{"id":3695,"date":"2026-08-05T09:52:00","date_gmt":"2026-08-05T07:52:00","guid":{"rendered":"https:\/\/www.tecnoforsrl.com\/?p=3695"},"modified":"2026-08-05T09:52:00","modified_gmt":"2026-08-05T07:52:00","slug":"case-study-grundtrager-ersatzrad","status":"publish","type":"post","link":"https:\/\/www.tecnoforsrl.com\/en\/case-study-grundtrager-ersatzrad\/","title":{"rendered":"Case Study &#8211; Grundtr\u00e4ger Ersatzrad"},"content":{"rendered":"<h2>Base carrier spare wheel in EN AB 43300<\/h2>\n<p>External spare wheel carrier manufactured in EN AB 43300 (AlSi10Mg) by gravity die casting. Engineered for heavy-duty automotive use to Mercedes-Benz standards. <\/p>\n<h3><b>Main production challenges<\/b><\/h3>\n<ul>\n<li>Thin wall geometry requiring controlled filling and thermal management to limit porosity and solidification defects.<\/li>\n<li>Limited draft angles complicating die extraction and increasing risk of marks and residual stress.<\/li>\n<li>Critical functional references addressed with post-cast precision CNC machining.<\/li>\n<li>Process summary and solutions<\/li>\n<li>Casting simulations to optimize gating, feeding and cooling sequence.<\/li>\n<li>Die thermal control and feeding strategies to minimize lunkers and porosity.<\/li>\n<li>Precision CNC machining for functional seats.<\/li>\n<li>Surface treatments: 25 \u00b5m KTL and Decklack topcoat for durability and corrosion protection.<\/li>\n<\/ul>\n<h3><b>Key technical specs<\/b><\/h3>\n<p><b>Material<\/b>: EN AB 43300 AlSi10Mg<br \/>\n<b>Process: <\/b>Gravity die Casting<br \/>\n<b>Finish:<\/b> KTL 25 \u00b5m; Decklack<br \/>\n<strong>Application: <\/strong>External spare wheel carrier for SUVs and off-road vehicles<\/p>\n<h3>OEM benefits<\/h3>\n<ul>\n<li>Higher casting density and repeatability vs sand casting.<\/li>\n<li>Improved mechanical strength and dimensional control for off-road demands.<\/li>\n<li>Assembly-ready finish with OEM-grade corrosion protection.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Base carrier spare wheel in EN AB 43300 External spare wheel carrier manufactured in EN AB 43300 (AlSi10Mg) by gravity die casting. Engineered for heavy-duty automotive use to Mercedes-Benz standards&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":1602,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[31],"tags":[],"table_tags":[],"class_list":["post-3695","post","type-post","status-publish","format-standard","has-post-thumbnail","category-case-study-en"],"_links":{"self":[{"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/posts\/3695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/comments?post=3695"}],"version-history":[{"count":1,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/posts\/3695\/revisions"}],"predecessor-version":[{"id":3696,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/posts\/3695\/revisions\/3696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/media\/1602"}],"wp:attachment":[{"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/media?parent=3695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/categories?post=3695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/tags?post=3695"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.tecnoforsrl.com\/en\/wp-json\/wp\/v2\/table_tags?post=3695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}