{"id":798,"date":"2026-04-03T13:53:35","date_gmt":"2026-04-03T13:53:35","guid":{"rendered":"https:\/\/ninhson-vn.com\/?p=798"},"modified":"2026-04-03T13:53:35","modified_gmt":"2026-04-03T13:53:35","slug":"void-bot-khi-trong-ep-nhua","status":"publish","type":"post","link":"https:\/\/ninhson-vn.com\/?p=798","title":{"rendered":"VOID (B\u1ecdt kh\u00ed) TRONG \u00c9P NH\u1ef0A"},"content":{"rendered":"<h1 data-section-id=\"1o3bp1e\" data-start=\"0\" data-end=\"34\">VOID (V\u1ebeT PH\u1ed2NG) TRONG \u00c9P NH\u1ef0A<\/h1>\n<h2 data-section-id=\"tt5s7v\" data-start=\"35\" data-end=\"100\">Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Void trong Injection Molding<\/h2>\n<p data-start=\"102\" data-end=\"474\">Trong qu\u00e1 tr\u00ecnh <strong data-start=\"118\" data-end=\"154\">\u00e9p phun nh\u1ef1a (Injection Molding)<\/strong>, l\u1ed7i <strong data-start=\"160\" data-end=\"212\">Void (v\u1ebft ph\u1ed3ng ho\u1eb7c l\u1ed7 r\u1ed7ng b\u00ean trong s\u1ea3n ph\u1ea9m)<\/strong> l\u00e0 m\u1ed9t khuy\u1ebft t\u1eadt kh\u00e1 ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 <strong data-start=\"278\" data-end=\"314\">th\u00e0nh d\u00e0y ho\u1eb7c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p<\/strong>. L\u1ed7i n\u00e0y th\u01b0\u1eddng kh\u00f4ng d\u1ec5 ph\u00e1t hi\u1ec7n b\u1eb1ng m\u1eaft th\u01b0\u1eddng v\u00ec n\u00f3 n\u1eb1m <strong data-start=\"376\" data-end=\"398\">b\u00ean trong s\u1ea3n ph\u1ea9m<\/strong>, nh\u01b0ng l\u1ea1i \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn <strong data-start=\"428\" data-end=\"473\">\u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m nh\u1ef1a<\/strong>.<\/p>\n<p data-start=\"476\" data-end=\"598\">B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft <strong data-start=\"516\" data-end=\"597\">kh\u00e1i ni\u1ec7m, nguy\u00ean nh\u00e2n v\u00e0 gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c l\u1ed7i Void trong s\u1ea3n xu\u1ea5t \u00e9p nh\u1ef1a<\/strong>.<\/p>\n<hr data-start=\"600\" data-end=\"603\" \/>\n<h1 data-section-id=\"10gmy51\" data-start=\"605\" data-end=\"621\">1. Void l\u00e0 g\u00ec?<\/h1>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/ilrorwxhpjmrll5p-static.micyjz.com\/cloud\/lrBpiKrklrSRnklqjomoiq\/Vacuum-Voids.jpg\" alt=\"https:\/\/ilrorwxhpjmrll5p-static.micyjz.com\/cloud\/lrBpiKrklrSRnklqjomoiq\/Vacuum-Voids.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/www.rx-solutions.com\/photos\/contenus\/_bookmark-2_672_fr.jpg\" alt=\"https:\/\/www.rx-solutions.com\/photos\/contenus\/_bookmark-2_672_fr.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/iirorwxhnqqllq5m.ldycdn.com\/cloud\/lnBpqKlnliSRklmjonqqjp\/Internal-Voids.jpg\" alt=\"https:\/\/iirorwxhnqqllq5m.ldycdn.com\/cloud\/lnBpqKlnliSRklmjonqqjp\/Internal-Voids.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"665\" data-end=\"821\"><strong data-start=\"665\" data-end=\"673\">Void<\/strong> l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng <strong data-start=\"688\" data-end=\"741\">xu\u1ea5t hi\u1ec7n c\u00e1c l\u1ed7 tr\u1ed1ng b\u00ean trong s\u1ea3n ph\u1ea9m \u00e9p phun<\/strong> do nh\u1ef1a kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1n \u0111\u1ea7y ho\u00e0n to\u00e0n ho\u1eb7c b\u1ecb co r\u00fat trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i.