{"id":2845,"date":"2026-08-06T11:11:46","date_gmt":"2026-08-06T03:11:46","guid":{"rendered":"http:\/\/0"},"modified":"2026-08-04T17:51:58","modified_gmt":"2026-08-04T09:51:58","slug":"why-gas-assist-injection-molding-reduces-part-weight","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/vi\/blog\/why-gas-assist-injection-molding-reduces-part-weight\/","title":{"rendered":"T\u1ea1i sao \u0110\u00fac phun h\u1ed7 tr\u1ee3 kh\u00ed gi\u00fap gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng chi ti\u1ebft"},"content":{"rendered":"<article style=\"font-family: -apple-system, BlinkMacSystemFont, &#039;Segoe UI&#039;, Roboto, Helvetica, Arial, sans-serif;color: #333333;width: 100%\">\n<section style=\"margin-bottom: 30px\">\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u0110\u00fac c\u00e1c chi ti\u1ebft k\u1ebft c\u1ea5u th\u00e0nh d\u00e0y nh\u01b0 tay n\u1eafm, thanh v\u1ecbn v\u00e0 g\u00e2n v\u1ecf d\u00e0y \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c nghi\u00eam tr\u1ecdng v\u1ec1 ngo\u1ea1i quan v\u00e0 gia c\u00f4ng. C\u00e1c ph\u1ea7n nh\u1ef1a d\u00e0y \u0111\u1eb7c s\u1ebd ngu\u1ed9i kh\u00f4ng \u0111\u1ec1u v\u00e0 co ng\u00f3t \u0111\u00e1ng k\u1ec3, t\u1ea1o ra v\u1ebft l\u00f5m b\u1ec1 m\u1eb7t s\u00e2u, l\u1ed7 r\u1ed7ng b\u00ean trong v\u00e0 th\u1eddi gian chu k\u1ef3 k\u00e9o d\u00e0i. Vi\u1ec7c ch\u1ec9 \u0111\u1ecbnh <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/service\/gas-assisted-injection-molding\/\"><strong>\u0111\u00fac phun h\u1ed7 tr\u1ee3 kh\u00ed<\/strong><\/a> kh\u1eafc ph\u1ee5c nh\u1eefng gi\u1edbi h\u1ea1n v\u1eadt l\u00fd n\u00e0y b\u1eb1ng c\u00e1ch phun kh\u00ed nit\u01a1 \u00e1p su\u1ea5t cao tr\u1ef1c ti\u1ebfp v\u00e0o l\u00f5i polymer n\u00f3ng ch\u1ea3y. JUCHENG v\u1eadn h\u00e0nh c\u00e1c t\u1ebf b\u00e0o s\u1ea3n xu\u1ea5t h\u1ed7 tr\u1ee3 kh\u00ed chuy\u00ean d\u1ee5ng, ch\u1ebf t\u1ea1o ph\u1ea7n c\u1ee9ng k\u1ebft c\u1ea5u r\u1ed7ng ho\u00e0n to\u00e0n theo t\u1ec7p CAD c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2851\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/nitrogen-gas-assist-injection-unit.webp\" alt=\"nitrogen-gas-assist-injection-unit\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/nitrogen-gas-assist-injection-unit.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/nitrogen-gas-assist-injection-unit-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/nitrogen-gas-assist-injection-unit-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/nitrogen-gas-assist-injection-unit-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<\/section>\n<p><!-- Table of Contents --><\/p>\n<section style=\"background-color: #f8f9fa;border-left: 4px solid #0056b3;padding: 24px;border-radius: 6px;margin: 40px 0\">\n<h3 style=\"font-size: 22px;font-weight: bold;line-height: 1.5em;margin-top: 0;margin-bottom: 16px;color: #111111\">M\u1ee5c l\u1ee5c<\/h3>\n<ul style=\"list-style-type: none;padding-left: 0;margin: 0\">\n<li style=\"margin-bottom: 12px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#nitrogen-injection\">1. H\u1ec7 th\u1ed1ng phun kh\u00ed nit\u01a1 &amp; Lo\u1ea1i b\u1ecf v\u1ebft l\u00f5m<\/a><\/li>\n<li style=\"margin-bottom: 12px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#weight-reduction\">2. Gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng &amp; Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u r\u1ed7ng cho tay n\u1eafm v\u00e0 \u1ed1ng<\/a><\/li>\n<li style=\"margin-bottom: 0\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#gas-pressure-control\">3. Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t kh\u00ed b\u00ean trong &amp; T\u00ednh to\u00e0n v\u1eb9n k\u1ebft c\u1ea5u<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- Section 1 --><\/p>\n<section id=\"nitrogen-injection\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">H\u1ec7 th\u1ed1ng phun kh\u00ed nit\u01a1 &amp; Lo\u1ea1i b\u1ecf v\u1ebft l\u00f5m<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2848\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pin-nozzle-mold-core.webp\" alt=\"gas-pin-nozzle-mold-core\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pin-nozzle-mold-core.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pin-nozzle-mold-core-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pin-nozzle-mold-core-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pin-nozzle-mold-core-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Phun kh\u00ed nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0o d\u00f2ng nh\u1ef1a n\u00f3ng ch\u1ea3y \u00e9p nh\u1ef1a n\u00f3ng ch\u1ea3y v\u00e0o th\u00e0nh khoang t\u1eeb trong ra ngo\u00e0i. Th\u1ef1c hi\u1ec7n <strong>phun kh\u00ed nit\u01a1<\/strong> qua c\u00e1c ch\u1ed1t kh\u00ed chuy\u00ean d\u1ee5ng ho\u1eb7c v\u00f2i m\u00e1y \u00e9p l\u1edbp v\u1ecf polymer ch\u1eb7t v\u00e0o th\u00e9p khu\u00f4n \u0111\u00e3 l\u00e0m ngu\u1ed9i. \u00c1p su\u1ea5t kh\u00ed b\u00ean trong b\u00f9 \u0111\u1eafp s\u1ef1 co ng\u00f3t th\u1ec3 t\u00edch c\u1ee7a polymer li\u00ean t\u1ee5c trong su\u1ed1t giai \u0111o\u1ea1n l\u00e0m ngu\u1ed9i. \u00c1p d\u1ee5ng \u00e1p su\u1ea5t b\u00ean trong \u0111\u1ed3ng \u0111\u1ec1u lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n b\u00f3ng l\u00f5m b\u1ec1 m\u1eb7t tr\u00ean c\u00e1c g\u00e2n v\u00e0 tr\u1ee5 d\u00e0y. Ngo\u1ea1i quan b\u1ec1 m\u1eb7t v\u1eabn nguy\u00ean v\u1eb9n m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ee7 ngo\u1ea1i quan th\u1ee9 c\u1ea5p ho\u1eb7c thi\u1ebft k\u1ebf l\u1ea1i th\u00e0nh d\u00e0y.<\/p>\n<p><!-- Numbered List --><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 16px\">C\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd h\u1ed7 tr\u1ee3 kh\u00ed bao g\u1ed3m:<\/p>\n<ol style=\"font-size: 18px;line-height: 1.8em;margin-bottom: 24px;padding-left: 24px;list-style-type: decimal\">\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>\u0110\u1ecbnh l\u01b0\u1ee3ng nh\u1ef1a b\u1eafn ng\u1eafn<\/strong>\u2014Phun m\u1ed9t l\u01b0\u1ee3ng nh\u1ef1a n\u00f3ng ch\u1ea3y m\u1ed9t ph\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 chu\u1ea9n b\u1ecb khoang cho s\u1ef1 d\u1ecbch chuy\u1ec3n kh\u00ed.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>Ch\u1ed1t kh\u00ed xuy\u00ean qua<\/strong>\u2014B\u01a1m kh\u00ed nit\u01a1 \u00e1p su\u1ea5t cao v\u00e0o l\u00f5i t\u1ea1o ra m\u1ed9t k\u00eanh kh\u00ed r\u1ed7ng li\u00ean t\u1ee5c.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>\u00c1p su\u1ea5t \u0111\u00f3ng g\u00f3i b\u00ean trong<\/strong>\u2014Gi\u1eef \u00e1p su\u1ea5t nit\u01a1 \u1edf 10 \u0111\u1ebfn 30 MPa gi\u1eef l\u1edbp da polymer b\u00e1m ch\u1eb7t v\u00e0o th\u00e0nh khu\u00f4n.