{"id":4293,"date":"2026-11-04T16:11:54","date_gmt":"2026-11-04T08:11:54","guid":{"rendered":"http:\/\/0"},"modified":"2026-11-04T15:17:20","modified_gmt":"2026-11-04T07:17:20","slug":"co-injection-defects-read-the-skin-core-pattern","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/vi\/blog\/co-injection-defects-read-the-skin-core-pattern\/","title":{"rendered":"C\u00e1c khuy\u1ebft t\u1eadt \u0111\u1ed3ng phun: \u0110\u1ecdc m\u1eabu v\u1ecf-l\u00f5i"},"content":{"rendered":"

Khuy\u1ebft t\u1eadt \u0111\u00fac \u0111\u1ed3ng phun d\u1ec5 ch\u1ea9n \u0111o\u00e1n h\u01a1n khi b\u1ea1n \u0111\u1ecdc b\u1ec1 m\u1eb7t nh\u01b0 b\u1eb1ng ch\u1ee9ng v\u1ec1 c\u00e1ch v\u1ecf v\u00e0 l\u00f5i di chuy\u1ec3n qua l\u00f2ng khu\u00f4n. L\u00f5i xuy\u00ean qua, l\u1edbp v\u1ecf ph\u1ee7 kh\u00f4ng \u0111\u1ec1u, ranh gi\u1edbi d\u00f2ng ch\u1ea3y nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c, thi\u1ebfu \u0111i\u1ec1n \u0111\u1ea7y ho\u1eb7c m\u00e0u kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t c\u00f3 th\u1ec3 ch\u1ec9 ra c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a tr\u00ecnh t\u1ef1 \u0111i\u1ec1n \u0111\u1ea7y. Ch\u1ec9 ri\u00eang tri\u1ec7u ch\u1ee9ng hi\u1ebfm khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n: thi\u1ebft k\u1ebf c\u1ed5ng, c\u1eb7p v\u1eadt li\u1ec7u, \u0111i\u1ec1u ki\u1ec7n n\u00f3ng ch\u1ea3y, th\u1eddi \u0111i\u1ec3m, tho\u00e1t kh\u00ed v\u00e0 h\u00ecnh h\u1ecdc c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n

Ghi l\u1ea1i v\u1ecb tr\u00ed khuy\u1ebft t\u1eadt xu\u1ea5t hi\u1ec7n v\u00e0 li\u1ec7u n\u00f3 c\u00f3 l\u1eb7p l\u1ea1i \u1edf c\u00f9ng v\u1ecb tr\u00ed kh\u00f4ng. So s\u00e1nh c\u00e1c chi ti\u1ebft t\u1eeb \u0111\u1ea7u, gi\u1eefa v\u00e0 cu\u1ed1i m\u1ed9t l\u00f4 ch\u1ea1y, sau \u0111\u00f3 li\u00ean h\u1ec7 m\u1eabu v\u1edbi h\u01b0\u1edbng d\u00f2ng ch\u1ea3y v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t ch\u1ee9c n\u0103ng c\u1ee7a chi ti\u1ebft. Th\u1ef1c hi\u1ec7n t\u1eebng thay \u0111\u1ed5i c\u00f3 ki\u1ec3m so\u00e1t m\u1ed9t l\u1ea7n v\u00e0 ki\u1ec3m tra r\u1eb1ng vi\u1ec7c ch\u1ec9nh s\u1eeda kh\u00f4ng t\u1ea1o ra khuy\u1ebft t\u1eadt m\u1edbi \u1edf n\u01a1i kh\u00e1c.<\/p>\n

Ch\u1ea9n \u0111o\u00e1n nhanh:<\/strong> l\u1eadp b\u1ea3n \u0111\u1ed3 khuy\u1ebft t\u1eadt, x\u00e1c \u0111\u1ecbnh xem n\u00f3 \u1ed5n \u0111\u1ecbnh hay gi\u00e1n \u0111o\u1ea1n, x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi v\u1ecf\/l\u00f5i v\u00e0 xem x\u00e9t tr\u00ecnh t\u1ef1 tr\u01b0\u1edbc khi thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t. Kh\u00f4ng coi m\u1ecdi giao di\u1ec7n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c l\u00e0 khuy\u1ebft t\u1eadt; vi\u1ec7c ch\u1ea5p nh\u1eadn ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n v\u1ebd v\u00e0 ti\u00eau ch\u00ed b\u1ec1 m\u1eb7t.<\/p>\n

