{"id":1391,"date":"2026-08-07T19:11:45","date_gmt":"2026-08-07T19:11:45","guid":{"rendered":"https:\/\/benlongkj.com\/?p=1391"},"modified":"2026-08-07T19:11:49","modified_gmt":"2026-08-07T19:11:49","slug":"overmolding-troubleshooting","status":"publish","type":"post","link":"https:\/\/benlongkj.com\/vi\/blog\/overmolding-troubleshooting\/","title":{"rendered":"Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u00e9p qu\u00e1 khu\u00f4n: H\u01b0\u1edbng d\u1eabn c\u00e1c khuy\u1ebft t\u1eadt ph\u1ed5 bi\u1ebfn, nguy\u00ean nh\u00e2n &amp; gi\u1ea3i ph\u00e1p"},"content":{"rendered":"<p>B\u1ea1n \u0111\u00e3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh ph\u1ee7 khu\u00f4n trong \u0111\u00f3 vi\u1ec7c \u00e1p d\u1ee5ng tay c\u1ea7m TPE m\u1ec1m tr\u00ean tay c\u1ea7m ABS ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 gio\u0103ng silicone tr\u00ean v\u1ecf PBT d\u01b0\u1eddng nh\u01b0 g\u1eb7p s\u1ef1 c\u1ed1 ngay l\u1eadp t\u1ee9c v\u1edbi s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean t\u1eeb nh\u00e0 m\u00e1y. C\u00f3 th\u1ec3 \u0111\u00e2y l\u00e0 t\u00ecnh hu\u1ed1ng khi l\u1edbp ph\u1ee7 khu\u00f4n b\u1ecb bong ra gi\u1ed1ng nh\u01b0 m\u1ed9t mi\u1ebfng d\u00e1n d\u1ec5 d\u00e0ng bong ra ho\u1eb7c c\u00f3 th\u1ec3 c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng d\u01b0 nh\u1ef1a t\u1ea1i khu v\u1ef1c l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn. C\u0169ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n d\u1ea5u ch\u00e1y, d\u1ea5u l\u00f5m ho\u1eb7c c\u00e1c v\u1ebft d\u00f2ng ch\u1ea3y x\u1ea5u, nh\u01b0ng d\u00f9 t\u00ecnh hu\u1ed1ng l\u00e0 g\u00ec th\u00ec c\u0169ng c\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa trong qu\u00e1 tr\u00ecnh. C\u00e1c l\u1ed7i ph\u1ee7 khu\u00f4n l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 phi\u1ec1n to\u00e1i nh\u1ea5t c\u1ee7a \u00e9p phun v\u00ec n\u00f3 li\u00ean quan \u0111\u1ebfn hai v\u1eadt li\u1ec7u, hai l\u1ea7n phun v\u00e0 m\u1ed9t giao di\u1ec7n li\u00ean k\u1ebft. H\u01b0\u1edbng d\u1eabn d\u01b0\u1edbi \u0111\u00e2y s\u1ebd cung c\u1ea5p c\u01a1 h\u1ed9i \u0111\u1ec3 xem x\u00e9t m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn li\u00ean quan \u0111\u1ebfn ph\u1ee7 khu\u00f4n, b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p. B\u1ea5t k\u1ec3 v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 l\u00e0 nhi\u1ec7t \u0111\u1ed9 khu\u00f4n, \u00e1p su\u1ea5t phun, s\u1ef1 t\u01b0\u01a1ng th\u00edch c\u1ee7a v\u1eadt li\u1ec7u hay v\u1ecb tr\u00ed c\u1eeda phun, b\u1ea1n lu\u00f4n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang v\u1edbi h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n<blockquote><p><strong>C\u00e2u tr\u1ea3 l\u1eddi nhanh:<\/strong> C\u00e1c l\u1ed7i ph\u1ee7 khu\u00f4n ch\u1ee7 y\u1ebfu do b\u00e1m d\u00ednh k\u00e9m\/t\u00e1ch l\u1edbp (do b\u1ec1 m\u1eb7t n\u1ec1n b\u1ecb \u00f4 nhi\u1ec5m, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ee7 ho\u1eb7c v\u1eadt li\u1ec7u kh\u00f4ng t\u01b0\u01a1ng th\u00edch), d\u01b0 nh\u1ef1a (do m\u1ea5t l\u1ef1c k\u1eb9p qu\u00e1 nhi\u1ec1u v\u00e0 s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 l\u1ed7i), phun thi\u1ebfu (n\u1ebfu \u00e1p su\u1ea5t phun th\u1ea5p, s\u1eed d\u1ee5ng nh\u1ef1a n\u00f3ng ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ho\u1eb7c do v\u1ea5n \u0111\u1ec1 th\u00f4ng kh\u00ed), d\u1ea5u ch\u00e1y (nguy\u00ean nh\u00e2n l\u00e0 kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t do th\u00f4ng kh\u00ed kh\u00f4ng \u0111\u00fang c\u00e1ch), d\u1ea5u l\u00f5m (do \u0111\u1ed9 d\u00e0y th\u00e0nh qu\u00e1 l\u1edbn ho\u1eb7c \u00e1p su\u1ea5t \u0111\u00f3ng g\u00f3i kh\u00f4ng \u0111\u1ee7), cong v\u00eanh (do l\u00e0m m\u00e1t kh\u00f4ng ho\u00e0n ch\u1ec9nh ho\u1eb7c co r\u00fat kh\u00e1c nhau), c\u0169ng nh\u01b0 v\u1ec7t b\u1ea1c\/v\u1ec7t n\u01b0\u1edbc (do n\u01b0\u1edbc c\u00f3 trong nh\u1ef1a). \u0110\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i ph\u1ee7 khu\u00f4n, c\u00e1c chuy\u00ean gia c\u1ea7n ki\u1ec3m tra xem v\u1eadt li\u1ec7u c\u00f3 ph\u00f9 h\u1ee3p kh\u00f4ng (c\u1ea5p \u0111\u1ed9 c\u1ee7a TPE ho\u1eb7c TPU c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng), li\u1ec7u n\u1ec1n c\u00f3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng tr\u01b0\u1edbc kh\u00f4ng, v\u00e0 t\u1ed1i \u01b0u h\u00f3a nhi\u1ec7t \u0111\u1ed9 cho qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 khu\u00f4n. \u0110\u01b0\u1ee3c ghi nh\u1eadn r\u1eb1ng kho\u1ea3ng 70% c\u00e1c l\u1ed7i ph\u1ee7 khu\u00f4n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 v\u00e0 chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t, v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y n\u00ean \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft tr\u01b0\u1edbc khi t\u00ecm ki\u1ebfm c\u00e1c nguy\u00ean nh\u00e2n ph\u1ee9c t\u1ea1p h\u01a1n.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1392\" src=\"https:\/\/benlongkj.com\/wp-content\/uploads\/2026\/08\/Overmolding-Troubleshooting.webp\" alt=\"X\u1eed l\u00fd s\u1ef1 c\u1ed1 qu\u00e1 tr\u00ecnh bao ph\u1ee7 \u00e9p ch\u1ed3ng l\u00ean nhau\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>Hi\u1ec3u v\u1ec1 Ph\u1ee7 Khu\u00f4n: T\u1ed5ng quan Quy tr\u00ecnh &amp; T\u1ea1i sao n\u00f3 th\u1ea5t b\u1ea1i<\/h2>\n<p>Ph\u1ee7 khu\u00f4n l\u00e0 m\u1ed9t quy tr\u00ecnh \u00e9p phun \u0111a b\u01b0\u1edbc trong \u0111\u00f3 hai v\u1eadt li\u1ec7u kh\u00e1c nhau (th\u01b0\u1eddng l\u00e0 elastomer m\u1ec1m nh\u01b0 TPE, TPU v\u00e0 silicone) \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t n\u1ec1n c\u1ee9ng (nh\u01b0 ABS, PA, PC, PBT v\u00e0 kim lo\u1ea1i). N\u00f3 cho ph\u00e9p t\u1ea1o ra m\u1ed9t chi ti\u1ebft duy nh\u1ea5t v\u1edbi \u0111\u1ed9 b\u1ec1n cao v\u00e0 b\u1ec1 m\u1eb7t m\u1ec1m m\u1ea1i. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t tay c\u1ea7m d\u1ee5ng c\u1ee5, h\u1ed9p \u0111i\u1ec7n t\u1eed, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng. C\u00f4ng vi\u1ec7c c\u1ee7a Benlong v\u1ec1 <a href=\"https:\/\/benlongkj.com\/vi\/blog\/mcb-injection-mold-manufacture\/\">S\u1ea3n xu\u1ea5t khu\u00f4n phun MCB<\/a> th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft trong \u00e9p khu\u00f4n \u0111a v\u1eadt li\u1ec7u cho c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/p>\n<p>C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ph\u01b0\u01a1ng ph\u00e1p<\/th>\n<th>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/th>\n<th>C\u00e1c \u0111i\u1ec3m th\u1ea5t b\u1ea1i ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0110\u00fac ch\u00e8n<\/strong><\/td>\n<td>N\u1ec1n c\u1ee9ng \u0111\u01b0\u1ee3c \u00e9p khu\u00f4n tr\u01b0\u1edbc, \u0111\u1eb7t v\u00e0o d\u1ee5ng c\u1ee5 th\u1ee9 hai, sau \u0111\u00f3 v\u1eadt li\u1ec7u ph\u1ee7 khu\u00f4n \u0111\u01b0\u1ee3c phun v\u00e0o<\/td>\n<td>L\u1ed7i \u0111\u1eb7t ch\u00e8n, ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9, chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t