{"id":775,"date":"2025-08-12T08:00:00","date_gmt":"2025-08-12T08:00:00","guid":{"rendered":"https:\/\/productionary.ai\/?p=775"},"modified":"2025-08-12T09:09:40","modified_gmt":"2025-08-12T09:09:40","slug":"erst-ablaufe-optimieren-dann-investieren","status":"publish","type":"post","link":"https:\/\/productionary.ai\/de\/2025\/08\/12\/erst-ablaufe-optimieren-dann-investieren\/","title":{"rendered":"Erst Abl\u00e4ufe optimieren, dann investieren"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\">Warum Lohnfertiger ihre Abl\u00e4ufe optimieren m\u00fcssen, bevor sie neue Maschinen kaufen<\/mark><\/strong><\/h3>\n\n\n\n<p>In vielen Werkshallen passiert es t\u00e4glich: Der Gesch\u00e4ftsf\u00fchrer \u00e4rgert sich \u00fcber zu lange Lieferzeiten, zu niedrige Termintreue \u2013 und bestellt kurzerhand eine neue Maschine. Das Problem: H\u00e4ufig beschleunigt das die Fertigung nicht, sondern sorgt nur daf\u00fcr, dass noch mehr halbfertige Auftr\u00e4ge in der Halle liegen.<\/p>\n\n\n\n<p>Gerade Lohn- und Auftragsfertiger im <strong>\u201eManufacturing on Demand\u201c<\/strong> brauchen nicht zuerst mehr Kapazit\u00e4t \u2013 sondern mehr Fluss.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><strong>Der gro\u00dfe Irrtum: Mehr Maschinen = k\u00fcrzere Lieferzeit<\/strong><\/mark><\/strong><\/h3>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\" style=\"grid-template-columns:auto 34%\"><div class=\"wp-block-media-text__content\">\n<p>Praxisbeispiele zeigen: In typischen Fertigungsprozessen betr\u00e4gt der <strong>wertsch\u00f6pfende Anteil<\/strong> der Durchlaufzeit oft <strong>nur 5\u201310 %<\/strong> \u2013 der Rest sind Liege-, Warte- und Transportzeiten. In Extremf\u00e4llen liegt der Wert sogar unter 2 % [1][2]. Das hei\u00dft: Selbst, wenn der Bearbeitungsanteil halbiert oder verdoppelt wird, \u00e4ndert sich an der Gesamtdauer fast nichts, solange das Werkst\u00fcck 90 % der Zeit ungenutzt herumliegt.<\/p>\n\n\n\n<p>Das wahre Problem sind <strong>fehlende Steuerung, unklare Priorit\u00e4ten und zu hoher Work in Progress (WIP)<\/strong>. Mehr Maschinen an Nicht-Engpass-Stationen erzeugen nur zus\u00e4tzlichen WIP \u2013 und verl\u00e4ngern so paradoxerweise die Lieferzeiten.<\/p>\n<\/div><figure  class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"400\" alt=\"\" src=\"https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/featured_9.png\" class=\"wp-image-776 size-full\" srcset=\"https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/featured_9.png 400w, https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/featured_9-300x300.png 300w, https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/featured_9-150x150.png 150w, https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/featured_9-12x12.png 12w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><strong><strong>Lean, Wertstromanalyse und TOC: Zahlen, die wachr\u00fctteln<\/strong><\/strong><\/mark><\/strong><\/h3>\n\n\n\n<p>Lean-Analysen und Wertstromaufnahmen zeigen immer wieder:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Durchlaufzeiten<\/strong> lassen sich um 30\u201370 % verk\u00fcrzen, wenn Liegezeiten und WIP reduziert werden [3][4].<\/li>\n\n\n\n<li>Praxisbeispiel Daman Products: <strong>Zykluszeit<\/strong> \u221297 %, <strong>R\u00fcstzeit<\/strong> \u221250 %, Lieferzeit von 4\u20138 Wochen auf 5\u201310 Tage [5].<\/li>\n\n\n\n<li>NCR: <strong>Pufferbestand<\/strong> von 47 auf 5 Tage reduziert, Durchlaufzeit von 15 auf 2 Tage [5].<\/li>\n\n\n\n<li>Cellular Manufacturing-Umstellung bei BAE Systems: <strong>Lieferzeit <\/strong>\u221290 %, WIP \u221270 %, Produktzuverl\u00e4ssigkeit +300 % [6]<\/li>\n\n\n\n<li>SMED-R\u00fcstzeitoptimierung: \u221267,7 % <strong>Werkzeugwechselzeit <\/strong>in der Spritzgussproduktion {7]<\/li>\n<\/ul>\n\n\n\n<p>Diese Werte sind keine Theorie \u2013 sie stammen aus dokumentierten Umstellungen in realen Betrieben. Sie zeigen: <strong>Ablauf- und Steuerungsoptimierung liefert in Monaten, was Maschineninvestitionen oft nicht in Jahren schaffen.