{"id":793,"date":"2026-03-31T02:03:17","date_gmt":"2026-03-31T02:03:17","guid":{"rendered":"https:\/\/ninhson-vn.com\/?p=793"},"modified":"2026-03-31T02:03:17","modified_gmt":"2026-03-31T02:03:17","slug":"loi-waving-mark-flow-mark-vet-luon-song-trong-ep-nhua","status":"publish","type":"post","link":"https:\/\/ninhson-vn.com\/?p=793","title":{"rendered":"L\u1ed6I WAVING MARK (FLOW MARK) \u2013 V\u1ebeT L\u01af\u1ee2N S\u00d3NG TRONG \u00c9P NH\u1ef0A"},"content":{"rendered":"<h3 data-section-id=\"2qjq8k\" data-start=\"100\" data-end=\"125\">1. Waving Mark l\u00e0 g\u00ec?<\/h3>\n<p data-start=\"127\" data-end=\"327\"><strong data-start=\"127\" data-end=\"154\">Waving Mark (Flow Mark)<\/strong> l\u00e0 c\u00e1c <strong data-start=\"162\" data-end=\"198\">v\u1ec7t l\u01b0\u1ee3n s\u00f3ng ho\u1eb7c v\u00e2n d\u00f2ng ch\u1ea3y<\/strong> xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m nh\u1ef1a, th\u01b0\u1eddng t\u1eadp trung <strong data-start=\"253\" data-end=\"277\">g\u1ea7n c\u1ed5ng phun (gate)<\/strong> ho\u1eb7c d\u1ecdc theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y c\u1ee7a nh\u1ef1a n\u00f3ng ch\u1ea3y.<\/p>\n<p data-start=\"329\" data-end=\"491\">Nh\u1eefng v\u1ebft n\u00e0y c\u00f3 d\u1ea1ng <strong data-start=\"351\" data-end=\"403\">\u0111\u01b0\u1eddng g\u1ee3n s\u00f3ng, v\u00e2n nh\u0103n ho\u1eb7c v\u00e2n h\u00ecnh v\u00f2ng cung<\/strong>, l\u00e0m gi\u1ea3m <strong data-start=\"414\" data-end=\"443\">t\u00ednh th\u1ea9m m\u1ef9 c\u1ee7a s\u1ea3n ph\u1ea9m<\/strong> v\u00e0 \u0111\u00f4i khi \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn <strong data-start=\"469\" data-end=\"490\">ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t<\/strong>.<\/p>\n<p data-start=\"493\" data-end=\"512\">\u0110\u1eb7c \u0111i\u1ec3m nh\u1eadn bi\u1ebft:<\/p>\n<ul data-start=\"514\" data-end=\"719\">\n<li data-section-id=\"ywuj9s\" data-start=\"514\" data-end=\"562\">Xu\u1ea5t hi\u1ec7n g\u1ea7n <strong data-start=\"530\" data-end=\"562\">c\u1ed5ng phun ho\u1eb7c \u0111\u1ea7u d\u00f2ng ch\u1ea3y<\/strong><\/li>\n<li data-section-id=\"19qi0du\" data-start=\"563\" data-end=\"604\">C\u00f3 d\u1ea1ng <strong data-start=\"573\" data-end=\"604\">v\u00e2n l\u01b0\u1ee3n s\u00f3ng ho\u1eb7c v\u00e2n v\u00f2ng<\/strong><\/li>\n<li data-section-id=\"fuxeot\" data-start=\"605\" data-end=\"656\">Th\u01b0\u1eddng th\u1ea5y tr\u00ean c\u00e1c s\u1ea3n ph\u1ea9m <strong data-start=\"637\" data-end=\"656\">ABS, PP, PS, PC<\/strong><\/li>\n<li data-section-id=\"m7113v\" data-start=\"657\" data-end=\"719\">D\u1ec5 xu\u1ea5t hi\u1ec7n \u1edf <strong data-start=\"674\" data-end=\"719\">s\u1ea3n ph\u1ea9m th\u00e0nh m\u1ecfng ho\u1eb7c khu\u00f4n nhi\u1ec7t th\u1ea5p<\/strong><\/li>\n<\/ul>\n<hr data-start=\"721\" data-end=\"724\" \/>\n<h1 data-section-id=\"l26duk\" data-start=\"726\" data-end=\"765\">2. Nguy\u00ean nh\u00e2n h\u00ecnh th\u00e0nh Waving Mark<\/h1>\n<p data-start=\"767\" data-end=\"916\">L\u1ed7i Flow Mark th\u01b0\u1eddng x\u1ea3y ra khi <strong data-start=\"799\" data-end=\"843\">d\u00f2ng ch\u1ea3y nh\u1ef1a trong khu\u00f4n kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/strong>, l\u00e0m cho l\u1edbp nh\u1ef1a b\u1ec1 m\u1eb7t \u0111\u00f4ng c\u1ee9ng theo t\u1eebng l\u1edbp t\u1ea1o th\u00e0nh c\u00e1c v\u00e2n s\u00f3ng.