<\/p>\n<p data-start=\"823\" data-end=\"847\">C\u00e1c l\u1ed7 tr\u1ed1ng n\u00e0y th\u01b0\u1eddng:<\/p>\n<ul data-start=\"849\" data-end=\"1007\">\n<li data-section-id=\"1l56sqm\" data-start=\"849\" data-end=\"877\">N\u1eb1m <strong data-start=\"855\" data-end=\"877\">b\u00ean trong s\u1ea3n ph\u1ea9m<\/strong><\/li>\n<li data-section-id=\"1bhafbc\" data-start=\"878\" data-end=\"923\">C\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf ho\u1eb7c l\u1edbn t\u00f9y \u0111i\u1ec1u ki\u1ec7n \u00e9p<\/li>\n<li data-section-id=\"wtdfl5\" data-start=\"924\" data-end=\"955\">Kh\u00f3 ph\u00e1t hi\u1ec7n b\u1eb1ng m\u1eaft th\u01b0\u1eddng<\/li>\n<li data-section-id=\"15uyy6h\" data-start=\"956\" data-end=\"1007\">Th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng <strong data-start=\"985\" data-end=\"1007\">X-ray ho\u1eb7c c\u1eaft m\u1eabu<\/strong><\/li>\n<\/ul>\n<p data-start=\"1009\" data-end=\"1033\">Void th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf:<\/p>\n<ul data-start=\"1035\" data-end=\"1147\">\n<li data-section-id=\"1tins7g\" data-start=\"1035\" data-end=\"1062\"><strong data-start=\"1037\" data-end=\"1062\">V\u00f9ng c\u00f3 chi\u1ec1u d\u00e0y l\u1edbn<\/strong><\/li>\n<li data-section-id=\"1kbzac2\" data-start=\"1063\" data-end=\"1089\">Khu v\u1ef1c <strong data-start=\"1073\" data-end=\"1089\">co ng\u00f3t m\u1ea1nh<\/strong><\/li>\n<li data-section-id=\"kglr1w\" data-start=\"1090\" data-end=\"1147\">Nh\u1eefng v\u1ecb tr\u00ed <strong data-start=\"1105\" data-end=\"1147\">kh\u00f3 b\u00f9 v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh gi\u1eef \u00e1p<\/strong><\/li>\n<\/ul>\n<p data-start=\"1149\" data-end=\"1217\">Trong s\u1ea3n xu\u1ea5t \u00e9p nh\u1ef1a, l\u1ed7i Void \u0111\u01b0\u1ee3c chia th\u00e0nh <strong data-start=\"1198\" data-end=\"1216\">hai lo\u1ea1i ch\u00ednh<\/strong>:<\/p>\n<ol data-start=\"1219\" data-end=\"1290\">\n<li data-section-id=\"1y73r00\" data-start=\"1219\" data-end=\"1253\"><strong data-start=\"1222\" data-end=\"1251\">Void do kh\u00ed (Void by Gas)<\/strong><\/li>\n<li data-section-id=\"ph3g9k\" data-start=\"1254\" data-end=\"1290\"><strong data-start=\"1257\" data-end=\"1290\">Void ch\u00e2n kh\u00f4ng (Vacuum Void)<\/strong><\/li>\n<\/ol>\n<hr data-start=\"1292\" data-end=\"1295\" \/>\n<h1 data-section-id=\"p2y5k3\" data-start=\"1297\" data-end=\"1320\">2. Ph\u00e2n lo\u1ea1i l\u1ed7i Void<\/h1>\n<h2 data-section-id=\"rasyjm\" data-start=\"1322\" data-end=\"1354\">2.1 Void do kh\u00ed (Void by Gas)<\/h2>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/iirorwxhnqqllq5m.ldycdn.com\/cloud\/lnBpqKlnliSRklmjonqqjp\/Internal-Voids.jpg\" alt=\"https:\/\/iirorwxhnqqllq5m.ldycdn.com\/cloud\/lnBpqKlnliSRklmjonqqjp\/Internal-Voids.