What is passing?

After the recent posts on failure prediction based on FLCs, several inquiries arrived through the blog and social media, regarding interpretation of other outputs for predicting failure modes. Commenters wanted to know the values, for various result variables, that might define…

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Lately, one of the most frequently asked questions in metal forming simulation has been “Can your software model the effects of a servo press?” The answer to this question has been YES and NO. It’s YES because, with most metal…

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In our previous post on the stamping system, several environmental variables within production sheet metal stamping are mentioned. In that post we listed variables such as blank surface, blank coating, tool surface, tool coating, and blank/die lubrication. These variables are…

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The blank is one of the first parameters defined in a stamping simulation; it’s mechanical properties, shape, and location in the tool. However, many engineers underestimate the impact that the assumed blank shape and location will have on the final…

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There is a long history of people promoting the idea of simultaneous engineering of product and processes. However, in many cases, the term “simultaneous engineering” is generally a euphemism for early hand-off (or outright throwing over the wall) of preliminary…

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Springback compensation is one of the key challenges in the field of die face engineering. We have mentioned the challenges with compensating springback several times within this blog (1 link, another link, and one more link) . In those earlier posts, we mentioned…

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The Stamping System

A recurring theme on this blog, so far, has been sources of variation in production that might not be apparent to engineers when defining, running, and evaluating a single simulation on any specific product/process design. Comments on the blog and…

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Earlier this year AutoForm started this blog, “We Think In Sheet Metal”. Our goal: to communicate directly with you—the metal forming and engineering community.  Here are some of our recent blog posts; please share them with your colleagues, customers, and…

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When a closed section part is designed for manufacture, part shape, material grade, and wall thickness are often driven by the proposed hydroforming technology. Historically, suppliers dictate which process would be applied. Suppliers may specialize in one process over another;…

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Has it ever happened to you? A simulation report shows a design is safe – green with no splitting failures, no red or yellow colored areas. But when reviewing the design file, you find issues that were not reported or…

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