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>X\u1ea3 kh\u00ed v\u00e0 \u0111\u1ea9y chi ti\u1ebft ra<\/strong>\u2014X\u1ea3 \u00e1p su\u1ea5t nit\u01a1 b\u00ean trong tr\u1edf l\u1ea1i thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi m\u1edf khu\u00f4n cho ph\u00e9p \u0111\u1ea9y chi ti\u1ebft ra an to\u00e0n.<\/li>\n<\/ol>\n<\/section>\n<p><!-- Section 2 --><\/p>\n<section id=\"weight-reduction\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">Gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng &amp; thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u r\u1ed7ng cho tay c\u1ea7m v\u00e0 \u1ed1ng d\u1eabn<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2850\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/hollow-plastic-part-weight-comparison.webp\" alt=\"hollow-plastic-part-weight-comparison\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/hollow-plastic-part-weight-comparison.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/hollow-plastic-part-weight-comparison-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/hollow-plastic-part-weight-comparison-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/hollow-plastic-part-weight-comparison-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Vi\u1ec7c t\u1ea1o l\u00f5i r\u1ed7ng l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 tr\u1ecdng l\u01b0\u1ee3ng chi ti\u1ebft trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 c\u1ee9ng u\u1ed1n k\u1ebft c\u1ea5u. H\u00ecnh h\u1ecdc k\u1ebft c\u1ea5u r\u1ed7ng c\u1eaft gi\u1ea3m 20% \u0111\u1ebfn 40% l\u01b0\u1ee3ng v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng, mang l\u1ea1i ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi nh\u1ef1a k\u1ef9 thu\u1eadt \u0111\u1eaft ti\u1ec1n. C\u00e1c lo\u1ea1i nh\u1ef1a ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u1edbi h\u1ed7 tr\u1ee3 kh\u00ed bao g\u1ed3m <strong>polypropylene (PP)<\/strong>, <strong>ABS<\/strong>, <strong>polycarbonate (PC)<\/strong>, v\u00e0 nh\u1ef1a gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/polyamide-pa-nylon\/\"><strong>PA66-GF30<\/strong><\/a>. Vi\u1ec7c lo\u1ea1i b\u1ecf l\u00f5i nh\u1ef1a \u0111\u1eb7c l\u1edbn gi\u00fap t\u0103ng t\u1ed1c t\u1ea3n nhi\u1ec7t \u0111\u00e1ng k\u1ec3. Th\u1eddi gian l\u00e0m ngu\u1ed9i gi\u1ea3m t\u1edbi 50% \u0111\u1ed1i v\u1edbi tay c\u1ea7m c\u00f3 ti\u1ebft di\u1ec7n d\u00e0y, t\u0103ng n\u0103ng su\u1ea5t \u00e9p theo gi\u1edd.<\/p>\n<p><!-- Table 1: Resin Gas-Assist Process Table --><\/p>\n<div style=\"margin: 32px 0\">\n<table style=\"width: 100%;border-collapse: collapse;font-size: 16px;text-align: left;min-width: 600px\">\n<thead>\n<tr style=\"background-color: #f8f9fa;border-bottom: 2px solid #dee2e6\">\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Nh\u1ef1a polymer m\u1ee5c ti\u00eau<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">D\u1ea3i \u00e1p su\u1ea5t kh\u00ed (MPa)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng (%)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Ti\u1ebft ki\u1ec7m th\u1eddi gian l\u00e0m ngu\u1ed9i (%)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Chi ti\u1ebft h\u1ed7 tr\u1ee3 kh\u00ed ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">Polypropylene (PP)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">10 \u2013 20 MPa<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">25% \u2013 40%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">40% \u2013 50%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">Tay n\u1eafm \u00f4 t\u00f4 &amp; \u1ed1ng thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">ABS \/ H\u1ee3p Kim PC+ABS<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">15 \u2013 25 MPa<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">20% \u2013 35%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">35% \u2013 45%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">Tay n\u1eafm c\u1eeda \u00f4 t\u00f4 &amp; gi\u00e1 \u0111\u1ee1 g\u01b0\u01a1ng<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">PA66-GF30 (Gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">20 \u2013 30 MPa<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">15% \u2013 30%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">30% \u2013 40%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">B\u00e0n \u0111\u1ea1p k\u1ebft c\u1ea5u &amp; khung ch\u1ecbu t\u1ea3i n\u1eb7ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<p><!-- Section 3 --><\/p>\n<section id=\"gas-pressure-control\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t kh\u00ed n\u1ed9i b\u1ed9 &amp; t\u00ednh to\u00e0n v\u1eb9n k\u1ebft c\u1ea5u<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2849\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pressure-controller-display.webp\" alt=\"gas-pressure-controller-display\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pressure-controller-display.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pressure-controller-display-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pressure-controller-display-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/gas-pressure-controller-display-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Duy tr\u00ec ch\u00ednh x\u00e1c <strong>ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t kh\u00ed n\u1ed9i b\u1ed9<\/strong> ng\u0103n ng\u1eeba c\u00e1c khuy\u1ebft t\u1eadt k\u1ebft c\u1ea5u nh\u01b0 th\u1ed5i kh\u00ed xuy\u00ean qua ho\u1eb7c t\u1ea1o ng\u00f3n tay th\u00e0nh m\u1ecfng. Th\u1ed5i kh\u00ed xuy\u00ean qua x\u1ea3y ra n\u1ebfu nit\u01a1 xuy\u00ean qua m\u1eb7t tr\u01b0\u1edbc nh\u1ef1a n\u00f3ng ch\u1ea3y tr\u01b0\u1edbc khi l\u1edbp da \u0111\u1ea1t \u0111\u1ee7 \u0111\u1ed9 d\u00e0y. C\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf khu\u00f4n thi\u1ebft k\u1ebf c\u00e1c <strong>v\u00f2i phun ch\u1ed1t kh\u00ed<\/strong> chi\u1ebfn l\u01b0\u1ee3c t\u1ea1i c\u00e1c m\u1eb7t c\u1eaft d\u00e0y \u0111\u1ec3 d\u1eabn \u0111\u01b0\u1eddng d\u00f2ng kh\u00ed d\u1ecdc theo c\u00e1c k\u00eanh \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. \u0110\u1ed9 tr\u1ec5 th\u1eddi gian ch\u00ednh x\u00e1c gi\u1eefa phun nh\u1ef1a v\u00e0 \u0111\u01b0a kh\u00ed v\u00e0o \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y th\u00e0nh da polymer \u0111\u1ed3ng \u0111\u1ec1u. T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh duy tr\u00ec gi\u1edbi h\u1ea1n t\u1ea3i c\u01a1 h\u1ecdc trong khi mang l\u1ea1i b\u1ec1 m\u1eb7t ngo\u1ea1i quan kh\u00f4ng khuy\u1ebft t\u1eadt.<\/p>\n<\/section>\n<p><!-- FAQ Section --><\/p>\n<section id=\"faq\" style=\"margin-bottom: 40px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2846\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-measuring-plastic-rib-surface.webp\" alt=\"optical-measuring-plastic-rib-surface\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-measuring-plastic-rib-surface.