{"id":2256,"date":"2026-01-05T03:08:16","date_gmt":"2026-01-05T03:08:16","guid":{"rendered":"https:\/\/www.oem-silicone.com\/?p=2256"},"modified":"2026-01-05T08:40:25","modified_gmt":"2026-01-05T08:40:25","slug":"guijiaozhipinkaimoyaozhunbeishenmetuzhichicungongchaibamo","status":"publish","type":"post","link":"https:\/\/www.oem-silicone.com\/en\/news\/2256\/","title":{"rendered":"What do I need to prepare for mold opening of silicone products? Drawings, Dimensional Tolerances, Draft Slope and Mold Life"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Prepare this information before opening the mold, can save a lot of rework<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The most common wastes in silicone molding come from: incomplete data, undefined key dimensions, and unmanufacturable structures. Below is a list of \"molding information + engineering points\".<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">I. What information do you need to provide? (list)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1) Structural drawings<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2D drawing (PDF + editable format recommended)<\/li>\n\n\n\n<li>3D files (STEP\/IGES more commonly used)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) Critical dimensions and tolerances<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Which dimensions affect assembly and sealing (recommended to be marked as critical)<\/li>\n\n\n\n<li>Corresponding tolerance ranges and inspection methods<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3) Material and performance requirements<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Material type: silicone\/rubber\/fluoroelastomer, etc.<\/li>\n\n\n\n<li>Hardness range (Shore A)<\/li>\n\n\n\n<li>Whether it needs to be oil resistant, chemical resistant, flame retardant, weather resistant, etc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4) Appearance and process requirements<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Color (Pantone or sample recommended)<\/li>\n\n\n\n<li>Surface effect: matte\/glossy\/feeling<\/li>\n\n\n\n<li>Whether you need printing, oil spraying, laser engraving, adhesive coating<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5) Quantity and delivery time<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Annual usage\/single order quantity<\/li>\n\n\n\n<li>Targeted Delivery and Mass Production Rhythm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><aside> \u2705<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Clearly writing down \"critical dimensions + tolerances + test methods\" before mold opening is the key to improving delivery quality.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/aside><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Second, the most common engineering pitfalls in the 4 points<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Insufficient slanting of the extraction mold<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The absence of an extraction taper can lead to: difficult mold release, straining, severe burrs, and dimensional instability.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recommendation: Prioritize recognition during the manufacturability review.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) Thin edges\/sharp corners\/deep cavities<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Prone to: lack of glue, tearing, localized lack of strength.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recommendation: Do structural optimization or change the process if necessary.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3) Unreasonable position of parting mold line<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The parting line affects: appearance, sealing surfaces, assembly surfaces.