<\/p>\n<h2 data-section-id=\"1c0r0wo\" data-start=\"918\" data-end=\"964\">2.1 T\u1ed1c \u0111\u1ed9 phun ch\u1eadm (Slow Injection Speed)<\/h2>\n<p data-start=\"966\" data-end=\"987\">Khi t\u1ed1c \u0111\u1ed9 phun th\u1ea5p:<\/p>\n<ul data-start=\"989\" data-end=\"1150\">\n<li data-section-id=\"18wbnbk\" data-start=\"989\" data-end=\"1047\">D\u00f2ng nh\u1ef1a <strong data-start=\"1001\" data-end=\"1047\">kh\u00f4ng duy tr\u00ec \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i ch\u1ea3y \u1ed5n \u0111\u1ecbnh<\/strong><\/li>\n<li data-section-id=\"t4wax7\" data-start=\"1048\" data-end=\"1092\">Nh\u1ef1a n\u00f3ng ch\u1ea3y <strong data-start=\"1065\" data-end=\"1092\">ch\u1ea3y t\u1eebng l\u1edbp gi\u00e1n \u0111o\u1ea1n<\/strong><\/li>\n<li data-section-id=\"xy6uwa\" data-start=\"1093\" data-end=\"1150\">L\u1edbp ngo\u00e0i <strong data-start=\"1105\" data-end=\"1150\">\u0111\u00f4ng c\u1ee9ng tr\u01b0\u1edbc khi d\u00f2ng nh\u1ef1a m\u1edbi ph\u1ee7 l\u00ean<\/strong><\/li>\n<\/ul>\n<p data-start=\"1152\" data-end=\"1209\">K\u1ebft qu\u1ea3 l\u00e0 t\u1ea1o ra <strong data-start=\"1170\" data-end=\"1208\">v\u1ebft l\u01b0\u1ee3n s\u00f3ng tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m<\/strong>.<\/p>\n<p data-start=\"1211\" data-end=\"1224\">Ngo\u00e0i ra n\u1ebfu:<\/p>\n<ul data-start=\"1226\" data-end=\"1265\">\n<li data-section-id=\"1fgqek3\" data-start=\"1226\" data-end=\"1244\"><strong data-start=\"1228\" data-end=\"1244\">Gate qu\u00e1 nh\u1ecf<\/strong><\/li>\n<li data-section-id=\"8e1gsw\" data-start=\"1245\" data-end=\"1265\"><strong data-start=\"1247\" data-end=\"1265\">Runner qu\u00e1 d\u00e0i<\/strong><\/li>\n<\/ul>\n<p data-start=\"1267\" data-end=\"1337\">\u2192 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y th\u1ef1c t\u1ebf t\u1ea1i gate gi\u1ea3m \u2192 <strong data-start=\"1310\" data-end=\"1336\">Flow mark d\u1ec5 xu\u1ea5t hi\u1ec7n<\/strong>.<\/p>\n<hr data-start=\"1339\" data-end=\"1342\" \/>\n<h2 data-section-id=\"dxv621\" data-start=\"1344\" data-end=\"1393\">2.2 Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n th\u1ea5p (Low Mold Temperature)<\/h2>\n<p data-start=\"1395\" data-end=\"1419\">Khi nhi\u1ec7t \u0111\u1ed9 khu\u00f4n th\u1ea5p:<\/p>\n<ul data-start=\"1421\" data-end=\"1571\">\n<li data-section-id=\"1lem1ih\" data-start=\"1421\" data-end=\"1474\">L\u1edbp nh\u1ef1a ti\u1ebfp x\u00fac v\u1edbi khu\u00f4n <strong data-start=\"1451\" data-end=\"1474\">\u0111\u00f4ng c\u1ee9ng qu\u00e1 nhanh<\/strong><\/li>\n<li data-section-id=\"1jqqmbx\" data-start=\"1475\" data-end=\"1533\">D\u00f2ng nh\u1ef1a ti\u1ebfp theo <strong data-start=\"1497\" data-end=\"1533\">kh\u00f4ng h\u00f2a tr\u1ed9n t\u1ed1t v\u1edbi l\u1edbp tr\u01b0\u1edbc<\/strong><\/li>\n<li data-section-id=\"skyjv6\" data-start=\"1534\" data-end=\"1571\">T\u1ea1o ra <strong data-start=\"1543\" data-end=\"1571\">c\u00e1c v\u00e2n d\u00f2ng ch\u1ea3y r\u00f5 r\u1ec7t<\/strong><\/li>\n<\/ul>\n<p data-start=\"1573\" data-end=\"1605\">\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t d\u1ec5 x\u1ea3y ra v\u1edbi:<\/p>\n<ul data-start=\"1607\" data-end=\"1651\">\n<li data-section-id=\"1oxqr7x\" data-start=\"1607\" data-end=\"1620\">Nh\u1ef1a <strong data-start=\"1614\" data-end=\"1620\">PC<\/strong><\/li>\n<li data-section-id=\"mebu1a\" data-start=\"1621\" data-end=\"1635\">Nh\u1ef1a <strong data-start=\"1628\" data-end=\"1635\">ABS<\/strong><\/li>\n<li data-section-id=\"hnrkhb\" data-start=\"1636\" data-end=\"1651\">Nh\u1ef1a <strong data-start=\"1643\" data-end=\"1651\">PMMA<\/strong><\/li>\n<\/ul>\n<hr data-start=\"1653\" data-end=\"1656\" \/>\n<h2 data-section-id=\"11ap6iw\" data-start=\"1658\" data-end=\"1706\">2.3 Nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a th\u1ea5p (Low Melt Temperature)<\/h2>\n<p data-start=\"1708\" data-end=\"1748\">N\u1ebfu nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a trong <strong data-start=\"1732\" data-end=\"1747\">xilanh th\u1ea5p<\/strong>:<\/p>\n<ul data-start=\"1750\" data-end=\"1822\">\n<li data-section-id=\"jdhi5c\" data-start=\"1750\" data-end=\"1769\">\u0110\u1ed9 nh\u1edbt nh\u1ef1a t\u0103ng<\/li>\n<li data-section-id=\"qc2695\" data-start=\"1770\" data-end=\"1785\">D\u00f2ng ch\u1ea3y k\u00e9m<\/li>\n<li data-section-id=\"ttko2z\" data-start=\"1786\" data-end=\"1822\">Nh\u1ef1a kh\u00f3 lan \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t khu\u00f4n<\/li>\n<\/ul>\n<p data-start=\"1824\" data-end=\"1876\">\u2192 h\u00ecnh th\u00e0nh <strong data-start=\"1837\" data-end=\"1875\">flow mark ho\u1eb7c d\u00f2ng ch\u1ea3y kh\u00f4ng \u0111\u1ec1u<\/strong>.<\/p>\n<hr data-start=\"1878\" data-end=\"1881\" \/>\n<h2 data-section-id=\"1bn8ec\" data-start=\"1883\" data-end=\"1916\">2.4 Thi\u1ebft k\u1ebf gate kh\u00f4ng h\u1ee3p l\u00fd<\/h2>\n<p data-start=\"1918\" data-end=\"1958\">Gate c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn t\u1edbi d\u00f2ng ch\u1ea3y.<\/p>\n<p data-start=\"1960\" data-end=\"1992\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p d\u1ec5 g\u00e2y flow mark:<\/p>\n<ul data-start=\"1994\" data-end=\"2124\">\n<li data-section-id=\"1fgqek3\" data-start=\"1994\" data-end=\"2012\"><strong data-start=\"1996\" data-end=\"2012\">Gate qu\u00e1 nh\u1ecf<\/strong><\/li>\n<li data-section-id=\"mead2h\" data-start=\"2013\" data-end=\"2048\"><strong data-start=\"2015\" data-end=\"2048\">Gate \u0111\u1eb7t l\u1ec7ch h\u01b0\u1edbng d\u00f2ng ch\u1ea3y<\/strong><\/li>\n<li data-section-id=\"1hgxfbg\" data-start=\"2049\" data-end=\"2090\"><strong data-start=\"2051\" data-end=\"2090\">Gate d\u1ea1ng pin gate cho s\u1ea3n ph\u1ea9m l\u1edbn<\/strong><\/li>\n<li data-section-id=\"1wdvzyo\" data-start=\"2091\" data-end=\"2124\"><strong data-start=\"2093\" data-end=\"2124\">Gate \u0111\u1eb7t t\u1ea1i v\u00f9ng th\u00e0nh d\u00e0y<\/strong><\/li>\n<\/ul>\n<p data-start=\"2126\" data-end=\"2139\">\u0110i\u1ec1u n\u00e0y l\u00e0m:<\/p>\n<ul data-start=\"2141\" data-end=\"2219\">\n<li data-section-id=\"wxsa9l\" data-start=\"2141\" data-end=\"2181\">t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y <strong data-start=\"2160\" data-end=\"2181\">thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t<\/strong><\/li>\n<li data-section-id=\"3y4lf3\" data-start=\"2182\" data-end=\"2219\">d\u00f2ng nh\u1ef1a <strong data-start=\"2194\" data-end=\"2219\">b\u1ecb xo\u00e1y ho\u1eb7c ch\u1ea3y r\u1ed1i<\/strong><\/li>\n<\/ul>\n<hr data-start=\"2221\" data-end=\"2224\" \/>\n<h2 data-section-id=\"12xjeo1\" data-start=\"2226\" data-end=\"2254\">2.5 \u00c1p su\u1ea5t phun kh\u00f4ng \u0111\u1ee7<\/h2>\n<p data-start=\"2256\" data-end=\"2278\">\u00c1p su\u1ea5t phun th\u1ea5p g\u00e2y:<\/p>\n<ul data-start=\"2280\" data-end=\"2356\">\n<li data-section-id=\"jf0v60\" data-start=\"2280\" data-end=\"2325\">nh\u1ef1a <strong data-start=\"2287\" data-end=\"2325\">kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea9y m\u1ea1nh v\u00e0o l\u00f2ng khu\u00f4n<\/strong><\/li>\n<li data-section-id=\"q20l43\" data-start=\"2326\" data-end=\"2356\">d\u00f2ng ch\u1ea3y <strong data-start=\"2338\" data-end=\"2356\">gi\u1ea3m \u0111\u1ed9ng n\u0103ng<\/strong><\/li>\n<\/ul>\n<p data-start=\"2358\" data-end=\"2391\">\u2192 d\u1ec5 xu\u1ea5t hi\u1ec7n <strong data-start=\"2373\" data-end=\"2390\">v\u1ebft l\u01b0\u1ee3n s\u00f3ng<\/strong>.