{"id":992,"date":"2026-07-21T02:20:31","date_gmt":"2026-07-21T02:20:31","guid":{"rendered":"https:\/\/samgomold.com\/?p=992"},"modified":"2026-07-21T03:17:21","modified_gmt":"2026-07-21T03:17:21","slug":"plastic-injection-molding-gate-types-selection-design-principles-advantages-and-applications","status":"publish","type":"post","link":"https:\/\/samgomold.com\/de\/plastic-injection-molding-gate-types-selection-design-principles-advantages-and-applications\/","title":{"rendered":"Plastic Injection Molding Gate Types: Selection, Design Principles, Advantages, and Applications"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"992\" class=\"elementor elementor-992\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-543da0a e-flex e-con-boxed e-con e-parent\" data-id=\"543da0a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ca487ee e-con-full e-flex e-con e-child\" data-id=\"ca487ee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<h2 data-interaction-id=\"6dcd216\" class=\"e-6dcd216-f073a4e e-heading-base\" data-e-type=\"widget\" data-id=\"6dcd216\">Plastic Injection Molding Gate Types: Selection, Design Principles, Advantages, and Applications<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-087892b elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"087892b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h1&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-circle\\&quot; viewBox=\\&quot;0 0 512 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__087892b\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__087892b\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__087892b\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf0131c elementor-widget elementor-widget-text-editor\" data-id=\"cf0131c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h1 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"12q1sue\" data-start=\"485\" data-end=\"499\">Introduction<\/h1><p class=\"\" data-start=\"501\" data-end=\"800\">Gate design is one of the most critical aspects of plastic injection mold engineering. Although the gate is usually the smallest feature in the runner system, it has a significant influence on melt flow, packing pressure, cooling efficiency, part appearance, cycle time, and overall product quality.<\/p><p data-start=\"802\" data-end=\"1121\">A poorly designed gate can cause numerous molding defects, including short shots, sink marks, weld lines, jetting, burn marks, excessive gate vestige, and part warpage. Conversely, selecting the appropriate gate type and location helps ensure balanced filling, consistent dimensional accuracy, and efficient production.<\/p><p data-start=\"1123\" data-end=\"1445\">Modern injection molds offer a wide variety of gate designs to accommodate different materials, product geometries, cosmetic requirements, and production volumes. From simple edge gates used in cold runner molds to sophisticated valve gate systems in hot runner molds, each gate type serves a specific engineering purpose.<\/p><p data-start=\"1447\" data-end=\"1693\">At Samgo, gate selection is never based on experience alone. Our engineers combine DFM analysis, Moldflow simulation, material characteristics, and customer requirements to determine the most suitable gate design before mold manufacturing begins.<\/p><p data-start=\"1695\" data-end=\"1938\">This guide introduces the most common injection molding gate types, explains their advantages and limitations, compares hot runner and cold runner systems, and provides practical recommendations for selecting the optimal gate for your project.<\/p><hr data-start=\"1940\" data-end=\"1943\" \/><h1 data-section-id=\"12tkeg6\" data-start=\"1945\" data-end=\"1973\">What Is an Injection Gate?<\/h1><p data-start=\"1975\" data-end=\"2174\">An injection gate is the small opening that connects the runner system to the mold cavity. It is the final passage through which molten plastic enters the cavity during the injection molding process.<\/p><p data-start=\"2176\" data-end=\"2246\">Although small in size, the gate performs several essential functions:<\/p><ul data-start=\"2248\" data-end=\"2462\"><li data-section-id=\"1lxki3\" data-start=\"2248\" data-end=\"2284\">Controls melt flow into the cavity<\/li><li data-section-id=\"hhfboy\" data-start=\"2285\" data-end=\"2328\">Maintains packing pressure during holding<\/li><li data-section-id=\"ftvhbe\" data-start=\"2329\" data-end=\"2354\">Regulates filling speed<\/li><li data-section-id=\"v5kk19\" data-start=\"2355\" data-end=\"2384\">Influences cooling behavior<\/li><li data-section-id=\"1b0ekk5\" data-start=\"2385\" data-end=\"2425\">Determines gate vestige after trimming<\/li><li data-section-id=\"1xdyzf6\" data-start=\"2426\" data-end=\"2462\">Affects overall product appearance<\/li><\/ul><p data-start=\"2464\" data-end=\"2526\">A typical cold runner system consists of four main components.<\/p><h2 data-section-id=\"1k5k54c\" data-start=\"2528\" data-end=\"2555\">Runner System Components<\/h2><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 316px;\" width=\"1241\" data-start=\"2557\" data-end=\"2853\"><thead data-start=\"2557\" data-end=\"2581\"><tr data-start=\"2557\" data-end=\"2581\"><th class=\"last:pe-10\" data-start=\"2557\" data-end=\"2569\" data-col-size=\"sm\">Component<\/th><th class=\"last:pe-10\" data-start=\"2569\" data-end=\"2581\" data-col-size=\"md\">Function<\/th><\/tr><\/thead><tbody data-start=\"2607\" data-end=\"2853\"><tr data-start=\"2607\" data-end=\"2681\"><td data-start=\"2607\" data-end=\"2615\" data-col-size=\"sm\">Sprue<\/td><td data-start=\"2615\" data-end=\"2681\" data-col-size=\"md\">Transfers molten plastic from the machine nozzle into the mold<\/td><\/tr><tr data-start=\"2682\" data-end=\"2745\"><td data-start=\"2682\" data-end=\"2691\" data-col-size=\"sm\">Runner<\/td><td data-start=\"2691\" data-end=\"2745\" data-col-size=\"md\">Distributes molten plastic to one or more cavities<\/td><\/tr><tr data-start=\"2746\" data-end=\"2808\"><td data-start=\"2746\" data-end=\"2753\" data-col-size=\"sm\">Gate<\/td><td data-start=\"2753\" data-end=\"2808\" data-col-size=\"md\">Controls the flow of molten plastic into the cavity<\/td><\/tr><tr data-start=\"2809\" data-end=\"2853\"><td data-start=\"2809\" data-end=\"2818\" data-col-size=\"sm\">Cavity<\/td><td data-start=\"2818\" data-end=\"2853\" data-col-size=\"md\">Forms the final plastic product<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"2855\" data-end=\"2984\">The size, shape, and position of the gate directly influence flow balance, pressure loss, shrinkage distribution, and cycle time.<\/p><h2 data-section-id=\"1aylhqt\" data-start=\"2991\" data-end=\"3021\">\u00a0<\/h2><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img fetchpriority=\"high\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/kwQZxXcJ5kLCSl7SqAvTfGBuonM47JHEhP_IlVsATIdpByIJ2M9Ym3i2BPAypWMRaqd-gDsFM2zfopIaxrr64rG_F6uM16Rh9IiTg3TPn40KfyAMJmOrqm2ttDvcLZkCOn5mBI2xQV3LQPaY5O1cE393LrEc36PpXqu3ufrCltk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/RInRJEqFKZq9GwOLC1WpxlMrcZv3kv7SyuUwgc5e6m_8qxXl4Zc0wSvZNKI8LoUR3ftfoOZcTNDGrOPhqZ9zgqGxFaZbNw5xgj3Toa3KZjXpBKJysO6s8OmO5IhAZKM_70CCr61tirH5IgTINQeijlcCTtKmXjGsYIAbUvYByMH_YqZu38MiICpv6bg9nMKM?purpose=fullsize\" width=\"585\" height=\"360\" \/><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/HxHxhiRw3hnuhdv0SzLA7Rtdmy8jFhri8xY4M7SFzlTi11G5Csmqs12S16Iv5mqWFsgo0EKoqE7d_NUjWZbRcrn5d_Z4bM1d7H0z7AAh4iaFQDgXmjEMJxmtjeoJOEoQZAaOwJpfTPRhsRHAv9YFT8qpXEiuiTDHLYMUPZwbgPs?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/KjknkiujtP8nhFc_eZFMecbmkazRjjEaf66yehqgJZE-G_DoQDAC_8TVgrSmfpZIVN2ru3Isqo-_YGWNRSRTqgAdgWw__xRXyH9DRLAH1LVgQzTUnJyk85OETv4uaRzQv6IKG1c-5CMlmQHaQLmkJXBalnzGZe4I9uI2ZY6Ae17hh0jjRp5Hi9yWU1bNXxi5?purpose=fullsize\" width=\"432\" height=\"365\" \/><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/HeFzj4HsDUg7rjBljOOObK7ZEO2T7IkhcIV4m7g4iKAKrg_XrL57mCIq2IlIBEYGHBWOZKnlR_Y9ZpW45mYMAtxTPVxKGOXi2SZg6bz1ion1tognc3mPWRgwtelhUK5fwaOoBRIrHn-OG6M3o1IQOCmc50DoJi5zq2rlFSic1Uc?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/9eUoLz6CYWdR9VV0UhfETf4rsgOp8v0o4CkwhImQxcKEk9GKq-l_sg7HAXXs5GaTlgi4e2eykeOXURMqhQrpORJyFpcjAudc_BcQVkDjo_t8z_R50vZOGxECpn4-2gtO0lm-8b1wWLHmgile0GJ6LpC9vFF139pkVs0mRcmD_pWELcD62D6GngzVIZ-YcOBk?purpose=fullsize\" width=\"545\" height=\"363\" \/><\/div><\/div><\/div><\/div><hr data-start=\"3065\" data-end=\"3068\" \/><h1 data-section-id=\"a114m1\" data-start=\"3070\" data-end=\"3100\">Why Gate Design Is Important<\/h1><p data-start=\"3102\" data-end=\"3226\">The gate is much more than a simple opening. It acts as a flow controller that determines how molten resin fills the cavity.