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recommendation: Clearly label the \"appearance\/sealing surfaces\" in the drawings.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4) Tolerances are written too \"idealized\"<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tight tolerances can lead to higher costs and lower yields.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recommendation: Concentrate tolerances on dimensions that really affect function.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Third, what usually determines mold life and cost?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Product structure complexity<\/li>\n\n\n\n<li>Number of cavities<\/li>\n\n\n\n<li>Mold Steel &amp; Surface Treatment<\/li>\n\n\n\n<li>Throughput and maintenance frequency<\/li>\n\n\n\n<li>Availability of secondary process and assembly fixtures<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Fourth, the proofing (T0\/T1) stage is recommended so that acceptance<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Size Measurement: Key dimensions are up to standard<\/li>\n\n\n\n<li>Assembly verification: assembly force, scratches, displacement<\/li>\n\n\n\n<li>Functional verification: sealing\/waterproofing\/rebounding (per target)<\/li>\n\n\n\n<li>Appearance confirmation: mold line, burrs, color difference<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Prepare this information before mold opening, can save a lot of rework Silicone products mold opening the most common waste comes from: incomplete information, key dimensions are not defined, the structure is not manufacturable. [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"iawp_total_views":96,"footnotes":""},"categories":[1,56],"tags":[],"class_list":["post-2256","post","type-post","status-publish","format-standard","hentry","category-news","category-hangyedongtai"],"spectra_custom_meta":{"_edit_lock":["1767582520:1"],"_seopress_robots_primary_cat":["none"],"_uag_custom_page_level_css":[""],"site-sidebar-layout":["default"],"site-content-layout":[""],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"ast-global-header-display":[""],"ast-banner-title-visibility":[""],"ast-main-header-display":[""],"ast-hfb-above-header-display":[""],"ast-hfb-below-header-display":[""],"ast-hfb-mobile-header-display":[""],"site-post-title":[""],"ast-breadcrumbs-content":[""],"ast-featured-img":[""],"footer-sml-layout":[""],"ast-disable-related-posts":[""],"theme-transparent-header-meta":[""],"adv-header-id-meta":[""],"stick-header-meta":[""],"header-above-stick-meta":[""],"header-main-stick-meta":[""],"header-below-stick-meta":[""],"astra-migrate-meta-layouts":["set"],"ast-page-background-enabled":["default"],"ast-page-background-meta":["a:3:{s:7:\"desktop\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"tablet\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"mobile\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}}"],"ast-content-background-meta":["a:3:{s:7:\"desktop\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"tablet\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"mobile\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}}"],"iawp_total_views":["96"],"footnotes":[""],"_edit_last":["1"],"_seopress_redirections_type":["301"],"_seopress_redirections_logged_status":["both"],"_seopress_analysis_target_kw":[""],"_uag_css_file_name":["uag-css-2256.css"],"_uagb_previous_block_counts":["a:90:{s:21:\"uagb\/advanced-heading\";i:0;s:15:\"uagb\/blockquote\";i:0;s:12:\"uagb\/buttons\";i:0;s:18:\"uagb\/buttons-child\";i:0;s:19:\"uagb\/call-to-action\";i:0;s:15:\"uagb\/cf7-styler\";i:0;s:11:\"uagb\/column\";i:0;s:12:\"uagb\/columns\";i:0;s:14:\"uagb\/container\";i:0;s:21:\"uagb\/content