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/media.licdn.com\/dms\/image\/v2\/D5612AQGs8ZL-hxo4MA\/article-cover_image-shrink_720_1280\/B56ZvupDw_KcAI-\/0\/1769235303684?e=2147483647&amp;t=mmteapIkBUmi1NseBPzOX235XNiJiWGTDEzYi8cTYcg&amp;v=beta\" alt=\"https:\/\/media.licdn.com\/dms\/image\/v2\/D5612AQGs8ZL-hxo4MA\/article-cover_image-shrink_720_1280\/B56ZvupDw_KcAI-\/0\/1769235303684?e=2147483647&amp;t=mmteapIkBUmi1NseBPzOX235XNiJiWGTDEzYi8cTYcg&amp;v=beta\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/d2n4wb9orp1vta.cloudfront.net\/cms\/brand\/PT\/2022-PT\/Evergreen%20update%20Project%20-%20images\/0415ptkhinjection1.jpg%3BmaxWidth%3D1200\" alt=\"https:\/\/d2n4wb9orp1vta.cloudfront.net\/cms\/brand\/PT\/2022-PT\/Evergreen%20update%20Project%20-%20images\/0415ptkhinjection1.jpg%3BmaxWidth%3D1200\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1398\" data-end=\"1483\">Void do kh\u00ed x\u1ea3y ra khi <strong data-start=\"1421\" data-end=\"1482\">kh\u00ed b\u1ecb gi\u1eef l\u1ea1i trong nh\u1ef1a n\u00f3ng ch\u1ea3y ho\u1eb7c trong l\u00f2ng khu\u00f4n<\/strong>.<\/p>\n<h3 data-section-id=\"3v3aan\" data-start=\"1485\" data-end=\"1511\">C\u00e1c ngu\u1ed3n kh\u00ed ph\u1ed5 bi\u1ebfn<\/h3>\n<p data-start=\"1513\" data-end=\"1537\"><strong data-start=\"1513\" data-end=\"1537\">1. H\u01a1i \u1ea9m trong nh\u1ef1a<\/strong><\/p>\n<ul data-start=\"1539\" data-end=\"1613\">\n<li data-section-id=\"rwsbqa\" data-start=\"1539\" data-end=\"1573\">X\u1ea3y ra khi <strong data-start=\"1552\" data-end=\"1573\">s\u1ea5y nh\u1ef1a kh\u00f4ng \u0111\u1ee7<\/strong><\/li>\n<li data-section-id=\"1otpmzd\" data-start=\"1574\" data-end=\"1613\">H\u01a1i n\u01b0\u1edbc bi\u1ebfn th\u00e0nh kh\u00ed khi gia nhi\u1ec7t<\/li>\n<\/ul>\n<p data-start=\"1615\" data-end=\"1642\"><strong data-start=\"1615\" data-end=\"1642\">2. Kh\u00ed do ph\u00e2n h\u1ee7y nh\u1ef1a<\/strong><\/p>\n<ul data-start=\"1644\" data-end=\"1711\">\n<li data-section-id=\"1pah1gc\" data-start=\"1644\" data-end=\"1669\">Nhi\u1ec7t \u0111\u1ed9 nozzle qu\u00e1 cao<\/li>\n<li data-section-id=\"16pw3i2\" data-start=\"1670\" data-end=\"1711\">Th\u1eddi gian l\u01b0u nh\u1ef1a trong xilanh qu\u00e1 l\u00e2u<\/li>\n<\/ul>\n<p data-start=\"1713\" data-end=\"1741\"><strong data-start=\"1713\" data-end=\"1741\">3. Kh\u00f4ng kh\u00ed b\u1ecb cu\u1ed1n v\u00e0o<\/strong><\/p>\n<ul data-start=\"1743\" data-end=\"1825\">\n<li data-section-id=\"1bpjhj1\" data-start=\"1743\" data-end=\"1773\">T\u1ed1c \u0111\u1ed9 quay tr\u1ee5c v\u00edt qu\u00e1 cao<\/li>\n<li data-section-id=\"uryqpb\" data-start=\"1774\" data-end=\"1794\">Back pressure th\u1ea5p<\/li>\n<li data-section-id=\"1c0lbqv\" data-start=\"1795\" data-end=\"1825\">Nh\u1ef1a \u0111\u01b0\u1ee3c tr\u1ed9n kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/li>\n<\/ul>\n<p data-start=\"1827\" data-end=\"1860\"><strong data-start=\"1827\" data-end=\"1860\">4. Kh\u00ed b\u1ecb gi\u1eef l\u1ea1i trong khu\u00f4n<\/strong><\/p>\n<ul data-start=\"1862\" data-end=\"1958\">\n<li data-section-id=\"yh1gox\" data-start=\"1862\" data-end=\"1894\">Thi\u1ebft k\u1ebf <strong data-start=\"1873\" data-end=\"1894\">gate kh\u00f4ng h\u1ee3p l\u00fd<\/strong><\/li>\n<li