<\/p>\n<hr data-start=\"2393\" data-end=\"2396\" \/>\n<h2 data-section-id=\"nub3a\" data-start=\"2398\" data-end=\"2442\">2.6 Kh\u1ea3 n\u0103ng tho\u00e1t kh\u00ed k\u00e9m (Poor Venting)<\/h2>\n<p data-start=\"2444\" data-end=\"2472\">N\u1ebfu khu\u00f4n <strong data-start=\"2454\" data-end=\"2471\">tho\u00e1t kh\u00ed k\u00e9m<\/strong>:<\/p>\n<ul data-start=\"2474\" data-end=\"2530\">\n<li data-section-id=\"1motfkt\" data-start=\"2474\" data-end=\"2503\">kh\u00ed b\u1ecb n\u00e9n trong l\u00f2ng khu\u00f4n<\/li>\n<li data-section-id=\"6n27zs\" data-start=\"2504\" data-end=\"2530\">d\u00f2ng ch\u1ea3y b\u1ecb <strong data-start=\"2519\" data-end=\"2530\">c\u1ea3n tr\u1edf<\/strong><\/li>\n<\/ul>\n<p data-start=\"2532\" data-end=\"2573\">\u2192 d\u00f2ng nh\u1ef1a dao \u0111\u1ed9ng \u2192 t\u1ea1o <strong data-start=\"2559\" data-end=\"2572\">flow mark<\/strong>.<\/p>\n<hr data-start=\"2575\" data-end=\"2578\" \/>\n<h1 data-section-id=\"16qvsnm\" data-start=\"2580\" data-end=\"2616\">3. Gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c Waving Mark<\/h1>\n<h2 data-section-id=\"nrtny2\" data-start=\"2618\" data-end=\"2641\">3.1 T\u0103ng t\u1ed1c \u0111\u1ed9 phun<\/h2>\n<p data-start=\"2643\" data-end=\"2678\">\u0110\u00e2y l\u00e0 <strong data-start=\"2650\" data-end=\"2677\">gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/strong>.<\/p>\n<p data-start=\"2680\" data-end=\"2702\">T\u0103ng t\u1ed1c \u0111\u1ed9 phun gi\u00fap:<\/p>\n<ul data-start=\"2704\" data-end=\"2805\">\n<li data-section-id=\"1d9b5js\" data-start=\"2704\" data-end=\"2734\">d\u00f2ng nh\u1ef1a <strong data-start=\"2716\" data-end=\"2734\">\u0111i\u1ec1n \u0111\u1ea7y nhanh<\/strong><\/li>\n<li data-section-id=\"1dhhmuo\" data-start=\"2735\" data-end=\"2775\">gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng <strong data-start=\"2753\" data-end=\"2775\">\u0111\u00f4ng c\u1ee9ng t\u1eebng l\u1edbp<\/strong><\/li>\n<li data-section-id=\"82bo0e\" data-start=\"2776\" data-end=\"2805\">b\u1ec1 m\u1eb7t nh\u1ef1a <strong data-start=\"2790\" data-end=\"2805\">ph\u1ee7 \u0111\u1ec1u h\u01a1n<\/strong><\/li>\n<\/ul>\n<p data-start=\"2807\" data-end=\"2819\">Khuy\u1ebfn ngh\u1ecb:<\/p>\n<ul data-start=\"2821\" data-end=\"2903\">\n<li data-section-id=\"p62s2a\" data-start=\"2821\" data-end=\"2856\">t\u0103ng <strong data-start=\"2828\" data-end=\"2856\">injection speed 10 \u2013 30%<\/strong><\/li>\n<li data-section-id=\"e0qgba\" data-start=\"2857\" data-end=\"2903\">d\u00f9ng <strong data-start=\"2864\" data-end=\"2903\">profile t\u1ed1c \u0111\u1ed9 phun nhi\u1ec1u giai \u0111o\u1ea1n<\/strong><\/li>\n<\/ul>\n<hr data-start=\"2905\" data-end=\"2908\" \/>\n<h2 data-section-id=\"ofh2bw\" data-start=\"2910\" data-end=\"2936\">3.2 T\u0103ng nhi\u1ec7t \u0111\u1ed9 khu\u00f4n<\/h2>\n<p data-start=\"2938\" data-end=\"2968\">Vi\u1ec7c t\u0103ng nhi\u1ec7t \u0111\u1ed9 khu\u00f4n gi\u00fap:<\/p>\n<ul data-start=\"2970\" data-end=\"3043\">\n<li data-section-id=\"5eixan\" data-start=\"2970\" data-end=\"3010\">l\u00e0m <strong data-start=\"2976\" data-end=\"3010\">ch\u1eadm qu\u00e1 tr\u00ecnh \u0111\u00f4ng \u0111\u1eb7c b\u1ec1 m\u1eb7t<\/strong><\/li>\n<li data-section-id=\"1uvll44\" data-start=\"3011\" data-end=\"3043\">gi\u00fap d\u00f2ng nh\u1ef1a <strong data-start=\"3028\" data-end=\"3043\">lan \u0111\u1ec1u h\u01a1n<\/strong><\/li>\n<\/ul>\n<p