<\/p><p data-start=\"3228\" data-end=\"3258\">A well-designed gate provides:<\/p><ul data-start=\"3260\" data-end=\"3479\"><li data-section-id=\"12wsbwz\" data-start=\"3260\" data-end=\"3284\">Uniform cavity filling<\/li><li data-section-id=\"1kgk61h\" data-start=\"3285\" data-end=\"3317\">Balanced pressure distribution<\/li><li data-section-id=\"94rlor\" data-start=\"3318\" data-end=\"3338\">Reduced weld lines<\/li><li data-section-id=\"1om23x8\" data-start=\"3339\" data-end=\"3362\">Lower internal stress<\/li><li data-section-id=\"1wsf0u8\" data-start=\"3363\" data-end=\"3393\">Better dimensional stability<\/li><li data-section-id=\"1fkj8vx\" data-start=\"3394\" data-end=\"3423\">Improved surface appearance<\/li><li data-section-id=\"1qyxl67\" data-start=\"3424\" data-end=\"3451\">Easier automatic degating<\/li><li data-section-id=\"1utuhpp\" data-start=\"3452\" data-end=\"3479\">Shorter production cycles<\/li><\/ul><p data-start=\"3481\" data-end=\"3569\">Poor gate selection often results in unstable production and higher manufacturing costs.<\/p><h2 data-section-id=\"1veo2xe\" data-start=\"3571\" data-end=\"3607\">Engineering Impact of Gate Design<\/h2><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 299px;\" width=\"908\" data-start=\"3609\" data-end=\"3998\"><thead data-start=\"3609\" data-end=\"3660\"><tr data-start=\"3609\" data-end=\"3660\"><th class=\"last:pe-10\" data-start=\"3609\" data-end=\"3628\" data-col-size=\"sm\">Design Objective<\/th><th class=\"last:pe-10\" data-start=\"3628\" data-end=\"3660\" data-col-size=\"sm\">Effect of Proper Gate Design<\/th><\/tr><\/thead><tbody data-start=\"3713\" data-end=\"3998\"><tr data-start=\"3713\" data-end=\"3761\"><td data-start=\"3713\" data-end=\"3728\" data-col-size=\"sm\">Flow Balance<\/td><td data-start=\"3728\" data-end=\"3761\" data-col-size=\"sm\">Uniform filling of the cavity<\/td><\/tr><tr data-start=\"3762\" data-end=\"3818\"><td data-start=\"3762\" data-end=\"3781\" data-col-size=\"sm\">Cosmetic Quality<\/td><td data-start=\"3781\" data-end=\"3818\" data-col-size=\"sm\">Reduced gate marks and flow lines<\/td><\/tr><tr data-start=\"3819\" data-end=\"3871\"><td data-start=\"3819\" data-end=\"3842\" data-col-size=\"sm\">Dimensional Accuracy<\/td><td data-start=\"3842\" data-end=\"3871\" data-col-size=\"sm\">More consistent shrinkage<\/td><\/tr><tr data-start=\"3872\" data-end=\"3915\"><td data-start=\"3872\" data-end=\"3885\" data-col-size=\"sm\">Cycle Time<\/td><td data-start=\"3885\" data-end=\"3915\" data-col-size=\"sm\">Faster filling and cooling<\/td><\/tr><tr data-start=\"3916\" data-end=\"3952\"><td data-start=\"3916\" data-end=\"3929\" data-col-size=\"sm\">Automation<\/td><td data-start=\"3929\" data-end=\"3952\" data-col-size=\"sm\">Easier gate removal<\/td><\/tr><tr data-start=\"3953\" data-end=\"3998\"><td data-start=\"3953\" data-end=\"3975\" data-col-size=\"sm\">Material Efficiency<\/td><td data-start=\"3975\" data-end=\"3998\" data-col-size=\"sm\">Lower pressure loss<\/td><\/tr><\/tbody><\/table><\/div><\/div><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/rGya5Fys_9AhdEdUzd6T6n87GUapcAe811mcRrlKlRdHz8F0Vp0AJVE9e6D495tJSYXwAHhDa4o45FGS-w17gd1Kppa5ofvbusDM_Kz7oeQYMWsLUBTUyvU6FO2wb3akX-lO-43wFhC5p8x8p6JTBFbvW39Z9MTaVtN8Jd_76yg?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/s3M7Tl8gsY4Y2ZyESiT-zmLMHulkl4yH9pVCEmRgx_oNjPsJ11cmmMNS7ddK9fBFglZwWgfAN56cAwGpxSnvqHF2uWRAhLnqOkjyOGCoyaE--S-UFQ2bd3w3OOgIsmx5TpbHee8cirzU5uQGs3ApEyEbT02KzcJw5DUD7qmuXm-lrZFWukcJ7rc29-eTTtQE?purpose=fullsize\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/3SyCncSybKG3BUxDUDYB2ZkUre_A1TDRaWN2Ql0puOScEl-kMsOTlbtMOkUQsiA-rX_SWWZXdMbN4PWJ55Fy4y1Zt4Wyn8c5Ur2nJxB33lKDc8noF8dA326TDzkK3OSXMJLW1uKahWTGjPJ2oPV6_ZNu5jj2LC2P8y0_QNVXqn4?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/AUz8U1JFU_-G0jHOnpY0Ld2GtPPVMJF0pj-JmGhoBKsYodPo46ippn7UxyDG9iBS5nG5ZsIfvrOZjYbRsFnK5-1lrWtSuvRv2P_1dbETgx2GvsA-Va-8a_KUpwJRkyx6nDjiA-wH0tLbsvronm4Vzd8DEYDp74YrpRQ3D7_tAHjEBUqVRJkTFWUrCZR0NflW?purpose=fullsize\" \/><\/div><\/div><\/div><\/div><hr data-start=\"4066\" data-end=\"4069\" \/><h1 data-section-id=\"jmw5do\" data-start=\"4071\" data-end=\"4102\">Main Types of Injection Gates<\/h1><p data-start=\"4104\" data-end=\"4242\">Modern injection molds use different gate designs depending on product geometry, material, production volume, and appearance requirements.<\/p><hr data-start=\"4244\" data-end=\"4247\" \/><h1 data-section-id=\"cryf9p\" data-start=\"4249\" data-end=\"4263\">1. Edge Gate<\/h1><p data-start=\"4265\" data-end=\"4342\">The edge gate is the most common gate used in conventional cold runner molds.<\/p><p data-start=\"4344\" data-end=\"4450\">It is positioned along the edge of the part, allowing molten plastic to flow horizontally into the cavity.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"4452\" data-end=\"4466\">Advantages<\/h3><ul data-start=\"4468\" data-end=\"4597\"><li data-section-id=\"1i11a1d\" data-start=\"4468\" data-end=\"4494\">Simple mold construction<\/li><li data-section-id=\"1jry1ef\" data-start=\"4495\" data-end=\"4519\">Low manufacturing cost<\/li><li data-section-id=\"1jf761y\" data-start=\"4520\" data-end=\"4536\">Easy machining<\/li><li data-section-id=\"15e16sr\" data-start=\"4537\" data-end=\"4571\">Suitable for large plastic parts<\/li><li data-section-id=\"wiwp4k\" data-start=\"4572\" data-end=\"4597\">Good filling capability<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"4599\" data-end=\"4614\">Limitations<\/h3><ul data-start=\"4616\" data-end=\"4711\"><li data-section-id=\"1puai2n\" data-start=\"4616\" data-end=\"4650\">Manual trimming usually required<\/li><li data-section-id=\"wyjwxa\" data-start=\"4651\" data-end=\"4673\">Visible gate vestige<\/li><li data-section-id=\"16qbvqc\" data-start=\"4674\" data-end=\"4711\">Less suitable for cosmetic surfaces<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"4713\" data-end=\"4737\">Typical Applications<\/h3><ul data-start=\"4739\" data-end=\"4812\"><li data-section-id=\"9vjcdm\" data-start=\"4739\" data-end=\"4757\">Plastic housings<\/li><li data-section-id=\"b4t7de\" data-start=\"4758\" data-end=\"4773\">Storage boxes<\/li><li data-section-id=\"hz3ufa\" data-start=\"4774\" data-end=\"4797\">Industrial enclosures<\/li><li data-section-id=\"6z16z\" data-start=\"4798\" data-end=\"4812\">Large covers<\/li><\/ul><hr data-start=\"4814\" data-end=\"4817\" \/><h2 data-section-id=\"u7bqm0\" data-start=\"4819\" data-end=\"4836\">\u00a0<\/h2><h2 data-section-id=\"u7bqm0\" data-start=\"4819\" data-end=\"4836\"><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" style=\"font-size: 16px;\" src=\"https:\/\/images.openai.com\/static-rsc-4\/U4PicGwI39Ms3MNp5EMcVehck-dfr5tR163l2nzB9xPJBv2vpJHPX163OqY2JS80pcDzUwa13sbhvBvhOHKUM-x3jCpzojERES6lenDsZfM8GtnpoHJskrAb6nQZlPNnwmDt2riyW_JAVh9chYtbkL_0F714lempLJd53WQgyP0?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/fhCGQ6ubZeO29yJvvTW620txxCEqnmA1NZQCagLgLzH4_DopbCOZPH5tQaZoXzubpuheU69KMyUCD_tZmgiZRnTixmEnfl8kCGcV3b00iqP3X0OeRxtZitq4-aV3ud-XDHTlCYyzet6rFggdR79TQnZ6hjo6bx0WVQHWWpnnElA9DA89Rmpwutb3lV3JIYEJ?purpose=fullsize\" width=\"622\" height=\"347\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" style=\"font-size: 16px;\" src=\"https:\/\/images.openai.com\/static-rsc-4\/eL6ANkN9BCtXa8L8AI9wQNIh1FpFBEVw1KOiNfVB_4LRv7TJWwzN5Lyz9Q8hL0q59i2wrNPcCXZ_MsL2Eg72V5wHmxN3nyMwGqYyRk_VcRR8kRnXMI96Zb5wvpzgR1oLLXR8t2IDfg29DvxrSiWb6sezBh3KX2eVAk8OgJghYRA?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/uVILoQSTIhoMFIbfHQ_4wXg0cDOnJwAkbUxM130FH2VT3_SI27una96-TAfs9Fn_PxcipQOYQGlR4TEIDsjFWof5sNZDlSAS4PLmHC9zsKGhwzz3ItWfCauRawVROSmImcrY8BUXZE-LgOJFfaQo1ebUcVgglWDQhTl9o0dvnfGNVYrbTlkN8G63QqjjqAdD?purpose=fullsize\" width=\"538\" height=\"352\" \/><\/h2><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div>\u00a0<\/div><\/div><\/div><\/div><hr data-start=\"4880\" data-end=\"4883\" \/><h1 data-section-id=\"wyr4e2\" data-start=\"4885\" data-end=\"4898\">2. Pin Gate<\/h1><p data-start=\"4900\" data-end=\"4972\">The pin gate is widely used in three-plate molds and hot runner systems.<\/p><p data-start=\"4974\" data-end=\"5073\">It creates a very small gate mark, making it suitable for products with high cosmetic requirements.