data-section-id=\"ck626r\" data-start=\"1895\" data-end=\"1930\"><strong data-start=\"1897\" data-end=\"1926\">\u0110\u01b0\u1eddng tho\u00e1t kh\u00ed (venting)<\/strong> k\u00e9m<\/li>\n<li data-section-id=\"1u225hd\" data-start=\"1931\" data-end=\"1958\"><strong data-start=\"1933\" data-end=\"1958\">T\u1ed1c \u0111\u1ed9 phun qu\u00e1 nhanh<\/strong><\/li>\n<\/ul>\n<hr data-start=\"1960\" data-end=\"1963\" \/>\n<h2 data-section-id=\"ked9yi\" data-start=\"1965\" data-end=\"2001\">2.2 Void ch\u00e2n kh\u00f4ng (Vacuum Void)<\/h2>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/static.wixstatic.com\/media\/801a25_dc10862486ab457383890fb8884ba4a8~mv2.jpg\/v1\/fill\/w_568%2Ch_214%2Cal_c%2Cq_80%2Cusm_0.66_1.00_0.01%2Cenc_avif%2Cquality_auto\/801a25_dc10862486ab457383890fb8884ba4a8~mv2.jpg\" alt=\"https:\/\/static.wixstatic.com\/media\/801a25_dc10862486ab457383890fb8884ba4a8~mv2.jpg\/v1\/fill\/w_568%2Ch_214%2Cal_c%2Cq_80%2Cusm_0.66_1.00_0.01%2Cenc_avif%2Cquality_auto\/801a25_dc10862486ab457383890fb8884ba4a8~mv2.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/cdn.prod.website-files.com\/63be07ad2ba7e26e92447ac1\/661f0aa12f83941ae7bb50aa_Frame%20811948%20%281%29.png\" alt=\"https:\/\/cdn.prod.website-files.com\/63be07ad2ba7e26e92447ac1\/661f0aa12f83941ae7bb50aa_Frame%20811948%20%281%29.png\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/ars.els-cdn.com\/content\/image\/1-s2.0-S2352492824002381-ga1.jpg\" alt=\"https:\/\/ars.els-cdn.com\/content\/image\/1-s2.0-S2352492824002381-ga1.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"2045\" data-end=\"2124\"><strong data-start=\"2045\" data-end=\"2060\">Vacuum Void<\/strong> xu\u1ea5t hi\u1ec7n do <strong data-start=\"2074\" data-end=\"2123\">s\u1ef1 co ng\u00f3t c\u1ee7a nh\u1ef1a trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i<\/strong>.<\/p>\n<p data-start=\"2126\" data-end=\"2150\">Trong qu\u00e1 tr\u00ecnh \u00e9p phun:<\/p>\n<ol data-start=\"2152\" data-end=\"2252\">\n<li data-section-id=\"1j94a63\" data-start=\"2152\" data-end=\"2179\">Nh\u1ef1a \u0111\u01b0\u1ee3c phun v\u00e0o khu\u00f4n<\/li>\n<li data-section-id=\"176mvp3\" data-start=\"2180\" data-end=\"2214\">B\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m \u0111\u00f4ng c\u1ee9ng tr\u01b0\u1edbc<\/li>\n<li data-section-id=\"o57lan\" data-start=\"2215\" data-end=\"2252\">Ph\u1ea7n l\u00f5i b\u00ean trong ti\u1ebfp t\u1ee5c co r\u00fat<\/li>\n<\/ol>\n<p data-start=\"2254\" data-end=\"2372\">N\u1ebfu <strong data-start=\"2258\" data-end=\"2296\">\u00e1p l\u1ef1c gi\u1eef kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 b\u00f9 v\u1eadt li\u1ec7u<\/strong>, kho\u1ea3ng tr\u1ed1ng s\u1ebd h\u00ecnh th\u00e0nh b\u00ean trong s\u1ea3n ph\u1ea9m, t\u1ea1o ra <strong data-start=\"2352\" data-end=\"2371\">Void ch\u00e2n kh\u00f4ng<\/strong>.