-timeline\";i:0;s:27:\"uagb\/content-timeline-child\";i:0;s:14:\"uagb\/countdown\";i:0;s:12:\"uagb\/counter\";i:0;s:8:\"uagb\/faq\";i:0;s:14:\"uagb\/faq-child\";i:0;s:10:\"uagb\/forms\";i:0;s:17:\"uagb\/forms-accept\";i:0;s:19:\"uagb\/forms-checkbox\";i:0;s:15:\"uagb\/forms-date\";i:0;s:16:\"uagb\/forms-email\";i:0;s:17:\"uagb\/forms-hidden\";i:0;s:15:\"uagb\/forms-name\";i:0;s:16:\"uagb\/forms-phone\";i:0;s:16:\"uagb\/forms-radio\";i:0;s:17:\"uagb\/forms-select\";i:0;s:19:\"uagb\/forms-textarea\";i:0;s:17:\"uagb\/forms-toggle\";i:0;s:14:\"uagb\/forms-url\";i:0;s:14:\"uagb\/gf-styler\";i:0;s:15:\"uagb\/google-map\";i:0;s:11:\"uagb\/how-to\";i:0;s:16:\"uagb\/how-to-step\";i:0;s:9:\"uagb\/icon\";i:0;s:14:\"uagb\/icon-list\";i:0;s:20:\"uagb\/icon-list-child\";i:0;s:10:\"uagb\/image\";i:0;s:18:\"uagb\/image-gallery\";i:0;s:13:\"uagb\/info-box\";i:0;s:18:\"uagb\/inline-notice\";i:0;s:11:\"uagb\/lottie\";i:0;s:21:\"uagb\/marketing-button\";i:0;s:10:\"uagb\/modal\";i:0;s:18:\"uagb\/popup-builder\";i:0;s:16:\"uagb\/post-button\";i:0;s:18:\"uagb\/post-carousel\";i:0;s:17:\"uagb\/post-excerpt\";i:0;s:14:\"uagb\/post-grid\";i:0;s:15:\"uagb\/post-image\";i:0;s:17:\"uagb\/post-masonry\";i:0;s:14:\"uagb\/post-meta\";i:0;s:18:\"uagb\/post-taxonomy\";i:0;s:18:\"uagb\/post-timeline\";i:0;s:15:\"uagb\/post-title\";i:0;s:20:\"uagb\/restaurant-menu\";i:0;s:26:\"uagb\/restaurant-menu-child\";i:0;s:11:\"uagb\/review\";i:0;s:12:\"uagb\/section\";i:0;s:14:\"uagb\/separator\";i:0;s:11:\"uagb\/slider\";i:0;s:17:\"uagb\/slider-child\";i:0;s:17:\"uagb\/social-share\";i:0;s:23:\"uagb\/social-share-child\";i:0;s:16:\"uagb\/star-rating\";i:0;s:23:\"uagb\/sure-cart-checkout\";i:0;s:22:\"uagb\/sure-cart-product\";i:0;s:15:\"uagb\/sure-forms\";i:0;s:22:\"uagb\/table-of-contents\";i:0;s:9:\"uagb\/tabs\";i:0;s:15:\"uagb\/tabs-child\";i:0;s:18:\"uagb\/taxonomy-list\";i:0;s:9:\"uagb\/team\";i:0;s:16:\"uagb\/testimonial\";i:0;s:14:\"uagb\/wp-search\";i:0;s:19:\"uagb\/instagram-feed\";i:0;s:10:\"uagb\/login\";i:0;s:17:\"uagb\/loop-builder\";i:0;s:18:\"uagb\/loop-category\";i:0;s:20:\"uagb\/loop-pagination\";i:0;s:15:\"uagb\/loop-reset\";i:0;s:16:\"uagb\/loop-search\";i:0;s:14:\"uagb\/loop-sort\";i:0;s:17:\"uagb\/loop-wrapper\";i:0;s:13:\"uagb\/register\";i:0;s:19:\"uagb\/register-email\";i:0;s:24:\"uagb\/register-first-name\";i:0;s:23:\"uagb\/register-last-name\";i:0;s:22:\"uagb\/register-password\";i:0;s:30:\"uagb\/register-reenter-password\";i:0;s:19:\"uagb\/register-terms\";i:0;s:22:\"uagb\/register-username\";i:0;}"]},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false},"uagb_author_info":{"display_name":"qunhe","author_link":"https:\/\/www.oem-silicone.com\/en\/author\/qunhe\/"},"uagb_comment_info":0,"uagb_excerpt":"\u5f00\u6a21\u524d\u51c6\u5907\u597d\u8fd9\u4e9b\u8d44\u6599\uff0c\u80fd\u7701\u6389\u5f88\u591a\u8fd4\u5de5 \u7845\u80f6\u5236\u54c1\u5f00\u6a21\u6700\u5e38\u89c1\u7684\u6d6a\u8d39\u6765\u81ea\uff1a\u8d44\u6599\u4e0d\u5b8c\u6574\u3001\u5173\u952e\u5c3a\u5bf8\u6ca1\u5b9a\u4e49\u3001\u7ed3\u6784\u4e0d\u53ef\u5236\u9020\u3002&hellip;","_links":{"self":[{"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/posts\/2256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/comments?post=2256"}],"version-history":[{"count":1,"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/posts\/2256\/revisions"}],"predecessor-version":[{"id":2259,"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/posts\/2256\/revisions\/2259"}],"wp:attachment":[{"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/media?parent=2256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/categories?post=2256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oem-silicone.com\/en\/wp-json\/wp\/v2\/tags?post=2256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}