{"id":4123,"date":"2026-10-26T14:14:39","date_gmt":"2026-10-26T06:14:39","guid":{"rendered":"http:\/\/0"},"modified":"2026-10-22T14:44:32","modified_gmt":"2026-10-22T06:44:32","slug":"cold-runners-where-the-scrap-comes-from","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/vi\/blog\/cold-runners-where-the-scrap-comes-from\/","title":{"rendered":"Cold Runners: Ngu\u1ed3n G\u1ed1c C\u1ee7a Ph\u1ebf Li\u1ec7u"},"content":{"rendered":"<p>Ch\u1ea5t th\u1ea3i v\u1eadt li\u1ec7u t\u1eeb k\u00eanh d\u1eabn ngu\u1ed9i ph\u00e1t sinh t\u1eeb polymer b\u1ecb \u0111\u00f4ng \u0111\u1eb7c trong cu\u1ed1ng phun v\u00e0 h\u1ec7 th\u1ed1ng k\u00eanh d\u1eabn thay v\u00ec tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a chi ti\u1ebft ho\u00e0n ch\u1ec9nh. M\u1ee9c \u0111\u1ed9 \u0111\u00e1ng k\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o th\u1ec3 t\u00edch k\u00eanh d\u1eabn so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng chi ti\u1ebft, k\u00edch th\u01b0\u1edbc l\u1ea7n phun, c\u00e1ch b\u1ed1 tr\u00ed, v\u00e0 vi\u1ec7c c\u00f3 cho ph\u00e9p s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nghi\u1ec1n l\u1ea1i hay kh\u00f4ng theo quy c\u00e1ch nh\u1ef1a v\u00e0 y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m. Tr\u01b0\u1edbc khi thay \u0111\u1ed5i kh\u00e1i ni\u1ec7m khu\u00f4n, h\u00e3y \u0111o d\u00f2ng ch\u1ea3y v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi k\u00eanh d\u1eabn sau khi \u0111\u1ea9y ra.<\/p>\n<nav class=\"table-of-contents\">\n<h2>Trong b\u00e0i vi\u1ebft n\u00e0y<\/h2>\n<ol>\n<li><a href=\"#map\">L\u1eadp b\u1ea3n \u0111\u1ed3 n\u01a1i v\u1eadt li\u1ec7u \u0111i qua<\/a><\/li>\n<li><a href=\"#ratio\">Hi\u1ec3u c\u00e2n b\u1eb1ng v\u1eadt li\u1ec7u gi\u1eefa k\u00eanh d\u1eabn v\u00e0 chi ti\u1ebft<\/a><\/li>\n<li><a href=\"#reuse\">Ki\u1ec3m tra xem c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p nghi\u1ec1n l\u1ea1i hay kh\u00f4ng<\/a><\/li>\n<li><a href=\"#options\">C\u00e1c c\u00e1ch gi\u1ea3m ch\u1ea5t th\u1ea3i k\u00eanh d\u1eabn c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c<\/a><\/li>\n<li><a href=\"#decision\">Khi n\u00e0o c\u1ea7n xem x\u00e9t m\u1ed9t kh\u00e1i ni\u1ec7m k\u00eanh d\u1eabn kh\u00e1c<\/a><\/li>\n<li><a href=\"#faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<\/ol>\n<\/nav>\n<h2 id=\"map\">L\u1eadp b\u1ea3n \u0111\u1ed3 n\u01a1i v\u1eadt li\u1ec7u \u0111i qua<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/10\/cold-runner-shot-components.webp\" alt=\"Shot components separated for weighing\" \/><\/p>\n<p>Ph\u00e2n t\u00e1ch l\u1ea7n phun th\u00e0nh c\u00e1c chi ti\u1ebft ho\u00e0n ch\u1ec9nh, cu\u1ed1ng phun, k\u00eanh d\u1eabn, v\u1eadt li\u1ec7u x\u1ea3 v\u00e0 chi ti\u1ebft b\u1ecb lo\u1ea1i. B\u1ea3n \u0111\u1ed3 v\u1eadt li\u1ec7u \u0111\u01a1n gi\u1ea3n n\u00e0y gi\u00fap nh\u00f3m kh\u00f4ng g\u1ecdi m\u1ecdi ph\u1ea7n kh\u00f4ng ph\u1ea3i chi ti\u1ebft l\u00e0 \u201cch\u1ea5t th\u1ea3i k\u00eanh d\u1eabn\u201d khi m\u1ed9t s\u1ed1 t\u1ed5n th\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb kh\u1edfi \u0111\u1ed9ng, chuy\u1ec3n \u0111\u1ed5i m\u00e0u, ho\u1eb7c qu\u00e1 tr\u00ecnh kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>S\u1eed d\u1ee5ng h\u1ed3 s\u01a1 l\u1ea7n phun v\u00e0 chi ti\u1ebft th\u1ef1c t\u1ebf khi c\u00f3 s\u1eb5n. M\u1ed9t k\u00eanh d\u1eabn tr\u00f4ng nh\u1ecf b\u00ean c\u1ea1nh khu\u00f4n c\u00f3 th\u1ec3 chi\u1ebfm m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a l\u1ea7n phun \u0111\u1ed1i v\u1edbi m\u1ed9t chi ti\u1ebft nh\u1ecf g\u1ecdn; m\u1ed9t chi ti\u1ebft l\u1edbn h\u01a1n c\u00f3 th\u1ec3 l\u00e0m cho c\u00f9ng h\u00ecnh h\u1ecdc k\u00eanh d\u1eabn \u0111\u00f3 \u00edt \u0111\u00e1ng k\u1ec3 h\u01a1n. Tr\u00e1nh \u01b0\u1edbc t\u00ednh t\u00e1c \u0111\u1ed9ng ch\u1ec9 t\u1eeb m\u1ed9t b\u1ee9c \u1ea3nh.<\/p>\n<h2 id=\"ratio\">Hi\u1ec3u c\u00e2n b\u1eb1ng v\u1eadt li\u1ec7u gi\u1eefa k\u00eanh d\u1eabn v\u00e0 chi ti\u1ebft<\/h2>\n<p>Th\u1ec3 t\u00edch k\u00eanh d\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng v\u00e0 v\u1ecb tr\u00ed c\u00e1c l\u00f2ng khu\u00f4n, chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y, ti\u1ebft di\u1ec7n, chi\u1ebfn l\u01b0\u1ee3c c\u1ed5ng phun, v\u00e0 nhu c\u1ea7u \u0111i\u1ec1n \u0111\u1ea7y chi ti\u1ebft m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. Thi\u1ebft k\u1ebf ph\u1ea3i cung c\u1ea5p \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y ph\u00f9 h\u1ee3p, kh\u00f4ng ph\u1ea3i gi\u1ea3m thi\u1ec3u th\u1ec3 t\u00edch k\u00eanh d\u1eabn b\u1eb1ng m\u1ecdi gi\u00e1. M\u1ed9t k\u00eanh d\u1eabn qu\u00e1 nh\u1ecf ho\u1eb7c b\u1ed1 tr\u00ed k\u00e9m c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhu c\u1ea7u \u00e1p su\u1ea5t ho\u1eb7c t\u1ea1o ra s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n khi \u0111i\u1ec1n \u0111\u1ea7y v\u00e0 ph\u1ebf li\u1ec7u \u1edf n\u01a1i kh\u00e1c.<\/p>\n<p>So s\u00e1nh c\u00e1c b\u1ed1 tr\u00ed \u1ee9ng vi\u00ean v\u1edbi h\u00ecnh h\u1ecdc chi ti\u1ebft v\u00e0 v\u1eadt li\u1ec7u. Xem x\u00e9t li\u1ec7u k\u00eanh d\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn ho\u1eb7c \u0111\u01a1n gi\u1ea3n h\u00f3a m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e2n b\u1eb1ng, v\u1ecb tr\u00ed c\u1ed5ng phun, tho\u00e1t kh\u00ed, ho\u1eb7c \u0111\u1ed9 b\u1ec1n c\u1ee7a khu\u00f4n hay kh\u00f4ng. \u0110\u1ed1i v\u1edbi khu\u00f4n nhi\u1ec1u l\u00f2ng khu\u00f4n, m\u1ed7i l\u00f2ng khu\u00f4n ph\u1ea3i v\u1eabn \u0111\u01b0\u1ee3c c\u1ea5p v\u1eadt li\u1ec7u \u0111\u1ea7y \u0111\u1ee7; m\u1ed9t thay \u0111\u1ed5i ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u t\u1ea1o ra khuy\u1ebft t\u1eadt ri\u00eang cho t\u1eebng l\u00f2ng khu\u00f4n kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ea3i ti\u1ebfn th\u1ef1c s\u1ef1.