<\/p>\n<hr data-start=\"2374\" data-end=\"2377\" \/>\n<h1 data-section-id=\"139px5f\" data-start=\"2379\" data-end=\"2425\">3. Nguy\u00ean nh\u00e2n h\u00ecnh th\u00e0nh Void trong \u00e9p nh\u1ef1a<\/h1>\n<p data-start=\"2427\" data-end=\"2464\">C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh g\u00e2y ra l\u1ed7i Void g\u1ed3m:<\/p>\n<h2 data-section-id=\"14hi6ct\" data-start=\"2466\" data-end=\"2516\">3.1 \u00c1p l\u1ef1c gi\u1eef kh\u00f4ng \u0111\u1ee7 (Holding Pressure th\u1ea5p)<\/h2>\n<ul data-start=\"2518\" data-end=\"2596\">\n<li data-section-id=\"mbf9xy\" data-start=\"2518\" data-end=\"2552\">Nh\u1ef1a kh\u00f4ng \u0111\u01b0\u1ee3c b\u00f9 \u0111\u1ee7 khi co r\u00fat<\/li>\n<li data-section-id=\"1uop3ng\" data-start=\"2553\" data-end=\"2596\">D\u1ec5 t\u1ea1o ra kho\u1ea3ng tr\u1ed1ng b\u00ean trong s\u1ea3n ph\u1ea9m<\/li>\n<\/ul>\n<hr data-start=\"2598\" data-end=\"2601\" \/>\n<h2 data-section-id=\"15oula\" data-start=\"2603\" data-end=\"2635\">3.2 Th\u1eddi gian gi\u1eef \u00e1p qu\u00e1 ng\u1eafn<\/h2>\n<p data-start=\"2637\" data-end=\"2667\">N\u1ebfu <strong data-start=\"2641\" data-end=\"2666\">holding time qu\u00e1 ng\u1eafn<\/strong>:<\/p>\n<ul data-start=\"2669\" data-end=\"2740\">\n<li data-section-id=\"81d5ub\" data-start=\"2669\" data-end=\"2702\">Gate \u0111\u00f3ng tr\u01b0\u1edbc khi b\u00f9 v\u1eadt li\u1ec7u<\/li>\n<li data-section-id=\"bnt6xr\" data-start=\"2703\" data-end=\"2740\">Nh\u1ef1a kh\u00f4ng th\u1ec3 b\u1ed5 sung v\u00e0o ph\u1ea7n l\u00f5i<\/li>\n<\/ul>\n<hr data-start=\"2742\" data-end=\"2745\" \/>\n<h2 data-section-id=\"ygb6nr\" data-start=\"2747\" data-end=\"2778\">3.3 Gate nh\u1ecf ho\u1eb7c Runner h\u1eb9p<\/h2>\n<p data-start=\"2780\" data-end=\"2806\">Gate v\u00e0 runner qu\u00e1 nh\u1ecf s\u1ebd:<\/p>\n<ul data-start=\"2808\" data-end=\"2865\">\n<li data-section-id=\"pssl49\" data-start=\"2808\" data-end=\"2830\">H\u1ea1n ch\u1ebf d\u00f2ng nh\u1ef1a b\u00f9<\/li>\n<li data-section-id=\"850z3q\" data-start=\"2831\" data-end=\"2865\">L\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a \u00e1p l\u1ef1c gi\u1eef<\/li>\n<\/ul>\n<hr data-start=\"2867\" data-end=\"2870\" \/>\n<h2 data-section-id=\"k0w0er\" data-start=\"2872\" data-end=\"2909\">3.4 Thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m c\u00f3 th\u00e0nh d\u00e0y<\/h2>\n<p data-start=\"2911\" data-end=\"2937\">Void th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n t\u1ea1i:<\/p>\n<ul data-start=\"2939\" data-end=\"3001\">\n<li data-section-id=\"11kobi0\" data-start=\"2939\" data-end=\"2965\">C\u00e1c v\u1ecb tr\u00ed <strong data-start=\"2952\" data-end=\"2965\">th\u00e0nh d\u00e0y<\/strong><\/li>\n<li data-section-id=\"1a631o1\" data-start=\"2966\" data-end=\"3001\">Khu v\u1ef1c <strong data-start=\"2976\" data-end=\"3001\">ch\u00eanh l\u1ec7ch \u0111\u1ed9 d\u00e0y l\u1edbn<\/strong><\/li>\n<\/ul>\n<hr data-start=\"3003\" data-end=\"3006\" \/>\n<h2 data-section-id=\"1n9adzl\" data-start=\"3008\" data-end=\"3043\">3.5 Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n kh\u00f4ng ph\u00f9 h\u1ee3p<\/h2>\n<ul data-start=\"3045\" data-end=\"3150\">\n<li data-section-id=\"9de3di\" data-start=\"3045\" data-end=\"3106\"><strong data-start=\"3047\" data-end=\"3070\">Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n th\u1ea5p<\/strong> \u2192 b\u1ec1 m\u1eb7t \u0111\u00f4ng nhanh \u2192 d\u1ec5 t\u1ea1o void<\/li>\n<li data-section-id=\"1gzrlh4\" data-start=\"3107\" data-end=\"3150\"><strong data-start=\"3109\" data-end=\"3131\">Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n cao<\/strong> \u2192 d\u1ec5 g\u00e2y sink mark<\/li>\n<\/ul>\n<hr data-start=\"3152\" data-end=\"3155\" \/>\n<h1 data-section-id=\"2voi2u\" data-start=\"3157\" data-end=\"3190\">4. Gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c l\u1ed7i Void<\/h1>\n<h2 data-section-id=\"8moed1\" data-start=\"3192\" data-end=\"3243\">4.1 T\u0103ng kh\u1ea3 n\u0103ng b\u00f9 nh\u1ef1a (Packing Compensation)<\/h2>\n<p data-start=\"3245\" data-end=\"3278\">\u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p quan tr\u1ecdng nh\u1ea5t.<\/p>\n<p data-start=\"3280\" data-end=\"3298\">C\u00e1c bi\u1ec7n ph\u00e1p g\u1ed3m:<\/p>\n<ul data-start=\"3300\" data-end=\"3397\">\n<li data-section-id=\"8z4ufw\" data-start=\"3300\" data-end=\"3327\">T\u0103ng <strong data-start=\"3307\" data-end=\"3327\">holding pressure<\/strong><\/li>\n<li data-section-id=\"6cmtea\" data-start=\"3328\" data-end=\"3354\">K\u00e9o d\u00e0i <strong data-start=\"3338\" data-end=\"3354\">holding time<\/strong><\/li>\n<li data-section-id=\"1w2sxqz\" data-start=\"3355\" data-end=\"3397\">\u00c1p d\u1ee5ng <strong data-start=\"3365\" data-end=\"3397\">multi-stage holding pressure<\/strong><\/li>\n<\/ul>\n<p data-start=\"3399\" data-end=\"3473\">Vi\u1ec7c t\u0103ng \u00e1p l\u1ef1c gi\u1eef <strong data-start=\"3420\" data-end=\"3438\">theo nhi\u1ec1u c\u1ea5p<\/strong> hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi t\u0103ng \u0111\u1ed9t ng\u1ed9t.<\/p>\n<hr data-start=\"3475\" data-end=\"3478\" \/>\n<h2 data-section-id=\"3r6oji\" data-start=\"3480\" data-end=\"3517\">4.2 T\u1ed1i \u01b0u h\u1ec7 th\u1ed1ng gate v\u00e0 runner<\/h2>\n<p data-start=\"3519\" data-end=\"3546\">C\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch:<\/p>\n<ul data-start=\"3548\" data-end=\"3636\">\n<li data-section-id=\"1frbvy0\" data-start=\"3548\" data-end=\"3574\">T\u0103ng k\u00edch th\u01b0\u1edbc <strong data-start=\"3566\" data-end=\"3574\">gate<\/strong><\/li>\n<li data-section-id=\"9ujxoo\" data-start=\"3575\" data-end=\"3595\">M\u1edf r\u1ed9ng <strong data-start=\"3585\" data-end=\"3595\">runner<\/strong><\/li>\n<li data-section-id=\"dq2q0u\" data-start=\"3596\" data-end=\"3636\">\u0110\u1eb7t gate <strong data-start=\"3607\" data-end=\"3636\">g\u1ea7n v\u00f9ng d\u00e0y c\u1ee7a s\u1ea3n ph\u1ea9m<\/strong><\/li>\n<\/ul>\n<hr data-start=\"3638\" data-end=\"3641\" \/>\n<h2 data-section-id=\"17onpbb\" data-start=\"3643\" data-end=\"3685\">4.3 Tr\u00ec ho\u00e3n qu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng b\u1ec1 m\u1eb7t<\/h2>\n<p data-start=\"3687\" data-end=\"3714\">C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch:<\/p>\n<ul data-start=\"3716\" data-end=\"3772\">\n<li data-section-id=\"skwdym\" data-start=\"3716\" data-end=\"3741\">T\u0103ng <strong data-start=\"3723\" data-end=\"3741\">nhi\u1ec7t \u0111\u1ed9 khu\u00f4n<\/strong><\/li>\n<li data-section-id=\"17bzox0\" data-start=\"3742\" data-end=\"3772\">\u0110i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 gia c\u00f4ng<\/li>\n<\/ul>\n<p data-start=\"3774\" data-end=\"3830\">Tuy nhi\u00ean c\u1ea7n c\u00e2n b\u1eb1ng \u0111\u1ec3 <strong data-start=\"3800\" data-end=\"3829\">tr\u00e1nh ph\u00e1t sinh sink mark<\/strong>.