Trong b\u00e0i vi\u1ebft n\u00e0y:<\/strong><\/p>\n

    \n
  1. L\u1eadp b\u1ea3n \u0111\u1ed3 khuy\u1ebft t\u1eadt tr\u01b0\u1edbc khi thay \u0111\u1ed5i quy tr\u00ecnh<\/a><\/li>\n
  2. L\u00f5i xuy\u00ean qua ho\u1eb7c l\u00f5i l\u1ed9 ra<\/a><\/li>\n
  3. V\u1ecf kh\u00f4ng \u0111\u1ec1u v\u00e0 giao di\u1ec7n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c<\/a><\/li>\n
  4. Thi\u1ebfu \u0111i\u1ec1n \u0111\u1ea7y, do d\u1ef1 v\u00e0 kh\u00ed b\u1ecb gi\u1eef l\u1ea1i<\/a><\/li>\n
  5. M\u00e0u kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 manh m\u1ed1i nhi\u1ec5m b\u1ea9n<\/a><\/li>\n
  6. M\u1ed9t tr\u00ecnh t\u1ef1 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u00f3 ki\u1ec3m so\u00e1t<\/a><\/li>\n
  7. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<\/ol>\n

    L\u1eadp b\u1ea3n \u0111\u1ed3 khuy\u1ebft t\u1eadt tr\u01b0\u1edbc khi thay \u0111\u1ed5i quy tr\u00ecnh<\/h2>\n

    Ghi l\u1ea1i v\u1ecb tr\u00ed khuy\u1ebft t\u1eadt tr\u00ean h\u00ecnh \u1ea3nh ho\u1eb7c b\u1ea3n v\u1ebd chi ti\u1ebft. Ghi ch\u00fa kho\u1ea3ng c\u00e1ch t\u1eeb c\u1ed5ng, h\u01b0\u1edbng d\u00f2ng ch\u1ea3y, c\u00e1c thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y g\u1ea7n \u0111\u00f3, g\u00e2n, l\u1ed7 v\u00e0 l\u1ed7 tho\u00e1t kh\u00ed. \u0110\u00e1nh d\u1ea5u xem n\u00f3 xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t hi\u1ec3n th\u1ecb, b\u1ec1 m\u1eb7t \u1ea9n hay giao di\u1ec7n ch\u1ee9c n\u0103ng. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c quan s\u00e1t c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c gi\u1eefa c\u00e1c l\u1ea7n b\u1eafn v\u00e0 ca l\u00e0m vi\u1ec7c thay v\u00ec d\u1ef1a v\u00e0o tr\u00ed nh\u1edb.<\/p>\n

    Ph\u00e2n bi\u1ec7t c\u00e1c m\u1eabu \u1ed5n \u0111\u1ecbnh v\u1edbi c\u00e1c m\u1eabu gi\u00e1n \u0111o\u1ea1n. Khuy\u1ebft t\u1eadt l\u1eb7p l\u1ea1i \u1edf m\u1ed9t v\u1ecb tr\u00ed c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn h\u00ecnh h\u1ecdc ho\u1eb7c c\u00e2n b\u1eb1ng d\u00f2ng ch\u1ea3y; khuy\u1ebft t\u1eadt di chuy\u1ec3n ho\u1eb7c xu\u1ea5t hi\u1ec7n l\u1ebb t\u1ebb c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u, tr\u00ecnh t\u1ef1 m\u00e1y ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n thay \u0111\u1ed5i. \u0110\u00e2y l\u00e0 c\u00e1c gi\u1ea3 thuy\u1ebft, kh\u00f4ng ph\u1ea3i ch\u1ea9n \u0111o\u00e1n.<\/p>\n

    Ghi l\u1ea1i c\u00f4ng th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 c\u00e1c thay \u0111\u1ed5i g\u1ea7n \u0111\u00e2y, bao g\u1ed3m l\u00f4 v\u1eadt li\u1ec7u, \u0111i\u1ec1u h\u00f2a n\u1ebfu c\u00f3 quy \u0111\u1ecbnh, ch\u1ea5t t\u1ea1o m\u00e0u, x\u1ea3 r\u1eeda, kh\u1edfi \u0111\u1ed9ng v\u00e0 b\u1ea3o tr\u00ec. X\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c chi ti\u1ebft \u0111\u01b0\u1ee3c so s\u00e1nh \u0111\u1ebfn t\u1eeb c\u00f9ng m\u1ed9t khu\u00f4n v\u00e0 thi\u1ebft l\u1eadp.<\/p>\n

