{"id":7168,"date":"2024-12-02T04:26:31","date_gmt":"2024-12-02T04:26:31","guid":{"rendered":"https:\/\/protech-transfer.com\/2024\/12\/02\/gas-porosity-in-jewelry-casting\/"},"modified":"2026-04-28T17:47:18","modified_gmt":"2026-04-28T17:47:18","slug":"gas-porosity-in-jewelry-casting","status":"publish","type":"post","link":"https:\/\/protech-transfer.com\/vi\/2024\/12\/02\/gas-porosity-in-jewelry-casting\/","title":{"rendered":"R\u1ed7 kh\u00ed trong \u0111\u00fac trang s\u1ee9c"},"content":{"rendered":"<h3>Gas Porosity l\u00e0 g\u00ec?<\/h3>\n<p>R\u1ed7 kh\u00ed l\u00e0 nh\u1eefng l\u1ed7 tr\u00f2n nh\u1ecf xu\u1ea5t hi\u1ec7n b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t kim lo\u1ea1i \u0111\u00fac.<br \/>\nNh\u1eefng l\u1ed7 n\u00e0y th\u01b0\u1eddng tr\u01a1n \u2013 tr\u00f2n \u2013 \u0111\u1ec1u, kh\u00e1c v\u1edbi r\u1ed7 co ng\u00f3t v\u1ed1n m\u00e9o m\u00f3 \u2013 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.\u0110\u00f4i khi hai lo\u1ea1i r\u1ed7 n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n c\u00f9ng l\u00fac, khi\u1ebfn vi\u1ec7c nh\u1eadn bi\u1ebft tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n<h3>Gas Porosity h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>R\u1ed7 kh\u00ed xu\u1ea5t hi\u1ec7n khi kh\u00ed b\u1ecb m\u1eafc k\u1eb9t b\u00ean trong kim lo\u1ea1i khi kim lo\u1ea1i \u0111\u00f4ng \u0111\u1eb7c.Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra v\u00ec kim lo\u1ea1i l\u1ecfng ch\u1ee9a nhi\u1ec1u kh\u00ed h\u01a1n kim lo\u1ea1i r\u1eafn.N\u1ebfu kim lo\u1ea1i l\u1ecfng ch\u1ee9a qu\u00e1 nhi\u1ec1u kh\u00ed, kh\u00ed s\u1ebd b\u1ecb gi\u1eef l\u1ea1i khi \u0111\u00f4ng \u0111\u1eb7c, t\u1ea1o th\u00e0nh l\u1ed7 r\u1ed7.M\u00e1y \u0111\u00fac ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a Protech Transfer (s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u1eeb <a href=\"https:\/\/indutherm.de\/en\/\" target=\"_blank\" rel=\"noopener\">Indutherm.de<\/a>) c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ed7 kh\u00ed b\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh r\u00f3t v\u00e0 \u0111\u00fac.<\/p>\n<h3>C\u00e1c nguy\u00ean nh\u00e2n g\u00e2y r\u1ed7 kh\u00ed<\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Kim lo\u1ea1i k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng<br \/>\n<\/b>Kim lo\u1ea1i t\u00e1i ch\u1ebf b\u1ecb oxy h\u00f3a ho\u1eb7c nhi\u1ec5m b\u1ea9n l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y r\u1ed7 kh\u00ed.<br \/>\nS\u1eed d\u1ee5ng kim lo\u1ea1i tinh khi\u1ebft, ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u1ed7i.<br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Ph\u1ea3n \u1ee9ng v\u1edbi v\u1eadt li\u1ec7u khu\u00f4n<\/b><b><br \/>\n<\/b>S\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a v\u1eadt li\u1ec7u khu\u00f4n khi ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed, khi\u1ebfn kh\u00ed \u0111i v\u00e0o kim lo\u1ea1i l\u1ecfng v\u00e0 t\u1ea1o r\u1ed7.<br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>\u0110i\u1ec1u ki\u1ec7n \u0111\u00fac k\u00e9m<\/b><b><br \/>\n<\/b>Qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y ho\u1eb7c l\u00e0m ngu\u1ed9i trong h\u1ec7 th\u1ed1ng h\u1edf c\u00f3 th\u1ec3 l\u00e0m kh\u00ed x\u00e2m nh\u1eadp v\u00e0o kim lo\u1ea1i, d\u1eabn \u0111\u1ebfn nhi\u1ec1u l\u1ed7i h\u01a1n.<br \/>\n<\/span><\/li>\n<\/ol>\n<h3>Gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u r\u1ed7 kh\u00ed<\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>S\u1eed d\u1ee5ng kim lo\u1ea1i s\u1ea1ch \u2013 ch\u1ea5t l\u01b0\u1ee3ng cao<br \/>\n<\/b>Gi\u00fap gi\u1ea3m nguy c\u01a1 nhi\u1ec5m b\u1ea9n v\u00e0 h\u1ea1n ch\u1ebf h\u00ecnh th\u00e0nh r\u1ed7 kh\u00ed.