<\/p>\n<hr data-start=\"3832\" data-end=\"3835\" \/>\n<h2 data-section-id=\"1d2iw7l\" data-start=\"3837\" data-end=\"3867\">4.4 Ki\u1ec3m so\u00e1t ph\u00e1t sinh kh\u00ed<\/h2>\n<p data-start=\"3869\" data-end=\"3898\">\u0110\u1ec3 gi\u1ea3m <strong data-start=\"3877\" data-end=\"3892\">Void do kh\u00ed<\/strong>, c\u1ea7n:<\/p>\n<ul data-start=\"3900\" data-end=\"4002\">\n<li data-section-id=\"1m2iseg\" data-start=\"3900\" data-end=\"3926\">S\u1ea5y nh\u1ef1a \u0111\u00fang ti\u00eau chu\u1ea9n<\/li>\n<li data-section-id=\"12xd71i\" data-start=\"3927\" data-end=\"3949\">Gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 xilanh<\/li>\n<li data-section-id=\"14iq2j9\" data-start=\"3950\" data-end=\"3977\">Gi\u1ea3m t\u1ed1c \u0111\u1ed9 quay tr\u1ee5c v\u00edt<\/li>\n<li data-section-id=\"g5iz20\" data-start=\"3978\" data-end=\"4002\">T\u0103ng <strong data-start=\"3985\" data-end=\"4002\">back pressure<\/strong><\/li>\n<\/ul>\n<hr data-start=\"4004\" data-end=\"4007\" \/>\n<h2 data-section-id=\"15tg9y3\" data-start=\"4009\" data-end=\"4041\">4.5 C\u1ea3i thi\u1ec7n tho\u00e1t kh\u00ed khu\u00f4n<\/h2>\n<p data-start=\"4043\" data-end=\"4071\">N\u1ebfu kh\u00ed b\u1ecb gi\u1eef trong cavity:<\/p>\n<ul data-start=\"4073\" data-end=\"4148\">\n<li data-section-id=\"1t6z2pj\" data-start=\"4073\" data-end=\"4101\">M\u1edf r\u1ed9ng <strong data-start=\"4083\" data-end=\"4101\">venting groove<\/strong><\/li>\n<li data-section-id=\"10wj9s5\" data-start=\"4102\" data-end=\"4124\">Gi\u1ea3m <strong data-start=\"4109\" data-end=\"4124\">t\u1ed1c \u0111\u1ed9 phun<\/strong><\/li>\n<li data-section-id=\"9n67fd\" data-start=\"4125\" data-end=\"4148\">T\u1ed1i \u01b0u d\u00f2ng ch\u1ea3y nh\u1ef1a<\/li>\n<\/ul>\n<hr data-start=\"4150\" data-end=\"4153\" \/>\n<h2 data-section-id=\"kctpac\" data-start=\"4155\" data-end=\"4188\">4.6 Gi\u1ea3m \u0111\u1ed9 d\u00e0y th\u00e0nh s\u1ea3n ph\u1ea9m<\/h2>\n<p data-start=\"4190\" data-end=\"4225\">Void th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n t\u1ea1i v\u00f9ng d\u00e0y.<\/p>\n<p data-start=\"4227\" data-end=\"4237\">Gi\u1ea3i ph\u00e1p:<\/p>\n<ul data-start=\"4239\" data-end=\"4307\">\n<li data-section-id=\"2wcu8p\" data-start=\"4239\" data-end=\"4269\">Thi\u1ebft k\u1ebf <strong data-start=\"4250\" data-end=\"4269\">\u0111\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec1u<\/strong><\/li>\n<li data-section-id=\"97ewlu\" data-start=\"4270\" data-end=\"4307\">S\u1eed d\u1ee5ng <strong data-start=\"4280\" data-end=\"4307\">rib thay v\u00ec t\u0103ng \u0111\u1ed9 d\u00e0y<\/strong><\/li>\n<\/ul>\n<hr data-start=\"4309\" data-end=\"4312\" \/>\n<h2 data-section-id=\"1osuu8q\" data-start=\"4314\" data-end=\"4352\">4.7 S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 