{"id":22343,"date":"2024-07-30T12:01:56","date_gmt":"2024-07-30T04:01:56","guid":{"rendered":"https:\/\/firstmold.com\/?post_type=case-study&#038;p=22343"},"modified":"2025-07-24T11:08:38","modified_gmt":"2025-07-24T03:08:38","slug":"engine-valve-cover-manufacturing","status":"publish","type":"case-study","link":"https:\/\/firstmold.com\/de\/case-study\/engine-valve-cover-manufacturing\/","title":{"rendered":"Herstellung von Motorventilabdeckungen im Druckgussverfahren"},"content":{"rendered":"<p>Ein Automobilkunde aus Mexiko wandte sich an First Mold, um eine Reihe von Ventilabdeckungen f\u00fcr den Motor herzustellen. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-requirements-for-engine-valve-covers-manufacturing\">Anforderungen f\u00fcr die Herstellung von Motorventildeckeln<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Material<\/strong>: Leichte und dennoch stabile Aluminiumlegierung (AlSi10Mg) zur Verringerung des Fahrzeuggewichts und Verbesserung der Kraftstoffeffizienz.<\/li>\n\n\n\n<li><strong>Oberfl\u00e4che<\/strong>: Eine glatte, korrosionsbest\u00e4ndige Oberfl\u00e4che mit einer Toleranz von \u00b10,1 mm.<\/li>\n\n\n\n<li><strong>Produktionsvolumen<\/strong>: 50.000 Einheiten pro Jahr.<\/li>\n\n\n\n<li><strong>Kosteneffizienz<\/strong>: Wettbewerbsf\u00e4hige Preise bei gleichbleibend hoher Qualit\u00e4t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-engine-valve-covers-manufacturing-process\">Herstellungsverfahren f\u00fcr Motorventilabdeckungen<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-design-review-and-tooling-development\">Entwurfspr\u00fcfung und Tooling-Entwicklung<\/h3>\n\n\n\n<p>Nach Erhalt des Entwurfs von diesem Kunden f\u00fchrte das Ingenieurteam von First Mold eine gr\u00fcndliche <a href=\"https:\/\/firstmold.com\/de\/guides\/dfm\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Entwurfspr\u00fcfung<\/strong><\/a> um die Herstellbarkeit zu gew\u00e4hrleisten. Das Team identifizierte potenzielle Probleme wie d\u00fcnne Wandabschnitte und komplexe Geometrien, die zu Gussfehlern f\u00fchren k\u00f6nnten. Es wurde eine ma\u00dfgeschneiderte Form entworfen, die Merkmale wie optimierte <a href=\"https:\/\/firstmold.com\/de\/guides\/injection-molding-gate\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Anschnitt- und Entl\u00fcftungssysteme<\/strong><\/a> um den Materialfluss zu verbessern und die Porosit\u00e4t zu verringern.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-die-casting-process\">Druckgussverfahren<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Werkzeugvorbereitung<\/strong>: Die Form wurde auf 200 \u00b0C vorgeheizt, um einen Temperaturschock zu vermeiden und einen gleichm\u00e4\u00dfigen Materialfluss zu gew\u00e4hrleisten.<\/li>\n\n\n\n<li><strong>Gie\u00dfen<\/strong>: Eine geschmolzene Aluminiumlegierung wurde in die <a href=\"https:\/\/firstmold.com\/de\/guides\/mold-cavity-and-mold-core\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Formhohlraum<\/strong><\/a> bei einem Druck von 1.500 bar<\/li>\n\n\n\n<li><strong>K\u00fchlung und Auswurf<\/strong>: Das Teil wurde abgek\u00fchlt und erstarrte innerhalb von 30 Sekunden, gefolgt von einem automatischen Auswurf aus der Matrize.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-finishing-and-quality-control\">Endbearbeitung und Qualit\u00e4tskontrolle<\/h3>\n\n\n\n<p>Nach dem Gie\u00dfen wurden die Ventildeckel einer Reihe von Endbearbeitungsprozessen unterzogen, darunter Entgraten, Kugelstrahlen und maschinelle Bearbeitung. Eine hochwertige Pulverbeschichtung wurde aufgetragen, um die Korrosionsbest\u00e4ndigkeit und die \u00c4sthetik zu verbessern.