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"5075\" data-end=\"5089\">Advantages<\/h3><ul data-start=\"5091\" data-end=\"5201\"><li data-section-id=\"19c00qn\" data-start=\"5091\" data-end=\"5111\">Small gate vestige<\/li><li data-section-id=\"11vkoa2\" data-start=\"5112\" data-end=\"5139\">Automatic gate separation<\/li><li data-section-id=\"7oq2b3\" data-start=\"5140\" data-end=\"5173\">Suitable for multi-cavity molds<\/li><li data-section-id=\"1is9lu5\" data-start=\"5174\" data-end=\"5201\">Better product appearance<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"5203\" data-end=\"5218\">Limitations<\/h3><ul data-start=\"5220\" data-end=\"5308\"><li data-section-id=\"1ul1ac7\" data-start=\"5220\" data-end=\"5242\">Higher pressure loss<\/li><li data-section-id=\"1ciym5c\" data-start=\"5243\" data-end=\"5277\">More difficult mold construction<\/li><li data-section-id=\"1u6rivf\" data-start=\"5278\" data-end=\"5308\">Requires accurate processing<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"5310\" data-end=\"5334\">Typical Applications<\/h3><ul data-start=\"5336\" data-end=\"5440\"><li data-section-id=\"va2yxz\" data-start=\"5336\" data-end=\"5358\">Consumer electronics<\/li><li data-section-id=\"9p5nxb\" data-start=\"5359\" data-end=\"5379\">Medical components<\/li><li data-section-id=\"pqja4f\" data-start=\"5380\" data-end=\"5407\">Automotive interior parts<\/li><li data-section-id=\"lvwan3\" data-start=\"5408\" data-end=\"5440\">Precision engineering products<\/li><\/ul><h2 data-section-id=\"u7bqm0\" data-start=\"5447\" data-end=\"5464\">\u00a0<\/h2><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/7W9P0Wi21LYgB9FvNcxEwqpSjas1JpmZgvoGJTqFiOrFPpAH0BdCzonWIyonTNeF36A1oWKW1F5yAAuOx--z9158AtPMt0FPBQeR6Ot_vpfqxM4CWu6XAvzGya8L00wdm5Z5FIH4lvlMMySR-lteQBArGYPUazNFqjaY8ziPcyM?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/90Ry_DLd9q6fRpxX4c2G7MUbZD8V6VyI-OqukOdkuHrvu6Wb99zVLfv_yE_0e0WpPQiBFv2mJ2VFWv7JUPnq-zw7KlJEfa6DO49bAA46ij8HoZw-5sB9JX7HMJZQY_lYkr61m4DEOntTs_SMwszK6d1rqfJ1pQXKRVuYKf4KcVxkE3eFwEnG0bb2wTpJAPEz?purpose=fullsize\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/OOdvaOiz9myL8MrHePpStx6vRSWHKJ1LTMbhTnZN3zJfHYYMJJtwRJ8h04QBjuMzzC7JfTvp9SeTz_47WUhkj7z3yD7WFFIkVWsRUwuSa2KymDxVtQ1AmijKlujE7RIcw4UOeaHOsOiByxOs7YXwlr7zHt8TBA1-n154pxNwi_w?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/z_4Z-1sHDQ1RNrwEWEJNcatTWXVVKjuQCm3Qm9XNzoMFvSiKcLthTe-n3NwAcZ0z7zqUpgjwb_SUK03tNMCCMCmsrxqmTN6pEc3ZcmzAq6LL1kN7e0M40aHtRaKfSi3mL7m3UUZvmT_OKyaYM5KoNA7q47zDGJNzsUtVX4DYLsNtMkNJtzQ3qIKircwwY3Uj?purpose=fullsize\" width=\"582\" height=\"388\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/aFJeJlrymEO0PTOfpGAP7aOAa6KdYWs6R61rUKTJYHXIUrLQ7QNz0E53VHZ4jIfTPgqRR0zhlb4wrdIxbr_w-WprjvygVoqSB225aTExCLAP3CbScTpG630SATuBQIvO2hZMGQpuRelZu4mbBfHC7SjWp2TD-ojz4RLe7Ta9Qic?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/_xlAa_layI1Err0TXDllPYkUROCuZy2yRcjZ1lO60SWq88yXa6S0QO0vh_WVjzBqfWIjNI3MrwyI5K3oDDBNHAVKS6j26Y2h4cpA00dJEiPuEzeHbwx7YnxzWAlmUleSK1dJ_mJQAbFBYjpTorkh5kjyTVlm94Y_KFoKoSYa3SnRYiqisYKxy_f9uVdlcaPr?purpose=fullsize\" width=\"310\" height=\"390\" \/><\/div><\/div><\/div><\/div><hr data-start=\"5508\" data-end=\"5511\" \/><h1 data-section-id=\"1073gyl\" data-start=\"5513\" data-end=\"5541\">3. Submarine (Tunnel) Gate<\/h1><p data-start=\"5543\" data-end=\"5660\">The submarine gate, also known as the tunnel gate, enters the cavity below the parting line through an angled tunnel.<\/p><p data-start=\"5662\" data-end=\"5779\">During mold opening, the gate automatically separates from the molded part, eliminating the need for manual trimming.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"5781\" data-end=\"5795\">Advantages<\/h3><ul data-start=\"5797\" data-end=\"5906\"><li data-section-id=\"11pd3vw\" data-start=\"5797\" data-end=\"5823\">Fully automatic degating<\/li><li data-section-id=\"1hkad1h\" data-start=\"5824\" data-end=\"5854\">Higher production efficiency<\/li><li data-section-id=\"1683031\" data-start=\"5855\" data-end=\"5885\">Suitable for mass production<\/li><li data-section-id=\"h8vdf9\" data-start=\"5886\" data-end=\"5906\">Reduced labor cost<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"5908\" data-end=\"5923\">Limitations<\/h3><ul data-start=\"5925\" data-end=\"6008\"><li data-section-id=\"1asn84u\" data-start=\"5925\" data-end=\"5944\">Limited gate size<\/li><li data-section-id=\"14pegvm\" data-start=\"5945\" data-end=\"5978\">Not suitable for large products<\/li><li data-section-id=\"1upn46v\" data-start=\"5979\" data-end=\"6008\">More complex mold machining<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"6010\" data-end=\"6034\">Typical Applications<\/h3><ul data-start=\"6036\" data-end=\"6122\"><li data-section-id=\"va2yxz\" data-start=\"6036\" data-end=\"6058\">Consumer electronics<\/li><li data-section-id=\"16mlhia\" data-start=\"6059\" data-end=\"6085\">Daily household products<\/li><li data-section-id=\"1j4cmrd\" data-start=\"6086\" data-end=\"6092\">Toys<\/li><li data-section-id=\"1gqile4\" data-start=\"6093\" data-end=\"6122\">Small industrial components<\/li><\/ul><h2 data-section-id=\"u7bqm0\" data-start=\"6129\" data-end=\"6146\">\u00a0<\/h2><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/9yn4AbAUqRnDo1otT04IzbfBcOnYbcKY620g91eCxxmlw7yuvIVabJ86heSNGPeHoPq-oilDSi04RI-N_p0vRgWSdWIJ9vavknrp6PWh5kFWAD6s30oP1DKn00M_ypH9-at22BclQD9AvWGGqsxbd-qNnGTs56rDefmLhnhk5R4?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/rPBz9yBCidW0dChn0dKe6fy1fnFRKEsDFbrgAF9rLhbPQG8hxA_4-ZiN_2RTpO-THPfmzIZVrxQ3DpgaJCZBfIgXEK9TkA4c9JYxAddMsqtROAtFX5bo85mteQCR1eQZkQPJR2AgARm_OI6jIvlGgSMGXqS4k5SEQ1_4PzdeA2RyHDSUBgnU5JluV102nmJj?purpose=fullsize\" width=\"728\" height=\"406\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/FJePLGO2VfAmnt9kXOnXq3WWWUJroZYuT9X3t6qo2k7G1oLtS9DasfVyFypuoVfxvmoKK6twMRUqCVyBfrj1VPKCxYGZlCmI9FzhoItL5T15gdK-t4Hbl63_E9CCZQVJN-_TGPvkxdafw5grLzXcpzq0NBtBwhcmarOe7lIRPd4?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/EjuPcV70ICcoNCJdyPbGec_lupX47DHw1StmL_Q3MCSmp8a7PNfMKokVrNo2N1UnjHbdMp0D50WY0mOHRSyM0Z5fvQ1ibraAoyULUbtLxl3JKZHZ0T0naCgzc0dRz6vejpRUCb5h7BKOXWRWxDTwOibkQl7aQedQBixuoivpWsoPddOyERAbf7KpaSxWiHhE?purpose=fullsize\" width=\"731\" height=\"426\" \/><\/div><\/div><\/div><\/div><hr data-start=\"6190\" data-end=\"6193\" \/><h1 data-section-id=\"f5hl0i\" data-start=\"6195\" data-end=\"6208\">4. Fan Gate<\/h1><p data-start=\"6210\" data-end=\"6323\">The fan gate gradually widens from the runner into the cavity, distributing molten plastic across a broader area.<\/p><p data-start=\"6325\" data-end=\"6390\">This design reduces shear stress and improves filling uniformity.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"6392\" data-end=\"6406\">Advantages<\/h3><ul data-start=\"6408\" data-end=\"6510\"><li data-section-id=\"wtcx0\" data-start=\"6408\" data-end=\"6437\">Excellent flow distribution<\/li><li data-section-id=\"1496tsr\" data-start=\"6438\" data-end=\"6455\">Reduced warpage<\/li><li data-section-id=\"1om23x8\" data-start=\"6456\" data-end=\"6479\">Lower internal stress<\/li><li data-section-id=\"1rf0mzy\" data-start=\"6480\" data-end=\"6510\">Ideal for thin-wall products<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"6512\" data-end=\"6527\">Limitations<\/h3><ul data-start=\"6529\" data-end=\"6588\"><li data-section-id=\"197zoh4\" data-start=\"6529\" data-end=\"6556\">Larger gate trimming area<\/li><li data-section-id=\"1lcuda4\" data-start=\"6557\" data-end=\"6588\">Requires additional finishing<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"6590\" data-end=\"6614\">Typical Applications<\/h3><ul data-start=\"6616\" data-end=\"6688\"><li data-section-id=\"66vurj\" data-start=\"6616\" data-end=\"6639\">Transparent PC lenses<\/li><li data-section-id=\"1giabci\" data-start=\"6640\" data-end=\"6653\">Flat panels<\/li><li data-section-id=\"1twp2y1\" data-start=\"6654\" data-end=\"6671\">Automotive trim<\/li><li data-section-id=\"119tf1o\" data-start=\"6672\" data-end=\"6688\">Display covers<\/li><\/ul><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/diTc9Gf1v01sKJgyLA903EjuKKKIT-C3KeWpQrsH-v6EqWf6z0eSVgiGn6YOvUbMVDCkxr6Vs5cPMqCMSejrHfxTJA1QpTrhsYPqL8Lai-0J50qikycq_TAEsFAVd3p5uKY0vuRsFKYybfST2QJj4BTi8TNRvWNSmHjdsaIQSII?