k\u00e9m<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u00fac hai l\u1ea7n (quay)<\/strong><\/td>\n<td>C\u1ea3 hai v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u00fac trong m\u1ed9t m\u00e1y v\u1edbi khu\u00f4n quay<\/td>\n<td>L\u1ed7i \u0111\u0103ng k\u00fd, ch\u1ea3y v\u1eadt li\u1ec7u t\u1ea1i giao di\u1ec7n, v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1eddi gian<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c ch\u00ednh g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh \u0111\u00fac ph\u1ee7 l\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 keo d\u00e1n t\u1ea1i giao di\u1ec7n, c\u00f3 th\u1ec3 d\u01b0\u1edbi d\u1ea1ng li\u00ean k\u1ebft h\u00f3a h\u1ecdc (k\u1ebft d\u00ednh ph\u00e2n t\u1eed n\u00f3ng ch\u1ea3y) ho\u1eb7c li\u00ean k\u1ebft c\u01a1 h\u1ecdc (kh\u00f3a h\u00ecnh d\u1ea1ng). Th\u1ea5t b\u1ea1i t\u1ea1i li\u00ean k\u1ebft d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i c\u1ee7a to\u00e0n b\u1ed9 ph\u1ea7n t\u1eed. Th\u1ef1c t\u1ebf, g\u1ea7n nh\u01b0 m\u1ecdi v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111\u00fac ph\u1ee7 \u0111\u1ec1u \u0111\u01b0\u1ee3c quy v\u1ec1 m\u1ed9t c\u00e2u h\u1ecfi duy nh\u1ea5t \u2014 li\u1ec7u li\u00ean k\u1ebft gi\u1eefa hai v\u1eadt li\u1ec7u t\u1ea1i giao di\u1ec7n c\u00f3 x\u1ea3y ra nh\u01b0 k\u1ebf ho\u1ea1ch hay kh\u00f4ng.<\/p>\n<h3>C\u00e1c bi\u1ebfn s\u1ed1 quy tr\u00ecnh ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn khuy\u1ebft t\u1eadt<\/h3>\n<ul>\n<li>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y v\u1eadt li\u1ec7u \u0111\u00fac ph\u1ee7 \u2013 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p = n\u00f3ng ch\u1ea3y ch\u1eadm v\u00e0 li\u00ean k\u1ebft y\u1ebfu; nhi\u1ec7t \u0111\u1ed9 cao = ph\u00e2n h\u1ee7y v\u00e0 m\u00e0ng m\u1ecfng<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u2013 quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i, \u0111\u1ed9 k\u1ebft tinh v\u00e0 h\u00ecnh th\u00e0nh li\u00ean k\u1ebft<\/li>\n<li>T\u1ed1c \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t ti\u00eam \u2013 t\u1ed1c \u0111\u1ed9 qu\u00e1 nhanh c\u00f3 th\u1ec3 t\u1ea1o ra v\u1ebft nh\u1ef1a th\u1eeba v\u00e0 ch\u00e1y, t\u1ed1c \u0111\u1ed9 qu\u00e1 ch\u1eadm c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1ef1a \u0111\u00f3ng r\u1eafn s\u1edbm<\/li>\n<li>\u00c1p su\u1ea5t v\u00e0 th\u1eddi gian \u0111\u00f3ng g\u00f3i \u2013 \u0111\u00f3ng g\u00f3i kh\u00f4ng \u0111\u1ee7 s\u1ebd d\u1eabn \u0111\u1ebfn m\u1eadt \u0111\u1ed9 th\u1ea5p v\u00e0 c\u00e1c kho\u1ea3ng tr\u1ed1ng trong s\u1ea3n ph\u1ea9m cu\u1ed1i<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 n\u1ec1n \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u2013 y\u1ebfu t\u1ed1 quan tr\u1ecdng cho li\u00ean k\u1ebft h\u00f3a h\u1ecdc; n\u1ec1n l\u1ea1nh g\u00e2y s\u1ed1c nhi\u1ec7t<\/li>\n<li>Th\u1eddi gian l\u00e0m ngu\u1ed9i \u2013 n\u1ebfu qu\u00e1 ng\u1eafn s\u1ebd t\u1ea1o bi\u1ebfn d\u1ea1ng v\u00e0 d\u1ea5u v\u1ebft khi \u0111\u1ea9y khu\u00f4n, n\u1ebfu qu\u00e1 l\u00e2u s\u1ebd m\u1ea5t m\u1ee5c \u0111\u00edch v\u1eadn h\u00e0nh ho\u00e0n to\u00e0n<\/li>\n<li>Th\u00f4ng kh\u00ed \u2013 kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t t\u1ea1o ra v\u1ebft ch\u00e1y tr\u00ean nh\u1ef1a v\u00e0 ng\u0103n ng\u1eeba l\u1ed7i s\u1ea3n ph\u1ea9m<\/li>\n<\/ul>\n<h2>Keo d\u00e1n k\u00e9m &amp; T\u00e1ch l\u1edbp \u2014 V\u1ea5n \u0111\u1ec1 \u0111\u00fac ph\u1ee7 #1<\/h2>\n<p>N\u1ebfu v\u1eadt li\u1ec7u \u0111\u00fac ph\u1ee7 bong ra ho\u1eb7c t\u00e1ch kh\u1ecfi n\u1ec1n ngay sau khi \u0111\u00fac ho\u1eb7c sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng, \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a t\u00e1ch l\u1edbp ho\u1eb7c th\u1ea5t b\u1ea1i keo d\u00e1n. \u0110\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh \u0111\u00fac ph\u1ee7, chi\u1ebfm kho\u1ea3ng 40-50% c\u00e1c khi\u1ebfu n\u1ea1i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00fac ph\u1ee7.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1393\" src=\"https:\/\/benlongkj.com\/wp-content\/uploads\/2026\/08\/Poor-Adhesion-Delamination-\u2014-The-Overmolding-Problem.webp\" alt=\"B\u00e1m d\u00ednh k\u00e9m T\u00e1ch l\u1edbp \u2014 V\u1ea5n \u0111\u1ec1 Overmolding\" width=\"1448\" height=\"1086\" \/><\/p>\n<h3>Tri\u1ec7u ch\u1ee9ng<\/h3>\n<ul>\n<li>L\u1edbp \u0111\u00fac ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00e1o b\u1eb1ng tay<\/li>\n<li>B\u1ecdt kh\u00ed ho\u1eb7c ph\u1ed3ng r\u1ed9p xu\u1ea5t hi\u1ec7n gi\u1eefa hai l\u1edbp<\/li>\n<li>L\u1edbp \u0111\u00fac ph\u1ee7 co l\u1ea1i ho\u1eb7c cong ra kh\u1ecfi v\u1eadt li\u1ec7u n\u1ec1n<\/li>\n<li>Keo d\u00e1n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u; m\u1ed9t s\u1ed1 v\u00f9ng li\u00ean k\u1ebft trong khi v\u00f9ng kh\u00e1c kh\u00f4ng<\/li>\n<li>Khuy\u1ebft t\u1eadt x\u1ea3y ra sau chu tr\u00ecnh nhi\u1ec7t ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m<\/li>\n<\/ul>\n<h3>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 &amp; Gi\u1ea3i ph\u00e1p<\/h3>\n<table style=\"width: 100%; height: 338px;\">\n<thead>\n<tr style=\"height: 26px;\">\n<th style=\"height: 26px;\">Nguy\u00ean nh\u00e2n<\/th>\n<th style=\"height: 26px;\">C\u00e1ch ch\u1ea9n \u0111o\u00e1n<\/th>\n<th style=\"height: 26px;\">Gi\u1ea3i ph\u00e1p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px;\">B\u1ec1 m\u1eb7t n\u1ec1n b\u1ecb nhi\u1ec5m b\u1ea9n<\/td>\n<td style=\"height: 52px;\">Ki\u1ec3m tra d\u01b0 l\u01b0\u1ee3ng ch\u1ea5t t\u00e1ch khu\u00f4n, d\u1ea7u, b\u1ee5i tr\u00ean ch\u00e8n<\/td>\n<td style=\"height: 52px;\">Lo\u1ea1i b\u1ecf ch\u1ea5t t\u00e1ch khu\u00f4n; l\u00e0m s\u1ea1ch ch\u00e8n b\u1eb1ng IPA ho\u1eb7c x\u1eed l\u00fd plasma; s\u1eed d\u1ee5ng t\u1ea3i ch\u00e8n t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px;\">Nhi\u1ec7t \u0111\u1ed9 n\u1ec1n l\u00e0m n\u00f3ng tr\u01b0\u1edbc kh\u00f4ng \u0111\u1ee7<\/td>\n<td style=\"height: 52px;\">\u0110o nhi\u1ec7t \u0111\u1ed9 n\u1ec1n tr\u01b0\u1edbc khi ti\u00eam \u0111\u00fac ph\u1ee7 (n\u00ean t\u1eeb 60\u2013120\u00b0C t\u00f9y v\u1eadt li\u1ec7u)<\/td>\n<td style=\"height: 52px;\">Th\u00eam tr\u1ea1m l\u00e0m n\u00f3ng tr\u01b0\u1edbc (h\u1ed3ng ngo\u1ea1i ho\u1eb7c c\u1ea3m \u1ee9ng); t\u0103ng nhi\u1ec7t \u0111\u1ed9 khu\u00f4n cho ch\u00e8n<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px;\">Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y qu\u00e1 th\u1ea5p<\/td>\n<td style=\"height: 52px;\">Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y t\u1ea1i v\u00f2i phun; so s\u00e1nh v\u1edbi b\u1ea3ng d\u1eef li\u1ec7u v\u1eadt li\u1ec7u<\/td>\n<td style=\"height: 52px;\">T\u0103ng nhi\u1ec7t \u0111\u1ed9 th\u00f9ng \u0111\u00fac theo t\u1eebng b\u01b0\u1edbc 5\u201310\u00b0C; ki\u1ec3m tra ch\u1ee9c n\u0103ng b\u0103ng nhi\u1ec7t<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px;\">V\u1eadt li\u1ec7u kh\u00f4ng t\u01b0\u01a1ng th\u00edch<\/td>\n<td style=\"height: 52px;\">Ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc; TPE ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i n\u1ec1n<\/td>\n<td style=\"height: 52px;\">Chuy\u1ec3n sang lo\u1ea1i \u0111\u00fac ph\u1ee7 t\u01b0\u01a1ng th\u00edch; th\u00eam kh\u00f3a c\u01a1 h\u1ecdc (r\u00e3nh, l\u1ed7) l\u00e0m d\u1ef1 ph\u00f2ng<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px;\">D\u01b0 th\u1eeba ch\u1ea5t t\u00e1ch khu\u00f4n<\/td>\n<td style=\"height: 52px;\">Xem l\u1ea1i b\u1ea3ng quy tr\u00ecnh; ki\u1ec3m tra xem c\u00f3 s\u1eed d\u1ee5ng ch\u1ea5t t\u00e1ch khu\u00f4n tr\u00ean d\u1ee5ng c\u1ee5 overmold kh\u00f4ng<\/td>\n<td style=\"height: 52px;\">Lo\u1ea1i b\u1ecf ho\u1eb7c chuy\u1ec3n sang ch\u1ea5t t\u00e1ch khu\u00f4n th\u00e2n thi\u1ec7n v\u1edbi khu\u00f4n; thay v\u00e0o \u0111\u00f3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 nghi\u00eang v\u00e0 \u0111\u00e1nh b\u00f3ng khu\u00f4n<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px;\">Th\u1eddi gian gi\u1eef kh\u00f4ng \u0111\u1ee7<\/td>\n<td style=\"height: 52px;\">Xem l\u1ea1i c\u00e0i \u0111\u1eb7t \u00e1p su\u1ea5t \u0111\u00f3ng g\u00f3i v\u00e0 th\u1eddi gian<\/td>\n<td style=\"height: 52px;\">T\u0103ng \u00e1p su\u1ea5t \u0111\u00f3ng g\u00f3i v\u00e0 th\u1eddi gian gi\u1eef \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac giao di\u1ec7n ho\u00e0n ch\u1ec9nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>M\u1eb9o chuy\u00ean nghi\u1ec7p:<\/strong> C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n v\u1ea5n \u0111\u1ec1 b\u00e1m d\u00ednh l\u00e0 th\u1ef1c hi\u1ec7n ki\u1ec3m tra b\u00f3c l\u1edbp ch\u00e9o. N\u1ebfu b\u00e1m d\u00ednh th\u1ea5t b\u1ea1i \u1edf trung t\u00e2m nh\u01b0ng b\u00e1m d\u00ednh \u1edf c\u00e1c c\u1ea1nh, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 l\u00e0 do \u00f4 nhi\u1ec5m ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u1ec1n. N\u1ebfu b\u00e1m d\u00ednh th\u1ea5t b\u1ea1i to\u00e0n b\u1ed9, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch. \u0110\u1ec3 t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e1t tri\u1ec3n khu\u00f4n, h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/benlongkj.com\/vi\/blog\/mcb-injection-mold-development-process\/\">Quy tr\u00ecnh ph\u00e1t tri\u1ec3n khu\u00f4n \u00e9p phun MCB<\/a> bao g\u1ed3m ph\u00e2n t\u00edch d\u00f2ng ch\u1ea3y khu\u00f4n v\u00e0 dung sai d\u1ee5ng c\u1ee5 \u00e1p d\u1ee5ng tr\u1ef1c ti\u1ebfp cho d\u1ee5ng c\u1ee5 overmolding.<\/p>\n<h2 id=\"flash\">Bavia v\u00e0 V\u1eadt li\u1ec7u Th\u1eeba<\/h2>\n<p>Bavia l\u00e0 v\u1eadt li\u1ec7u th\u1eeba r\u00f2 r\u1ec9 ra kh\u1ecfi khoang khu\u00f4n d\u1ecdc theo \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n ho\u1eb7c qua c\u00e1c kho\u1ea3ng tr\u1ed1ng do ch\u00e8n ho\u1eb7c ch\u1ed1t \u0111\u1ea9y t\u1ea1o ra. Trong tr\u01b0\u1eddng h\u1ee3p overmolding, bavia \u0111\u1eb7c bi\u1ec7t g\u00e2y v\u1ea5n \u0111\u1ec1 v\u00ec n\u00f3 c\u00f3 th\u1ec3 qu\u1ea5n quanh n\u1ec1n v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c c\u1ea1nh kh\u00f4ng mong mu\u1ed1n v\u00e0 kh\u00f3 x\u1eed l\u00fd.<\/p>\n<h3>Nguy\u00ean nh\u00e2n ch\u00ednh<\/h3>\n<ul>\n<li>L\u1ef1c k\u1eb9p th\u1ea5p \u2014 \u00e1p su\u1ea5t ti\u00eam l\u1edbn h\u01a1n l\u1ef1c k\u1eb9p<\/li>\n<li>D\u1ee5ng c\u1ee5 \u0111\u00e3 c\u0169 \u2014 m\u00f2n \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n, d\u1ee5ng c\u1ee5 ch\u00e8n h\u1ecfng ho\u1eb7c l\u1ed7 ch\u1ed1t \u0111\u1ea9y b\u1ecb gi\u00e3n r\u1ed9ng.<\/li>\n<li>\u00c1p su\u1ea5t ho\u1eb7c t\u1ed1c \u0111\u1ed9 ti\u00eam cao \u2014 v\u1eadt li\u1ec7u \u0111i qua c\u00e1c kho\u1ea3ng tr\u1ed1ng<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n qu\u00e1 cao \u2014 v\u1eadt li\u1ec7u \u1edf tr\u1ea1ng th\u00e1i l\u1ecfng v\u00e0 \u0111i qua kho\u1ea3ng tr\u1ed1ng<\/li>\n<li>K\u00eanh tho\u00e1t kh\u00ed qu\u00e1 s\u00e2u \u2014 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 tho\u00e1t kh\u00ed nh\u01b0ng v\u1eadt li\u1ec7u l\u1ea1i \u0111i qua.<\/li>\n<\/ul>\n<h3>C\u00e1ch kh\u1eafc ph\u1ee5c<\/h3>\n<p>T\u0103ng l\u1ef1c k\u1eb9p (n\u1ebfu m\u00e1y c\u00f3 kh\u1ea3 n\u0103ng), gi\u1ea3m \u00e1p su\u1ea5t ti\u00eam trong giai \u0111o\u1ea1n \u0111\u00f3ng g\u00f3i, h\u1ea1 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y kho\u1ea3ng 5 \u0111\u1ebfn 10 \u0111\u1ed9 C, ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n b\u1ecb h\u1ecfng, v\u00e0 x\u00e1c nh\u1eadn \u0111\u1ed9 s\u00e2u c\u1ee7a k\u00eanh tho\u00e1t kh\u00ed (th\u01b0\u1eddng kho\u1ea3ng 0,01-0,03 mm \u0111\u1ed1i v\u1edbi TPE). N\u1ebfu v\u1eabn c\u00f2n bavia \u1edf ph\u00eda ch\u00e8n, ki\u1ec3m tra xem ch\u00e8n c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 b\u1ed9 \u0111\u1ecbnh v\u1ecb ch\u00e8n kh\u00f4ng b\u1ecb m\u00f2n.<\/p>\n<h2 id=\"short-shots\">Thi\u1ebfu v\u1eadt li\u1ec7u v\u00e0 \u0110\u1ed5 \u0111\u1ea7y kh\u00f4ng ho\u00e0n ch\u1ec9nh<\/h2>\n<p>Thi\u1ebfu v\u1eadt li\u1ec7u x\u1ea3y ra khi v\u1eadt li\u1ec7u overmolding kh\u00f4ng \u0111\u1ed5 \u0111\u1ea7y ho\u00e0n to\u00e0n khoang khu\u00f4n, d\u1eabn \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u0111\u1ea7y \u0111\u1ee7. \u0110\u00e2y th\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i \u0111\u1ea7u ti\u00ean b\u1ea1n s\u1ebd th\u1ea5y khi b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1394\" src=\"https:\/\/benlongkj.com\/wp-content\/uploads\/2026\/08\/Short-Shots-and-Incomplete-Fill.webp\" alt=\"Thi\u1ebfu v\u1eadt li\u1ec7u v\u00e0 \u0110\u1ed5 \u0111\u1ea7y kh\u00f4ng ho\u00e0n ch\u1ec9nh\" width=\"1448\" height=\"1086\" \/><\/p>\n<h3>Quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n nhanh<\/h3>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3m tra<\/th>\n<th>N\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1<\/th>\n<th>H\u00e0nh \u0111\u1ed9ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y<\/td>\n<td>D\u01b0\u1edbi ph\u1ea1m vi khuy\u1ebfn ngh\u1ecb<\/td>\n<td>T\u0103ng nhi\u1ec7t \u0111\u1ed9 th\u00f9ng; ki\u1ec3m tra d\u00e2y \u0111\u1ed1t b\u1ecb ch\u00e1y<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t ti\u00eam<\/td>\n<td>D\u01b0\u1edbi y\u00eau c\u1ea7u \u0111\u1ed5 \u0111\u1ea7y<\/td>\n<td>T\u0103ng \u00e1p su\u1ea5t; x\u00e1c minh th\u1eddi gian ti\u1ebfn v\u00edt<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 ti\u00eam<\/td>\n<td>Qu\u00e1 ch\u1eadm \u2014 v\u1eadt li\u1ec7u \u0111\u00f4ng c\u1ee9ng tr\u01b0\u1edbc khi \u0111\u1ed5 \u0111\u1ea7y<\/td>\n<td>T\u0103ng t\u1ed1c \u0111\u1ed9; ti\u00eam theo h\u1ed3 s\u01a1 (nhanh-ch\u1eadm-nhanh)<\/td>\n<\/tr>\n<tr>\n<td>Tho\u00e1t kh\u00ed<\/td>\n<td>Kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t \u1edf cu\u1ed1i \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y<\/td>\n<td>Th\u00eam ho\u1eb7c l\u00e0m s\u1ea1ch k\u00eanh tho\u00e1t kh\u00ed \u1edf \u0111i\u1ec3m cu\u1ed1i d\u00f2ng ch\u1ea3y; ki\u1ec3m tra \u0111\u1ed9 s\u00e2u k\u00eanh tho\u00e1t kh\u00ed<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc\/v\u1ecb tr\u00ed c\u1eeda d\u1eabn<\/td>\n<td>C\u1eeda d\u1eabn qu\u00e1 nh\u1ecf ho\u1eb7c \u0111\u1eb7t sai v\u1ecb tr\u00ed<\/td>\n<td>M\u1edf r\u1ed9ng c\u1eeda d\u1eabn; di chuy\u1ec3n c\u1eeda d\u1eabn g\u1ea7n c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Chi\u1ec1u d\u00e0i d\u00f2ng ch\u1ea3y<\/td>\n<td>V\u01b0\u1ee3t qu\u00e1 t\u1ef7 l\u1ec7 L\/T c\u1ee7a v\u1eadt li\u1ec7u<\/td>\n<td>Chuy\u1ec3n sang v\u1eadt li\u1ec7u c\u00f3 l\u01b0u l\u01b0\u1ee3ng cao h\u01a1n ho\u1eb7c th\u00eam b\u1ed9 d\u1eabn d\u00f2ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110i\u1ec3m ch\u00ednh c\u1ea7n xem x\u00e9t: Trong qu\u00e1 tr\u00ecnh ph\u1ee7 khu\u00f4n, c\u00f3 th\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng thi\u1ebfu v\u1eadt li\u1ec7u, nguy\u00ean nh\u00e2n l\u00e0 do l\u1edbp n\u1ec1n \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ed9 t\u1ea3n nhi\u1ec7t. Khi l\u1ea1nh, l\u1edbp n\u1ec1n l\u00e0m cho v\u1eadt li\u1ec7u ph\u1ee7 khu\u00f4n \u0111\u00f4ng c\u1ee9ng t\u1ea1i v\u00f9ng ti\u1ebfp x\u00fac. Ti\u1ec1n gia nhi\u1ec7t l\u1edbp n\u1ec1n l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t cho v\u1ea5n \u0111\u1ec1 n\u00e0y \u2014 \u0111\u00f4i khi ch\u1ec9 c\u1ea7n t\u0103ng nhi\u1ec7t \u0111\u1ed9 l\u1edbp n\u1ec1n l\u00ean 40\u00b0C c\u0169ng gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 d\u00f2ng ch\u1ea3y.<\/p>\n<h2>V\u1ebft ch\u00e1y v\u00e0 \u0111\u1ed5i m\u00e0u<\/h2>\n<p>V\u1ebft ch\u00e1y xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng c\u00e1c v\u1ec7t, th\u01b0\u1eddng c\u00f3 m\u00e0u \u0111en ho\u1eb7c n\u00e2u, n\u1eb1m \u1edf ph\u00eda tr\u01b0\u1edbc d\u00f2ng ch\u1ea3y ho\u1eb7c cu\u1ed1i v\u00f9ng \u0111\u1ed5 \u0111\u1ea7y. \u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra do kh\u00f4ng kh\u00ed ho\u1eb7c kh\u00ed b\u1ecb n\u00e9n b\u1edfi v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y \u2014 c\u00f2n g\u1ecdi l\u00e0 \u201chi\u1ec7u \u1ee9ng diesel.\u201d<\/p>\n<h3>Nguy\u00ean nh\u00e2n &amp; Gi\u1ea3i ph\u00e1p<\/h3>\n<table>\n<thead>\n<tr>\n<th>Nguy\u00ean nh\u00e2n<\/th>\n<th>M\u1eabu tri\u1ec7u ch\u1ee9ng<\/th>\n<th>Kh\u1eafc ph\u1ee5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u00f4ng h\u01a1i kh\u00f4ng \u0111\u1ee7<\/td>\n<td>Ch\u00e1y t\u1ea1i \u0111i\u1ec3m k\u1ebft th\u00fac d\u00f2ng ch\u1ea3y (\u0111\u1ed1i di\u1ec7n c\u1eeda n\u1ea1p)<\/td>\n<td>Th\u00eam l\u1ed7 th\u00f4ng h\u01a1i \u1edf cu\u1ed1i v\u00f9ng \u0111\u1ed5 \u0111\u1ea7y; t\u0103ng \u0111\u1ed9 s\u00e2u l\u1ed7 th\u00f4ng h\u01a1i l\u00ean 0.02\u20130.03mm; l\u00e0m s\u1ea1ch c\u00e1c l\u1ed7 th\u00f4ng h\u01a1i hi\u1ec7n c\u00f3<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 ti\u00eam qu\u00e1 cao<\/td>\n<td>Ch\u00e1y \u1edf c\u00e1c v\u1ecb tr\u00ed ng\u1eabu nhi\u00ean, th\u01b0\u1eddng g\u1ea7n c\u1eeda n\u1ea1p<\/td>\n<td>Gi\u1ea3m t\u1ed1c \u0111\u1ed9 ti\u00eam, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf cu\u1ed1i qu\u00e1 tr\u00ecnh \u0111\u1ed5 \u0111\u1ea7y<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1ea3m \u00e1p su\u1ea5t gi\u1ea3i n\u00e9n qu\u00e1 th\u1ea5p<\/td>\n<td>V\u1ebft ch\u00e1y thay \u0111\u1ed5i theo t\u1eebng l\u1ea7n ti\u00eam<\/td>\n<td>Th\u00eam gi\u1ea3i n\u00e9n v\u00edt (h\u00fat ng\u01b0\u1ee3c) tr\u01b0\u1edbc khi ti\u00eam<\/td>\n<\/tr>\n<tr>\n<td>Suy gi\u1ea3m v\u1eadt li\u1ec7u<\/td>\n<td>V\u1ec7t t\u1ed1i tr\u00ean to\u00e0n b\u1ed9 chi ti\u1ebft<\/td>\n<td>Gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 th\u00f9ng ch\u1ee9a; gi\u1ea3m th\u1eddi gian l\u01b0u gi\u1eef; l\u00e0m s\u1ea1ch th\u00f9ng ch\u1ee9a<\/td>\n<\/tr>\n<tr>\n<td>V\u1eadt li\u1ec7u t\u00e1i ch\u1ebf b\u1ecb nhi\u1ec5m b\u1ea9n<\/td>\n<td>C\u00e1c \u0111\u1ed1m \u0111\u1ed5i m\u00e0u ng\u1eabu nhi\u00ean<\/td>\n<td>Ki\u1ec3m tra v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf \u0111\u1ec3 ph\u00e1t hi\u1ec7n nhi\u1ec5m b\u1ea9n; gi\u1ea3m t\u1ef7 l\u1ec7 v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u1ebft ch\u00e1y l\u00e0 m\u1ed1i quan ng\u1ea1i v\u1ec1 an to\u00e0n v\u00ec c\u00e1c chi ti\u1ebft c\u0169 kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng do c\u1ea5u tr\u00fac b\u1ecb suy y\u1ebfu v\u00e0 gi\u1ea3i ph\u00f3ng c\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i. Kh\u00f4ng bao gi\u1edd v\u1eadn chuy\u1ec3n chi ti\u1ebft b\u1ecb ch\u00e1y. Khi ch\u1ec9 \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng h\u01a1i kh\u00f4ng hi\u1ec7u qu\u1ea3, h\u00e3y c\u00e2n nh\u1eafc thay \u0111\u1ed5i thi\u1ebft k\u1ebf \u0111\u1ec3 h\u01b0\u1edbng lu\u1ed3ng kh\u00ed \u0111\u1ebfn c\u00e1c l\u1ed7 th\u00f4ng h\u01a1i hi\u1ec7n t\u1ea1i.<\/p>\n<h2 id=\"sink-marks\">V\u1ebft l\u00f5m v\u00e0 c\u00e1c ch\u1ed7 tr\u0169ng tr\u00ean b\u1ec1 m\u1eb7t<\/h2>\n<p><strong>V\u1ebft l\u00f5m<\/strong> l\u00e0 c\u00e1c ch\u1ed7 tr\u0169ng n\u00f4ng tr\u00ean b\u1ec1 m\u1eb7t ph\u1ee7 khu\u00f4n, th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c ph\u1ea7n d\u00e0y, g\u00e2n ho\u1eb7c v\u1ecb tr\u00ed g\u00f9 n\u01a1i v\u1eadt li\u1ec7u co r\u00fat kh\u00f4ng \u0111\u1ec1u trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i.<\/p>\n<h3>Nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ebft l\u00f5m<\/h3>\n<ul>\n<li>\u0110\u1ed9 d\u00e0y th\u00e0nh qu\u00e1 l\u1edbn \u2013 c\u00e1c v\u00f9ng d\u00e0y ngu\u1ed9i nhanh h\u01a1n c\u00e1c ph\u1ea7n m\u1ecfng.<\/li>\n<li>\u00c1p su\u1ea5t \u0111\u00f3ng g\u00f3i th\u1ea5p \u2013 v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb \u00e9p \u0111\u1ee7 tr\u01b0\u1edbc khi \u0111\u00f4ng c\u1ee9ng.<\/li>\n<li>Th\u1eddi gian \u0111\u00f3ng g\u00f3i kh\u00f4ng \u0111\u1ee7 \u2013 c\u1ed5 khu\u00f4n \u0111\u00f4ng c\u1ee9ng tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh \u0111\u1ed5 \u0111\u1ea7y k\u1ebft th\u00fac.<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n qu\u00e1 cao \u2013 th\u1eddi gian l\u00e0m ngu\u1ed9i d\u00e0i d\u1eabn \u0111\u1ebfn co r\u00fat.<\/li>\n<li>\u0110\u1ed9 d\u00e0y g\u00e2n ho\u1eb7c g\u00f9 qu\u00e1 l\u1edbn \u2013 \u0111\u1ed9 d\u00e0y g\u00e2n ph\u1ea3i \u2264 60% \u0111\u1ed9 d\u00e0y th\u00e0nh.<\/li>\n<\/ul>\n<h3>Gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf (Th\u1ee9 t\u1ef1 \u01b0u ti\u00ean)<\/h3>\n<ul>\n<li>T\u0103ng \u00e1p su\u1ea5t \u0111\u00f3ng g\u00f3i \u2013 \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u1ea7u ti\u00ean ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb cho h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i v\u1ebft l\u00f5m. T\u0103ng d\u1ea7n theo t\u1eebng b\u01b0\u1edbc 10 bar cho \u0111\u1ebfn khi v\u1ebft l\u00f5m bi\u1ebfn m\u1ea5t ho\u1eb7c xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng tr\u00e0n khu\u00f4n.<\/li>\n<li>T\u0103ng th\u1eddi gian \u0111\u00f3ng g\u00f3i \u2013 duy tr\u00ec \u00e1p su\u1ea5t cho \u0111\u1ebfn khi c\u1eeda n\u1ea1p \u0111\u00f4ng c\u1ee9ng. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh<\/li>\n<li>tr\u1ecdng l\u01b0\u1ee3ng t\u1ea1i th\u1eddi \u0111i\u1ec3m c\u1eeda n\u1ea1p \u0111\u00f4ng c\u1ee9ng, th\u1ef1c hi\u1ec7n c\u00e2n \u1edf c\u00e1c th\u1eddi gian gi\u1eef kh\u00e1c nhau.