    L\u00f5i xuy\u00ean qua ho\u1eb7c l\u00f5i l\u1ed9 ra<\/h2>\n

    N\u1ebfu l\u00f5i xu\u1ea5t hi\u1ec7n \u1edf n\u01a1i c\u1ea7n l\u1edbp v\u1ecf li\u00ean t\u1ee5c, h\u00e3y x\u00e1c \u0111\u1ecbnh xem vi\u1ec7c l\u1ed9 ra c\u00f3 l\u1eb7p l\u1ea1i \u1edf v\u1ecb tr\u00ed m\u1eb7t tr\u01b0\u1edbc d\u00f2ng ch\u1ea3y, m\u1ed9t ti\u1ebft di\u1ec7n m\u1ecfng c\u1ee5c b\u1ed9 hay kh\u00f4ng li\u00ean t\u1ee5c. Ki\u1ec3m tra \u0111\u01b0\u1eddng \u0111i t\u1eeb c\u1ed5ng \u0111\u1ebfn \u0111\u1eb7c \u0111i\u1ec3m, c\u00e1c chuy\u1ec3n ti\u1ebfp th\u00e0nh, th\u1eddi \u0111i\u1ec3m tr\u00ecnh t\u1ef1 v\u00e0 li\u1ec7u h\u00ecnh h\u1ecdc c\u00f3 t\u1ea1o ra l\u1ed9 tr\u00ecnh \u00edt c\u1ea3n tr\u1edf cho l\u00f5i kh\u00f4ng. Xem x\u00e9t chi ti\u1ebft v\u00e0 khu\u00f4n thay v\u00ec gi\u1ea3 \u0111\u1ecbnh m\u1ed9t c\u00e0i \u0111\u1eb7t m\u00e1y l\u00e0 nguy\u00ean nh\u00e2n.<\/p>\n

    X\u00e1c nh\u1eadn r\u1eb1ng v\u1eadt li\u1ec7u d\u1ef1 \u0111\u1ecbnh \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0 tr\u00ecnh t\u1ef1 \u1ed5n \u0111\u1ecbnh. Vi\u1ec7c thay \u0111\u1ed5i v\u1eadt li\u1ec7u ho\u1eb7c m\u00e0u c\u00f3 th\u1ec3 l\u00e0m cho m\u1ed9t giao di\u1ec7n tr\u01b0\u1edbc \u0111\u00e2y kh\u00f3 th\u1ea5y tr\u1edf n\u00ean r\u00f5 h\u01a1n. N\u1ebfu khuy\u1ebft t\u1eadt xu\u1ea5t hi\u1ec7n t\u1ea1i m\u1ed9t tr\u1ee5, giao \u0111i\u1ec3m g\u00e2n ho\u1eb7c chuy\u1ec3n ti\u1ebfp s\u1eafc n\u00e9t, h\u00e3y ki\u1ec3m tra gi\u1ea3 thuy\u1ebft v\u1ec1 h\u00ecnh h\u1ecdc ho\u1eb7c c\u1ed5ng song song v\u1edbi c\u00e1c ki\u1ec3m tra quy tr\u00ecnh; c\u1ea3 hai c\u00f3 th\u1ec3 khu\u1ebfch \u0111\u1ea1i l\u1eabn nhau.<\/p>\n

    Ki\u1ec3m tra nhi\u1ec1u h\u01a1n \u0111i\u1ec3m l\u1ed9 ra tr\u01b0\u1edbc khi ch\u1ea5p nh\u1eadn m\u1ed9t \u0111i\u1ec1u ch\u1ec9nh. M\u1ed9t thay \u0111\u1ed5i c\u1ea3i thi\u1ec7n m\u1ed9t b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 l\u00e0m d\u1ecbch chuy\u1ec3n giao di\u1ec7n ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1n \u0111\u1ea7y \u1edf n\u01a1i kh\u00e1c. Ghi l\u1ea1i v\u1ecb tr\u00ed, c\u00e1c l\u1ea7n b\u1eafn b\u1ecb \u1ea3nh h\u01b0\u1edfng v\u00e0 ranh gi\u1edbi cho \u0111\u1ed9 ph\u01a1i s\u00e1ng ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n