<\/p>\n\n\n\n<p>First Mold verwendet strenge <a href=\"https:\/\/firstmold.com\/de\/quality-control\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ma\u00dfnahmen zur Qualit\u00e4tskontrolle<\/strong><\/a>einschlie\u00dflich der Ma\u00dfpr\u00fcfung mit Hilfe von Koordinatenmessger\u00e4ten (CMM) und R\u00f6ntgeninspektion zur Erkennung interner Defekte.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-challenges-and-solutions-in-engine-valve-cover-manufacturing\">Herausforderungen und L\u00f6sungen bei der Herstellung von Motorventilabdeckungen<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-porosity-issues\">Probleme mit der Porosit\u00e4t<\/h3>\n\n\n\n<p><strong>Ausgabe<\/strong>: W\u00e4hrend der ersten Produktionsphase wiesen einige Ventildeckel Porosit\u00e4t auf, ein \u00fcblicher Druckgussfehler, der durch das Vorhandensein kleiner Hohlr\u00e4ume oder Gasblasen im Metall gekennzeichnet ist. Dieser Fehler beeintr\u00e4chtigte die strukturelle Integrit\u00e4t der Teile.<\/p>\n\n\n\n<p><strong>L\u00f6sung<\/strong>: Das Ingenieurteam setzte ein vakuumunterst\u00fctztes Druckgussverfahren ein, das den Lufteinschluss erheblich reduzierte und einen dichten, fehlerfreien Guss gew\u00e4hrleistete.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-warpage\">Verzug<\/h3>\n\n\n\n<p><strong>Ausgabe<\/strong>: Die komplexe Konstruktion f\u00fchrte w\u00e4hrend des Abk\u00fchlens zu einem leichten Verzug, der die Ebenheit des Teils beeintr\u00e4chtigte. Verzug ist ein h\u00e4ufiges Problem beim Druckguss, das durch ungleichm\u00e4\u00dfige Abk\u00fchlraten oder Spannungen im Material verursacht wird.<\/p>\n\n\n\n<p><strong>L\u00f6sung<\/strong>: Durch die Optimierung der K\u00fchlrate und die Neugestaltung der K\u00fchlkan\u00e4le in der Matrize erreichte First Mold eine gleichm\u00e4\u00dfige K\u00fchlung, die den Verzug minimiert und die Ma\u00dfhaltigkeit gew\u00e4hrleistet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-results\">Ergebnisse<\/h2>\n\n\n\n<p>First Mold hat f\u00fcr diesen Kunden erfolgreich 9000 St\u00fcck hochwertige Motorventilabdeckungen hergestellt, und wir haben viel Lob von ihm erhalten.<\/p>","protected":false},"excerpt":{"rendered":"<p>First Mold zeichnet sich durch die Herstellung hochwertiger Ventilabdeckungen aus, meistert Herausforderungen und liefert pr\u00e4zise, kosteneffiziente Teile.<\/p>","protected":false},"author":2,"featured_media":22351,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"case-study-category":[89],"case-study-tag":[72],"class_list":["post-22343","case-study","type-case-study","status-publish","has-post-thumbnail","hentry","case-study-category-die-casting-cases","case-study-tag-automotive"],"acf":{"photo_gallery":{"case_study_gallery":[[{"id":22352,"title":"The inner surface of the engine valve cover","caption":"The inner surface of the engine valve cover","full_image_url":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/07\/The-inner-surface-of-the-engine-valve-cover.webp","thumbnail_image_url":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/07\/The-inner-surface-of-the-engine-valve-cover-150x150.webp","large_srcset":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/07\/The-inner-surface-of-the-engine-valve-cover.webp 800w, 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