{"id":4140,"date":"2025-02-20T11:50:18","date_gmt":"2025-02-20T03:50:18","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4140"},"modified":"2025-02-18T16:39:13","modified_gmt":"2025-02-18T08:39:13","slug":"tai-sao-hat-eps-mo-rong-truoc-yeu-cau-truong-thanh-trong-cac-quy-trinh-duc-bot-bi-mat","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/why-pre-expanded-eps-beads-require-maturation-in-lost-foam-casting-processes\/","title":{"rendered":"T\u1ea1i sao c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc y\u00eau c\u1ea7u tr\u01b0\u1edfng th\u00e0nh trong c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t?"},"content":{"rendered":"

T\u1ed5ng quan v\u1ec1 vi\u1ec7c \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t v\u00e0 s\u1eed d\u1ee5ng h\u1ea1t EPS<\/b><\/strong><\/h2>\n

M\u1ea5t b\u1ecdt \u0111\u00fac<\/b><\/u><\/strong><\/a>\u00a0l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt tinh vi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong vi\u1ec7c \u0111\u00fac c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i.<\/p>\n

\"\"<\/p>\n

Vai tr\u00f2 trung t\u00e2m c\u1ee7a s\u1ef1 tr\u01b0\u1edfng th\u00e0nh \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc<\/b><\/strong><\/h2>\n

Tr\u01b0\u1edfng th\u00e0nh<\/b><\/u><\/strong><\/a>\u00a0l\u00e0 ch\u00eca kh\u00f3a trong c\u00f4ng ngh\u1ec7 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc.<\/p>\n

K\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh<\/strong><\/h3>\n

C\u00e1c h\u1ea1t EPS \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng tr\u01b0\u1edbc kh\u00f4ng \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y ngay sau qu\u00e1 tr\u00ecnh m\u1edf r\u1ed9ng.<\/p>\n

M\u1eadt \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u<\/strong><\/h3>\n

S\u1ef1 tr\u01b0\u1edfng th\u00e0nh c\u1ee7a h\u1ea1t EPS m\u1edf r\u1ed9ng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft trong s\u1ea3n xu\u1ea5t m\u1eabu b\u1ecdt v\u1edbi m\u1eadt \u0111\u1ed9 b\u1eb1ng nhau.<\/p>\n

Gi\u1ea3m \u0111\u1ed9 \u1ea9m<\/strong><\/h3>\n

C\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m \u01b0\u1edbt sau khi m\u1edf r\u1ed9ng \u0111\u1ea7u ti\u00ean.<\/p>\n

B\u1ecdt v\u00e0 t\u0103ng c\u01b0\u1eddng Fusion<\/strong><\/h3>\n

Tr\u01b0\u1edfng th\u00e0nh l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 h\u1ee3p nh\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng b\u1ecdt c\u1ee7a c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edfng th\u00e0nh trong qu\u00e1 tr\u00ecnh \u0111\u00fac.<\/p>\n

\u0110\u1ecbnh ngh\u0129a c\u1ee7a qu\u00e1 tr\u00ecnh tr\u01b0\u1edfng th\u00e0nh<\/b><\/strong><\/h2>\n

Qu\u00e1 tr\u00ecnh tr\u01b0\u1edfng th\u00e0nh th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c duy tr\u00ec c\u00e1c h\u1ea1t EPS \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng tr\u01b0\u1edbc trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong b\u1ea5t k\u1ef3 kho\u1ea3ng th\u1eddi gian n\u00e0o.<\/p>\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ef1 tr\u01b0\u1edfng th\u00e0nh k\u00e9m \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/b><\/strong><\/h2>\n

N\u1ebfu c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc kh\u00f4ng \u0111\u01b0\u1ee3c tr\u01b0\u1edfng th\u00e0nh, n\u00f3 s\u1ebd \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t:<\/p>\n

S\u1ef1 b\u1ea5t \u1ed5n v\u1ec1 chi\u1ec1u:<\/b><\/strong>\u00a0\u0110\u00fac c\u1ee7a h\u1ea1t ch\u01b0a tr\u01b0\u1edfng th\u00e0nh s\u1ebd l\u00e0m cong ho\u1eb7c co l\u1ea1i v\u00e0 do \u0111\u00f3 t\u1ea1o ra c\u00e1c v\u1eadt \u0111\u00fac sai v\u00e0 gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n

B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n: <\/b><\/strong>Ph\u1ea7n, khi \u0111\u00fac, c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t k\u1ebft th\u00fac b\u1ec1 m\u1eb7t k\u00e9m, g\u00f3p ph\u1ea7n v\u00e0o n\u1ed7 l\u1ef1c v\u00e0 th\u1eddi gian nhi\u1ec1u h\u01a1n trong kh\u00eda c\u1ea1nh h\u1eadu x\u1eed l\u00fd.<\/p>\n