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/2nBzMJ2VMMJKpAL1Q4T3P5xS1sDiTEx5wJsMcF1YpESEh14KJ1T0tITr_O4NX1HpB6jtw_U3s3dL-W3kWdtI_IeHBAC8jIW-4vUqNSMhhfnsxnbuhuM0Ia0QgR9bIY1fZXEkHLBBZA0lSbqVuV6ONTkUuME0S3LOj9RX3b2euTz4-K-cZxjkCFpnzH-5Lw15?purpose=fullsize\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/j3Hae3aS1Ub5IyVt0bbkDAyI5PHdZ8NiAiWaBN9uemnlXhEDey3VKpd33ET3ytcDe8ff_11WXnZVogensIhO2tODXmil13Ipg2ziR7XaUqJIK07IscvMb0EVoWi61-LRyjNPkeomiJ33_qZj2VYJtVhAsTsEyxXjkpAA3OTsZ20?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/reoIG67lcO_38XjNtWJv2t4v-tAdT3gnCacsvcDp-lcbE4UBK1fX3imYtOapC3pjdELSU8KNpLp4f15icQl-cbNnO9X47wBJlu3jOGvpuVSV4vi_PQWo1Y6ZJEeEYeNbNCDEWsZfSg_j_dM-_DJOrzchozFQLFFVesuq7J-j8rxxXkameu-iiI86ZWBjP_11?purpose=fullsize\" \/><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/iAtUqXFqHNk-yfmVUiWFdOXGDa5J4EHcDNfS94vkun8oIBZo7qnPWTZpU4nUZxTvvNx0dtKZoSnAae0H9W1knpNP32jVp1is1Gzw07C_zycEil7P2LmtarY_qpHSnnETK-3k9wGD-KsGJmavORwATMthVMJWLLFrYWG28OZeBeQ?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/T7zZv_0KfYJttArcs5sPhXoDSLrI1-PmEI3KiwoAA0EC9qF8cwh0gb1hZp5K71uctrBjtffh2WvTo8QuYkbBF_EFtLQz0uWUVt9klCx-4NwrfiArORe2ZxtlvVCq5h_eR6uL3bio3NjdfmqEzk5gXuWkuzmtnPKs3Dt0QjOTlixcrq_sCfigLho-HR45gr-l?purpose=fullsize\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div class=\"pointer-events-none absolute inset-x-2 bottom-2 z-10 flex max-w-[calc(100%-1rem)] flex-wrap items-end justify-end gap-1.5\"><div class=\"shrink-0\"><div class=\"flex items-center gap-1 rounded-full px-2 py-1.5 text-white backdrop-blur-md backdrop-brightness-75\">\u00a0<\/div><\/div><\/div><\/div><\/div><\/div><hr data-start=\"6756\" data-end=\"6759\" \/><h2 data-section-id=\"1ef4fgz\" data-start=\"6761\" data-end=\"6784\">Gate Type Comparison<\/h2><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 277px;\" width=\"1130\" data-start=\"6786\" data-end=\"7200\"><thead data-start=\"6786\" data-end=\"6877\"><tr data-start=\"6786\" data-end=\"6877\"><th class=\"last:pe-10\" data-start=\"6786\" data-end=\"6798\" data-col-size=\"sm\">Gate Type<\/th><th class=\"last:pe-10\" data-start=\"6798\" data-end=\"6811\" data-col-size=\"sm\">Appearance<\/th><th class=\"last:pe-10\" data-start=\"6811\" data-end=\"6832\" data-col-size=\"sm\">Automatic Degating<\/th><th class=\"last:pe-10\" data-start=\"6832\" data-end=\"6853\" data-col-size=\"sm\">Manufacturing Cost<\/th><th class=\"last:pe-10\" data-start=\"6853\" data-end=\"6877\" data-col-size=\"sm\">Typical Applications<\/th><\/tr><\/thead><tbody data-start=\"6970\" data-end=\"7200\"><tr data-start=\"6970\" data-end=\"7018\"><td data-start=\"6970\" data-end=\"6982\" data-col-size=\"sm\">Edge Gate<\/td><td data-start=\"6982\" data-end=\"6989\" data-col-size=\"sm\">Fair<\/td><td data-start=\"6989\" data-end=\"6994\" data-col-size=\"sm\">No<\/td><td data-start=\"6994\" data-end=\"7000\" data-col-size=\"sm\">Low<\/td><td data-start=\"7000\" data-end=\"7018\" data-col-size=\"sm\">Large housings<\/td><\/tr><tr data-start=\"7019\" data-end=\"7079\"><td data-start=\"7019\" data-end=\"7030\" data-col-size=\"sm\">Pin Gate<\/td><td data-start=\"7030\" data-end=\"7042\" data-col-size=\"sm\">Excellent<\/td><td data-start=\"7042\" data-end=\"7048\" data-col-size=\"sm\">Yes<\/td><td data-start=\"7048\" data-end=\"7057\" data-col-size=\"sm\">Medium<\/td><td data-start=\"7057\" data-end=\"7079\" data-col-size=\"sm\">Precision products<\/td><\/tr><tr data-start=\"7080\" data-end=\"7138\"><td data-start=\"7080\" data-end=\"7097\" data-col-size=\"sm\">Submarine Gate<\/td><td data-start=\"7097\" data-end=\"7104\" data-col-size=\"sm\">Good<\/td><td data-start=\"7104\" data-end=\"7110\" data-col-size=\"sm\">Yes<\/td><td data-start=\"7110\" data-end=\"7119\" data-col-size=\"sm\">Medium<\/td><td data-start=\"7119\" data-end=\"7138\" data-col-size=\"sm\">Mass production<\/td><\/tr><tr data-start=\"7139\" data-end=\"7200\"><td data-start=\"7139\" data-end=\"7150\" data-col-size=\"sm\">Fan Gate<\/td><td data-start=\"7150\" data-end=\"7162\" data-col-size=\"sm\">Excellent<\/td><td data-start=\"7162\" data-end=\"7167\" data-col-size=\"sm\">No<\/td><td data-start=\"7167\" data-end=\"7176\" data-col-size=\"sm\">Medium<\/td><td data-start=\"7176\" data-end=\"7200\" data-col-size=\"sm\">Thin-wall components<\/td><\/tr><\/tbody><\/table><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1ecdaa6 e-flex e-con-boxed e-con e-parent\" data-id=\"1ecdaa6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0ce5c8c elementor-widget elementor-widget-text-editor\" data-id=\"0ce5c8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h1 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"1b7b1\" data-start=\"96\" data-end=\"109\">5. Tab Gate<\/h1><p data-start=\"111\" data-end=\"357\">A tab gate is an improved version of the edge gate. It incorporates a small tab between the runner and the molded part, allowing molten plastic to slow down before entering the cavity. This reduces shear stress and minimizes flow-related defects.<\/p><p data-start=\"359\" data-end=\"491\">Because the tab absorbs the initial injection force, it helps improve surface quality, especially for transparent or cosmetic parts.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"493\" data-end=\"507\">Advantages<\/h3><ul data-start=\"509\" data-end=\"623\"><li data-section-id=\"dryh57\" data-start=\"509\" data-end=\"541\">Reduces jetting and flow marks<\/li><li data-section-id=\"yvakvb\" data-start=\"542\" data-end=\"567\">Improves surface finish<\/li><li data-section-id=\"1kvltn3\" data-start=\"568\" data-end=\"592\">Lowers internal stress<\/li><li data-section-id=\"ch2oyz\" data-start=\"593\" data-end=\"623\">Better for brittle materials<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"625\" data-end=\"640\">Limitations<\/h3><ul data-start=\"642\" data-end=\"717\"><li data-section-id=\"m9kqvr\" data-start=\"642\" data-end=\"675\">Requires trimming after molding<\/li><li data-section-id=\"13bwde1\" data-start=\"676\" data-end=\"717\">Slightly increases material consumption<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"719\" data-end=\"743\">Typical Applications<\/h3><ul data-start=\"745\" data-end=\"819\"><li data-section-id=\"i1oggz\" data-start=\"745\" data-end=\"768\">Transparent PC covers<\/li><li data-section-id=\"1q7p8zf\" data-start=\"769\" data-end=\"782\">PMMA lenses<\/li><li data-section-id=\"q3ai3b\" data-start=\"783\" data-end=\"799\">Display panels<\/li><li data-section-id=\"h03k37\" data-start=\"800\" data-end=\"819\">Cosmetic housings<\/li><\/ul><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/6CXEArkRzh0W9g2B3xNVcmkA0mECmHaMziE3wmip4hFem12yiE-IQhzep6y61egkRk3OOBWb1LbdaGbPTOtHHCM24yEK3_W8KpqfE8dNMCMTKF8ggQLWp5s8NenzRbQHAuD99UMl7Xa_A69i9KSriEi3mvFMmrPY8PizZriuyJo?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/IE-9IjRur0eqDUuIL1RSRNTDIGtmBTodsCIJnc4DIVZ7v7aEDOAPCgufDZ-mcYKYLcE7tSV10ran5UrYMz4LzQ7mJmVTDp5sXMsRUOnSlWo7eDnKqDsXwBPJnp17Tbk-vTBa2Y0Bpg_YSaqfWVVvBMBJ50nyD_e2zefggcsAa68xIoUO1nHdblDrUeP-hp-w?purpose=fullsize\" width=\"508\" height=\"381\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/qmQMYSy7_Ih4P3VER9nBQV-CJkVpaP5qav2ZsuAId5KzDgvYb48mxaNR27wee4TWMeEgQeDq-evlhW-hsSY6weFRwQ1RC1Mu3Nz2IMSTdjFRrx8e_S0MxllNaxMHab8y49UUwd2YSUK8Qu18CL-nm8x_kw1kB_WNcco9XFhCipE?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/TpUZl3qF58DU45p5vhEtlEVg6HAY-8Viwg_St8DEsSt6H7VH1MnbbH4eS-VqsVPd9fF2LDzXRVvGiORnRBK6-SQCK7IKUlDOaSGEvE4HxpjwY65tlEkBZNFgKgqBnLNGyBXPYMYydV54MCRYT3FO5qwp3TlEcMsTywhEgztFOYkrE0xZgAuekYPAh-OphpIm?purpose=fullsize\" width=\"569\" height=\"340\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/M6lfgNLLL5-XcsLsIW6SqmBj1vQV3FkisRgO-M6JWW0_7bKR5WAbJEZpyQU9nzJZRPrUzKsSdbSEOhFtv0mZQ5m6eovv-_aHQ0CVpu1Qh26iiRUdct4CBh8gf8IOAqUt7-bVHh-lHfxXbi4J81YmkrAhGyQ98IM3WvxUhQY1QuA?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/mOwtxYiNCcmEyUuzCwWtl2i5sBjAypfGaQP7X9KmPUymstRy5inLL3LegLMRyyVQw5BsYehNfcv7M7EVo86KCqpQ-htPQ7TCWBmKkYrZS3Y02yDtu-KP12d2waEbeMhVJLsFSl8UTlPBia8Hgwy1mSm7p7lfw1llEP_lSOVevnho-nasyik5pqOleGW2QALg?purpose=fullsize\" width=\"461\" height=\"346\" \/><\/div><\/div><\/div><\/div><hr data-start=\"900\" data-end=\"903\" \/><h1 data-section-id=\"yky4n\" data-start=\"905\" data-end=\"919\">6. Film Gate<\/h1><p data-start=\"921\" data-end=\"1119\">A film gate is a very wide and thin gate that distributes molten plastic evenly across a large section of the cavity. It is commonly used for large flat products where balanced filling is essential.