<\/li>\n<li>Gi\u1ea3m \u0111\u1ed9 d\u00e0y th\u00e0nh \u2013 n\u1ebfu c\u00f3 th\u1ec3, lo\u1ea1i b\u1ecf m\u1ed9t ph\u1ea7n th\u00e0nh trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf.<\/li>\n<li>H\u1ea1 nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u2013 l\u00e0m ngu\u1ed9i nhanh h\u01a1n gi\u00fap gi\u1ea3m co r\u00fat.<\/li>\n<\/ul>\n<h2>Bi\u1ebfn d\u1ea1ng v\u00e0 m\u00e9o k\u00edch th\u01b0\u1edbc<\/h2>\n<p>Bi\u1ebfn d\u1ea1ng x\u1ea3y ra khi c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a chi ti\u1ebft ngu\u1ed9i \u0111i v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn vi\u1ec7c xo\u1eafn, u\u1ed1n cong ho\u1eb7c cong v\u00eanh c\u1ee7a chi ti\u1ebft ho\u00e0n thi\u1ec7n. V\u1ea5n \u0111\u1ec1 n\u00e0y c\u00e0ng tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng h\u01a1n v\u1edbi qu\u00e1 tr\u00ecnh ph\u1ee7 khu\u00f4n do h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) kh\u00e1c nhau c\u1ee7a hai v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng ngu\u1ed9i \u0111i \u0111\u1ed3ng th\u1eddi.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1395\" src=\"https:\/\/benlongkj.com\/wp-content\/uploads\/2026\/08\/Warpage-and-Dimensional-Distortion.webp\" alt=\"Bi\u1ebfn d\u1ea1ng v\u00e0 m\u00e9o k\u00edch th\u01b0\u1edbc\" width=\"1448\" height=\"1086\" \/><\/p>\n<h3>Nguy\u00ean nh\u00e2n ch\u00ednh<\/h3>\n<table>\n<thead>\n<tr>\n<th>Danh m\u1ee5c<\/th>\n<th>Nguy\u00ean nh\u00e2n c\u1ee5 th\u1ec3<\/th>\n<th>Bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nhi\u1ec7t<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n kh\u00f4ng \u0111\u1ec1u gi\u1eefa hai n\u1eeda<\/td>\n<td>C\u00e2n b\u1eb1ng k\u00eanh l\u00e0m m\u00e1t; nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u0111\u1ed3ng \u0111\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td>V\u1eadt li\u1ec7u<\/td>\n<td>Sai l\u1ec7ch l\u1edbn v\u1ec1 CTE gi\u1eefa n\u1ec1n v\u00e0 l\u1edbp ph\u1ee7 khu\u00f4n<\/td>\n<td>Ch\u1ecdn v\u1eadt li\u1ec7u c\u00f3 CTE g\u1ea7n nhau h\u01a1n; th\u00eam l\u1edbp chuy\u1ec3n ti\u1ebfp<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft k\u1ebf<\/td>\n<td>\u0110\u1ed9 d\u00e0y th\u00e0nh kh\u00f4ng \u0111\u1ed1i x\u1ee9ng<\/td>\n<td>Thi\u1ebft k\u1ebf l\u1ea1i \u0111\u1ec3 c\u00f3 \u0111\u1ed9 d\u00e0y th\u00e0nh \u0111\u1ed3ng \u0111\u1ec1u; th\u00eam x\u01b0\u01a1ng t\u0103ng c\u1ee9ng<\/td>\n<\/tr>\n<tr>\n<td>Quy tr\u00ecnh<\/td>\n<td>\u00c1p l\u1ef1c \u0111\u00f3ng g\u00f3i qu\u00e1 m\u1ee9c g\u00e2y ra \u1ee9ng su\u1ea5t b\u00ean trong<\/td>\n<td>Gi\u1ea3m \u00e1p l\u1ef1c \u0111\u00f3ng g\u00f3i; \u0111i\u1ec1u ch\u1ec9nh \u00e1p l\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>L\u00e0m m\u00e1t<\/td>\n<td>Th\u00e1o khu\u00f4n qu\u00e1 s\u1edbm tr\u01b0\u1edbc khi \u0111\u00f4ng \u0111\u1eb7c ho\u00e0n to\u00e0n<\/td>\n<td>K\u00e9o d\u00e0i th\u1eddi gian l\u00e0m m\u00e1t; ki\u1ec3m tra l\u1ef1c th\u00e1o khu\u00f4n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1eb9o li\u00ean quan \u0111\u1ebfn ph\u1ee7 khu\u00f4n: Bi\u1ebfn d\u1ea1ng th\u01b0\u1eddng x\u1ea3y ra do qu\u00e1 nhi\u1ec7t n\u1ec1n trong qu\u00e1 tr\u00ecnh ph\u1ee7 khu\u00f4n. N\u1ec1n gi\u00e3n n\u1edf\/ co l\u1ea1i do \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t, g\u00e2y k\u1ebft n\u1ed1i v\u1edbi l\u1edbp ph\u1ee7 khu\u00f4n khi n\u1ec1n \u0111ang gi\u00e3n n\u1edf. Sau khi ngu\u1ed9i, n\u1ec1n co l\u1ea1i nhi\u1ec1u h\u01a1n d\u1ef1 ki\u1ebfn. Gi\u1eef nhi\u1ec7t \u0111\u1ed9 ti\u1ec1n gia nhi\u1ec7t c\u1ee7a n\u1ec1n trong kho\u1ea3ng 10\u00b0\u201315\u00b0C so v\u1edbi nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho v\u1eadt li\u1ec7u ph\u1ee7 khu\u00f4n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 co r\u00fat kh\u00e1c bi\u1ec7t.<\/p>\n<h2 id=\"splay\">V\u1ebft loang, v\u1ec7t b\u1ea1c &amp; \u0111\u1ed9 \u1ea9m<\/h2>\n<p>V\u1ebft loang, th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 v\u1ec7t b\u1ea1c, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 c\u00e1c h\u00ecnh d\u1ea1ng qu\u1ea1t ho\u1eb7c v\u1ec7t tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft. Nh\u1eefng v\u1ebft n\u00e0y th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1eeb c\u1eeda phun v\u00e0 lan ra ngo\u00e0i. N\u00f3i chung, s\u1ef1 h\u00ecnh th\u00e0nh v\u1ebft loang l\u00e0 do \u0111\u1ed9 \u1ea9m chuy\u1ec3n th\u00e0nh h\u01a1i n\u01b0\u1edbc trong nh\u1ef1a trong qu\u00e1 tr\u00ecnh ti\u00eam.<\/p>\n<h3>\u0110\u1ed9 \u1ea9m l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn<\/h3>\n<p>C\u1ea3 nh\u1ef1a TPE v\u00e0 TPU \u0111\u1ec1u h\u00fat \u1ea9m. \u0110\u1eb7c bi\u1ec7t TPU h\u1ea5p th\u1ee5 \u1ea9m nhanh, n\u00ean c\u1ea7n \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 \u0111\u00fang c\u00e1ch. Ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n<ul>\n<li>Th\u1eddi gian v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u1ea5y \u2014 TPU th\u01b0\u1eddng c\u1ea7n s\u1ea5y t\u1eeb 2 \u0111\u1ebfn 4 gi\u1edd \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 80 \u0111\u1ebfn 110\u00b0C; TPE th\u01b0\u1eddng c\u1ea7n s\u1ea5y t\u1eeb 2 \u0111\u1ebfn 3 gi\u1edd \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 70 \u0111\u1ebfn 90\u00b0C.<\/li>\n<li>Ch\u1ee9c n\u0103ng m\u00e1y s\u1ea5y \u2014 ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m s\u01b0\u01a1ng (ph\u1ea3i d\u01b0\u1edbi -30\u00b0C) v\u00e0 x\u00e1c minh t\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u h\u00fat \u1ea9m.<\/li>\n<li>Th\u1eddi gian l\u01b0u v\u1eadt li\u1ec7u trong ph\u1ec5u \u2014 n\u1ebfu v\u1eadt li\u1ec7u \u0111\u1ec3 trong ph\u1ec5u m\u1edf qu\u00e1 l\u00e2u, ch\u00fang c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 l\u1ea1i \u0111\u1ed9 \u1ea9m.<\/li>\n<li>Hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c l\u1ed7 th\u00f4ng h\u01a1i \u2014 \u0111\u1ed9 \u1ea9m b\u1ecb gi\u1eef l\u1ea1i trong khu\u00f4n s\u1ebd chuy\u1ec3n th\u00e0nh khuy\u1ebft t\u1eadt v\u1ebft loang.<\/li>\n<\/ul>\n<h3>C\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c g\u00e2y v\u1ebft loang<\/h3>\n<ul>\n<li>Kh\u00f4ng kh\u00ed b\u1ecb h\u00fat v\u00e0o \u2014 t\u1ed1c \u0111\u1ed9 v\u00edt qu\u00e1 cao trong qu\u00e1 tr\u00ecnh h\u1ed3i v\u1eadt li\u1ec7u khi\u1ebfn kh\u00f4ng kh\u00ed b\u1ecb k\u00e9o v\u00e0o ch\u1ea3y nh\u1ef1a.<\/li>\n<li>Gi\u1ea3m \u00e1p qu\u00e1 cao do hi\u1ec7u \u1ee9ng h\u00fat ng\u01b0\u1ee3c qu\u00e1 m\u1ee9c.<\/li>\n<li>V\u1eadt li\u1ec7u b\u1ecb nhi\u1ec5m b\u1ea9n \u2014 nh\u1ef1a b\u1ecb tr\u1ed9n l\u1eabn v\u00e0 c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y kh\u00e1c nhau.<\/li>\n<li>\u0110\u1ea7u phun b\u1ecb r\u1ec9 nh\u1ef1a \u2014 v\u1eadt li\u1ec7u ch\u1ea3y ra \u0111\u1ea7u phun th\u00e0nh s\u1ee3i v\u00e0 t\u1ea1o ra c\u00e1c t\u00fai kh\u00ed.