Khi\u1ebfm khuy\u1ebft c\u1ea5u tr\u00fac: <\/b><\/strong>C\u00e1c h\u1ea1t tham gia kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 trong c\u1ea5u tr\u00fac b\u1ecdt d\u1eabn \u0111\u1ebfn c\u00e1c khu v\u1ef1c y\u1ebfu, v\u00e0 nh\u1eefng \u0111i\u1ec1u n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho c\u00e1c khi\u1ebfm khuy\u1ebft trong vi\u1ec7c \u0111\u00fac nh\u01b0 v\u00f9i kh\u00ed v\u00e0 \u0111\u1ed9 x\u1ed1p.<\/p>\n

T\u0103ng t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u:<\/b><\/strong>\u00a0T\u1ea5t c\u1ea3 nh\u1eefng khi\u1ebfm khuy\u1ebft n\u00e0y d\u1eabn \u0111\u1ebfn t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u t\u0103ng, do \u0111\u00f3 l\u00e0m t\u0103ng chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 gi\u1ea3m hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 trong qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

K\u1ebft qu\u1ea3 \u0111\u00fac kh\u00f4ng \u0111\u00e1ng tin c\u1eady: <\/b><\/strong>To\u00e0n b\u1ed9 k\u1ebft qu\u1ea3 \u0111\u00fac tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin c\u1eady, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n

5. L\u1ee3i \u00edch c\u1ee7a s\u1ef1 tr\u01b0\u1edfng th\u00e0nh th\u00edch h\u1ee3p c\u1ee7a \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t<\/b><\/strong><\/h2>\n

S\u1ef1 tr\u01b0\u1edfng th\u00e0nh th\u00edch h\u1ee3p c\u1ee7a c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc c\u00f3 nh\u1eefng l\u1ee3i \u00edch sau \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t:<\/p>\n

\u0110\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n trong \u0111\u00fac:<\/b><\/strong>\u00a0C\u00e1c m\u1eabu b\u1ecdt c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1ed3ng nh\u1ea5t t\u1ea1o ra c\u00e1c v\u1eadt \u0111\u00fac ch\u00ednh x\u00e1c v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n

C\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n:<\/b><\/strong>\u00a0M\u00f4 h\u00ecnh b\u1ecdt s\u1ea1ch v\u00e0 \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t t\u1ea1o ra c\u00e1c v\u1eadt \u0111\u00fac v\u1edbi k\u1ebft th\u00fac b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng ho\u00e0n thi\u1ec7n n\u1eb7ng.<\/p>\n

\u00cdt khuy\u1ebft \u0111i\u1ec3m h\u01a1n:<\/b><\/strong>\u00a0S\u1ef1 tr\u01b0\u1edfng th\u00e0nh v\u1eeba ph\u1ea3i l\u00e0m gi\u1ea3m c\u00e1c khi\u1ebfm khuy\u1ebft nh\u01b0 bao g\u1ed3m kh\u00ed, \u0111\u1ed9 x\u1ed1p v\u00e0 co r\u00fat trong qu\u00e1 tr\u00ecnh \u0111\u00fac th\u00e0nh ph\u1ea9m.<\/p>\n

Hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/b><\/strong>\u00a0C\u00e1c m\u1eabu b\u1ecdt ch\u1ea5t l\u01b0\u1ee3ng cao d\u1eabn \u0111\u1ebfn s\u1ea3n xu\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n v\u00e0 \u00edt l\u00e0m l\u1ea1i h\u01a1n, c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u00fac \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u1ed5ng th\u1ec3.<\/p>\n

Chi ph\u00ed th\u1ea5p h\u01a1n: <\/b><\/strong>V\u1edbi t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u th\u1ea5p h\u01a1n v\u00e0 nhu c\u1ea7u x\u1eed l\u00fd th\u00eam, s\u1ef1 tr\u01b0\u1edfng th\u00e0nh d\u1eabn \u0111\u1ebfn ti\u1ebft ki\u1ec7m chi ph\u00ed trong qu\u00e1 tr\u00ecnh \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n

\"\"<\/p>\n

6. C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u H\u00e0ng Ch\u00e2u, Ltd tr\u01b0\u1edfng th\u00e0nh Silo<\/b><\/strong><\/h2>\n

\u0110\u1ec3 tr\u1ea3i nghi\u1ec7m \u00e2m thanh v\u00e0 s\u1ef1 tr\u01b0\u1edfng th\u00e0nh ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c h\u1ea1t EPS m\u1edf r\u1ed9ng tr\u01b0\u1edbc, h\u00e3y truy c\u1eadp C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 H\u00e0ng Ch\u00e2u Ouchen<\/b><\/u><\/strong><\/a>Silo cho s\u1ef1 tr\u01b0\u1edfng th\u00e0nh.<\/p>","protected":false},"excerpt":{"rendered":"

Overview of Lost Foam Casting and Use of EPS Beads Lost foam casting\u00a0is a sophisticated technique applied in the casting of metal parts. Lost foam casting can also be described as evaporative pattern casting, which is a technique involving a foam pattern usually made of expanded polystyrene (EPS) that is coated with a refractory substance. […]<\/p>\n","protected":false},"author":3,"featured_media":4141,"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-4140","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\/4140","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=4140"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4140\/revisions"}],"predecessor-version":[{"id":4143,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4140\/revisions\/4143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4141"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4140"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}