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"1121\" data-end=\"1135\">Advantages<\/h3><ul data-start=\"1137\" data-end=\"1228\"><li data-section-id=\"1dq17yb\" data-start=\"1137\" data-end=\"1154\">Uniform filling<\/li><li data-section-id=\"1496tsr\" data-start=\"1155\" data-end=\"1172\">Reduced warpage<\/li><li data-section-id=\"11n324q\" data-start=\"1173\" data-end=\"1196\">Lower residual stress<\/li><li data-section-id=\"1r7o5bn\" data-start=\"1197\" data-end=\"1228\">Excellent for thin-wall parts<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"1230\" data-end=\"1245\">Limitations<\/h3><ul data-start=\"1247\" data-end=\"1298\"><li data-section-id=\"37jf2l\" data-start=\"1247\" data-end=\"1268\">Large trimming area<\/li><li data-section-id=\"16vs8h3\" data-start=\"1269\" data-end=\"1298\">Longer gate removal process<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"1300\" data-end=\"1324\">Typical Applications<\/h3><ul data-start=\"1326\" data-end=\"1414\"><li data-section-id=\"1mtfqxs\" data-start=\"1326\" data-end=\"1344\">Appliance panels<\/li><li data-section-id=\"9aigr9\" data-start=\"1345\" data-end=\"1360\">Plastic trays<\/li><li data-section-id=\"9e4cxl\" data-start=\"1361\" data-end=\"1387\">Automotive interior trim<\/li><li data-section-id=\"1k3wh86\" data-start=\"1388\" data-end=\"1414\">Large transparent panels<\/li><\/ul><hr data-start=\"1416\" data-end=\"1419\" \/><h1 data-section-id=\"1kxru9m\" data-start=\"1421\" data-end=\"1435\">7. Ring Gate<\/h1><p data-start=\"1437\" data-end=\"1552\">The ring gate surrounds a cylindrical feature and allows molten plastic to flow uniformly around the circumference.<\/p><p data-start=\"1554\" data-end=\"1643\">This balanced filling pattern minimizes weld lines and maintains excellent concentricity.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"1645\" data-end=\"1659\">Advantages<\/h3><ul data-start=\"1661\" data-end=\"1761\"><li data-section-id=\"1unjaog\" data-start=\"1661\" data-end=\"1685\">Uniform radial filling<\/li><li data-section-id=\"tivvkv\" data-start=\"1686\" data-end=\"1721\">Excellent dimensional consistency<\/li><li data-section-id=\"94rlor\" data-start=\"1722\" data-end=\"1742\">Reduced weld lines<\/li><li data-section-id=\"vivkc1\" data-start=\"1743\" data-end=\"1761\">Better roundness<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"1763\" data-end=\"1787\">Typical Applications<\/h3><ul data-start=\"1789\" data-end=\"1863\"><li data-section-id=\"f9iji0\" data-start=\"1789\" data-end=\"1804\">Pipe fittings<\/li><li data-section-id=\"15qytwc\" data-start=\"1805\" data-end=\"1829\">Cylindrical containers<\/li><li data-section-id=\"ikv48q\" data-start=\"1830\" data-end=\"1847\">Filter housings<\/li><li data-section-id=\"1nz9riu\" data-start=\"1848\" data-end=\"1863\">Medical tubes<\/li><\/ul><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/gzcw3UyXetLE1Hbz7Vatd5_4JXjsSzTFHIEHpQ8sK1a83hsDfYT_5V9C4vAdj6FKNEHjmd0ONo9MAh5djr1b8KA-FujYPcr3aRTiwCXaVo44dljKqwaOpB-wUmi8cNWtkLZTtgTkfQYYOgw_niPiWmLLkqYLp-YHm5UlBG7Tzb4?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/Bfp3ZreV8ecoOE7_lYkBbRBK8_FoVbZmGKx8INNktZwP8lpa96OcHc1sr_Lrww7surN1dwUFrCKXyyNihhtEUK6v76YDs1x-b8C4MzqXHDbXCBOaH9exRIZws5uzaQldYtuzotAH1kVBKkNH8HkaGFiMozjwMKEwxxJXYfPXcJme8ZzfBxSiWU_6xzPkoLsU?purpose=fullsize\" width=\"588\" height=\"395\" \/><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/5S-sJck1vl2v4kJ2rmsCO9mkAkBBhnxAPUws0vs6mlh3EH6xUrFYGTgC6Q_vEpgrs6Vcjiew6oUg_HMze4X3HUeooJUUABx7UHk9uTJsZ3Y358b4oEXaK5qesTxmVE8FIbvRbc9dLzE8Khnr48rIXAc50VYkwxat7-DBC2CgJDM?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/gKPJ9GGPnGE4IBqpDrUV7FK0g0LqYfwzbvG81AOkz_Cwvi9gwJk0iBYISe8Iu8_uw4r980XYBT7IMLEWTlaIxEqVjosusAwwZlJoCRFuIymRGna9z3L7A2D_BH6fGXxQk3j1VcIxJuTmWBOMfJ_HbFsuh9h4Uim4g_wn7noV7j8-wVCgw7egMNAGn9zdOcYS?purpose=fullsize\" \/><\/div><\/div><\/div><\/div><hr data-start=\"1931\" data-end=\"1934\" \/><h1 data-section-id=\"cn6qfe\" data-start=\"1936\" data-end=\"1955\">8. Diaphragm Gate<\/h1><p data-start=\"1957\" data-end=\"2120\">A diaphragm gate is designed for hollow cylindrical parts. The molten plastic enters through a circular diaphragm and flows evenly around the entire circumference.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"2122\" data-end=\"2136\">Advantages<\/h3><ul data-start=\"2138\" data-end=\"2223\"><li data-section-id=\"1dq17yb\" data-start=\"2138\" data-end=\"2155\">Uniform filling<\/li><li data-section-id=\"xtkbmo\" data-start=\"2156\" data-end=\"2176\">Minimal distortion<\/li><li data-section-id=\"dk1woe\" data-start=\"2177\" data-end=\"2202\">Excellent concentricity<\/li><li data-section-id=\"1x9q1jg\" data-start=\"2203\" data-end=\"2223\">Balanced shrinkage<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"2225\" data-end=\"2249\">Typical Applications<\/h3><ul data-start=\"2251\" data-end=\"2337\"><li data-section-id=\"1a4sx71\" data-start=\"2251\" data-end=\"2269\">Medical syringes<\/li><li data-section-id=\"pfwgn6\" data-start=\"2270\" data-end=\"2289\">Filter cartridges<\/li><li data-section-id=\"1n0h37o\" data-start=\"2290\" data-end=\"2308\">Pressure vessels<\/li><li data-section-id=\"1b4hwqn\" data-start=\"2309\" data-end=\"2337\">Industrial pipe components<\/li><\/ul><hr data-start=\"2339\" data-end=\"2342\" \/><h1 data-section-id=\"1vkvl5k\" data-start=\"2344\" data-end=\"2361\">9. Hot Tip Gate<\/h1><p data-start=\"2363\" data-end=\"2504\">Hot tip gates are commonly used in hot runner systems. Because the plastic remains molten inside the manifold, there is no cold runner waste.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"2506\" data-end=\"2520\">Advantages<\/h3><ul data-start=\"2522\" data-end=\"2605\"><li data-section-id=\"mgxe3u\" data-start=\"2522\" data-end=\"2539\">No runner scrap<\/li><li data-section-id=\"42cybj\" data-start=\"2540\" data-end=\"2566\">Faster production cycles<\/li><li data-section-id=\"179vm1z\" data-start=\"2567\" data-end=\"2586\">Better automation<\/li><li data-section-id=\"1o92igk\" data-start=\"2587\" data-end=\"2605\">Material savings<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"2607\" data-end=\"2622\">Limitations<\/h3><ul data-start=\"2624\" data-end=\"2700\"><li data-section-id=\"gm7fe8\" data-start=\"2624\" data-end=\"2642\">Higher mold cost<\/li><li data-section-id=\"1hzu5sw\" data-start=\"2643\" data-end=\"2669\">More complex maintenance<\/li><li data-section-id=\"1k1tb31\" data-start=\"2670\" data-end=\"2700\">Requires temperature control<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"2702\" data-end=\"2726\">Typical Applications<\/h3><ul data-start=\"2728\" data-end=\"2821\"><li data-section-id=\"va2yxz\" data-start=\"2728\" data-end=\"2750\">Consumer electronics<\/li><li data-section-id=\"1jv8icb\" data-start=\"2751\" data-end=\"2769\">Medical products<\/li><li data-section-id=\"v9eiel\" data-start=\"2770\" data-end=\"2798\">High-volume consumer goods<\/li><li data-section-id=\"85gh1n\" data-start=\"2799\" data-end=\"2821\">Packaging components<\/li><\/ul><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/b2H8DNonIbEjpvZ9vDJp7pDQC0QSj2angdc2UXSV9iOnoJ1g0bdDucxkUH_A0yWs62JAgII_64TBgvMJviqGn1XJlxxCui1CqVCXszkUtIX85NWlX1rGxbumALhbkZ_W9mJIBxISl-AtYNiZ9VQaR5kuXpWFBNliSFT9TYKqiaE?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/QExUif1cCdLnkX93GHNz5VJaZH8JrvlXJUFCyhy5ZT8z7UQidAopw8qaYYhZRAUWVr499wMjkAMK702eT2sVNJxjYvyLkE_9LW461tJYQjQj3_ezKQ9Zaliji01I9XDGPmnfUZUaxwIt2NL_2Z4_nNxP4JKvr8lVUuvixE8aIYI2fery0_FSEQ98zfotY0NU?purpose=fullsize\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/qzu8mGwZPuSA_l5GOBxbHsR5S1UfSr2AYpWAGSGsWh9Ii6kFnN9hz-_ZH3Vw310cSYbaWcYTSv5Jk4OiPkWAXex-z4ckZDUMVqbNJj-C5zOSGuuWq-pxckLj2eyCVzFJcV2EzAiMLas8erV36wJ1wPSRvl7EqcKU6xus1w7Ca6c?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/LgRKwbLU00AlbOBkuOWltikjBeSvNMtWswtP51vVzSyWO-9Upy6AbvdHi29lowGPQuP6Bq2NRpBrsf_-5vFcc2IN_X0Ufa-nrfxGzFnCZ6J58_5H8bP9S0VquuNIMd61LA19rjFzAudFaZQNuu6GFYwR63BrOe8JqlwdIi53h7WVW0pOP5SgtOA2hTaMEy5O?purpose=fullsize\" width=\"1063\" height=\"1063\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/K4P_Am-9V2LFOISWl8gJ55uyOxc2fwyu2a4Tp9C8FFSNeRlh-s0EAWlJx0OVcGwVjj2EGf6UWkB1M49U7vf9HA152YeR4x6qNwJnKF-U-M2rSr2bWwhMOc0fXSy-qG7Yq7IlYiwPT9Ta5cb5RjD2qUbOkqHjuZV5bv7FGGu8bxE?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/n75ckVdDnm0k4XhTmIMSXvSUNSlGxHqiu-F0ZCAAkjrTWm6d8g58znRuQnrOiBfxS9VsQMZ6CFMACZKvhNTxrq3IlFsPxtyNdm-Ci_Saj1K7sDbFjqC3NUz9osmTt_OBR30nhtWRdDrO7g1CMfva1sQgTlmmNz84E-3c3WzXJ_eMntcjOZmv0JDFGrEm3TOf?purpose=fullsize\" width=\"1059\" height=\"794\" \/><\/div><\/div><\/div><\/div><hr data-start=\"2889\" data-end=\"2892\" \/><h1 data-section-id=\"g6sgm\" data-start=\"2894\" data-end=\"2910\">10. Valve Gate<\/h1><p data-start=\"2912\" data-end=\"3086\">Valve gate technology represents one of the most advanced gate systems in injection molding. A movable valve pin precisely opens and closes the gate during the molding cycle.