nh\u1edbt cao<\/h2>\n<p data-start=\"4354\" data-end=\"4385\">Nh\u1ef1a c\u00f3 <strong data-start=\"4362\" data-end=\"4377\">\u0111\u1ed9 nh\u1edbt cao<\/strong> th\u01b0\u1eddng:<\/p>\n<ul data-start=\"4387\" data-end=\"4434\">\n<li data-section-id=\"1t7nn6u\" data-start=\"4387\" data-end=\"4402\">\u00cdt co r\u00fat h\u01a1n<\/li>\n<li data-section-id=\"pkmpcw\" data-start=\"4403\" data-end=\"4434\">Gi\u1ea3m kh\u1ea3 n\u0103ng h\u00ecnh th\u00e0nh void<\/li>\n<\/ul>\n<hr data-start=\"4436\" data-end=\"4439\" \/>\n<h1 data-section-id=\"dtw3kg\" data-start=\"4441\" data-end=\"4485\">5. C\u00e1ch ph\u00f2ng ng\u1eeba l\u1ed7i Void trong s\u1ea3n xu\u1ea5t<\/h1>\n<p data-start=\"4487\" data-end=\"4536\">\u0110\u1ec3 h\u1ea1n ch\u1ebf l\u1ed7i Void trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t c\u1ea7n:<\/p>\n<ul data-start=\"4538\" data-end=\"4734\">\n<li data-section-id=\"t2ytdb\" data-start=\"4538\" data-end=\"4578\">Thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m c\u00f3 <strong data-start=\"4561\" data-end=\"4578\">\u0111\u1ed9 d\u00e0y h\u1ee3p l\u00fd<\/strong><\/li>\n<li data-section-id=\"ien7q0\" data-start=\"4579\" data-end=\"4608\">T\u1ed1i \u01b0u <strong data-start=\"4588\" data-end=\"4608\">th\u00f4ng s\u1ed1 \u00e9p phun<\/strong><\/li>\n<li data-section-id=\"1w1lhf7\" data-start=\"4609\" data-end=\"4652\">Thi\u1ebft k\u1ebf <strong data-start=\"4620\" data-end=\"4652\">gate v\u00e0 runner \u0111\u00fang k\u1ef9 thu\u1eadt<\/strong><\/li>\n<li data-section-id=\"1e9p23l\" data-start=\"4653\" data-end=\"4700\">Ki\u1ec3m so\u00e1t <strong data-start=\"4665\" data-end=\"4700\">nhi\u1ec7t \u0111\u1ed9 khu\u00f4n v\u00e0 nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a<\/strong><\/li>\n<li data-section-id=\"55rb9n\" data-start=\"4701\" data-end=\"4734\">Ki\u1ec3m tra <strong data-start=\"4712\" data-end=\"4734\">quy tr\u00ecnh s\u1ea5y nh\u1ef1a<\/strong><\/li>\n<\/ul>\n<p data-start=\"5025\" data-end=\"5136\"><strong><a href=\"https:\/\/ninhson-vn.com\/?p=772\">Click \u0111\u1ec3 tham kh\u1ea3o th\u00eam L\u1ed7i Loang m\u00e0u tr\u00ean s\u1ea3n ph\u1ea9m nh\u1ef1a<\/a><\/strong><\/p>\n<p data-start=\"5025\" data-end=\"5136\"><strong><a href=\"https:\/\/www.tan-star.com\/\">Click \u0111\u00ear tham kh\u1ea3o th\u00eam Xilanh tr\u1ee5c v\u00edt Tanstar cho m\u00e1y \u00e9p nh\u1ef1a<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>VOID (V\u1ebeT PH\u1ed2NG) TRONG \u00c9P NH\u1ef0A Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Void trong Injection Molding Trong qu\u00e1 tr\u00ecnh \u00e9p phun nh\u1ef1a (Injection Molding), l\u1ed7i Void (v\u1ebft ph\u1ed3ng ho\u1eb7c l\u1ed7 r\u1ed7ng b\u00ean trong s\u1ea3n ph\u1ea9m) l\u00e0 m\u1ed9t khuy\u1ebft t\u1eadt kh\u00e1 ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 th\u00e0nh d\u00e0y ho\u1eb7c c\u1ea5u&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":799,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-798","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.2 (Yoast SEO v25.8) - 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