    \"Two<\/p>\n

    V\u1ecf kh\u00f4ng \u0111\u1ec1u v\u00e0 giao di\u1ec7n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c<\/h2>\n

    \u0110\u1ed9 d\u00e0y l\u1edbp da kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p. N\u1ebfu b\u1ec1 m\u1eb7t c\u00f3 v\u1ec7t, ranh gi\u1edbi ch\u1ea1y lang thang, ho\u1eb7c kh\u00e1c bi\u1ec7t c\u1ee5c b\u1ed9 v\u1ec1 \u0111\u1ed9 b\u00f3ng ho\u1eb7c k\u1ebft c\u1ea5u, h\u00e3y l\u1eadp b\u1ea3n \u0111\u1ed3 m\u1eabu theo chi\u1ec1u d\u00e0i d\u00f2ng ch\u1ea3y, \u0111\u1ed9 d\u00e0y th\u00e0nh, g\u00f3c c\u1ea1nh v\u00e0 c\u00e1c thay \u0111\u1ed5i ti\u1ebft di\u1ec7n. H\u00ecnh h\u1ecdc c\u00f3 th\u1ec3 khi\u1ebfn m\u1eb7t tr\u01b0\u1edbc d\u00f2ng ch\u1ea3y ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau gi\u1eefa c\u00e1c v\u00f9ng.<\/p>\n

    X\u00e1c nh\u1eadn nh\u1eefng thay \u0111\u1ed5i th\u1ecb gi\u00e1c n\u00e0o n\u1eb1m ngo\u00e0i quy c\u00e1ch. M\u1ed9t giao di\u1ec7n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 l\u00e0 d\u1ef1 ki\u1ebfn trong m\u1ed9t khu v\u1ef1c x\u00e1c \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c tr\u00ean b\u1ea3ng m\u1eb7t h\u01b0\u1edbng kh\u00e1ch h\u00e0ng. S\u1eed d\u1ee5ng m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 \u00e1nh s\u00e1ng, kho\u1ea3ng c\u00e1ch, g\u00f3c nh\u00ecn nh\u1ea5t qu\u00e1n \u0111\u1ec3 ng\u01b0\u1eddi ki\u1ec3m tra ph\u00e2n lo\u1ea1i chi ti\u1ebft m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n.<\/p>\n

    Xem x\u00e9t li\u1ec7u c\u00e1ch b\u1ed1 tr\u00ed c\u1ed5ng v\u00e0 tr\u00ecnh t\u1ef1 \u0111i\u1ec1n \u0111\u1ea7y c\u00f3 mang l\u1ea1i \u0111\u1ed9 ph\u1ee7 d\u1ef1 ki\u1ebfn tr\u01b0\u1edbc khi t\u1eadp trung v\u00e0o ho\u00e0n thi\u1ec7n hay kh\u00f4ng. X\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 che gi\u1ea5u m\u1ed9t tri\u1ec7u ch\u1ee9ng m\u00e0 kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c giao di\u1ec7n kh\u00f4ng \u1ed5n \u0111\u1ecbnh. \u0110\u1ec3 bi\u1ebft b\u1ed1i c\u1ea3nh l\u1ef1a ch\u1ecdn quy tr\u00ecnh, xem \u0111\u00fac hai l\u1ea7n so v\u1edbi \u0111\u00fac \u0111\u1ed3ng phun<\/a>; c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n

    Thi\u1ebfu \u0111i\u1ec1n \u0111\u1ea7y, do d\u1ef1 v\u00e0 kh\u00ed b\u1ecb gi\u1eef l\u1ea1i<\/h2>\n

    Truy v\u1ebft c\u00e1c l\u1ea7n thi\u1ebfu \u0111i\u1ec1n \u0111\u1ea7y v\u00e0 v\u1ebft do d\u1ef1 d\u1ecdc theo \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y. T\u00ecm c\u00e1c ti\u1ebft di\u1ec7n m\u1ecfng, h\u00e0nh tr\u00ecnh d\u00e0i, gi\u00e3n n\u1edf \u0111\u1ed9t ng\u1ed9t, c\u1ed5ng h\u1eb9p v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m chia t\u00e1ch r\u1ed3i h\u1ee3p nh\u1ea5t d\u00f2ng ch\u1ea3y. Ki\u1ec3m tra l\u1ed7 th\u00f4ng h\u01a1i v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n n\u01a1i kh\u00ed c\u00f3 th\u1ec3 t\u00edch t\u1ee5, nh\u01b0ng kh\u00f4ng gi\u1ea3 \u0111\u1ecbnh m\u1ecdi l\u1ea7n \u0111i\u1ec1n \u0111\u1ea7y kh\u00f4ng ho\u00e0n ch\u1ec9nh \u0111\u1ec1u l\u00e0 v\u1ea5n \u0111\u1ec1 th\u00f4ng h\u01a1i.<\/p>\n