<br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Kh\u1eed kh\u00ed \u0111\u00fang c\u00e1ch khi n\u1ea5u ch\u1ea3y<\/b><b><br \/>\n<\/b>C\u00e1c k\u1ef9 thu\u1eadt kh\u1eed kh\u00ed hi\u1ec7u qu\u1ea3 (\u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong m\u00e1y \u0111\u00fac Indutherm) gi\u00fap lo\u1ea1i b\u1ecf kh\u00ed th\u1eeba trong kim lo\u1ea1i l\u1ecfng.<br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>S\u1eed d\u1ee5ng b\u1ed9t khu\u00f4n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t<\/b><b><br \/>\n<\/b>B\u1ed9t khu\u00f4n t\u1ed1t gi\u00fap gi\u1ea3m vi\u1ec7c sinh kh\u00ed trong qu\u00e1 tr\u00ecnh \u0111\u00fac.<br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Tr\u00e1nh d\u00f9ng h\u1ec7 th\u1ed1ng \u0111\u00fac h\u1edf<\/b><b><br \/>\n<\/b>S\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng b\u1ea3o v\u1ec7 nh\u01b0 kh\u00ed tr\u01a1 ho\u1eb7c ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n kim lo\u1ea1i ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed.<br \/>\n<\/span><\/li>\n<\/ul>\n<h3>K\u1ebft lu\u1eadn<\/h3>\n<p>Vi\u1ec7c x\u1eed l\u00fd v\u00e0 gi\u1ea3m r\u1ed7 kh\u00ed l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m trang s\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng cao.<br \/>\nB\u1eb1ng c\u00e1ch hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p, th\u1ee3 kim ho\u00e0n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 h\u1ea1n ch\u1ebf l\u1ed7i.S\u1eed d\u1ee5ng c\u00e1c m\u00e1y \u0111\u00fac ti\u00ean ti\u1ebfn c\u1ee7a Protech Transfer s\u1ebd gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-8593\" title=\"Gas_porosity_caused_by_poor_processing\" src=\"https:\/\/protech-transfer.com\/wp-content\/uploads\/2024\/12\/Gas_porosity_caused_by_poor_processing.jpg\" alt=\"Gas_porosity_caused_by_poor_processing\" width=\"1080\" height=\"720\" srcset=\"https:\/\/protech-transfer.com\/wp-content\/uploads\/2024\/12\/Gas_porosity_caused_by_poor_processing.jpg 1080w, https:\/\/protech-transfer.com\/wp-content\/uploads\/2024\/12\/Gas_porosity_caused_by_poor_processing-300x200.jpg 300w, https:\/\/protech-transfer.com\/wp-content\/uploads\/2024\/12\/Gas_porosity_caused_by_poor_processing-1024x683.jpg 1024w, https:\/\/protech-transfer.com\/wp-content\/uploads\/2024\/12\/Gas_porosity_caused_by_poor_processing-768x512.jpg 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>M\u00c1Y M\u00d3C T\u1ed0T NH\u1ea4T \u2013 D\u1ecaCH V\u1ee4 T\u1ed0T NH\u1ea4T<\/strong><br \/>\n\u0110\u01b0\u1eddng d\u00e2y n\u00f3ng b\u00e1n h\u00e0ng: +66 8 6332 9347<br \/>\nID LINE b\u00e1n h\u00e0ng: @pttsales<br \/>\n\u0110\u01b0\u1eddng d\u00e2y n\u00f3ng d\u1ecbch v\u1ee5 24\/7: +66 8 9227 9154<br \/>\nID LINE h\u1ed7 tr\u1ee3 d\u1ecbch v\u1ee5: @pttsupport<br \/>\n<a href=\"https:\/\/protech-transfer.com\/vi\/\" target=\"_blank\" rel=\"noopener\">Xem t\u1ea5t c\u1ea3 m\u00e1y m\u00f3c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gas Porosity l\u00e0 g\u00ec? R\u1ed7 kh\u00ed l\u00e0 nh\u1eefng l\u1ed7 tr\u00f2n nh\u1ecf xu\u1ea5t hi\u1ec7n b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t kim lo\u1ea1i \u0111\u00fac. Nh\u1eefng l\u1ed7 n\u00e0y th\u01b0\u1eddng tr\u01a1n \u2013 tr\u00f2n \u2013 \u0111\u1ec1u, kh\u00e1c v\u1edbi r\u1ed7 co ng\u00f3t v\u1ed1n m\u00e9o m\u00f3 \u2013 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.\u0110\u00f4i khi hai lo\u1ea1i r\u1ed7 n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n c\u00f9ng l\u00fac, khi\u1ebfn vi\u1ec7c nh\u1eadn bi\u1ebft tr\u1edf n\u00ean kh\u00f3 kh\u0103n. Gas Porosity h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? R\u1ed7 kh\u00ed xu\u1ea5t hi\u1ec7n khi kh\u00ed b\u1ecb m\u1eafc k\u1eb9t b\u00ean trong kim lo\u1ea1i khi kim lo\u1ea1i \u0111\u00f4ng \u0111\u1eb7c.Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra v\u00ec kim lo\u1ea1i l\u1ecfng ch\u1ee9a nhi\u1ec1u kh\u00ed h\u01a1n kim lo\u1ea1i r\u1eafn.N\u1ebfu kim lo\u1ea1i l\u1ecfng ch\u1ee9a qu\u00e1 nhi\u1ec1u kh\u00ed, kh\u00ed s\u1ebd b\u1ecb gi\u1eef l\u1ea1i khi \u0111\u00f4ng \u0111\u1eb7c, t\u1ea1o th\u00e0nh l\u1ed7 r\u1ed7.M\u00e1y \u0111\u00fac ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a Protech Transfer (s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u1eeb Indutherm.de) c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ed7 kh\u00ed b\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh r\u00f3t v\u00e0 \u0111\u00fac. C\u00e1c nguy\u00ean nh\u00e2n g\u00e2y r\u1ed7 kh\u00ed Kim lo\u1ea1i k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng Kim lo\u1ea1i t\u00e1i ch\u1ebf b\u1ecb oxy h\u00f3a ho\u1eb7c nhi\u1ec5m b\u1ea9n l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y r\u1ed7 kh\u00ed. S\u1eed d\u1ee5ng kim lo\u1ea1i tinh khi\u1ebft, ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u1ed7i. Ph\u1ea3n \u1ee9ng v\u1edbi v\u1eadt li\u1ec7u khu\u00f4n S\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a v\u1eadt li\u1ec7u khu\u00f4n khi ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed, khi\u1ebfn kh\u00ed \u0111i v\u00e0o kim lo\u1ea1i l\u1ecfng v\u00e0 t\u1ea1o r\u1ed7. \u0110i\u1ec1u ki\u1ec7n \u0111\u00fac k\u00e9m Qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y ho\u1eb7c l\u00e0m ngu\u1ed9i trong h\u1ec7 th\u1ed1ng h\u1edf c\u00f3 th\u1ec3 l\u00e0m kh\u00ed x\u00e2m nh\u1eadp v\u00e0o kim lo\u1ea1i, d\u1eabn \u0111\u1ebfn nhi\u1ec1u l\u1ed7i h\u01a1n. Gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u r\u1ed7 kh\u00ed S\u1eed d\u1ee5ng kim lo\u1ea1i s\u1ea1ch \u2013 ch\u1ea5t l\u01b0\u1ee3ng cao Gi\u00fap gi\u1ea3m nguy c\u01a1 nhi\u1ec5m b\u1ea9n v\u00e0 h\u1ea1n ch\u1ebf h\u00ecnh th\u00e0nh r\u1ed7 kh\u00ed. Kh\u1eed kh\u00ed \u0111\u00fang c\u00e1ch khi n\u1ea5u ch\u1ea3y C\u00e1c k\u1ef9 thu\u1eadt kh\u1eed kh\u00ed hi\u1ec7u qu\u1ea3 (\u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong m\u00e1y \u0111\u00fac Indutherm) gi\u00fap lo\u1ea1i b\u1ecf kh\u00ed th\u1eeba trong kim lo\u1ea1i l\u1ecfng. S\u1eed d\u1ee5ng b\u1ed9t khu\u00f4n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t B\u1ed9t khu\u00f4n t\u1ed1t gi\u00fap gi\u1ea3m vi\u1ec7c sinh kh\u00ed trong qu\u00e1 tr\u00ecnh \u0111\u00fac. Tr\u00e1nh d\u00f9ng h\u1ec7 th\u1ed1ng \u0111\u00fac h\u1edf S\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng b\u1ea3o v\u1ec7 nh\u01b0 kh\u00ed tr\u01a1 ho\u1eb7c ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n kim lo\u1ea1i ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed. K\u1ebft lu\u1eadn Vi\u1ec7c x\u1eed l\u00fd v\u00e0 gi\u1ea3m r\u1ed7 kh\u00ed l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m trang s\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng cao. B\u1eb1ng c\u00e1ch hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p, th\u1ee3 kim ho\u00e0n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 h\u1ea1n ch\u1ebf l\u1ed7i.S\u1eed d\u1ee5ng c\u00e1c m\u00e1y \u0111\u00fac ti\u00ean ti\u1ebfn c\u1ee7a Protech Transfer s\u1ebd gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n. &nbsp; M\u00c1Y M\u00d3C T\u1ed0T NH\u1ea4T \u2013 D\u1ecaCH V\u1ee4 T\u1ed0T NH\u1ea4T \u0110\u01b0\u1eddng d\u00e2y n\u00f3ng b\u00e1n h\u00e0ng: +66 8 6332 9347 ID LINE b\u00e1n h\u00e0ng: @pttsales \u0110\u01b0\u1eddng d\u00e2y n\u00f3ng d\u1ecbch v\u1ee5 24\/7: +66 8 9227 9154 ID LINE h\u1ed7 tr\u1ee3 d\u1ecbch v\u1ee5: @pttsupport Xem t\u1ea5t c\u1ea3 m\u00e1y m\u00f3c<\/p>\n","protected":false},"author":3,"featured_media":8589,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[55],"tags":[],"class_list":["post-7168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-viet-ve-duc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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