{"id":4739,"date":"2025-12-19T11:50:07","date_gmt":"2025-12-19T03:50:07","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4739"},"modified":"2025-12-15T11:46:05","modified_gmt":"2025-12-15T03:46:05","slug":"tu-hat-den-bot-qua-trinh-mo-rong-truoc-eps","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/vi\/news-blog\/industry-news\/from-beads-to-foam-the-eps-pre-expander-process\/","title":{"rendered":"T\u1eeb h\u1ea1t \u0111\u1ebfn b\u1ecdt: Qu\u00e1 tr\u00ecnh m\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS"},"content":{"rendered":"<p>Polystyrene m\u1edf r\u1ed9ng (EPS) \u0111\u00f3ng vai tr\u00f2 l\u00e0 v\u1eadt li\u1ec7u m\u1eabu c\u01a1 b\u1ea3n trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, cho ph\u00e9p t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n kim lo\u1ea1i ph\u1ee9c t\u1ea1p v\u1edbi h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u01b0\u1eddng chia t\u1ed1i thi\u1ec3u. C\u00e1c <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/danh-muc-san-pham\/may-tao-bot-truoc\/\"><strong>M\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS<\/strong><\/a> qu\u00e1 tr\u00ecnh l\u00e0 giai \u0111o\u1ea1n ban \u0111\u1ea7u quan tr\u1ecdng chuy\u1ec3n \u0111\u1ed5i h\u1ea1t th\u00f4 d\u00e0y \u0111\u1eb7c th\u00e0nh m\u1eadt \u0111\u1ed9 th\u1ea5p, m\u00f4 h\u00ecnh \u0111\u1ed3ng nh\u1ea5t c\u1ea7n thi\u1ebft cho \u0111\u00fac b\u1ed1c h\u01a1i. Giai \u0111o\u1ea1n n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u00f4 h\u00ecnh, \u0111\u1ed9 ch\u00ednh x\u00e1c chi\u1ec1u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00fac t\u1ed5ng th\u1ec3 trong c\u00e1c \u1ee9ng d\u1ee5ng b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y ki\u1ec3m tra qu\u00e1 tr\u00ecnh m\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, chi ti\u1ebft c\u00e1c nguy\u00ean t\u1eafc khoa h\u1ecdc, ho\u1ea1t \u0111\u1ed9ng t\u1eebng b\u01b0\u1edbc v\u00e0 ti\u00eau chu\u1ea9n l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb. T\u1ed1i \u01b0u h\u00f3a \u1edf giai \u0111o\u1ea1n n\u00e0y l\u00e0m gi\u1ea3m c\u00e1c khi\u1ebfm khuy\u1ebft nh\u01b0 s\u1ee5p \u0111\u1ed5 m\u00f4 h\u00ecnh, \u0111\u1ed9 x\u1ed1p kh\u00ed v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t trong \u0111\u00fac kim lo\u1ea1i cu\u1ed1i c\u00f9ng.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/12\/EPS-Pre-Expander-machine-manufacturer-in-China.webp\" alt=\"Nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y EPS Pre-Expander \u1edf Trung Qu\u1ed1c\" \/><\/div>\n<h2 id=\"the-magic-behind-eps-pre-expansion\"><strong>Ph\u00e9p thu\u1eadt \u0111\u1eb1ng sau EPS Pre-Expansion<\/strong><\/h2>\n<p>H\u1ea1t EPS th\u00f4 b\u1eaft \u0111\u1ea7u d\u01b0\u1edbi d\u1ea1ng h\u1ea1t nh\u1ecf g\u1ecdn c\u00f3 ch\u1ee9a pentan l\u00e0m ch\u1ea5t th\u1ed5i. Trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t, s\u1ef1 m\u1edf r\u1ed9ng tr\u01b0\u1edbc k\u00edch ho\u1ea1t ch\u1ea5t n\u00e0y th\u00f4ng qua nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t g\u1ea5p 20-50 l\u1ea7n trong khi \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 th\u1ea5p \u0111\u1ebfn 15-25 kg \/ m\u00b3. Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o c\u00e1c m\u00f4 h\u00ecnh ch\u1ecbu \u0111\u01b0\u1ee3c l\u1edbp ph\u1ee7 v\u00e0 kim lo\u1ea1i n\u00f3ng ch\u1ea3y \u0111\u1ed5 m\u00e0 kh\u00f4ng b\u1ed1c h\u01a1i s\u1edbm ho\u1eb7c t\u00edch t\u1ee5 d\u01b0 l\u01b0\u1ee3ng.<\/p>\n<p>C\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng tr\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t gi\u1ea3m thi\u1ec3u kho\u1ea3ng tr\u1ed1ng trong c\u1ee5m m\u1eabu, th\u00fac \u0111\u1ea9y s\u1ef1 ch\u00e1y ki\u1ec7t nh\u1ea5t qu\u00e1n trong qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 t\u0103ng c\u01b0\u1eddng kim lo\u1ea1i l\u1ea5p \u0111\u1ea7y trong c\u00e1c ph\u1ea7n m\u1ecfng. M\u00e1y m\u1edf r\u1ed9ng tr\u01b0\u1edbc ti\u00ean ti\u1ebfn k\u1ebft h\u1ee3p nhi\u1ec7t \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 th\u00f9ng \u1edf 98 \u00b0 C, lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m v\u00e0 ng\u0103n ng\u1eeba &#8220; h\u1ea1t ch\u1ebft&#8221; \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u00fac bao g\u1ed3m.<\/p>\n<h2 id=\"eps-pre-expansion-process\"><strong>Qu\u00e1 tr\u00ecnh m\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS<\/strong><\/h2>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y tu\u00e2n theo m\u1ed9t con \u0111\u01b0\u1eddng li\u00ean ti\u1ebfp \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho s\u1ea3n xu\u1ea5t m\u1eabu b\u1ecdt b\u1ecb m\u1ea5t, \u0111\u1ea3m b\u1ea3o t\u00ednh h\u00ecnh c\u1ea7u h\u1ea1t, \u0111\u1ed9 m\u1ecbn b\u1ec1 m\u1eb7t v\u00e0 m\u1eadt \u0111\u1ed9 nh\u1ea5t qu\u00e1n.<\/p>\n<h3 id=\"step-1-bead-loading-batch-or-continuous\"><strong>B\u01b0\u1edbc 1: T\u1ea3i h\u1ea1t (Batch ho\u1eb7c li\u00ean t\u1ee5c)<\/strong><\/h3>\n<ul>\n<li><strong>Lo\u1ea1t Pre-Expanders<\/strong>: C\u00e1c h\u1ea1t EPS \u0111\u01b0\u1ee3c c\u00e2n tr\u01b0\u1edbc t\u1ea3i v\u00e0o b\u00ecnh \u00e1p su\u1ea5t, th\u00edch h\u1ee3p cho c\u00e1c l\u1edbp b\u1ecdt b\u1ecb m\u1ea5t chuy\u00ean d\u1ee5ng y\u00eau c\u1ea7u dung sai m\u1eadt \u0111\u1ed9 ch\u1eb7t ch\u1ebd.<\/li>\n<li><strong>Tr\u01b0\u1edbc m\u1edf r\u1ed9ng li\u00ean t\u1ee5c<\/strong>: V\u00edt \u0111o cung c\u1ea5p d\u00f2ng ch\u1ea3y h\u1ea1t \u1ed5n \u0111\u1ecbnh, l\u00fd t\u01b0\u1edfng cho s\u1ea3n xu\u1ea5t m\u00f4 h\u00ecnh kh\u1ed1i l\u01b0\u1ee3ng cao trong c\u00e1c d\u00e2y chuy\u1ec1n \u0111\u00fac t\u1ef1 \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p>H\u1ec7 th\u1ed1ng c\u00e2n \u0111i\u1ec7n t\u1eed \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b1 1 gram, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i trong c\u00e1c c\u1ee5m b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n<h3 id=\"step-2-pre-steaming-optional\"><strong>B\u01b0\u1edbc 2: Tr\u01b0\u1edbc h\u01a1i (T\u00f9y ch\u1ecdn)<\/strong><\/h3>\n<p>H\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t th\u1ea5p lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m b\u1ec1 m\u1eb7t trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00f4, ng\u0103n ch\u1eb7n n\u1ee9t h\u1ea1t v\u00e0 \u0111\u1ea3m b\u1ea3o k\u00edch ho\u1ea1t pentan. B\u01b0\u1edbc n\u00e0y ch\u1ee9ng minh l\u00e0 c\u1ea7n thi\u1ebft cho c\u00e1c l\u1edbp b\u1ecdt b\u1ecb m\u1ea5t m\u1edf r\u1ed9ng cao d\u1ec5 b\u1ecb s\u1ed1c nhi\u1ec7t.