1t x\u1ed1p th\u00f4 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n.<\/p>\n

C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen.<\/b><\/u><\/strong><\/a>\u00a0M\u00e1y t\u1ea1o ti\u1ec1n tr\u01b0\u1edbc<\/b><\/u><\/strong><\/a>\u00a0\u00c1p d\u1ee5ng c\u00e1c hi\u1ec7p l\u1ef1c t\u1ea1o b\u1ecdt \u0111i\u1ec7n t\u1eeb v\u00e0 h\u01a1i n\u01b0\u1edbc v\u1edbi m\u1ee5c \u0111\u00edch \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 th\u00f9ng v\u00e0 tr\u00e1nh vi\u1ec7c t\u1ea1o ra c\u00e1c h\u1ea1t ch\u1ebft ch\u1ebft.<\/p>\n

L\u00e3o h\u00f3a: Th\u1eddi gian ch\u1edd \u0111\u1ee3i kh\u00f4ng th\u1ec3 thi\u1ebfu<\/strong><\/h3>\n

C\u00e1c h\u1ea1t x\u1ed1p m\u1edf r\u1ed9ng c\u1ea7n m\u1ed9t qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a sau khi m\u1edf r\u1ed9ng tr\u01b0\u1edbc.<\/p>\n

C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen Silo tr\u01b0\u1edfng th\u00e0nh<\/b><\/u><\/strong><\/a>\u00a0\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng \u00e1p su\u1ea5t trong c\u00e1c h\u1ea1t sau khi chu\u1ea9n b\u1ecb \u0111\u1ec3 ch\u00fang c\u00f3 \u0111\u1ee7 l\u1ef1c m\u1edf r\u1ed9ng t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00fac.<\/p>\n

\"Chu\u1ea9n<\/p>\n

\u0110\u00fac b\u1ecdt: Giai \u0111o\u1ea1n quan tr\u1ecdng nh\u1ea5t c\u1ee7a h\u00ecnh d\u1ea1ng m\u1eabu b\u1ecdt<\/strong><\/h3>\n

\u0110\u00fac b\u1ecdt \u0111\u1ec1 c\u1eadp \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u1ecbnh h\u00ecnh c\u00e1c h\u1ea1t x\u1ed1p m\u1edf r\u1ed9ng v\u00e0 gi\u00e0 v\u00e0o m\u1eabu b\u1ecdt c\u1ea7n thi\u1ebft.<\/p>\n

C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen. M\u00e1y \u0111\u00fac b\u1ecdt d\u1ecdc v\u00e0 ngang <\/b><\/u><\/strong><\/a>C\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn vi\u1ec7c t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a \u0111\u00fac khu\u00f4n b\u1ecb m\u1ea5t.<\/p>\n

\"Chu\u1ea9n<\/p>\n

\u0110i\u1ec3m ch\u00ednh trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb<\/strong><\/h2>\n

Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t tr\u01b0\u1edbc v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9<\/strong><\/h3>\n

Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u1ea5t ki\u1ec3m so\u00e1t vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ecdt.<\/p>\n

C\u00e1c ch\u1ec9 s\u1ed1 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh<\/strong><\/h3>\n

T\u1ec9 tr\u1ecdng:<\/b><\/strong>\u00a0M\u1eadt \u0111\u1ed9 b\u1ecdt l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng.<\/p>\n

\u0110\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 chi\u1ec1u: <\/b><\/strong>M\u1eabu b\u1ecdt ph\u1ea3i c\u00f3 k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc \u0111\u00fac cu\u1ed1i c\u00f9ng.<\/p>\n

Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t b\u1ecdt:<\/b><\/strong>\u00a0C\u00e1c m\u00f4 h\u00ecnh b\u1ecdt ho\u00e0n thi\u1ec7n ho\u00e0n thi\u1ec7n x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111\u00fac.<\/p>\n

C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn<\/strong><\/h2>\n

Nh\u1eadn d\u1ea1ng khuy\u1ebft t\u1eadt b\u1ecdt<\/strong><\/h3>\n

B\u1ecdt co ng\u00f3t:\u00a0<\/b><\/strong>S\u1ef1 co ng\u00f3t c\u1ee7a m\u1eabu b\u1ecdt c\u00f3 th\u1ec3 di\u1ec5n ra trong chu k\u1ef3 l\u00e0m m\u00e1t ho\u1eb7c sau khi \u0111\u00fac \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n

S\u1ef1 bi\u1ebfn d\u1ea1ng:\u00a0<\/b><\/strong>S\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a m\u1eabu b\u1ecdt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u00e2y ra b\u1edfi x\u1eed l\u00fd sai, s\u01b0\u1edfi \u1ea5m kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t ho\u1eb7c \u00e1p l\u1ef1c qu\u00e1 m\u1ee9c trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb.<\/p>\n

\u0110\u1ed9 x\u1ed1p:<\/b><\/strong>\u00a0\u0110\u1ed9 x\u1ed1p trong m\u1eabu b\u1ecdt c\u00f3 th\u1ec3 l\u00e0 do s\u1ef1 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c h\u1ea1t b\u1ecdt li\u00ean k\u1ebft v\u1edbi nhau trong qu\u00e1 tr\u00ecnh \u0111\u00fac ho\u1eb7c b\u1ecdt kh\u00ed trong b\u1ecdt.<\/p>\n

Gi\u1ea3i ph\u00e1p nh\u1eafm m\u1ee5c ti\u00eau<\/strong><\/h3>\n

\u0110\u1ed1i v\u1edbi co ng\u00f3t b\u1ecdt:\u00a0<\/b><\/strong>S\u1ef1 co ng\u00f3t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch duy tr\u00ec \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t c\u1ee7a m\u1eabu b\u1ecdt.<\/p>\n

Cho bi\u1ebfn d\u1ea1ng:<\/b><\/strong>Thao t\u00e1c \u0111\u00fang c\u1ee7a m\u1eabu b\u1ecdt trong giai \u0111o\u1ea1n chu\u1ea9n b\u1ecb l\u00e0 c\u1ea7n thi\u1ebft.<\/p>\n

Cho \u0111\u1ed9 x\u1ed1p:<\/b><\/strong>\u00a0T\u0103ng s\u1ef1 tan ch\u1ea3y c\u1ee7a c\u00e1c h\u1ea1t b\u1ecdt trong qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1eb1ng c\u00e1ch t\u0103ng \u00e1p su\u1ea5t v\u00e0 th\u1eddi gian h\u01a1i n\u01b0\u1edbc c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 x\u1ed1p.<\/p>\n

K\u1ebft lu\u1eadn: T\u00f3m t\u1eaft v\u00e0 ph\u1ea3n \u00e1nh<\/strong><\/h2>\n

Trong t\u1ea5t c\u1ea3, chu\u1ea9n b\u1ecb b\u1ecdt l\u00e0 m\u1ed9t ph\u1ea7n r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

Introduction: Welcome to the Foam World of Lost Foam Casting Lost foam casting has created a deserving and irreparable place for itself in modern industry. It is state-of-the-art generation casting technology that has permeated extensively in various industries from automobile production to aviation engineering. The magic behind this new-generation casting is in foam preparation, an […]<\/p>\n","protected":false},"author":3,"featured_media":4153,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[160],"tags":[],"class_list":["post-4152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4152","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=4152"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4152\/revisions"}],"predecessor-version":[{"id":4155,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4152\/revisions\/4155"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4153"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4152"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}