<\/p>\n<h2 id=\"reuse\">Ki\u1ec3m tra xem c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p nghi\u1ec1n l\u1ea1i hay kh\u00f4ng<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/10\/approved-runner-regrind-control.webp\" alt=\"Segregated runner material awaits approval\" \/><\/p>\n<p>V\u1eadt li\u1ec7u k\u00eanh d\u1eabn \u0111\u00f4i khi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu h\u1ed3i v\u00e0 t\u00e1i ch\u1ebf, nh\u01b0ng quy\u1ebft \u0111\u1ecbnh \u0111\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 cung c\u1ea5p nh\u1ef1a, quy c\u00e1ch kh\u00e1ch h\u00e0ng, \u1ee9ng d\u1ee5ng, r\u1ee7i ro nhi\u1ec5m b\u1ea9n, v\u00e0 h\u1ec7 th\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng. V\u1eadt li\u1ec7u nghi\u1ec1n l\u1ea1i kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi nh\u1ef1a nguy\u00ean sinh, v\u00e0 l\u01b0\u1ee3ng cho ph\u00e9p\u2014n\u1ebfu c\u00f3\u2014ph\u1ea3i \u0111\u01b0\u1ee3c ghi nh\u1eadn v\u00e0 ph\u00ea duy\u1ec7t cho chi ti\u1ebft.<\/p>\n<p>Tr\u01b0\u1edbc khi t\u00ednh v\u1eadt li\u1ec7u nghi\u1ec1n l\u1ea1i l\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed, h\u00e3y x\u00e1c nh\u1eadn c\u00e1c th\u1ef1c h\u00e0nh thu gom v\u00e0 ph\u00e2n lo\u1ea1i, nh\u1eadn d\u1ea1ng v\u1eadt li\u1ec7u, \u0111\u1ed9 s\u1ea1ch, ki\u1ec3m so\u00e1t ph\u1ed1i tr\u1ed9n, v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c. C\u00e1c m\u00e0u ho\u1eb7c c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn m\u1ed9t c\u00e1ch t\u00f9y ti\u1ec7n. N\u1ebfu s\u1ea3n ph\u1ea9m c\u00f3 y\u00eau c\u1ea7u v\u1ec1 ngo\u1ea1i quan, c\u01a1 t\u00ednh, quy \u0111\u1ecbnh, ho\u1eb7c y\u00eau c\u1ea7u ri\u00eang c\u1ee7a kh\u00e1ch h\u00e0ng, h\u00e3y l\u1ea5y ph\u00ea duy\u1ec7t li\u00ean quan tr\u01b0\u1edbc khi \u0111\u01b0a v\u1eadt li\u1ec7u k\u00eanh d\u1eabn tr\u1edf l\u1ea1i s\u1ea3n xu\u1ea5t.<\/p>\n<h2 id=\"options\">C\u00e1c c\u00e1ch gi\u1ea3m ch\u1ea5t th\u1ea3i k\u00eanh d\u1eabn c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c<\/h2>\n<ol>\n<li><strong>Xem x\u00e9t c\u00e1ch b\u1ed1 tr\u00ed:<\/strong> t\u00ecm c\u00e1c \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y v\u00e0 ti\u1ebft di\u1ec7n k\u00eanh d\u1eabn d\u00e0i kh\u00f4ng c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n trong khi v\u1eabn duy tr\u00ec vi\u1ec7c \u0111i\u1ec1n \u0111\u1ea7y \u0111\u00e1ng tin c\u1eady.<\/li>\n<li><strong>Xem x\u00e9t l\u1ea1i v\u1ecb tr\u00ed c\u1ed5ng:<\/strong> \u0111\u00e1nh gi\u00e1 xem vi\u1ec7c di chuy\u1ec3n c\u1ed5ng c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a r\u00e3nh d\u1eabn m\u00e0 kh\u00f4ng t\u1ea1o ra \u0111\u01b0\u1eddng h\u00e0n, v\u1ebft ngo\u1ea1i quan ho\u1eb7c r\u1ee7i ro \u0111i\u1ec1n \u0111\u1ea7y kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn hay kh\u00f4ng.<\/li>\n<li><strong>\u1ed4n \u0111\u1ecbnh kh\u1edfi \u0111\u1ed9ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i:<\/strong> ghi nh\u1eadn ri\u00eang v\u1eadt li\u1ec7u x\u1ea3 v\u00e0 v\u1eadt li\u1ec7u lo\u1ea1i b\u1ecf \u0111\u1ec3 l\u00e0m r\u00f5 c\u00e1c t\u1ed5n th\u1ea5t kh\u00f4ng do h\u00ecnh h\u1ecdc r\u00e3nh d\u1eabn g\u00e2y ra.