data-start=\"3045\" data-end=\"3070\">Th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 t\u0103ng:<\/p>\n<ul data-start=\"3072\" data-end=\"3101\">\n<li data-section-id=\"1ikpe2j\" data-start=\"3072\" data-end=\"3101\"><strong data-start=\"3074\" data-end=\"3101\">+5 \u2013 15\u00b0C t\u00f9y lo\u1ea1i nh\u1ef1a<\/strong><\/li>\n<\/ul>\n<p data-start=\"3103\" data-end=\"3109\">V\u00ed d\u1ee5:<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3111\" data-end=\"3214\">\n<thead data-start=\"3111\" data-end=\"3141\">\n<tr data-start=\"3111\" data-end=\"3141\">\n<th class=\"\" data-start=\"3111\" data-end=\"3118\" data-col-size=\"sm\">Nh\u1ef1a<\/th>\n<th class=\"\" data-start=\"3118\" data-end=\"3141\" data-col-size=\"sm\">Nhi\u1ec7t khu\u00f4n \u0111\u1ec1 xu\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3156\" data-end=\"3214\">\n<tr data-start=\"3156\" data-end=\"3175\">\n<td data-start=\"3156\" data-end=\"3162\" data-col-size=\"sm\">ABS<\/td>\n<td data-col-size=\"sm\" data-start=\"3162\" data-end=\"3175\">60 \u2013 80\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"3176\" data-end=\"3195\">\n<td data-start=\"3176\" data-end=\"3181\" data-col-size=\"sm\">PC<\/td>\n<td data-col-size=\"sm\" data-start=\"3181\" data-end=\"3195\">80 \u2013 120\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"3196\" data-end=\"3214\">\n<td data-start=\"3196\" data-end=\"3201\" data-col-size=\"sm\">PP<\/td>\n<td data-col-size=\"sm\" data-start=\"3201\" data-end=\"3214\">40 \u2013 60\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3216\" data-end=\"3219\" \/>\n<h2 data-section-id=\"uf5fb\" data-start=\"3221\" data-end=\"3246\">3.3 T\u0103ng nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a<\/h2>\n<p data-start=\"3248\" data-end=\"3265\">N\u1ebfu nh\u1ef1a qu\u00e1 \u0111\u1eb7c:<\/p>\n<ul data-start=\"3267\" data-end=\"3294\">\n<li data-section-id=\"xkumei\" data-start=\"3267\" data-end=\"3294\">t\u0103ng <strong data-start=\"3274\" data-end=\"3294\">melt temperature<\/strong><\/li>\n<\/ul>\n<p data-start=\"3296\" data-end=\"3302\">V\u00ed d\u1ee5:<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3304\" data-end=\"3401\">\n<thead data-start=\"3304\" data-end=\"3325\">\n<tr data-start=\"3304\" data-end=\"3325\">\n<th class=\"\" data-start=\"3304\" data-end=\"3311\" data-col-size=\"sm\">Nh\u1ef1a<\/th>\n<th class=\"\" data-start=\"3311\" data-end=\"3325\" data-col-size=\"sm\">Nhi\u1ec7t nh\u1ef1a<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3338\" data-end=\"3401\">\n<tr data-start=\"3338\" data-end=\"3359\">\n<td data-start=\"3338\" data-end=\"3344\" data-col-size=\"sm\">ABS<\/td>\n<td data-col-size=\"sm\" data-start=\"3344\" data-end=\"3359\">220 \u2013 260\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"3360\" data-end=\"3380\">\n<td data-start=\"3360\" data-end=\"3365\" data-col-size=\"sm\">PC<\/td>\n<td data-col-size=\"sm\" data-start=\"3365\" data-end=\"3380\">280 \u2013 320\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"3381\" data-end=\"3401\">\n<td data-start=\"3381\" data-end=\"3386\" data-col-size=\"sm\">PP<\/td>\n<td data-col-size=\"sm\" data-start=\"3386\" data-end=\"3401\">200 \u2013 240\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"3403\" data-end=\"3409\">L\u01b0u \u00fd:<\/p>\n<p data-start=\"3411\" data-end=\"3466\">Kh\u00f4ng t\u0103ng qu\u00e1 cao \u0111\u1ec3 tr\u00e1nh <strong data-start=\"3439\" data-end=\"3465\">ch\u00e1y nh\u1ef1a ho\u1eb7c b\u1ea1c m\u00e0u<\/strong>.