    So s\u00e1nh tr\u00ecnh t\u1ef1 l\u1edbp da\/l\u00f5i v\u1edbi khu v\u1ef1c kh\u00f4ng ho\u00e0n ch\u1ec9nh. N\u1ebfu vi\u1ec7c \u0111i\u1ec1n \u0111\u1ea7y thay \u0111\u1ed5i sau m\u1ed9t l\u00f4, kh\u1edfi \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft l\u1eadp, h\u00e3y ghi l\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3. Ki\u1ec3m tra t\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u v\u00e0 c\u00f4ng th\u1ee9c so v\u1edbi quy c\u00e1ch \u0111\u00e3 ph\u00ea duy\u1ec7t tr\u01b0\u1edbc khi thay \u0111\u1ed5i \u0111i\u1ec3m \u0111\u1eb7t. Khi b\u1eb1ng ch\u1ee9ng ch\u1ec9 ra h\u00ecnh h\u1ecdc ho\u1eb7c h\u1ea1n ch\u1ebf c\u1ed5ng, \u0111\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n l\u00e0 ch\u1ec9 \u0111i\u1ec1u ch\u1ec9nh s\u1ea3n xu\u1ea5t.<\/p>\n

    Ki\u1ec3m tra c\u1ea3 hai m\u1eb7t v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m l\u00e2n c\u1eadn. Kh\u00ed b\u1ecb gi\u1eef l\u1ea1i c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i v\u1ebft ch\u00e1y ho\u1eb7c \u0111\u1ed5i m\u00e0u; do d\u1ef1 c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i m\u1ed9t \u0111\u01b0\u1eddng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. Nh\u1eefng manh m\u1ed1i n\u00e0y thu h\u1eb9p ph\u1ea1m vi \u0111i\u1ec1u tra, nh\u01b0ng c\u1ea7n c\u00f3 h\u1ed3 s\u01a1 quy tr\u00ecnh v\u00e0 th\u1eed nghi\u1ec7m ch\u1ee9c n\u0103ng \u0111\u1ec3 x\u00e1c nh\u1eadn nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c.<\/p>\n

    M\u00e0u kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 manh m\u1ed1i nhi\u1ec5m b\u1ea9n<\/h2>\n

    Bi\u1ebfn \u0111\u1ed5i m\u00e0u c\u00f3 th\u1ec3 do v\u1eadt li\u1ec7u, ch\u1ea5t t\u1ea1o m\u00e0u, x\u1ea3 r\u1eeda, tr\u1ed9n, ho\u1eb7c hi\u1ec7u \u1ee9ng th\u1ecb gi\u00e1c c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u l\u1edbp da v\u00e0 l\u00f5i kh\u00e1c nhau. X\u00e1c minh danh t\u00ednh v\u1eadt li\u1ec7u v\u00e0 ch\u1ea5t c\u00f4 \u0111\u1eb7c m\u00e0u, v\u00e0 xem x\u00e9t qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c l\u1ea7n ch\u1ea1y. X\u00e1c \u0111\u1ecbnh xem bi\u1ebfn \u0111\u1ed5i c\u00f3 theo d\u00f2ng ch\u1ea3y, xu\u1ea5t hi\u1ec7n khi kh\u1edfi \u0111\u1ed9ng, hay thay \u0111\u1ed5i theo t\u1eebng l\u1ea7n b\u1eafn.<\/p>\n