<\/p><p data-start=\"3088\" data-end=\"3174\">This provides excellent control over melt flow and virtually eliminates gate vestiges.<\/p><h3 data-section-id=\"1l3n95q\" data-start=\"3176\" data-end=\"3190\">Advantages<\/h3><ul data-start=\"3192\" data-end=\"3340\"><li data-section-id=\"edp0vv\" data-start=\"3192\" data-end=\"3223\">Excellent cosmetic appearance<\/li><li data-section-id=\"qdgh97\" data-start=\"3224\" data-end=\"3249\">Precise filling control<\/li><li data-section-id=\"xcesyk\" data-start=\"3250\" data-end=\"3264\">No stringing<\/li><li data-section-id=\"zopnyd\" data-start=\"3265\" data-end=\"3300\">Ideal for sequential valve gating<\/li><li data-section-id=\"pq0avm\" data-start=\"3301\" data-end=\"3340\">Suitable for large multi-cavity molds<\/li><\/ul><h3 data-section-id=\"chrobh\" data-start=\"3342\" data-end=\"3357\">Limitations<\/h3><ul data-start=\"3359\" data-end=\"3429\"><li data-section-id=\"sd2l9z\" data-start=\"3359\" data-end=\"3381\">Highest tooling cost<\/li><li data-section-id=\"5pe16d\" data-start=\"3382\" data-end=\"3403\">Complex maintenance<\/li><li data-section-id=\"tg7xvw\" data-start=\"3404\" data-end=\"3429\">Longer mold development<\/li><\/ul><h3 data-section-id=\"ucz99x\" data-start=\"3431\" data-end=\"3455\">Typical Applications<\/h3><ul data-start=\"3457\" data-end=\"3556\"><li data-section-id=\"9o6dwl\" data-start=\"3457\" data-end=\"3477\">Automotive bumpers<\/li><li data-section-id=\"obj5vc\" data-start=\"3478\" data-end=\"3497\">Instrument panels<\/li><li data-section-id=\"602io3\" data-start=\"3498\" data-end=\"3527\">Premium electronic housings<\/li><li data-section-id=\"11gua10\" data-start=\"3528\" data-end=\"3556\">Large appliance components<\/li><\/ul><hr data-start=\"3558\" data-end=\"3561\" \/><h2 data-section-id=\"f5pyiu\" data-start=\"3563\" data-end=\"3583\">Gate Type Summary<\/h2><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 453px;\" width=\"997\" data-start=\"3585\" data-end=\"4178\"><thead data-start=\"3585\" data-end=\"3658\"><tr data-start=\"3585\" data-end=\"3658\"><th class=\"last:pe-10\" data-start=\"3585\" data-end=\"3597\" data-col-size=\"sm\">Gate Type<\/th><th class=\"last:pe-10\" data-start=\"3597\" data-end=\"3616\" data-col-size=\"sm\">Cosmetic Quality<\/th><th class=\"last:pe-10\" data-start=\"3616\" data-end=\"3637\" data-col-size=\"sm\">Automatic Degating<\/th><th class=\"last:pe-10\" data-start=\"3637\" data-end=\"3658\" data-col-size=\"sm\">Typical Part Size<\/th><\/tr><\/thead><tbody data-start=\"3733\" data-end=\"4178\"><tr data-start=\"3733\" data-end=\"3767\"><td data-start=\"3733\" data-end=\"3745\" data-col-size=\"sm\">Edge Gate<\/td><td data-col-size=\"sm\" data-start=\"3745\" data-end=\"3753\">\u2605\u2605\u2605\u2606\u2606<\/td><td data-col-size=\"sm\" data-start=\"3753\" data-end=\"3758\">No<\/td><td data-col-size=\"sm\" data-start=\"3758\" data-end=\"3767\">Large<\/td><\/tr><tr data-start=\"3768\" data-end=\"3809\"><td data-start=\"3768\" data-end=\"3779\" data-col-size=\"sm\">Pin Gate<\/td><td data-col-size=\"sm\" data-start=\"3779\" data-end=\"3787\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-col-size=\"sm\" data-start=\"3787\" data-end=\"3793\">Yes<\/td><td data-col-size=\"sm\" data-start=\"3793\" data-end=\"3809\">Small\u2013Medium<\/td><\/tr><tr data-start=\"3810\" data-end=\"3850\"><td data-start=\"3810\" data-end=\"3827\" data-col-size=\"sm\">Submarine Gate<\/td><td data-start=\"3827\" data-end=\"3835\" data-col-size=\"sm\">\u2605\u2605\u2605\u2605\u2606<\/td><td data-col-size=\"sm\" data-start=\"3835\" data-end=\"3841\">Yes<\/td><td data-col-size=\"sm\" data-start=\"3841\" data-end=\"3850\">Small<\/td><\/tr><tr data-start=\"3851\" data-end=\"3895\"><td data-start=\"3851\" data-end=\"3862\" data-col-size=\"sm\">Fan Gate<\/td><td data-col-size=\"sm\" data-start=\"3862\" data-end=\"3870\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-col-size=\"sm\" data-start=\"3870\" data-end=\"3875\">No<\/td><td data-col-size=\"sm\" data-start=\"3875\" data-end=\"3895\">Large Flat Parts<\/td><\/tr><tr data-start=\"3896\" data-end=\"3941\"><td data-start=\"3896\" data-end=\"3907\" data-col-size=\"sm\">Tab Gate<\/td><td data-col-size=\"sm\" data-start=\"3907\" data-end=\"3915\">\u2605\u2605\u2605\u2605\u2606<\/td><td data-col-size=\"sm\" data-start=\"3915\" data-end=\"3920\">No<\/td><td data-col-size=\"sm\" data-start=\"3920\" data-end=\"3941\">Transparent Parts<\/td><\/tr><tr data-start=\"3942\" data-end=\"3987\"><td data-start=\"3942\" data-end=\"3954\" data-col-size=\"sm\">Film Gate<\/td><td data-start=\"3954\" data-end=\"3962\" data-col-size=\"sm\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-col-size=\"sm\" data-start=\"3962\" data-end=\"3967\">No<\/td><td data-col-size=\"sm\" data-start=\"3967\" data-end=\"3987\">Large Thin Parts<\/td><\/tr><tr data-start=\"3988\" data-end=\"4034\"><td data-start=\"3988\" data-end=\"4000\" data-col-size=\"sm\">Ring Gate<\/td><td data-start=\"4000\" data-end=\"4008\" data-col-size=\"sm\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-start=\"4008\" data-end=\"4013\" data-col-size=\"sm\">No<\/td><td data-col-size=\"sm\" data-start=\"4013\" data-end=\"4034\">Cylindrical Parts<\/td><\/tr><tr data-start=\"4035\" data-end=\"4085\"><td data-start=\"4035\" data-end=\"4052\" data-col-size=\"sm\">Diaphragm Gate<\/td><td data-col-size=\"sm\" data-start=\"4052\" data-end=\"4060\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-col-size=\"sm\" data-start=\"4060\" data-end=\"4065\">No<\/td><td data-col-size=\"sm\" data-start=\"4065\" data-end=\"4085\">Hollow Cylinders<\/td><\/tr><tr data-start=\"4086\" data-end=\"4130\"><td data-start=\"4086\" data-end=\"4101\" data-col-size=\"sm\">Hot Tip Gate<\/td><td data-col-size=\"sm\" data-start=\"4101\" data-end=\"4109\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-col-size=\"sm\" data-start=\"4109\" data-end=\"4115\">Yes<\/td><td data-col-size=\"sm\" data-start=\"4115\" data-end=\"4130\">High Volume<\/td><\/tr><tr data-start=\"4131\" data-end=\"4178\"><td data-start=\"4131\" data-end=\"4144\" data-col-size=\"sm\">Valve Gate<\/td><td data-col-size=\"sm\" data-start=\"4144\" data-end=\"4152\">\u2605\u2605\u2605\u2605\u2605<\/td><td data-col-size=\"sm\" data-start=\"4152\" data-end=\"4158\">Yes<\/td><td data-col-size=\"sm\" data-start=\"4158\" data-end=\"4178\">Premium Products<\/td><\/tr><\/tbody><\/table><\/div><\/div><hr data-start=\"4180\" data-end=\"4183\" \/><h1 data-section-id=\"uo00e2\" data-start=\"4185\" data-end=\"4213\">Hot Runner vs. Cold Runner<\/h1><p data-start=\"4215\" data-end=\"4352\">Selecting between a hot runner and a cold runner system depends on production volume, material cost, product quality, and tooling budget.<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 346px;\" width=\"1052\" data-start=\"4354\" data-end=\"4729\"><thead data-start=\"4354\" data-end=\"4392\"><tr data-start=\"4354\" data-end=\"4392\"><th class=\"last:pe-10\" data-start=\"4354\" data-end=\"4364\" data-col-size=\"sm\">Feature<\/th><th class=\"last:pe-10\" data-start=\"4364\" data-end=\"4377\" data-col-size=\"sm\">Hot Runner<\/th><th class=\"last:pe-10\" data-start=\"4377\" data-end=\"4392\" data-col-size=\"sm\">Cold Runner<\/th><\/tr><\/thead><tbody data-start=\"4433\" data-end=\"4729\"><tr data-start=\"4433\" data-end=\"4470\"><td data-start=\"4433\" data-end=\"4456\" data-col-size=\"sm\">Initial Tooling Cost<\/td><td data-col-size=\"sm\" data-start=\"4456\" data-end=\"4463\">High<\/td><td data-col-size=\"sm\" data-start=\"4463\" data-end=\"4470\">Low<\/td><\/tr><tr data-start=\"4471\" data-end=\"4518\"><td data-start=\"4471\" data-end=\"4488\" data-col-size=\"sm\">Material Waste<\/td><td data-col-size=\"sm\" data-start=\"4488\" data-end=\"4502\">Almost None<\/td><td data-col-size=\"sm\" data-start=\"4502\" data-end=\"4518\">Runner Scrap<\/td><\/tr><tr data-start=\"4519\" data-end=\"4563\"><td data-start=\"4519\" data-end=\"4543\" data-col-size=\"sm\">Production Efficiency<\/td><td data-start=\"4543\" data-end=\"4555\" data-col-size=\"sm\">Excellent<\/td><td data-start=\"4555\" data-end=\"4563\" data-col-size=\"sm\">Good<\/td><\/tr><tr data-start=\"4564\" data-end=\"4597\"><td