<\/p>\n<hr data-start=\"3468\" data-end=\"3471\" \/>\n<h2 data-section-id=\"1beel20\" data-start=\"3473\" data-end=\"3500\">3.4 T\u1ed1i \u01b0u thi\u1ebft k\u1ebf gate<\/h2>\n<p data-start=\"3502\" data-end=\"3527\">C\u00e1c c\u1ea3i ti\u1ebfn n\u00ean \u00e1p d\u1ee5ng:<\/p>\n<ul data-start=\"3529\" data-end=\"3629\">\n<li data-section-id=\"15lppy0\" data-start=\"3529\" data-end=\"3555\">t\u0103ng <strong data-start=\"3536\" data-end=\"3555\">k\u00edch th\u01b0\u1edbc gate<\/strong><\/li>\n<li data-section-id=\"1hhl4w4\" data-start=\"3556\" data-end=\"3589\">chuy\u1ec3n <strong data-start=\"3565\" data-end=\"3589\">pin gate \u2192 edge gate<\/strong><\/li>\n<li data-section-id=\"1tji23d\" data-start=\"3590\" data-end=\"3629\">\u0111\u1eb7t gate t\u1ea1i <strong data-start=\"3605\" data-end=\"3629\">v\u00f9ng d\u00f2ng ch\u1ea3y ch\u00ednh<\/strong><\/li>\n<\/ul>\n<p data-start=\"3631\" data-end=\"3645\">\u0110i\u1ec1u n\u00e0y gi\u00fap:<\/p>\n<ul data-start=\"3647\" data-end=\"3704\">\n<li data-section-id=\"1ve6qzl\" data-start=\"3647\" data-end=\"3674\">d\u00f2ng nh\u1ef1a <strong data-start=\"3659\" data-end=\"3674\">\u1ed5n \u0111\u1ecbnh h\u01a1n<\/strong><\/li>\n<li data-section-id=\"y19dwt\" data-start=\"3675\" data-end=\"3704\">gi\u1ea3m <strong data-start=\"3682\" data-end=\"3704\">dao \u0111\u1ed9ng d\u00f2ng ch\u1ea3y<\/strong><\/li>\n<\/ul>\n<hr data-start=\"3706\" data-end=\"3709\" \/>\n<h2 data-section-id=\"14s9np7\" data-start=\"3711\" data-end=\"3746\">3.5 C\u1ea3i thi\u1ec7n h\u1ec7 th\u1ed1ng tho\u00e1t kh\u00ed<\/h2>\n<p data-start=\"3748\" data-end=\"3783\">Gia c\u00f4ng th\u00eam <strong data-start=\"3762\" data-end=\"3778\">venting slot<\/strong> t\u1ea1i:<\/p>\n<ul data-start=\"3785\" data-end=\"3831\">\n<li data-section-id=\"fd79t4\" data-start=\"3785\" data-end=\"3801\">cu\u1ed1i d\u00f2ng ch\u1ea3y<\/li>\n<li data-section-id=\"45irjn\" data-start=\"3802\" data-end=\"3813\">g\u00f3c khu\u00f4n<\/li>\n<li data-section-id=\"1m9obyp\" data-start=\"3814\" data-end=\"3831\">v\u00f9ng d\u1ec5 b\u1eaby kh\u00ed<\/li>\n<\/ul>\n<p data-start=\"3833\" data-end=\"3858\">K\u00edch th\u01b0\u1edbc vent ph\u1ed5 bi\u1ebfn:<\/p>\n<ul data-start=\"3860\" data-end=\"3880\">\n<li data-section-id=\"84az18\" data-start=\"3860\" data-end=\"3880\"><strong data-start=\"3862\" data-end=\"3880\">0.02 \u2013 0.05 mm<\/strong><\/li>\n<\/ul>\n<hr data-start=\"3882\" data-end=\"3885\" \/>\n<h2 data-section-id=\"z5s0a7\" data-start=\"3887\" data-end=\"3918\">3.6 T\u1ed1i \u01b0u thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m<\/h2>\n<p data-start=\"3920\" data-end=\"3962\">M\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m d\u1ec5 g\u00e2y flow mark:<\/p>\n<ul data-start=\"3964\" data-end=\"4020\">\n<li data-section-id=\"1ed558\" data-start=\"3964\" data-end=\"3990\">thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y \u0111\u1ed9t ng\u1ed9t<\/li>\n<li data-section-id=\"c169rw\" data-start=\"3991\" data-end=\"4007\">th\u00e0nh qu\u00e1 m\u1ecfng<\/li>\n<li data-section-id=\"ldxarg\" data-start=\"4008\" data-end=\"4020\">b\u1ec1 m\u1eb7t l\u1edbn<\/li>\n<\/ul>\n<p data-start=\"4022\" data-end=\"4032\">Gi\u1ea3i ph\u00e1p:<\/p>\n<ul data-start=\"4034\" data-end=\"4102\">\n<li data-section-id=\"15y6icj\" data-start=\"4034\" data-end=\"4070\">thi\u1ebft k\u1ebf <strong data-start=\"4045\" data-end=\"4070\">\u0111\u1ed9 d\u00e0y th\u00e0nh \u0111\u1ed3ng \u0111\u1ec1u<\/strong><\/li>\n<li data-section-id=\"rhqgjd\" data-start=\"4071\" data-end=\"4102\">gi\u1ea3m <strong data-start=\"4078\" data-end=\"4102\">ch\u00eanh