    Ph\u00e2n bi\u1ec7t s\u1ef1 d\u1ecbch chuy\u1ec3n m\u00e0u th\u1ef1c s\u1ef1 v\u1edbi kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 b\u00f3ng, k\u1ebft c\u1ea5u ho\u1eb7c \u0111\u1ed9 ph\u1ee7 l\u1edbp da. So s\u00e1nh v\u1edbi m\u1ed9t m\u1eabu tham chi\u1ebfu nh\u1ea5t qu\u00e1n d\u01b0\u1edbi \u00e1nh s\u00e1ng \u0111\u00e3 th\u1ed1ng nh\u1ea5t v\u00e0 ki\u1ec3m tra b\u1ec1 m\u1eb7t \u0111\u00fac thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o \u1ea3nh ch\u1ee5p b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i. Nh\u1eefng thay \u0111\u1ed5i c\u1ee5c b\u1ed9 n\u00ean \u0111\u01b0\u1ee3c l\u1eadp b\u1ea3n \u0111\u1ed3 theo c\u1ed5ng v\u00e0 d\u00f2ng ch\u1ea3y; nh\u1eefng thay \u0111\u1ed5i r\u1ed9ng ho\u1eb7c gi\u00e1n \u0111o\u1ea1n c\u1ea7n xem x\u00e9t l\u1ecbch s\u1eed v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft l\u1eadp.<\/p>\n

    Khi v\u1eadt li\u1ec7u kh\u00e1c nhau, x\u00e1c nh\u1eadn r\u1eb1ng vai tr\u00f2 v\u00e0 ti\u00eau ch\u00ed ngo\u1ea1i quan c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c ghi l\u1ea1i. Ch\u1ee7 \u0111\u1ec1 g\u1ed1c li\u00ean quan l\u00e0 \u0111\u00fac phun nh\u1ef1a<\/a>; \u0111\u00fac \u0111\u1ed3ng phun ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 m\u1ed9t s\u1ef1 s\u1eafp x\u1ebfp v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh x\u00e1c \u0111\u1ecbnh, kh\u00f4ng ph\u1ea3i hi\u1ec7u \u1ee9ng m\u00e0u chung chung.<\/p>\n

    M\u1ed9t tr\u00ecnh t\u1ef1 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u00f3 ki\u1ec3m so\u00e1t<\/h2>\n
      \n
    1. Ng\u0103n ch\u1eb7n v\u00e0 ph\u00e2n lo\u1ea1i.<\/strong> T\u00e1ch ri\u00eang c\u00e1c chi ti\u1ebft b\u1ecb \u1ea3nh h\u01b0\u1edfng, x\u00e1c \u0111\u1ecbnh lo\u1ea1i khuy\u1ebft t\u1eadt, v\u00e0 ghi l\u1ea1i v\u1ecb tr\u00ed v\u00e0 t\u1ea7n su\u1ea5t.<\/li>\n
    2. Thi\u1ebft l\u1eadp \u0111\u01b0\u1eddng c\u01a1 s\u1edf.<\/strong> Ghi l\u1ea1i c\u00f4ng th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, nh\u1eadn d\u1ea1ng v\u1eadt li\u1ec7u, tr\u1ea1ng th\u00e1i kh\u1edfi \u0111\u1ed9ng v\u00e0 c\u00e1c thay \u0111\u1ed5i g\u1ea7n \u0111\u00e2y v\u1ec1 d\u1ee5ng c\u1ee5 ho\u1eb7c m\u00e1y.<\/li>\n
    3. Li\u00ean k\u1ebft tri\u1ec7u ch\u1ee9ng v\u1edbi d\u00f2ng ch\u1ea3y.<\/strong> \u0110\u00e1nh d\u1ea5u c\u1ed5ng, h\u01b0\u1edbng d\u00f2ng ch\u1ea3y, giao di\u1ec7n, c\u00e1c thay \u0111\u1ed5i ti\u1ebft di\u1ec7n v\u00e0 l\u1ed7 th\u00f4ng h\u01a1i tr\u00ean b\u1ea3n v\u1ebd.<\/li>\n
    4. Ki\u1ec3m tra m\u1ed9t gi\u1ea3 thuy\u1ebft.<\/strong> Thay \u0111\u1ed5i m\u1ed9t bi\u1ebfn s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t ho\u1eb7c ki\u1ec3m tra m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf\/d\u1ee5ng c\u1ee5; gi\u1eef l\u1ea1i m\u1eabu tr\u01b0\u1edbc v\u00e0 sau.<\/li>\n
    5. X\u00e1c nh\u1eadn to\u00e0n b\u1ed9 chi ti\u1ebft.<\/strong> Ki\u1ec3m tra ngo\u1ea1i quan, k\u00edch th\u01b0\u1edbc, li\u00ean k\u1ebft ho\u1eb7c ch\u1ee9c n\u0103ng n\u1ebfu \u00e1p d\u1ee5ng, v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i.<\/li>\n<\/ol>\n