data-start=\"4564\" data-end=\"4577\" data-col-size=\"sm\">Cycle Time<\/td><td data-start=\"4577\" data-end=\"4587\" data-col-size=\"sm\">Shorter<\/td><td data-start=\"4587\" data-end=\"4597\" data-col-size=\"sm\">Longer<\/td><\/tr><tr data-start=\"4598\" data-end=\"4638\"><td data-start=\"4598\" data-end=\"4612\" data-col-size=\"sm\">Maintenance<\/td><td data-start=\"4612\" data-end=\"4627\" data-col-size=\"sm\">More Complex<\/td><td data-start=\"4627\" data-end=\"4638\" data-col-size=\"sm\">Simpler<\/td><\/tr><tr data-start=\"4639\" data-end=\"4682\"><td data-start=\"4639\" data-end=\"4661\" data-col-size=\"sm\">Cosmetic Appearance<\/td><td data-start=\"4661\" data-end=\"4670\" data-col-size=\"sm\">Better<\/td><td data-start=\"4670\" data-end=\"4682\" data-col-size=\"sm\">Standard<\/td><\/tr><tr data-start=\"4683\" data-end=\"4729\"><td data-start=\"4683\" data-end=\"4709\" data-col-size=\"sm\">Suitable for Automation<\/td><td data-col-size=\"sm\" data-start=\"4709\" data-end=\"4721\">Excellent<\/td><td data-col-size=\"sm\" data-start=\"4721\" data-end=\"4729\">Good<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"4731\" data-end=\"4878\">Hot runner systems are generally recommended for high-volume production where material savings and automation offset the higher tooling investment.<\/p><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/lK1aJbQ9oBbkBAhVVQRRbeGYRPU4HYZ_0fE7d70ObFWDQzXV6tHLmDlz6y0yhy-77jeSy3HkCyZp5rVNO4VcMy0rkbalQAUjWteA3MDXcZbI9Ew76fMSz4aE9ljEZtx0t5a0Gyfjrf7AfHe2StePNxZr4sgyJ-O3pn0haWqvT_c?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/v5ySMkFnsB16Y3zgweF6Y45BS3TgEsXh0xpe72AltqPjQXpG_hxqdCFjpFJFKTl9OIN2AHrgT6hCcvoBbD-NmmAB-D3-jduS3T6S3hV_P_cxYfZ03cOVdHSXH-rOix14vP1aoHd0jV0RG1GMuq3h3OHQTorx02LtQBRvIESapDrkqjqiQwCbdJhZvNI8yYzg?purpose=fullsize\" width=\"427\" height=\"320\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/e_s0gMjwdaoaQ_4LOaYoMFm6V3J_VU_DZaMP24vgWNa98fPf-bC82UFgSIw3ai4A2pwmHQx9ctooB8304OhE2IkLucWWkWMPW_NTkOfhA2kzZXQhWXhWTZhqpuWwK9AzYH0soavFbyvxLinv5Bs1mUJEdSPQcSoUs7syLGnsFK4?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/rx5nahOn0ZL6NQzjddO6IHyF8ZY2s8sjtsy7Iu9w7iFK33260ZHm8MqiB0mwYWbwYCFqJEfzg660ZFK1nQwlbcOMsQ7BTU2JqCFK1WoLl8SXvgn1asC6rrCKye-ZHJyVPzMgwYDN-yD2HTOVS1qKVZJsLuh_65wMbO_Vvmv96DTqPOwaXYRKUi0Gb-e4iT75?purpose=fullsize\" width=\"385\" height=\"313\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/68AwulOy1TH7mTYjqAGQUDPwVEgQrONc5guZ0EVBmHlHNEGy2pqunFEdVFFgcn-gf7GKi-p3oe1o_pVJgjxPtVb6nRSqqXgJJV1hCmNf8rzzQBVdqmC4Y2soIWOYuSZGfIJ_t2bf7-Cnfrw4Zb50j1Ld-GMAE9zRDrF2sxtW7mo?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/oNBYy17uxLu0lA0k1H_jA83LHKxvYFTP78AxZ3gNfmyMOT5eL8iKml0ENAN4eRvcqQ7hg7XHAim0CRYZtgXK8O6rg3j3BQR_nHvvloIcgrzm081EE3LnFQWFqB8XeT5tWpGd2bJftcjTLD8OFbMjrMvUgKrElKDmkgDrS6gemAbq6YYRosB3oTSYEWPaK9Dn?purpose=fullsize\" width=\"468\" height=\"312\" \/><\/div><\/div><\/div><\/div><hr data-start=\"4946\" data-end=\"4949\" \/><h1 data-section-id=\"1mxedh7\" data-start=\"4951\" data-end=\"4984\">Gate Location Design Principles<\/h1><p data-start=\"4986\" data-end=\"5168\">Choosing the correct gate location is just as important as selecting the gate type. Poor placement can create weld lines, air traps, excessive shrinkage, or visible cosmetic defects.<\/p><h3 data-section-id=\"idiscl\" data-start=\"5170\" data-end=\"5199\">General Design Guidelines<\/h3><ul data-start=\"5201\" data-end=\"5558\"><li data-section-id=\"173g824\" data-start=\"5201\" data-end=\"5257\">Position the gate at the thickest section of the part.<\/li><li data-section-id=\"1hcfpt0\" data-start=\"5258\" data-end=\"5327\">Avoid placing gates on visible cosmetic surfaces whenever possible.<\/li><li data-section-id=\"oix1rk\" data-start=\"5328\" data-end=\"5381\">Promote balanced filling to minimize pressure loss.<\/li><li data-section-id=\"606hsz\" data-start=\"5382\" data-end=\"5441\">Reduce the likelihood of weld lines in high-stress areas.<\/li><li data-section-id=\"15c2ld9\" data-start=\"5442\" data-end=\"5496\">Ensure adequate venting at the end of the flow path.<\/li><li data-section-id=\"mezdyy\" data-start=\"5497\" data-end=\"5558\">Consider automatic gate removal for high-volume production.<\/li><\/ul><p data-start=\"5560\" data-end=\"5665\">Early-stage Moldflow simulation is highly recommended to optimize gate placement before mold fabrication.<\/p><h2 data-section-id=\"u7bqm0\" data-start=\"5672\" data-end=\"5689\">\u00a0<\/h2><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/QDcV4JJDod47zm7sbKHGU3sNKXjqGHfuEIfEpRVZdjzzQcKu0i9xBSbdpLUlb6QCVtTaHk18_IFl-s6C_6G3hi-VYUdty21QEZ7yzK4l_j1qug1uhvP7MUwoW9gJrywFdulI7zw_mB4-wClIF0x2IxuJRLS85NC0iVtU-LfVxkw?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/DUiaVSqxWPKrMcEQE3zbd3KfZ5dfgPm15_VrUdDzk7vpfiLmfWw6o5EWIVtQ4TpKGu61NORQa_hI-yFUKpnFv9ySf5wzx_pLg7OPql3dQJrFaWHOlgqNhSIfqLp55aLpVEI-H7wJRM1L3hW0yJB08Lu_NvVmJtXpqmQ1qpvQtw2b_GW_KfH0Etk7Ic6qw_xy?purpose=fullsize\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/IDyUTvUi8X-d4oTQCqjMmR2en6pXq8itfyFHHjI57T6yOKIGOfHc9NwiIS4Sg7ptEPbzICCli18ldhb1T35cl2ffi0i8y40oAiqIs6nBaKhwEBr5CIEN4aL2Wok2xFClPYCyXs6uGwhfthC0R6SX0tvYMt2rI2IHAsf6sv8GNpc?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/hizxgzBHXdgBmyGpdwVozUsM-5LU2GaISQW1fT8GJCokXkhJLrmBSy_8EN3-izBCTxcc2k1C0fGeDqLFqYBJvX79oBppAw8YfW3GinvWlXlTEmioEJGn9f5tX2YGUW1nFi7IGD9Co1sNgBBic3HEIdENGywtdVbTD_wvwkUnf_E8nT7oBPCjga9C0DX1a-w3?purpose=fullsize\" width=\"680\" height=\"518\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/2upAutRXCPTamm525a_XOHccBhclYpZoonpAVEEAtxAp46EVdsUF3zp3yhkJliyXgcC2eb0N9vHAMMLzj2wrmA4CXtPKz2hGthKwPd69rPQ2u_PVc8jtgvfC39xwbcHoKPAeho-GyxK5YU9lcDB6CeX51uWwTjEoxAJGPcj3XC8?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/7gTLTN1xvxclpjJcNxz2xSHMZ9oTy0brxm756E3xapZJPLRLxs5IvyG4f2WSMwy7zRMOyYDNbm05I4DmY2ap20vQfiy89m-aqtK2Rtj7ALzPC0NIzLnT0dB6qn1fl-VxGFqotMUzIghxJOql-ZEe3MJcpgj0iCRFpZ_fhgYBPgRQaQDD6U5QiwpCby_MzfYq?purpose=fullsize\" width=\"1358\" height=\"741\" \/><\/div><\/div><\/div><\/div><hr data-start=\"5733\" data-end=\"5736\" \/><h1 data-section-id=\"1kh4imz\" data-start=\"5738\" data-end=\"5773\">Common Gate Defects and Solutions<\/h1><p data-start=\"5775\" data-end=\"5877\">Improper gate design or processing conditions may lead to molding defects that affect product quality.<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 378px;\" width=\"1250\" data-start=\"5879\" data-end=\"6559\"><thead data-start=\"5879\" data-end=\"5929\"><tr data-start=\"5879\" data-end=\"5929\"><th class=\"last:pe-10\" data-start=\"5879\" data-end=\"5888\" data-col-size=\"sm\">Defect<\/th><th class=\"last:pe-10\" data-start=\"5888\" data-end=\"5905\" data-col-size=\"md\">Possible Cause<\/th><th class=\"last:pe-10\" data-start=\"5905\" data-end=\"5929\" data-col-size=\"md\">Recommended Solution<\/th><\/tr><\/thead><tbody data-start=\"5982\" data-end=\"6559\"><tr data-start=\"5982\" data-end=\"6071\"><td data-start=\"5982\" data-end=\"5992\" data-col-size=\"sm\">Jetting<\/td><td data-col-size=\"md\" data-start=\"5992\" data-end=\"6033\">Gate too small or high injection speed<\/td><td data-col-size=\"md\" data-start=\"6033\" data-end=\"6071\">Increase gate size or reduce speed<\/td><\/tr><tr data-start=\"6072\" data-end=\"6131\"><td data-start=\"6072\" data-end=\"6085\" data-col-size=\"sm\">Gate Blush<\/td><td data-start=\"6085\" data-end=\"6105\" data-col-size=\"md\">High shear stress<\/td><td data-col-size=\"md\" data-start=\"6105\" data-end=\"6131\">Optimize gate geometry<\/td><\/tr><tr data-start=\"6132\" data-end=\"6217\"><td data-start=\"6132\" data-end=\"6147\" data-col-size=\"sm\">Gate Vestige<\/td><td data-start=\"6147\" data-end=\"6168\" data-col-size=\"md\">Poor gate trimming<\/td><td data-col-size=\"md\" data-start=\"6168\" data-end=\"6217\">Improve gate design or use automatic degating<\/td><\/tr><tr data-start=\"6218\" data-end=\"6289\"><td data-start=\"6218\" data-end=\"6231\" data-col-size=\"sm\">Short Shot<\/td><td data-start=\"6231\" data-end=\"6254\" data-col-size=\"md\">Inadequate gate size<\/td><td data-col-size=\"md\" data-start=\"6254\" data-end=\"6289\">Enlarge gate or improve venting<\/td><\/tr><tr data-start=\"6290\" data-end=\"6382\"><td data-start=\"6290\" data-end=\"6303\" data-col-size=\"sm\">Sink Marks<\/td><td data-col-size=\"md\" data-start=\"6303\" data-end=\"6326\">Insufficient packing<\/td><td data-col-size=\"md\" data-start=\"6326\" data-end=\"6382\">Increase holding pressure