<br \/>\nM\u1eb9o nhanh: Hi\u1ec3u r\u1eb1ng n\u1ebfu hi\u1ec7n t\u01b0\u1ee3ng splay b\u1eaft \u0111\u1ea7u \u0111\u1ed9t ng\u1ed9t trong ho\u1eb7c sau khi thay \u0111\u1ed5i v\u1eadt li\u1ec7u ho\u1eb7c do ng\u1eebng ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i tu\u1ea7n, c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch l\u00e0m s\u1ea1ch th\u00f9ng ch\u1ee9a k\u1ef9 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng 3-5 l\u1ea7n b\u01a1m nh\u1ef1a nguy\u00ean sinh v\u00e0 ki\u1ec3m tra m\u00e1y s\u1ea5y. \u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 vi\u1ec7c duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, xem h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/benlongkj.com\/vi\/blog\/manufacturing-plant-shutdown-checklist\/\">danh s\u00e1ch ki\u1ec3m tra ng\u1eebng ho\u1ea1t \u0111\u1ed9ng nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t<\/a>.<\/li>\n<\/ul>\n<h2>D\u00f2ng ch\u1ea3y v\u00e0 \u0110\u01b0\u1eddng h\u00e0n<\/h2>\n<p>D\u00f2ng ch\u1ea3y l\u00e0 c\u00e1c m\u1eabu nh\u00ecn th\u1ea5y tr\u00ean b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a chi ti\u1ebft cho bi\u1ebft h\u01b0\u1edbng c\u1ee7a v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y. \u0110\u01b0\u1eddng h\u00e0n cho th\u1ea5y \u0111i\u1ec3m m\u00e0 hai d\u00f2ng ch\u1ea3y h\u1ed9i t\u1ee5 v\u00e0 k\u1ebft n\u1ed1i. Hai \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y c\u00f3 th\u1ec3 th\u1ea5y trong qu\u00e1 tr\u00ecnh overmolding do c\u1ea5u tr\u00fac h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p c\u1ee7a n\u1ec1n.<\/p>\n<h3>Ph\u00e2n bi\u1ec7t hai lo\u1ea1i<\/h3>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>D\u00f2ng ch\u1ea3y<\/th>\n<th>\u0110\u01b0\u1eddng h\u00e0n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>H\u00ecnh th\u1ee9c<\/td>\n<td>V\u1ec7t s\u00f3ng theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y<\/td>\n<td>\u0110\u01b0\u1eddng n\u1ed1i r\u00f5 r\u00e0ng n\u01a1i c\u00e1c m\u1eb7t d\u00f2ng ch\u1ea3y h\u1ee3p nh\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>Location<\/td>\n<td>\u1ede b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o gi\u1eefa c\u1eeda v\u00e0o v\u00e0 cu\u1ed1i v\u00f9ng \u0111\u1ed5 \u0111\u1ea7y<\/td>\n<td>Ph\u00eda sau c\u00e1c l\u1ed7, ch\u1ed1t ho\u1eb7c \u0111\u01b0\u1eddng ch\u1ea3y ph\u00e2n t\u00e1ch<\/td>\n<\/tr>\n<tr>\n<td>M\u1ed1i quan t\u00e2m v\u1ec1 c\u1ea5u tr\u00fac<\/td>\n<td>Th\u01b0\u1eddng ch\u1ec9 mang t\u00ednh th\u1ea9m m\u1ef9<\/td>\n<td>C\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec3m y\u1ebfu \u2014 lu\u00f4n ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n<\/td>\n<\/tr>\n<tr>\n<td>Nguy\u00ean nh\u00e2n ch\u00ednh<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y qu\u00e1 th\u1ea5p ho\u1eb7c t\u1ed1c \u0111\u1ed9 qu\u00e1 ch\u1eadm<\/td>\n<td>C\u00e1c m\u1eb7t d\u00f2ng ch\u1ea3y g\u1eb7p nhau khi qu\u00e1 l\u1ea1nh n\u00ean kh\u00f4ng th\u1ec3 k\u1ebft d\u00ednh ho\u00e0n to\u00e0n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00e1ch kh\u1eafc ph\u1ee5c D\u00f2ng ch\u1ea3y<\/h3>\n<ul>\n<li>T\u0103ng nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y l\u00ean 5 \u0111\u1ebfn 10 \u00b0C.<\/li>\n<li>T\u0103ng t\u1ed1c \u0111\u1ed9 ti\u00eam (\u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u).<\/li>\n<li>T\u0103ng nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u0111\u1ec3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i.<\/li>\n<li>L\u00e0m c\u1eeda v\u00e0o l\u1edbn h\u01a1n ho\u1eb7c \u0111\u1eb7t g\u1ea7n khu v\u1ef1c c\u00f3 v\u1ea5n \u0111\u1ec1 h\u01a1n.<\/li>\n<li>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 c\u1ea5p \u0111\u1ed9 d\u00f2ng ch\u1ea3y cao h\u01a1n.<\/li>\n<\/ul>\n<h3>C\u00e1ch kh\u1eafc ph\u1ee5c \u0110\u01b0\u1eddng h\u00e0n<\/h3>\n<ul>\n<li>T\u0103ng nhi\u1ec7t \u0111\u1ed9 qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 khu\u00f4n \u0111\u1ec3 c\u00e1c m\u1eb7t d\u00f2ng ch\u1ea3y \u0111\u1ebfn \u0111i\u1ec3m h\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n<\/li>\n<li>T\u0103ng t\u1ed1c \u0111\u1ed9 ti\u00eam nh\u1ef1a \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian gi\u1eefa \u0111i\u1ec3m ph\u00e2n t\u00e1ch d\u00f2ng ch\u1ea3y v\u00e0 \u0111i\u1ec3m n\u1ed1i l\u1ea1i<\/li>\n<li>Th\u00eam gi\u1ebfng tr\u00e0n t\u1ea1i v\u1ecb tr\u00ed \u0111\u01b0\u1eddng h\u00e0n \u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u l\u1ea1nh<\/li>\n<li>Di chuy\u1ec3n c\u1eeda v\u00e0o \u0111\u1ebfn v\u1ecb tr\u00ed \u00edt nh\u1ea1y c\u1ea3m h\u01a1n cho vi\u1ec7c n\u1ed1i c\u00e1c m\u1eb7t d\u00f2ng ch\u1ea3y<\/li>\n<li>N\u1ebfu \u0111\u01b0\u1eddng h\u00e0n c\u00f3 t\u00ednh ch\u1ea5t c\u1ea5u tr\u00fac, c\u00f3 th\u1ec3 cung c\u1ea5p t\u00ednh n\u0103ng kh\u00f3a c\u01a1 h\u1ecdc trong khu v\u1ef1c h\u00e0n nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba<\/li>\n<\/ul>\n<h2 id=\"contamination\">Nhi\u1ec5m m\u00e0u v\u00e0 V\u1ec7t m\u00e0u<\/h2>\n<p>V\u1ec7t m\u00e0u ho\u1eb7c s\u1ef1 thay \u0111\u1ed5i m\u00e0u kh\u00f4ng mong mu\u1ed1n trong overmold th\u01b0\u1eddng do <strong>v\u1eadt li\u1ec7u c\u00f2n s\u00f3t l\u1ea1i<\/strong> t\u1eeb l\u1ea7n ch\u1ea1y tr\u01b0\u1edbc, <strong>t\u00e1i nghi\u1ec1n b\u1ecb nhi\u1ec5m b\u1ea9n<\/strong>, ho\u1eb7c <strong>v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t t\u1ea1o m\u00e0u<\/strong>.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng ph\u1ed5 bi\u1ebfn<\/h3>\n<ul>\n<li>M\u00e0u t\u1ed1i xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc c\u00e1c s\u1eafc th\u00e1i nh\u1ea1t h\u01a1n t\u1ea1o th\u00e0nh v\u1ec7t khi m\u00e0u \u0111\u01b0\u1ee3c chuy\u1ec3n giao. C\u1ea7n l\u00e0m s\u1ea1ch th\u00f9ng ch\u1ee9a t\u1eeb 20 \u0111\u1ebfn 30 l\u1ea7n b\u01a1m ho\u1eb7c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ee3p ch\u1ea5t l\u00e0m s\u1ea1ch.<\/li>\n<li>Nhi\u1ec5m b\u1ea9n do c\u00e1c m\u00e0u kh\u00e1c nhau c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7u \u1ee9ng v\u1ec7t n\u00e0y. Tuy nhi\u00ean, c\u1ea7n ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean m\u00e0u s\u1eafc v\u00e0 v\u1eadt li\u1ec7u.<\/li>\n<li>N\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t t\u1ea1o m\u00e0u, b\u1eb1ng c\u00e1ch t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00f2ng quay c\u1ee7a v\u00edt trong qu\u00e1 tr\u00ecnh nh\u1ef1a h\u00f3a v\u00e0 t\u0103ng \u00e1p su\u1ea5t ng\u01b0\u1ee3c, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/li>\n<li>C\u00f3 kh\u1ea3 n\u0103ng m\u00f2n \u0111\u1ea7u phun v\u00ec trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y v\u1eadt li\u1ec7u c\u00f3 xu h\u01b0\u1edbng b\u1ecb k\u1eb9t tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng.<\/li>\n<li>V\u1ec7 sinh k\u1ef9 ph\u1ec5u sau khi thay \u0111\u1ed5i v\u1eadt li\u1ec7u.