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-measuring-plastic-rib-surface-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-measuring-plastic-rib-surface-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-measuring-plastic-rib-surface-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00fac h\u1ed7 tr\u1ee3 kh\u00ed lo\u1ea1i b\u1ecf v\u1ebft l\u00f5m trong c\u00e1c b\u1ed9 ph\u1eadn d\u00e0y?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u0110\u00fac h\u1ed7 tr\u1ee3 kh\u00ed b\u01a1m nit\u01a1 \u00e1p su\u1ea5t cao v\u00e0o t\u00e2m nh\u1ef1a n\u00f3ng ch\u1ea3y. \u00c1p su\u1ea5t kh\u00ed b\u00ean trong \u0111\u1ea9y nh\u1ef1a \u0111ang ngu\u1ed9i ra ngo\u00e0i \u00e1p v\u00e0o th\u00e0nh khu\u00f4n, li\u00ean t\u1ee5c b\u00f9 \u0111\u1eafp cho s\u1ef1 co ng\u00f3t th\u1ec3 t\u00edch v\u00e0 ng\u0103n ng\u1eeba v\u1ebft l\u00f5m b\u1ec1 m\u1eb7t.<\/p>\n<\/div>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac h\u1ed7 tr\u1ee3 kh\u00ed short-shot v\u00e0 full-shot l\u00e0 g\u00ec?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u0110\u00fac h\u1ed7 tr\u1ee3 kh\u00ed short-shot \u0111i\u1ec1n 70% \u0111\u1ebfn 90% khoang khu\u00f4n b\u1eb1ng nh\u1ef1a tr\u01b0\u1edbc khi kh\u00ed gi\u00e3n n\u1edf kh\u1ed1i nh\u1ef1a n\u00f3ng ch\u1ea3y \u0111\u1ec3 \u0111i\u1ec1n \u0111\u1ea7y khu\u00f4n, t\u1ea1o ra l\u00f5i r\u1ed7ng. \u0110\u00fac h\u1ed7 tr\u1ee3 kh\u00ed full-shot \u0111i\u1ec1n \u0111\u1ea7y khu\u00f4n ho\u00e0n to\u00e0n b\u1eb1ng nh\u1ef1a, ch\u1ec9 d\u00f9ng kh\u00ed \u0111\u1ec3 n\u00e9n ch\u1eb7t c\u00e1c g\u00e2n v\u00e0 tr\u1ee5 d\u00e0y m\u00e0 kh\u00f4ng t\u1ea1o ra c\u00e1c k\u00eanh r\u1ed7ng l\u1edbn.<\/p>\n<\/div>\n<div style=\"margin-bottom: 0\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">Lo\u1ea1i kh\u00ed n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u00fac phun h\u1ed7 tr\u1ee3 kh\u00ed?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Kh\u00ed nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao (98% \u0111\u1ebfn 99,9% \u0111\u1ed9 tinh khi\u1ebft) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00ec n\u00f3 tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc v\u00e0 kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi polyme n\u00f3ng ch\u1ea3y. Nit\u01a1 ng\u0103n ng\u1eeba oxy h\u00f3a, ch\u00e1y ho\u1eb7c ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc th\u00e0nh k\u00eanh r\u1ed7ng b\u00ean trong.<\/p>\n<\/div>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Molding thick-walled structural components like handles, grab bars, and thick enclosure ribs presents severe cosmetic and processing challenges. Solid thick plastic sections cool unevenly and contract substantially, creating deep surface sink marks, internal voids, and prolonged cycle times. Specifying gas assist injection molding overcomes these physical limits by injecting high-pressure nitrogen gas directly into the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2847,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2845","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\/2845","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=2845"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/2845\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/2847"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/categories?post=2845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/tags?post=2845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}