or redesign wall thickness<\/td><\/tr><tr data-start=\"6383\" data-end=\"6485\"><td data-start=\"6383\" data-end=\"6391\" data-col-size=\"sm\">Flash<\/td><td data-start=\"6391\" data-end=\"6439\" data-col-size=\"md\">Excessive injection pressure or poor mold fit<\/td><td data-start=\"6439\" data-end=\"6485\" data-col-size=\"md\">Reduce pressure and improve mold precision<\/td><\/tr><tr data-start=\"6486\" data-end=\"6559\"><td data-start=\"6486\" data-end=\"6499\" data-col-size=\"sm\">Burn Marks<\/td><td data-start=\"6499\" data-end=\"6513\" data-col-size=\"md\">Trapped air<\/td><td data-start=\"6513\" data-end=\"6559\" data-col-size=\"md\">Improve venting and optimize gate location<\/td><\/tr><\/tbody><\/table><\/div><\/div><h2 data-section-id=\"u7bqm0\" data-start=\"6566\" data-end=\"6583\">\u00a0<\/h2><div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/52gnrVDuQ57_x_KjzhODjf63YkEsmdA3q9x0ERN_a89KngwZIzSnwTyqSYh8wgmeNyFC6DTnqK-H8GTTAq76VXBZhQydswZmCmZ7QHfqGeR2P9kHH_AHkv7gftSDM58_Z0-47tNL7B9L_Z89FYI-yF8Znx2rzCCUfWX44UKPMMk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/BDFcTRujXlW6W3GAYSWDYIbaJzPFwpnBErYZHLKN7bITXVYP3dBLhvA8wcl-8j8xfP5lN9FQLvWpYY9cMS0IFLR1FwECnuZ9nvR633s3s6dPfYaVnOpL5IFJjawPdbguv5lyMyTH8XT7G2ALtLy05AYjvla0qQVMgfCJ8yOfUSh0DbGUjlhlPYvaO8XSJ_3Q?purpose=fullsize\" width=\"564\" height=\"564\" \/><img loading=\"lazy\" decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/w_SZ3qN63XwthqoxorcUawrxLoCyA2Q2YUlOKWzBlP3pDeiVs4EEyFIPy3S0kJvdapMi7ZcbLvL5LnvM1x043nuJmnMdOiRudgFEksovbg0j4wSZcTRkp7FX1tQWpXY8QNMGgb45ghPZfSzgm6Lj9jAUbBxYWgaFLIOz6ZUXrDU?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/fqCoWNq96MHAyEVFiG9E9kAasDCzJGE59Q8Jy1rahGyAouVLXF8VW5ux0_YB-D_KjdHEUzmhbCQY3Ehj_VzVo92hUddyPQ2OE6m34J1YLcmFH3B-NYZP9YH9QcGc6ZnejIp1yTj5Rk9wShJMwm9x1peF84iRaMK9DtXHAQfY3ctzgjwSYiyhHBPkHUrX-KX3?purpose=fullsize\" width=\"889\" height=\"569\" \/><\/div><\/div><\/div><div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"><div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><div>\u00a0<\/div><\/div><\/div><\/div><hr data-start=\"6627\" data-end=\"6630\" \/><h1 data-section-id=\"qqev0m\" data-start=\"6632\" data-end=\"6673\">How Samgo Selects the Right Gate Design<\/h1><p data-start=\"6675\" data-end=\"6761\">At Samgo, gate selection is based on engineering analysis rather than trial and error.<\/p><p data-start=\"6763\" data-end=\"6786\">Our engineers evaluate:<\/p><ul data-start=\"6788\" data-end=\"7010\"><li data-section-id=\"p131vd\" data-start=\"6788\" data-end=\"6806\">Product geometry<\/li><li data-section-id=\"6qqm42\" data-start=\"6807\" data-end=\"6836\">Plastic material properties<\/li><li data-section-id=\"1emu91u\" data-start=\"6837\" data-end=\"6866\">Wall thickness distribution<\/li><li data-section-id=\"1m7wldb\" data-start=\"6867\" data-end=\"6900\">Surface appearance requirements<\/li><li data-section-id=\"dt0w1v\" data-start=\"6901\" data-end=\"6920\">Production volume<\/li><li data-section-id=\"egzbsr\" data-start=\"6921\" data-end=\"6946\">Automation requirements<\/li><li data-section-id=\"vkih09\" data-start=\"6947\" data-end=\"6976\">Moldflow simulation results<\/li><li data-section-id=\"mlp3ov\" data-start=\"6977\" data-end=\"7010\">Customer quality specifications<\/li><\/ul><p data-start=\"7012\" data-end=\"7205\">By combining DFM analysis with Moldflow simulation, we identify the optimal gate type and location before mold manufacturing begins, reducing mold modifications and shortening development time.<\/p><hr data-start=\"7207\" data-end=\"7210\" \/><h1 data-section-id=\"hkd5a4\" data-start=\"7212\" data-end=\"7240\">Frequently Asked Questions<\/h1><h3 data-section-id=\"x5q2t\" data-start=\"7242\" data-end=\"7300\">Which gate type provides the best cosmetic appearance?<\/h3><p data-start=\"7302\" data-end=\"7436\">Valve gates and pin gates generally produce the smallest gate vestige and are preferred for products with high aesthetic requirements.<\/p><h3 data-section-id=\"9s7vt5\" data-start=\"7438\" data-end=\"7480\">When should I use a hot runner system?<\/h3><p data-start=\"7482\" data-end=\"7635\">Hot runner systems are ideal for high-volume production, engineering plastics, and applications where material waste and cycle time need to be minimized.<\/p><h3 data-section-id=\"19os67o\" data-start=\"7637\" data-end=\"7678\">Can one mold use multiple gate types?<\/h3><p data-start=\"7680\" data-end=\"7793\">Yes. Complex molds may combine valve gates, pin gates, or fan gates to optimize filling and improve part quality.<\/p><h3 data-section-id=\"1fmnc15\" data-start=\"7795\" data-end=\"7840\">How is the best gate location determined?<\/h3><p data-start=\"7842\" data-end=\"7991\">Gate location is typically determined through Moldflow analysis, considering material flow, shrinkage, weld lines, air traps, and packing efficiency.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-699bcfb e-flex e-con-boxed e-con e-parent\" data-id=\"699bcfb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c0e4fc9 elementor-widget elementor-widget-text-editor\" data-id=\"c0e4fc9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h1 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"fsb6xx\" data-start=\"9031\" data-end=\"9043\">Conclusion<\/h1><p data-start=\"9045\" data-end=\"9544\">The injection gate is one of the smallest yet most influential features in an injection mold. Its design directly affects melt flow, packing pressure, cooling behavior, part appearance, dimensional stability, and production efficiency. Selecting the right gate type\u2014whether an edge gate for simplicity, a submarine gate for automatic degating, a fan gate for thin-wall parts, or a valve gate for premium cosmetic products\u2014can significantly improve product quality while reducing manufacturing costs.<\/p><p data-start=\"9546\" data-end=\"9915\">Successful gate design requires more than experience. It demands a thorough understanding of material behavior, part geometry, production volume, and mold construction. By integrating DFM analysis, Moldflow simulation, and precision mold engineering, manufacturers can optimize gate selection before tooling begins, minimizing defects and shortening development cycles.<\/p><p data-start=\"9917\" data-end=\"10123\">At Samgo, our engineering team applies these principles to every project, delivering injection molds that achieve reliable filling, consistent quality, and efficient mass production for customers worldwide.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0094161 elementor-widget elementor-widget-text-editor\" data-id=\"0094161\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"text-align: center;\">Get the latest price? 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Although the gate is usually the smallest feature in the runner system, it has a significant influence on melt flow, packing pressure, cooling efficiency, part appearance, cycle time, and overall product quality.<\/p>\n<p>A poorly designed gate can cause numerous molding defects, including short shots, sink marks, weld lines, jetting, burn marks, excessive gate vestige, and part warpage. Conversely, selecting the appropriate gate type and location helps ensure balanced filling, consistent dimensional accuracy, and efficient production.<\/p>","protected":false},"author":1,"featured_media":999,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[34,37,31,33,35,32,36,38],"class_list":["post-992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mold-technical","tag-edge-gate","tag-hot-runner-gate","tag-injection-gate-types","tag-injection-mold-gate","tag-pin-gate","tag-plastic-injection-gate-design","tag-submarine-gate","tag-valve-gate"],"_links":{"self":[{"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/posts\/992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/comments?post=992"}],"version-history":[{"count":6,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/posts\/992\/revisions"}],"predecessor-version":[{"id":1005,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/posts\/992\/revisions\/1005"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/media\/999"}],"wp:attachment":[{"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/media?parent=992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/categories?post=992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/samgomold.com\/de\/wp-json\/wp\/v2\/tags?post=992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}