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o c\u00f3 quy tr\u00ecnh l\u00e0m s\u1ea1ch th\u00edch h\u1ee3p trong qu\u00e1 tr\u00ecnh overmolding v\u00ec \u0111i\u1ec1u n\u00e0y \u0111\u00fang trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng th\u1ee9c kh\u00e1c nhau trong s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n<h2 id=\"process-checklist\">Danh s\u00e1ch ki\u1ec3m tra kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ch\u00ednh<\/h2>\n<p>Khi ph\u00e1t hi\u1ec7n l\u1ed7i m\u1edbi trong ho\u1ea1t \u0111\u1ed9ng d\u00e2y chuy\u1ec1n \u00e9p ph\u1ee7, h\u00e3y l\u00e0m theo danh s\u00e1ch ki\u1ec3m tra theo th\u1ee9 t\u1ef1. Danh s\u00e1ch ki\u1ec3m tra gi\u00fap gi\u1ea3i quy\u1ebft 80% c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi nguy\u00ean nh\u00e2n \u0111\u01a1n gi\u1ea3n v\u1ec1 quy tr\u00ecnh ho\u1eb7c v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh b\u1ea5t k\u1ef3 s\u1eeda \u0111\u1ed5i c\u00f4ng c\u1ee5 n\u00e0o.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1396\" src=\"https:\/\/benlongkj.com\/wp-content\/uploads\/2026\/08\/Master-Troubleshooting-Checklist.webp\" alt=\"Danh s\u00e1ch ki\u1ec3m tra kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ch\u00ednh\" width=\"1448\" height=\"1086\" \/><\/p>\n<table>\n<thead>\n<tr>\n<th>B\u01b0\u1edbc<\/th>\n<th>Ki\u1ec3m tra<\/th>\n<th>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n ki\u1ec3m tra<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>X\u00e1c minh v\u1eadt li\u1ec7u<\/td>\n<td>Lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00fang? Th\u1eddi gian\/nhi\u1ec7t \u0111\u1ed9 s\u1ea5y \u0111\u00fang? \u0110\u1ed9 \u1ea9m \u22640.05% \u0111\u1ed1i v\u1edbi TPU?<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y<\/td>\n<td>Trong ph\u1ea1m vi b\u1ea3ng d\u1eef li\u1ec7u? \u0110o t\u1ea1i v\u00f2i phun b\u1eb1ng nhi\u1ec7t k\u1ebf h\u1ed3ng ngo\u1ea1i?<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n<\/td>\n<td>Trong ph\u1ea1m vi? Hai n\u1eeda c\u00e2n b\u1eb1ng? L\u01b0u l\u01b0\u1ee3ng l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c x\u00e1c minh?<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>L\u00e0m n\u00f3ng tr\u01b0\u1edbc n\u1ec1n<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 \u0111o tr\u00ean chi ti\u1ebft ch\u00e8n tr\u01b0\u1edbc khi \u0111\u1eb7t? \u0110\u1ec1u \u0111\u1eb7n?<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>H\u1ed3 s\u01a1 ti\u00eam<\/td>\n<td>H\u1ed3 s\u01a1 t\u1ed1c \u0111\u1ed9 ph\u00f9 h\u1ee3p? \u00c1p su\u1ea5t \u0111\u1ee7 \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y?<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u00c1p su\u1ea5t v\u00e0 th\u1eddi gian \u0111\u00f3ng g\u00f3i<\/td>\n<td>\u0110\u1ee7 \u0111\u1ec3 ng\u0103n s\u1ee5t l\u00f5m? \u0110\u1ee7 l\u00e2u \u0111\u1ec3 c\u1eeda d\u1eabn \u0111\u00f4ng c\u1ee9ng?<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>L\u1ef1c k\u1eb9p<\/td>\n<td>\u0110\u1ee7 \u0111\u1ec3 ng\u0103n tr\u00e0n? C\u00f4ng su\u1ea5t m\u00e1y ph\u00f9 h\u1ee3p v\u1edbi di\u1ec7n t\u00edch chi\u1ebfu?<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>Tho\u00e1t kh\u00ed<\/td>\n<td>L\u1ed7 tho\u00e1t kh\u00ed s\u1ea1ch? \u0110\u1ed9 s\u00e2u \u0111\u00fang (0.01\u20130.03mm)? L\u1ed7 tho\u00e1t kh\u00ed \u1edf cu\u1ed1i d\u00f2ng ch\u1ea3y?<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>T\u00ecnh tr\u1ea1ng c\u00f4ng c\u1ee5<\/td>\n<td>\u0110\u01b0\u1eddng ph\u00e2n khu\u00f4n k\u00edn? Ch\u1ed1t \u0111\u1ea9y kh\u00f4ng m\u00f2n? C\u1eeda d\u1eabn kh\u00f4ng m\u00f2n?<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh chu tr\u00ecnh<\/td>\n<td>Th\u1eddi gian chu tr\u00ecnh \u1ed5n \u0111\u1ecbnh? Tr\u1ecdng l\u01b0\u1ee3ng phun \u0111\u1ed3ng \u0111\u1ec1u? Kh\u00f4ng c\u00f3 s\u1ef1 do d\u1ef1 hay bi\u1ebfn \u0111\u1ed9ng?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>H\u01b0\u1edbng d\u1eabn ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 thay \u0111\u1ed5i m\u1ed9t bi\u1ebfn s\u1ed1 m\u1ed7i l\u1ea7n v\u00e0 ch\u1edd 10-15 l\u1ea7n th\u1eed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ecnh tr\u1ea1ng \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3. Nhi\u1ec1u l\u1ea7n gi\u1ea3i ph\u00e1p kh\u00f4ng c\u00f3 hi\u1ec7u qu\u1ea3 ch\u1ec9 v\u00ec ch\u01b0a \u0111\u1ee7 th\u1eddi gian \u0111\u1ec3 thay \u0111\u1ed5i di\u1ec5n ra ho\u00e0n to\u00e0n. \u0110\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 l\u1ef1a ch\u1ecdn v\u00e0 b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb \u00e9p phun, t\u00e0i li\u1ec7u tham kh\u1ea3o c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/benlongkj.com\/vi\/mcb-injection-mold-product\/\">s\u1ea3n ph\u1ea9m khu\u00f4n \u00e9p MCB<\/a> cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng \u00e9p ch\u00ednh x\u00e1c.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>L\u1ed7i \u00e9p ph\u1ee7 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 g\u00ec?<\/h3>\n<p>L\u1ed7i \u00e9p ph\u1ee7 \u0111\u01a1n gi\u1ea3n do li\u00ean k\u1ebft k\u00e9m gi\u1eefa c\u00e1c l\u1edbp l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong \u00e9p ph\u1ee7, chi\u1ebfm kho\u1ea3ng 40-50% t\u1ed5ng s\u1ed1 l\u1ed7i. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng l\u00e0 b\u1ec1 m\u1eb7t n\u1ec1n b\u1ecb nhi\u1ec5m b\u1ea9n, kh\u00f4ng l\u00e0m n\u00f3ng tr\u01b0\u1edbc n\u1ec1n, nhi\u1ec7t \u0111\u1ed9 v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y th\u1ea5p ho\u1eb7c k\u1ebft h\u1ee3p c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau. C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ed7i n\u00e0y l\u00e0 ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 n\u1ec1n tr\u01b0\u1edbc khi ti\u00eam, c\u0169ng nh\u01b0 th\u1ef1c hi\u1ec7n ki\u1ec3m tra b\u00f3c t\u00e1ch. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1, tr\u01b0\u1edbc ti\u00ean x\u1eed l\u00fd nhi\u1ec5m b\u1ea9n, sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 quy tr\u00ecnh.<\/p>\n<h3>T\u1ea1i sao l\u1edbp ph\u1ee7 c\u1ee7a t\u00f4i l\u1ea1i b\u1ecb bong ra kh\u1ecfi n\u1ec1n?<\/h3>\n<p>Bong l\u1edbp l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 c\u1ed1 k\u1ebft d\u00ednh t\u1ea1i giao di\u1ec7n v\u1eadt li\u1ec7u. Ba nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u l\u00e0 1) d\u01b0 l\u01b0\u1ee3ng ch\u1ea5t t\u00e1ch khu\u00f4n tr\u00ean n\u1ec1n \u2013 lo\u1ea1i b\u1ecf ch\u1ea5t t\u00e1ch ho\u1eb7c ch\u1ecdn lo\u1ea1i t\u01b0\u01a1ng th\u00edch v\u1edbi khu\u00f4n; 2) n\u1ec1n qu\u00e1 l\u1ea1nh \u2013 l\u1edbp ph\u1ee7 \u0111\u00f4ng c\u1ee9ng khi ti\u1ebfp x\u00fac; do \u0111\u00f3, l\u00e0m n\u00f3ng tr\u01b0\u1edbc n\u1ec1n trong kho\u1ea3ng 60 \u0111\u1ebfn 120\u00b0C; 3) v\u1eadt li\u1ec7u kh\u00f4ng t\u01b0\u01a1ng th\u00edch, v\u00ed d\u1ee5, lo\u1ea1i TPE c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc v\u1edbi nh\u1ef1a n\u1ec1n. Ki\u1ec3m tra b\u1ea3ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p cho l\u1edbp ph\u1ee7.<\/p>\n<h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba tr\u00e0n trong \u00e9p ph\u1ee7?