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><strong><strong><strong>Warum gerade im Manufacturing-on-Demand das \u00dcberleben davon abh\u00e4ngt<\/strong><\/strong><\/strong><\/mark><\/strong><\/h3>\n\n\n\n<p>Kunden bestellen heute kurzfristig, erwarten sofortige Reaktion und volle Termintreue. Wer dann nicht:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>den <strong>Engpass<\/strong> identifiziert und sch\u00fctzt (Theory of Constraints),<\/li>\n\n\n\n<li><strong>Work in Progress<\/strong> (WIP) begrenzt (Little\u2019s Law),<\/li>\n\n\n\n<li>Reihenfolgen <strong>optimiert <\/strong>und bei St\u00f6rungen <strong>dynamisch neu plant<\/strong>,<\/li>\n<\/ul>\n\n\n\n<p>\u2026der l\u00e4uft Gefahr, teure Maschinen vor sich hin stehen zu lassen, w\u00e4hrend Auftr\u00e4ge trotzdem zu sp\u00e4t rausgehen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><strong><strong><strong><strong>Die drei gr\u00f6\u00dften Hebel \u2013 ohne CAPEX<\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Wertstromanalyse <\/strong>durchf\u00fchren, um Liegezeiten und Verschwendungen sichtbar zu machen.<\/li>\n\n\n\n<li>Einfaches und intuitives<strong> Software-System<\/strong> einf\u00fchren, das finite Kapazit\u00e4tsplanung, Echtzeittransparenz des Wertstroms zeigt, Re-Scheduling und WIP-Limits unterst\u00fctzt<\/li>\n\n\n\n<li><strong>SMED und R\u00fcstoptimierung<\/strong> an Engpassmaschinen, um Stillst\u00e4nde zu minimieren.<\/li>\n<\/ol>\n\n\n\n<p>Der Effekt: <strong>k\u00fcrzere Durchlaufzeiten, h\u00f6here Termintreue und mehr Output \u2013 mit demselben Maschinenpark<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fazit<\/h3>\n\n\n\n<p>In Lohnfertigung und \u201eManufacturing on Demand\u201c ist die <strong>Durchlaufzeit<\/strong> und die <strong>intelligente Orchestrierung<\/strong> seiner bestehenden Ressourcen die wichtigste W\u00e4hrung. Wer zuerst die tote Zeit eliminiert, bevor er in neue Kapazit\u00e4t investiert, sichert sich schnellere Prozesse und mehr Maschinestunden, zufriedenere Kunden und eine solide Basis f\u00fcr Wachstum.<\/p>\n\n\n\n<p>Alles andere ist wie ein gr\u00f6\u00dferer K\u00fchlschrank f\u00fcr denselben Stapel vergessener Lebensmittel.<\/p>\n\n\n\n<p><em>Quellen<\/em><\/p>\n\n\n\n<p class=\"has-small-font-size\">[1] Six Sigma Daily \u2013 <em>What is Value Add vs Non Value Add<\/em> \u2013 <a href=\"https:\/\/www.sixsigmadaily.com\/what-is-value-add-vs-non-value-add\/\">https:\/\/www.sixsigmadaily.com\/what-is-value-add-vs-non-value-add\/<\/a><br>[2] Nigel Thurlow \u2013 <em>All About Lean Metrics<\/em> \u2013 <a href=\"https:\/\/nigelthurlow.com\/all-about-lean-metrics\/\">https:\/\/nigelthurlow.com\/all-about-lean-metrics\/<\/a><br>[3] Lean Community \u2013 <em>Value Added vs Non-Value Added<\/em> \u2013 <a href=\"https:\/\/leancommunity.org\/value-added-vs-non-value-added\/\">https:\/\/leancommunity.org\/value-added-vs-non-value-added\/<\/a><br>[4] 6Sigma.us \u2013 <em>Lean Flow<\/em> \u2013 <a href=\"https:\/\/www.6sigma.us\/lean-six-sigma-articles\/lean-flow\/\">https:\/\/www.6sigma.us\/lean-six-sigma-articles\/lean-flow\/<\/a><br>[5] Wikipedia \u2013 <em>Lean Manufacturing \u2013 Case Studies (Daman Products, NCR)<\/em> \u2013 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Lean_manufacturing\">https:\/\/en.wikipedia.org\/wiki\/Lean_manufacturing<\/a><br>[6] Wikipedia \u2013 <em>Cellular Manufacturing<\/em> \u2013 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cellular_manufacturing\">https:\/\/en.wikipedia.org\/wiki\/Cellular_manufacturing<\/a><br>[7] ResearchGate \u2013 <em>SMED in Injection Molding<\/em> \u2013 <a href=\"https:\/\/www.researchgate.net\/publication\/SMED_injection_molding\">https:\/\/www.researchgate.net\/publication\/SMED_injection_molding<\/a><\/p>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-4eb1d85a-6452-475a-8fe6-c563f08ecef4\" href=\"https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/2025-9_PDNRY_W_Erst-Ablaufe-optimieren-dann-Investieren.pdf\">2025-9_PDNRY_W_Erst Abl\u00e4ufe optimieren, dann Investieren<\/a><a href=\"https:\/\/productionary.ai\/wp-content\/uploads\/2025\/08\/2025-9_PDNRY_W_Erst-Ablaufe-optimieren-dann-Investieren.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-4eb1d85a-6452-475a-8fe6-c563f08ecef4\">Download<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>Warum Lohnfertiger ihre Abl\u00e4ufe optimieren m\u00fcssen, bevor sie neue Maschinen kaufen In vielen Werkshallen passiert es t\u00e4glich: Der Gesch\u00e4ftsf\u00fchrer \u00e4rgert [&hellip;]<\/p>","protected":false},"author":2,"featured_media":776,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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