<\/p>\n<h3 id=\"step-3-heating\"><strong>B\u01b0\u1edbc 3: S\u01b0\u1edfi \u1ea5m<\/strong><\/h3>\n<p>H\u1ec7 th\u1ed1ng lai \u0111i\u1ec7n t\u1eeb v\u00e0 h\u01a1i n\u01b0\u1edbc l\u00e0m n\u00f3ng bu\u1ed3ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. \u0110i\u1ec1u khi\u1ec3n PLC v\u1edbi van t\u1ef7 l\u1ec7 Baode duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, k\u00edch ho\u1ea1t pentan m\u00e0 kh\u00f4ng l\u00e0m n\u00f3ng qu\u00e1 ma tr\u1eadn polystyrene. Theo d\u00f5i li\u00ean t\u1ee5c ng\u0103n ch\u1eb7n bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 g\u00e2y ra c\u1ea5u tr\u00fac t\u1ebf b\u00e0o b\u1ea5t th\u01b0\u1eddng trong c\u00e1c m\u00f4 h\u00ecnh.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/12\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed.webp\" alt=\"M\u00e1y t\u1ea1o ti\u1ec1n s\u1eb5n ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng (bao g\u1ed3m c\u1ea3 gi\u01b0\u1eddng s\u1ea5y l\u1ecfng)\" \/><\/div>\n<h3 id=\"step-4-pressurization\"><strong>B\u01b0\u1edbc 4: \u00c1p su\u1ea5t<\/strong><\/h3>\n<p>Vi\u1ec7c t\u00edch t\u1ee5 \u00e1p su\u1ea5t d\u1ea7n d\u1ea7n l\u00e0m m\u1ec1m ma tr\u1eadn h\u1ea1t v\u00e0 ph\u00e2n ph\u1ed1i pentan m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u. Ph\u1ea1m vi t\u1ed1i \u01b0u (th\u01b0\u1eddng l\u00e0 0,5-1,5 bar) chu\u1ea9n b\u1ecb h\u1ea1t \u0111\u1ec3 m\u1edf r\u1ed9ng nhanh ch\u00f3ng trong khi tr\u00e1nh gi\u1ea3i ph\u00f3ng kh\u00ed s\u1edbm d\u1eabn \u0111\u1ebfn s\u1ef1 m\u1ecfng manh c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<h3 id=\"step-5-depressurization\"><strong>B\u01b0\u1edbc 5: Gi\u1ea3m \u00e1p su\u1ea5t<\/strong><\/h3>\n<p>Vi\u1ec7c gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t nhanh ch\u00f3ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t k\u00edch ho\u1ea1t s\u1ef1 m\u1edf r\u1ed9ng pentane, th\u1ed5i h\u1ea1t \u0111\u1ebfn k\u00edch th\u01b0\u1edbc m\u1ee5c ti\u00eau. T\u1ef7 l\u1ec7 gi\u1ea3m \u00e1p nhanh \u0111\u1ea3m b\u1ea3o \u0111\u1ea7y \u0111\u1ee7, h\u1ea1t kh\u00f4ng v\u1ee1 v\u1edbi b\u1ec1 m\u1eb7t m\u1ecbn - r\u1ea5t quan tr\u1ecdng cho \u0111\u1ed9 d\u00ednh d\u00e1ng l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y trong c\u00e1c quy tr\u00ecnh b\u1ecdt b\u1ecb m\u1ea5t.<\/p>\n<h3 id=\"step-6-cooling\"><strong>B\u01b0\u1edbc 6: L\u00e0m m\u00e1t<\/strong><\/h3>\n<p>L\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed t\u00edch h\u1ee3p ho\u1eb7c gi\u01b0\u1eddng ch\u1ea3y \u1ed5n \u0111\u1ecbnh c\u00e1c c\u1ea5u tr\u00fac m\u1edf r\u1ed9ng ngay l\u1eadp t\u1ee9c. Thi\u1ebft k\u1ebf x\u1ea3 d\u01b0\u1edbi c\u00f9ng v\u1edbi th\u1ed5i kh\u00f4ng kh\u00ed n\u00e9n ng\u0103n ch\u1eb7n s\u1ef1 t\u1ee5 t\u1eadp h\u1ea1t v\u00e0 l\u00e0m m\u00e1t bu\u1ed3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, duy tr\u00ec th\u1eddi gian chu k\u1ef3 d\u01b0\u1edbi 5 ph\u00fat m\u1ed7i l\u00f4.