<\/li>\n<li><strong>C\u1ea3i thi\u1ec7n x\u1eed l\u00fd:<\/strong> gi\u1eef m\u1ecdi v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 thu h\u1ed3i \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u1edf tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c nh\u1eadn di\u1ec7n v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec5m b\u1ea9n.<\/li>\n<li><strong>So s\u00e1nh c\u00e1c ph\u01b0\u01a1ng \u00e1n khu\u00f4n:<\/strong> bao g\u1ed3m d\u1ee5ng c\u1ee5, ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, b\u1ea3o tr\u00ec v\u00e0 th\u1ea9m \u0111\u1ecbnh\u2014kh\u00f4ng ch\u1ec9 l\u01b0\u1ee3ng v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng m\u1ed7i l\u1ea7n \u00e9p.<\/li>\n<\/ol>\n<p>M\u1ed7i thay \u0111\u1ed5i c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn d\u1ef1a tr\u00ean y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a chi ti\u1ebft. R\u00e3nh d\u1eabn ng\u1eafn h\u01a1n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1n \u0111\u1ea7y ho\u1eb7c v\u1ecb tr\u00ed c\u1ed5ng; vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u t\u1ed1t h\u01a1n ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb n\u1ebfu v\u1eabn ti\u1ebfp t\u1ee5c s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c c\u00e1c chi ti\u1ebft \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n<h2 id=\"decision\">Khi n\u00e0o c\u1ea7n xem x\u00e9t m\u1ed9t kh\u00e1i ni\u1ec7m k\u00eanh d\u1eabn kh\u00e1c<\/h2>\n<p>N\u1ebfu r\u00e3nh d\u1eabn chi\u1ebfm m\u1ed9t t\u1ef7 l\u1ec7 \u0111\u00e1ng k\u1ec3 v\u00e0 l\u1eb7p l\u1ea1i trong l\u01b0\u1ee3ng v\u1eadt li\u1ec7u, h\u00e3y th\u1ea3o lu\u1eadn xem m\u1ed9t ph\u01b0\u01a1ng \u00e1n r\u00e3nh d\u1eabn thay th\u1ebf c\u00f3 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt hay kh\u00f4ng. Quy\u1ebft \u0111\u1ecbnh ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ea3n l\u01b0\u1ee3ng, \u0111\u1ed9 nh\u1ea1y c\u1ee7a nh\u1ef1a, thay \u0111\u1ed5i m\u00e0u, y\u00eau c\u1ea7u c\u1ed5ng, ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh, n\u0103ng l\u1ef1c b\u1ea3o tr\u00ec v\u00e0 \u0111\u1ea7u t\u01b0 d\u1ee5ng c\u1ee5. H\u1ec7 th\u1ed1ng r\u00e3nh n\u00f3ng c\u00f3 th\u1ec3 gi\u1ea3m v\u1eadt li\u1ec7u r\u00e3nh d\u1eabn \u0111\u00f4ng \u0111\u1eb7c nh\u01b0ng k\u00e9o theo c\u00e1c y\u1ebfu t\u1ed1 ri\u00eang v\u1ec1 ph\u1ea7n c\u1ee9ng, \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u1ea3o tr\u00ec; n\u00f3 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng l\u00e0 ph\u01b0\u01a1ng \u00e1n c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n.<\/p>\n<p>\u0110\u1ec3 c\u00f3 t\u1ed5ng quan v\u1ec1 d\u1ee5ng c\u1ee5 r\u00e3nh ngu\u1ed9i, xem <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/service\/cold-runner-injection-mold-manufacturing\/\">thi\u1ebft k\u1ebf khu\u00f4n r\u00e3nh ngu\u1ed9i<\/a>. So s\u00e1nh to\u00e0n b\u1ed9 tuy\u1ebfn s\u1ea3n xu\u1ea5t b\u1eb1ng d\u1eef li\u1ec7u v\u1eadt li\u1ec7u \u0111o \u0111\u01b0\u1ee3c v\u00e0 y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn thay v\u00ec gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng m\u1ed9t h\u1ec7 th\u1ed1ng lu\u00f4n t\u1ea1o ra \u00edt ch\u1ea5t th\u1ea3i h\u01a1n.