<\/h3>\n<p>C\u00f3 ba y\u1ebfu t\u1ed1 c\u1ea7n \u0111\u01b0\u1ee3c quan s\u00e1t nh\u1eb1m m\u1ee5c \u0111\u00edch ng\u0103n ng\u1eeba flash: 1) l\u1ef1c k\u1eb9p th\u00edch h\u1ee3p c\u1ea7n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng (t\u1ee9c l\u00e0 \u0111\u1ea3m b\u1ea3o di\u1ec7n t\u00edch chi\u1ebfu x \u00e1p l\u1ef1c ti\u00eam kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a l\u1ef1c k\u1eb9p); 2) d\u1ee5ng c\u1ee5 m\u00f2n (ki\u1ec3m tra \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n v\u00e0 s\u1eeda ch\u1eefa khi c\u1ea7n thi\u1ebft); 3) c\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh (nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y v\u00e0 t\u1ed1c \u0111\u1ed9 ti\u00eam n\u00ean th\u1ea5p h\u01a1n do \u1ea3nh h\u01b0\u1edfng c\u1ee7a giai \u0111o\u1ea1n \u0111\u00f3ng g\u00f3i). N\u1ebfu quan s\u00e1t th\u1ea5y flash d\u1ecdc theo c\u00e1c ch\u00e8n, th\u00ec c\u1ea7n ki\u1ec3m tra vi\u1ec7c \u0111\u1eb7t ch\u00e8n.<\/p>\n<h3>T\u00f4i c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n overmold m\u00e0 kh\u00f4ng c\u1ea7n l\u00e0m n\u00f3ng tr\u01b0\u1edbc b\u1ec1 m\u1eb7t n\u1ec1n kh\u00f4ng?<\/h3>\n<p>C\u00f3 th\u1ec3 b\u1ecf qua thao t\u00e1c \u0111\u00f3, nh\u01b0ng \u0111\u1ed9 b\u00e1m d\u00ednh c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. L\u00e0m n\u00f3ng tr\u01b0\u1edbc b\u1ec1 m\u1eb7t n\u1ec1n cho ph\u00e9p nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec1 m\u1eb7t n\u1ec1n \u0111\u01b0\u1ee3c \u0111\u01b0a g\u1ea7n h\u01a1n \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a nh\u1ef1a \u0111\u00fac v\u00e0 do \u0111\u00f3 tr\u1ea3i qua m\u1ee9c \u0111\u1ed9 khu\u1ebfch t\u00e1n ph\u00e2n t\u1eed \u0111\u1ee7 t\u1ea1i giao di\u1ec7n. Khi \u0111\u00fac TPE l\u00ean ABS, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u c\u1ee7a b\u1ec1 m\u1eb7t n\u1ec1n l\u00e0 t\u1eeb 80\u00b0C \u0111\u1ebfn 100\u00b0C. M\u1eb7c d\u00f9 b\u1ecf qua b\u01b0\u1edbc l\u00e0m n\u00f3ng tr\u01b0\u1edbc c\u00f3 v\u1ebb nh\u01b0 r\u00fat ng\u1eafn th\u1eddi gian chu tr\u00ecnh, nh\u01b0ng s\u1ef1 gia t\u0103ng ph\u1ebf ph\u1ea9m v\u00e0 h\u00e0ng tr\u1ea3 l\u1ea1i do t\u00e1ch l\u1edbp s\u1ebd l\u00e0m quy\u1ebft \u0111\u1ecbnh n\u00e0y ho\u00e0n to\u00e0n v\u00f4 ngh\u0129a.<\/p>\n<h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.spe.org\/\" target=\"_blank\" rel=\"nofollow noopener\">Hi\u1ec7p h\u1ed9i K\u1ef9 s\u01b0 Nh\u1ef1a (SPE) \u2014 T\u00e0i nguy\u00ean K\u1ef9 thu\u1eadt v\u1ec1 Overmolding &amp; \u0110\u00fac \u0111a th\u00e0nh ph\u1ea7n<\/a><\/li>\n<li><a href=\"https:\/\/www.4spe.org\/\" target=\"_blank\" rel=\"nofollow noopener\">SPE \u2014 H\u01b0\u1edbng d\u1eabn Quy tr\u00ecnh B\u1ed9 ph\u1eadn \u0110\u00fac Ti\u00eam<\/a><\/li>\n<li><a href=\"https:\/\/www.npe.org\/\" target=\"_blank\" rel=\"nofollow noopener\">NPE \u2014 Tri\u1ec3n l\u00e3m Nh\u1ef1a, C\u00e1c b\u00e0i thuy\u1ebft tr\u00ecnh C\u00f4ng ngh\u1ec7 Overmolding<\/a><\/li>\n<li><a href=\"https:\/\/www.injectionmoldingmagazine.com\/\" target=\"_blank\" rel=\"nofollow noopener\">T\u1ea1p ch\u00ed \u0110\u00fac Ti\u00eam \u2014 C\u00e1c b\u00e0i vi\u1ebft Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/a><\/li>\n<li><a href=\"https:\/\/www.kraussmafei.com\/\" target=\"_blank\" rel=\"nofollow noopener\">KraussMaffei \u2014 H\u01b0\u1edbng d\u1eabn K\u1ef9 thu\u1eadt \u0110\u00fac Ti\u00eam \u0110a Th\u00e0nh ph\u1ea7n<\/a><\/li>\n<li><a href=\"https:\/\/www.engl.at\/en\/\" target=\"_blank\" rel=\"nofollow noopener\">ENGEL \u2014 T\u00e0i li\u1ec7u C\u00f4ng ngh\u1ec7 Quy tr\u00ecnh Overmolding<\/a><\/li>\n<li><a href=\"https:\/\/www.ptonline.com\/\" target=\"_blank\" rel=\"nofollow noopener\">Plastics Technology \u2014 Ph\u00e2n t\u00edch &amp; Gi\u1ea3i ph\u00e1p Khuy\u1ebft t\u1eadt Overmolding<\/a><\/li>\n<li><a href=\"https:\/\/www.astm.org\/\" target=\"_blank\" rel=\"nofollow noopener\">ASTM International \u2014 Ph\u01b0\u01a1ng ph\u00e1p Ki\u1ec3m tra Ti\u00eau chu\u1ea9n cho V\u1eadt li\u1ec7u Nh\u1ef1a v\u00e0 \u0110\u00fac<\/a><\/li>\n<\/ul>\n<p>Quy tr\u00ecnh kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 overmolding kh\u00f4ng c\u1ea7n d\u1ef1a tr\u00ean ph\u1ecfng \u0111o\u00e1n. H\u1ea7u h\u1ebft c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 b\u00e1m d\u00ednh k\u00e9m, flash, thi\u1ebfu \u0111\u1ea7y, v\u1ebft ch\u00e1y, v\u1ebft l\u00f5m, bi\u1ebfn d\u1ea1ng, v\u1ec7t, v\u00e0 nhi\u1ec5m b\u1ea9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c quy cho m\u1ed9t ho\u1eb7c nhi\u1ec1u nguy\u00ean nh\u00e2n sau: ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, c\u1ea3 \u1edf giai \u0111o\u1ea1n n\u00f3ng ch\u1ea3y v\u00e0 khu\u00f4n, c\u0169ng nh\u01b0 \u1edf giai \u0111o\u1ea1n b\u1ec1 m\u1eb7t n\u1ec1n; t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u v\u00e0 s\u1ea5y kh\u00f4; \u00e1p l\u1ef1c v\u00e0 h\u1ed3 s\u01a1 t\u1ed1c \u0111\u1ed9; t\u00ecnh tr\u1ea1ng d\u1ee5ng c\u1ee5. B\u1ea1n ch\u1ec9 c\u1ea7n l\u00e0m theo danh s\u00e1ch ki\u1ec3m tra trong h\u01b0\u1edbng d\u1eabn n\u00e0y v\u00e0 thay \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 t\u1eebng c\u00e1i m\u1ed9t \u0111\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p ch\u1ec9 trong v\u00e0i ph\u00fat thay v\u00ec v\u00e0i ng\u00e0y.<\/p>\n<p>Nguy\u00ean t\u1eafc quan tr\u1ecdng nh\u1ea5t c\u1ea7n nh\u1edb l\u00e0 tr\u01b0\u1edbc ti\u00ean ph\u1ea3i c\u1ed1 \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u00e0 chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t. Kho\u1ea3ng 70% t\u1ea5t c\u1ea3 c\u00e1c khuy\u1ebft t\u1eadt li\u00ean quan \u0111\u1ebfn overmolding b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch nhi\u1ec7t ho\u1eb7c nhi\u1ec5m b\u1ea9n t\u1ea1i v\u1ecb tr\u00ed li\u00ean k\u1ebft. N\u00f3i c\u00e1ch kh\u00e1c, n\u1ebfu b\u1ec1 m\u1eb7t n\u1ec1n s\u1ea1ch, \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng tr\u01b0\u1edbc, v\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y n\u1eb1m trong ph\u1ea1m vi quy \u0111\u1ecbnh, th\u00ec h\u1ea7u h\u1ebft c\u00e1c nguy\u00ean nh\u00e2n g\u00e2y khuy\u1ebft t\u1eadt s\u1ebd \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf tr\u01b0\u1edbc khi ch\u00fang d\u1eabn \u0111\u1ebfn vi\u1ec7c g\u00e2y l\u00e3ng ph\u00ed t\u1ed1n k\u00e9m.<\/p>","protected":false},"excerpt":{"rendered":"<p>You have started the overmolding process wherein applying a soft TPE grip on an ABS handle or even a silicone gasket over the PBT housing seems to go wrong straight away with the first product from the facility. Maybe it&#8217;s a situation when the overmold is popping off just like a sticker that comes off [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1392,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/comments?post=1391"}],"version-history":[{"count":3,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1391\/revisions"}],"predecessor-version":[{"id":1399,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1391\/revisions\/1399"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media\/1392"}],"wp:attachment":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media?parent=1391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/categories?post=1391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/tags?post=1391"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}