l\u1ec7ch thickness<\/strong><\/li>\n<\/ul>\n<hr data-start=\"4104\" data-end=\"4107\" \/>\n<h1 data-section-id=\"agvsk7\" data-start=\"4109\" data-end=\"4152\">4. B\u1ea3ng t\u1ed5ng h\u1ee3p nguy\u00ean nh\u00e2n v\u00e0 gi\u1ea3i ph\u00e1p<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4154\" data-end=\"4448\">\n<thead data-start=\"4154\" data-end=\"4181\">\n<tr data-start=\"4154\" data-end=\"4181\">\n<th class=\"\" data-start=\"4154\" data-end=\"4168\" data-col-size=\"sm\">Nguy\u00ean nh\u00e2n<\/th>\n<th class=\"\" data-start=\"4168\" data-end=\"4181\" data-col-size=\"sm\">Gi\u1ea3i ph\u00e1p<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4192\" data-end=\"4448\">\n<tr data-start=\"4192\" data-end=\"4235\">\n<td data-start=\"4192\" data-end=\"4211\" data-col-size=\"sm\">T\u1ed1c \u0111\u1ed9 phun ch\u1eadm<\/td>\n<td data-col-size=\"sm\" data-start=\"4211\" data-end=\"4235\">T\u0103ng injection speed<\/td>\n<\/tr>\n<tr data-start=\"4236\" data-end=\"4280\">\n<td data-start=\"4236\" data-end=\"4255\" data-col-size=\"sm\">Nhi\u1ec7t khu\u00f4n th\u1ea5p<\/td>\n<td data-col-size=\"sm\" data-start=\"4255\" data-end=\"4280\">T\u0103ng mold temperature<\/td>\n<\/tr>\n<tr data-start=\"4281\" data-end=\"4324\">\n<td data-start=\"4281\" data-end=\"4299\" data-col-size=\"sm\">Nhi\u1ec7t nh\u1ef1a th\u1ea5p<\/td>\n<td data-col-size=\"sm\" data-start=\"4299\" data-end=\"4324\">T\u0103ng melt temperature<\/td>\n<\/tr>\n<tr data-start=\"4325\" data-end=\"4364\">\n<td data-start=\"4325\" data-end=\"4340\" data-col-size=\"sm\">Gate qu\u00e1 nh\u1ecf<\/td>\n<td data-col-size=\"sm\" data-start=\"4340\" data-end=\"4364\">T\u0103ng k\u00edch th\u01b0\u1edbc gate<\/td>\n<\/tr>\n<tr data-start=\"4365\" data-end=\"4412\">\n<td data-start=\"4365\" data-end=\"4385\" data-col-size=\"sm\">\u00c1p su\u1ea5t phun th\u1ea5p<\/td>\n<td data-col-size=\"sm\" data-start=\"4385\" data-end=\"4412\">T\u0103ng injection pressure<\/td>\n<\/tr>\n<tr data-start=\"4413\" data-end=\"4448\">\n<td data-start=\"4413\" data-end=\"4429\" data-col-size=\"sm\">Tho\u00e1t kh\u00ed k\u00e9m<\/td>\n<td data-col-size=\"sm\" data-start=\"4429\" data-end=\"4448\">Th\u00eam vent khu\u00f4n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"4450\" data-end=\"4453\" \/>\n<h1 data-section-id=\"l1q147\" data-start=\"4455\" data-end=\"4468\">5. K\u1ebft lu\u1eadn<\/h1>\n<p data-start=\"4470\" data-end=\"4609\"><strong data-start=\"4470\" data-end=\"4497\">Waving Mark (Flow Mark)<\/strong> l\u00e0 m\u1ed9t l\u1ed7i b\u1ec1 m\u1eb7t kh\u00e1 ph\u1ed5 bi\u1ebfn trong <strong data-start=\"4535\" data-end=\"4555\">s\u1ea3n xu\u1ea5t \u00e9p nh\u1ef1a<\/strong>, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 <strong data-start=\"4586\" data-end=\"4608\">b\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9 cao<\/strong>.<\/p>\n<p data-start=\"4611\" data-end=\"4650\">Nguy\u00ean nh\u00e2n ch\u00ednh th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn:<\/p>\n<ul data-start=\"4652\" data-end=\"4736\">\n<li data-section-id=\"1vhz2yt\" data-start=\"4652\" data-end=\"4669\"><strong data-start=\"4654\" data-end=\"4669\">t\u1ed1c \u0111\u1ed9 phun<\/strong><\/li>\n<li data-section-id=\"1ctmlw0\" data-start=\"4670\" data-end=\"4690\"><strong data-start=\"4672\" data-end=\"4690\">nhi\u1ec7t \u0111\u1ed9 khu\u00f4n<\/strong><\/li>\n<li data-section-id=\"r4rpv9\" data-start=\"4691\" data-end=\"4710\"><strong data-start=\"4693\" data-end=\"4710\">thi\u1ebft k\u1ebf gate<\/strong><\/li>\n<li