<\/p>\n<h2 id=\"faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>C\u00f3 th\u1ec3 nghi\u1ec1n l\u1ea1i to\u00e0n b\u1ed9 v\u1eadt li\u1ec7u r\u00e3nh ngu\u1ed9i kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. Vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o h\u01b0\u1edbng d\u1eabn v\u1ec1 nh\u1ef1a, y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 s\u1ea3n ph\u1ea9m, ki\u1ec3m so\u00e1t nhi\u1ec5m b\u1ea9n v\u00e0 ph\u00ea duy\u1ec7t. Kh\u00f4ng \u0111\u01b0\u1ee3c coi v\u1eadt li\u1ec7u nghi\u1ec1n l\u1ea1i l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c n\u1ebfu kh\u00f4ng c\u00f3 c\u01a1 s\u1edf \u0111\u01b0\u1ee3c ghi nh\u1eadn.<\/p>\n<h3>C\u00f3 ph\u1ea3i k\u00eanh d\u1eabn nh\u1ecf h\u01a1n lu\u00f4n l\u00e0m gi\u1ea3m t\u1ed5ng chi ph\u00ed?<\/h3>\n<p>Kh\u00f4ng. K\u00eanh d\u1eabn v\u1eabn ph\u1ea3i \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng \u0111i\u1ec1n \u0111\u1ea7y \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e2n b\u1eb1ng l\u00f2ng khu\u00f4n. N\u1ebfu thi\u1ebft k\u1ebf nh\u1ecf h\u01a1n l\u00e0m t\u0103ng khuy\u1ebft t\u1eadt ho\u1eb7c g\u00e2y m\u1ea5t \u1ed5n \u0111\u1ecbnh qu\u00e1 tr\u00ecnh, l\u01b0\u1ee3ng v\u1eadt li\u1ec7u ti\u1ebft ki\u1ec7m b\u1ec1 ngo\u00e0i c\u00f3 th\u1ec3 b\u1ecb b\u00f9 tr\u1eeb b\u1edfi ph\u1ebf ph\u1ea9m v\u00e0 th\u1eddi gian d\u1eebng m\u00e1y.<\/p>\n<h3>K\u00eanh d\u1eabn n\u00f3ng c\u00f3 lu\u00f4n t\u1ed1t h\u01a1n v\u1ec1 hi\u1ec7u qu\u1ea3 v\u1eadt li\u1ec7u kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i trong m\u1ecdi ch\u01b0\u01a1ng tr\u00ecnh. N\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m v\u1eadt li\u1ec7u k\u00eanh d\u1eabn b\u1ecb \u0111\u00f4ng \u0111\u1eb7c nh\u01b0ng l\u1ea1i thay \u0111\u1ed5i c\u00e1c y\u1ebfu t\u1ed1 v\u1ec1 d\u1ee5ng c\u1ee5, \u0111i\u1ec1u khi\u1ec3n, b\u1ea3o tr\u00ec v\u00e0 chuy\u1ec3n \u0111\u1ed5i. H\u00e3y so s\u00e1nh c\u00e1c y\u1ebfu t\u1ed1 \u0111\u00f3 v\u1edbi d\u1eef li\u1ec7u chu k\u1ef3 \u00e9p th\u1ef1c t\u1ebf v\u00e0 y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cold-runner material waste comes from polymer that solidifies in the sprue and runner system instead of becoming part of the finished component. How significant that material is depends on runner volume relative to part mass, shot size, layout, and whether any regrind is allowed by the resin specification and product requirements. Before changing the mold [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4123","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\/4123","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=4123"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/4123\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/4161"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=4123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/categories?post=4123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/tags?post=4123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}