<\/p>\n<h3 id=\"step-7-discharge\"><strong>B\u01b0\u1edbc 7: Ph\u00e1t \u0111i\u1ec7n<\/strong><\/h3>\n<ul>\n<li><strong>H\u1ec7 th\u1ed1ng Batch<\/strong>: D\u1ee1 t\u1ea3i b\u1eb1ng tay ho\u1eb7c t\u1ef1 \u0111\u1ed9ng v\u00e0o silo tr\u01b0\u1edfng th\u00e0nh.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng li\u00ean t\u1ee5c<\/strong>: Chuy\u1ec3n kh\u00ed n\u00e9n \u0111\u1ebfn l\u01b0u tr\u1eef v\u1edbi m\u00e0n h\u00ecnh rung n\u1ed9i tuy\u1ebfn \u0111\u1ec3 l\u1ecdc s\u01a1 b\u1ed9.<\/li>\n<\/ul>\n<p>M\u00e0n h\u00ecnh th\u00e9p kh\u00f4ng g\u1ec9 hai l\u1edbp lo\u1ea1i b\u1ecf h\u1ea1t d\u01b0\u1edbi k\u00edch th\u01b0\u1edbc ho\u1eb7c n\u00f3ng ch\u1ea3y tr\u01b0\u1edbc khi tr\u01b0\u1edfng th\u00e0nh, \u0111\u1ea3m b\u1ea3o ch\u1ec9 c\u00f3 c\u00e1c m\u1eabu \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfn h\u00e0nh nh\u00f3m.<\/p>\n<p><strong>Ki\u1ec3m so\u00e1t quy tr\u00ecnh b\u1ed5 sung cho c\u00e1c \u1ee9ng d\u1ee5ng b\u1ecdt b\u1ecb m\u1ea5t<\/strong>:<\/p>\n<ul>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a th\u1eddi gian c\u01b0 tr\u00fa<\/strong>2-4 ph\u00fat \u1edf \u0111i\u1ec1u ki\u1ec7n cao \u0111i\u1ec3m t\u1ea1o ra m\u1eadt \u0111\u1ed9 ph\u00f9 h\u1ee3p cho \u0111\u00fac nh\u00f4m, s\u1eaft ho\u1eb7c th\u00e9p.<\/li>\n<li><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng s\u1ed1<\/strong>: H\u1ec7 th\u1ed1ng PLC l\u01b0u tr\u1eef c\u00e1c c\u00f4ng th\u1ee9c tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 theo d\u00f5i \u0111\u01b0\u1ee3c c\u00e1c h\u1ee3p kim \u0111\u00fac c\u1ee5 th\u1ec3.<\/li>\n<li><strong>T\u00edch h\u1ee3p tr\u01b0\u1edfng th\u00e0nh<\/strong>: Chuy\u1ec3n tr\u1ef1c ti\u1ebfp \u0111\u1ebfn silo l\u00e3o h\u00f3a cho ph\u00e9p khu\u1ebfch t\u00e1n pentan, thay th\u1ebf b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh chi\u1ec1u trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p m\u00f4 h\u00ecnh.<\/li>\n<\/ul>\n<h2 id=\"choosing-the-right-eps-pre-expander-machine-batch-vs.-continuous\"><strong>Ch\u1ecdn m\u00e1y m\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS ph\u00f9 h\u1ee3p: Batch vs. Li\u00ean t\u1ee5c<\/strong><\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00fac, \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 t\u00edch h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb b\u1ecdt b\u1ecb m\u1ea5t h\u1ea1 l\u01b0u.<\/p>\n<h3 id=\"batch-eps-pre-expander-machine\"><strong>M\u00e1y m\u1edf r\u1ed9ng tr\u01b0\u1edbc l\u00f4 EPS<\/strong><\/h3>\n<p>H\u1ec7 th\u1ed1ng l\u00f4 xu\u1ea5t s\u1eafc v\u1ec1 t\u00ednh linh ho\u1ea1t cho k\u00edch th\u01b0\u1edbc m\u00f4 h\u00ecnh \u0111a d\u1ea1ng v\u00e0 y\u00eau c\u1ea7u h\u1ee3p kim t\u00f9y ch\u1ec9nh.<\/p>\n<p><strong>L\u1ee3i th\u1ebf ch\u00ednh<\/strong>:<\/p>\n<ul>\n<li>\u0110\u1ed3ng nh\u1ea5t h\u1ea1t cao c\u1ea5p cho c\u00e1c m\u1eabu b\u1ecdt b\u1ecb m\u1ea5t ph\u1ee9c t\u1ea1p.