      \"Technician<\/p>\n

      Duy tr\u00ec nh\u1eadt k\u00fd l\u1ed7i v\u1edbi ng\u00e0y, l\u00f4 v\u1eadt li\u1ec7u, l\u00f2ng khu\u00f4n, v\u1ecb tr\u00ed, nguy\u00ean nh\u00e2n nghi ng\u1edd, thay \u0111\u1ed5i v\u00e0 k\u1ebft qu\u1ea3. \u0110i\u1ec1u n\u00e0y gi\u1ea3m vi\u1ec7c th\u1eed v\u00e0 sai l\u1eb7p l\u1ea1i v\u00e0 gi\u00fap t\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u1edfi \u0111\u1ed9ng v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 thi\u1ebft k\u1ebf ho\u1eb7c c\u1eeda s\u1ed5 quy tr\u00ecnh.<\/p>\n

      C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

      Ranh gi\u1edbi da-l\u00f5i nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c c\u00f3 lu\u00f4n l\u00e0 l\u1ed7i kh\u00f4ng?<\/h3>\n

      Kh\u00f4ng. \u0110\u00f3 ch\u1ec9 l\u00e0 l\u1ed7i khi vi ph\u1ea1m ti\u00eau ch\u00ed ngo\u1ea1i quan ho\u1eb7c ch\u1ee9c n\u0103ng \u0111\u00e3 th\u1ed1ng nh\u1ea5t. X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t.<\/p>\n

      T\u00f4i c\u00f3 n\u00ean t\u0103ng t\u1ed1c \u0111\u1ed9 phun \u0111\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng l\u00f5i xuy\u00ean qua kh\u00f4ng?<\/h3>\n

      Kh\u00f4ng n\u00ean l\u00e0m v\u1eady khi ch\u01b0a c\u00f3 b\u1eb1ng ch\u1ee9ng. K\u1ebft qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o d\u1ee5ng c\u1ee5, v\u1eadt li\u1ec7u, h\u00ecnh h\u1ecdc v\u00e0 tr\u00ecnh t\u1ef1. Ghi l\u1ea1i \u0111\u01b0\u1eddng c\u01a1 s\u1edf v\u00e0 ki\u1ec3m tra m\u1ed9t gi\u1ea3 thuy\u1ebft \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n

      C\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng thi\u1ebfu phun ch\u1ec9 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t quy tr\u00ecnh kh\u00f4ng?<\/h3>\n

      Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng v\u1eady. T\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u, c\u1ed5ng v\u00e0 \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y, l\u1ed7 th\u00f4ng h\u01a1i, h\u00ecnh h\u1ecdc v\u00e0 tr\u00ecnh t\u1ef1 \u0111\u1ec1u c\u00f3 th\u1ec3 quan tr\u1ecdng. Tr\u01b0\u1edbc ti\u00ean h\u00e3y ch\u1ea9n \u0111o\u00e1n v\u1ecb tr\u00ed v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i.<\/p>\n

      Th\u00f4ng tin n\u00e0o h\u1eefu \u00edch cho vi\u1ec7c \u0111\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt?<\/h3>\n

      Cung c\u1ea5p \u1ea3nh ch\u1ee5p khuy\u1ebft t\u1eadt v\u1edbi c\u00e1c v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u, nh\u1eadn d\u1ea1ng chi ti\u1ebft v\u00e0 d\u1ee5ng c\u1ee5, th\u00f4ng tin chi ti\u1ebft v\u1eadt li\u1ec7u, t\u1ea7n su\u1ea5t, h\u1ed3 s\u01a1 quy tr\u00ecnh v\u00e0 ti\u00eau ch\u00ed nghi\u1ec7m thu.<\/p>","protected":false},"excerpt":{"rendered":"

      Co-injection molding defects are easier to diagnose when you read the surface as evidence of how skin and core moved through the cavity. Core breakthrough, uneven skin coverage, a visible flow boundary, short fill, or inconsistent color can point to different parts of the filling sequence. The symptom alone rarely identifies the cause: gate design, […]<\/p>\n","protected":false},"author":1,"featured_media":4303,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/4293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/comments?post=4293"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/4293\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/4303"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=4293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/categories?post=4293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/tags?post=4293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}