data-section-id=\"doyf5t\" data-start=\"4711\" data-end=\"4736\"><strong data-start=\"4713\" data-end=\"4736\">\u0111i\u1ec1u ki\u1ec7n d\u00f2ng ch\u1ea3y<\/strong><\/li>\n<\/ul>\n<p data-start=\"4738\" data-end=\"4914\">Vi\u1ec7c <strong data-start=\"4743\" data-end=\"4790\">t\u1ed1i \u01b0u th\u00f4ng s\u1ed1 \u00e9p v\u00e0 thi\u1ebft k\u1ebf khu\u00f4n h\u1ee3p l\u00fd<\/strong> s\u1ebd gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7n t\u01b0\u1ee3ng <strong data-start=\"4823\" data-end=\"4836\">flow mark<\/strong>, n\u00e2ng cao <strong data-start=\"4847\" data-end=\"4898\">ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m v\u00e0 t\u1ef7 l\u1ec7 \u0111\u1ea1t (yield)<\/strong> trong s\u1ea3n xu\u1ea5t.<\/p>\n<p data-start=\"5025\" data-end=\"5136\"><span style=\"color: #d83131\"><strong><a style=\"color: #d83131\" 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><\/span><\/p>\n<p data-start=\"5025\" data-end=\"5136\"><span style=\"color: #d83131\"><strong><a style=\"color: #d83131\" 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><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Waving Mark l\u00e0 g\u00ec? Waving Mark (Flow Mark) l\u00e0 c\u00e1c v\u1ec7t l\u01b0\u1ee3n s\u00f3ng ho\u1eb7c v\u00e2n d\u00f2ng ch\u1ea3y xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m nh\u1ef1a, th\u01b0\u1eddng t\u1eadp trung g\u1ea7n c\u1ed5ng phun (gate) ho\u1eb7c d\u1ecdc theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y c\u1ee7a nh\u1ef1a n\u00f3ng ch\u1ea3y. Nh\u1eefng v\u1ebft n\u00e0y c\u00f3 d\u1ea1ng \u0111\u01b0\u1eddng g\u1ee3n s\u00f3ng, v\u00e2n nh\u0103n ho\u1eb7c v\u00e2n&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":783,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-793","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u1ed6I WAVING MARK (FLOW MARK) \u2013 V\u1ebeT L\u01af\u1ee2N S\u00d3NG TRONG \u00c9P NH\u1ef0A - C\u00d4NG TY TNHH TH\u01af\u01a0NG M\u1ea0I D\u1ecaCH V\u1ee4 V\u00c0 S\u1ea2N PH\u1ea8M NINH S\u01a0N<\/title>\n<meta name=\"description\" content=\"Waving Mark (Flow Mark) l\u00e0 c\u00e1c v\u1ec7t l\u01b0\u1ee3n s\u00f3ng ho\u1eb7c v\u00e2n xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m th\u01b0\u1eddng t\u1eadp trung g\u1ea7n c\u1ed5ng phun (gate) ho\u1eb7c d\u1ecdc theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u1ed6I WAVING MARK (FLOW MARK) \u2013 V\u1ebeT L\u01af\u1ee2N S\u00d3NG TRONG \u00c9P NH\u1ef0A\" \/>\n<meta property=\"og:description\" content=\"Waving Mark (Flow Mark) l\u00e0 c\u00e1c v\u1ec7t l\u01b0\u1ee3n s\u00f3ng ho\u1eb7c v\u00e2n xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m th\u01b0\u1eddng t\u1eadp trung g\u1ea7n c\u1ed5ng phun (gate) ho\u1eb7c d\u1ecdc theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ninhson-vn.com\/?p=793\" \/>\n<meta property=\"og:site_name\" content=\"C\u00d4NG TY TNHH TH\u01af\u01a0NG M\u1ea0I D\u1ecaCH V\u1ee4 V\u00c0 S\u1ea2N PH\u1ea8M NINH S\u01a0N\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-31T02:03:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ninhson-vn.com\/wp-content\/uploads\/thieu-nhua.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"806\" \/>\n\t<meta property=\"og:image:height\" content=\"468\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ninhson-vn.com\/?p=793\",\"url\":\"https:\/\/ninhson-vn.com\/?p=793\",\"name\":\"L\u1ed6I WAVING MARK (FLOW MARK) \u2013 V\u1ebeT L\u01af\u1ee2N S\u00d3NG TRONG \u00c9P NH\u1ef0A - 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