<\/li>\n<li>\u0110\u1ea7u t\u01b0 ban \u0111\u1ea7u th\u1ea5p h\u01a1n cho c\u00e1c nh\u00e0 m\u00e1y \u0111\u00fac m\u1edbi n\u1ed5i.<\/li>\n<li>\u0110\u01a1n gi\u1ea3n h\u00f3a b\u1ea3o tr\u00ec v\u00e0 \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng s\u1ed1.<\/li>\n<\/ul>\n<p><strong>H\u1ea1n ch\u1ebf<\/strong>:<\/p>\n<ul>\n<li>C\u00f4ng su\u1ea5t trung b\u00ecnh cho s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn.<\/li>\n<li>Lao \u0111\u1ed9ng cao h\u01a1n cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u1ee7 c\u00f4ng m\u00e0 kh\u00f4ng c\u1ea7n b\u1ed5 sung t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/li>\n<\/ul>\n<h3 id=\"eps-continuous-pre-expander-machine\"><strong>M\u00e1y m\u1edf r\u1ed9ng tr\u01b0\u1edbc li\u00ean t\u1ee5c EPS<\/strong><\/h3>\n<p>V\u1eadn h\u00e0nh li\u00ean t\u1ee5c h\u1ed7 tr\u1ee3 c\u00e1c d\u00e2y chuy\u1ec1n b\u1ecdt b\u1ecb m\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng cao s\u1ea3n xu\u1ea5t c\u00e1c kh\u1ed1i \u0111\u1ed9ng c\u01a1 ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac.<\/p>\n<p><strong>L\u1ee3i th\u1ebf ch\u00ednh<\/strong>:<\/p>\n<ul>\n<li>S\u1ea3n l\u01b0\u1ee3ng v\u01b0\u1ee3t qu\u00e1 500 kg \/ gi\u1edd cho c\u00e2n c\u00f4ng nghi\u1ec7p.<\/li>\n<li>S\u1ef1 can thi\u1ec7p t\u1ed1i thi\u1ec3u c\u1ee7a nh\u00e0 \u0111i\u1ec1u h\u00e0nh v\u1edbi t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u1ea7y \u0111\u1ee7.<\/li>\n<li>M\u1eadt \u0111\u1ed9 nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c chuy\u1ebfn ch\u1ea1y d\u00e0i.<\/li>\n<\/ul>\n<p><strong>H\u1ea1n ch\u1ebf<\/strong>:<\/p>\n<ul>\n<li>Chi ph\u00ed v\u1ed1n v\u00e0 y\u00eau c\u1ea7u kh\u00f4ng gian cao h\u01a1n.<\/li>\n<li>Chu\u1ed7i kh\u1edfi \u0111\u1ed9ng \/ t\u1eaft ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<p><strong>C\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng cho t\u00edch h\u1ee3p b\u1ecdt b\u1ecb m\u1ea5t<\/strong>:<\/p>\n<ul>\n<li>N\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng t\u1eeb xa \u0111\u1ec3 tinh ch\u1ec9nh quy tr\u00ecnh.<\/li>\n<li>B\u1ea3o v\u1ec7 r\u00f2 r\u1ec9 v\u00e0 c\u1eaft \u0111i\u1ec7n.<\/li>\n<li>L\u1ecdc m\u00e0n h\u00ecnh rung \u0111\u1ebfn th\u00f9ng tr\u01b0\u1edfng th\u00e0nh.<\/li>\n<li>Ho\u1ea1t \u0111\u1ed9ng m\u1ed9t nh\u1ea5p chu\u1ed9t v\u1edbi th\u01b0 vi\u1ec7n th\u00f4ng s\u1ed1 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef.<\/li>\n<\/ul>\n<h2 id=\"conclusion\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n<p>Vi\u1ec7c l\u00e0m ch\u1ee7 qu\u00e1 tr\u00ecnh m\u1edf r\u1ed9ng tr\u01b0\u1edbc EPS quy\u1ebft \u0111\u1ecbnh th\u00e0nh c\u00f4ng trong \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t. Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c m\u1eadt \u0111\u1ed9 h\u1ea1t, ph\u00e2n ph\u1ed1i k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t d\u1ecbch tr\u1ef1c ti\u1ebfp th\u00e0nh \u0111\u00fac kim lo\u1ea1i kh\u00f4ng c\u00f3 l\u1ed7i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c chi\u1ec1u v\u00e0 \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i. Cho d\u00f9 th\u1ef1c hi\u1ec7n c\u00e1c h\u1ec7 th\u1ed1ng l\u00f4 \u0111\u1ec3 linh ho\u1ea1t m\u1eabu nguy\u00ean m\u1eabu ho\u1eb7c c\u00e1c d\u00e2y chuy\u1ec1n li\u00ean t\u1ee5c cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, s\u1ef1 s\u1eafp x\u1ebfp v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00fac v\u1eabn l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng.<\/p>\n<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/\"><strong>C\u00f4ng ngh\u1ec7 OC<\/strong><\/a> \u0111\u1ee9ng nh\u01b0 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 m\u00e1y t\u1ea1o b\u1ecdt tr\u01b0\u1edbc ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng v\u1edbi gi\u01b0\u1eddng s\u1ea5y fluidized, OC Technology cung c\u1ea5p c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n PLC c\u00f3 t\u00ednh n\u0103ng s\u01b0\u1edfi \u1ea5m lai \u0111i\u1ec7n t\u1eeb-h\u01a1i n\u01b0\u1edbc, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u00e2n \u00b11g v\u00e0 ch\u1ea9n \u0111o\u00e1n t\u1eeb xa. M\u00f4 h\u00ecnh OC-YF-Y450 v\u00e0 OC-YF-Y550 t\u1ed1i \u01b0u h\u00f3a s\u1ea3n xu\u1ea5t m\u00f4 h\u00ecnh EPS cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u00f4m, s\u1eaft v\u00e0 th\u00e9p.<\/p>\n<h2 id=\"faq\"><strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n<p><strong>Q: Ph\u1ea1m vi m\u1eadt \u0111\u1ed9 n\u00e0o l\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1eabu b\u1ecdt b\u1ecb m\u1ea5t?<\/strong><br \/>\nA: 15-25 kg \/ m\u00b3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u00f4 h\u00ecnh trong qu\u00e1 tr\u00ecnh l\u1edbp ph\u1ee7 trong khi cho ph\u00e9p \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng c\u00f3 d\u01b0 l\u01b0\u1ee3ng.<\/p>\n<p><strong>Q: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u00e0m s\u01b0\u1edfi \u1ea5m \u0111i\u1ec7n t\u1eeb c\u1ea3i thi\u1ec7n tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng?<\/strong><br \/>\nA: N\u00f3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 th\u00f9ng kh\u00f4, \u1ed5n \u0111\u1ecbnh 98 \u00b0 C, lo\u1ea1i b\u1ecf h\u1ea1t ch\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac t\u1ebf b\u00e0o \u0111\u1ed3ng nh\u1ea5t.<\/p>\n<p><strong>Q: C\u00f9ng m\u1ed9t b\u1ed9 m\u1edf r\u1ed9ng tr\u01b0\u1edbc c\u00f3 th\u1ec3 x\u1eed l\u00fd EPS, EPP v\u00e0 \u0111\u1ed3ng polymer kh\u00f4ng?<\/strong><br \/>\nA: C\u00f3, v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng s\u1ed1 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef cho c\u00e1c c\u00f4ng th\u1ee9c n\u1ea5u \u0103n c\u1ee5 th\u1ec3 v\u1ec1 v\u1eadt li\u1ec7u.<\/p>\n<p><strong>Q: Vai tr\u00f2 c\u1ee7a gi\u01b0\u1eddng s\u1ea5y ch\u1ea5t l\u1ecfng l\u00e0 g\u00ec?<\/strong><br \/>\nA: Ch\u00fang cung c\u1ea5p l\u00e0m m\u00e1t ngay l\u1eadp t\u1ee9c v\u00e0 s\u00e0ng l\u1ecdc s\u01a1 b\u1ed9, ng\u0103n ch\u1eb7n s\u1ef1 t\u1ee5 t\u1eadp v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng tr\u01b0\u1edfng th\u00e0nh.<\/p>\n<p><strong>Q: Th\u1eddi gian tr\u01b0\u1edfng th\u00e0nh sau khi m\u1edf r\u1ed9ng tr\u01b0\u1edbc l\u00e0 bao l\u00e2u?<\/strong><br \/>\nA: Th\u00f4ng th\u01b0\u1eddng l\u00e0 6-24 gi\u1edd, t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 h\u00e0m l\u01b0\u1ee3ng pentan.<\/p>\n<h2 id=\"contact-oc-technology-premier-lost-foam-equipment-manufacturer-supplier\"><strong>Li\u00ean h\u1ec7 v\u1edbi C\u00f4ng ngh\u1ec7 OC - Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb b\u1ecdt b\u1ecb m\u1ea5t h\u00e0ng \u0111\u1ea7u &amp; Nh\u00e0 cung c\u1ea5p<\/strong><\/h2>\n<p>N\u00e2ng hi\u1ec7u qu\u1ea3 \u0111\u00fac b\u1ecdt b\u1ecb m\u1ea5t v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p m\u1edf r\u1ed9ng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c ch\u1ee9ng minh t\u1eeb C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 Hangzhou Ouchen L\u00e0 m\u1ed9t nh\u00e0 m\u00e1y \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp cung c\u1ea5p <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/cac-san-pham\/\"><strong>h\u1ec7 th\u1ed1ng EPC th\u00f4ng minh<\/strong><\/a> Tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, OC Technology cung c\u1ea5p m\u00e1y t\u1ea1o b\u1ecdt ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch.<\/p>\n<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/vi\/lien-he\/\"><strong>Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 t\u00f9y ch\u1ec9nh h\u00f4m nay<\/strong><\/a>:<\/p>\n<ul>\n<li>Tel: +86 15988479417<\/li>\n<li>E-mail: <a style=\"text-decoration: underline;\" href=\"mailto:zyh@oc-epc.com\">zyh@oc-epc.com<\/a><\/li>\n<\/ul>\n<p>S\u1ea3n xu\u1ea5t m\u00f4 h\u00ecnh chuy\u1ec3n \u0111\u1ed5i - h\u1ee3p t\u00e1c v\u1edbi OC Technology cho c\u00e1c gi\u1ea3i ph\u00e1p b\u1ecdt b\u1ecb m\u1ea5t t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>","protected":false},"excerpt":{"rendered":"<p>Expanded Polystyrene (EPS) serves as the foundational pattern material in lost foam casting, enabling the creation of complex metal components with intricate geometries and minimal parting lines. The EPS pre-expansion process stands as the critical initial phase that converts dense raw beads into low-density, uniform patterns essential for evaporative casting. This stage directly impacts pattern [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4735,"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":[160],"tags":[],"class_list":["post-4739","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\/4739","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=4739"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4739\/revisions"}],"predecessor-version":[{"id":4740,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/posts\/4739\/revisions\/4740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media\/4735"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/media?parent=4739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/categories?post=4739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/vi\/wp-json\/wp\/v2\/tags?post=4739"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}