Stamping

Whether you're using a high-speed stamping press to make simple parts at breakneck speeds or doing something really tricky, like deep drawing a material that puts up a lot of resistance, the information in this technology area is sure to help. The articles, case studies, and press releases cover stamping presses, lubricants, and materials.

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Ask the Stamping Expert: The 10 Tooling Laws explained

March 11, 2016

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Q: In your last column you listed the 10 Tooling Laws. I had never seen these before. Can you please explain each law in more detail? A: I drafted these laws years ago out of necessity. After more than 35 years of experience in the stamping field - - many as a master toolmaker, then as a...

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Die springs suitable for high-volume, standard production capacities

March 11, 2016

Wilson Tool International® offers coil and nitrogen die springs from Special Springs for stamping operations. Part of the Impax Tooling Solutions line of Wilson Tool products, the springs are designed for use in high-volume and standard production capacities. Each coil die spring is...

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Ask the Stamping Expert: When is a WEDM purchase justifiable?

March 11, 2016

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A stamper is getting pressure from customers to add WEDM to reduce costs. Thomas Vacca advises him on how to justify the purchase.

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Ask the Stamping Expert: How can we maximize our tooling’s hits per service?

March 10, 2016

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Q: We are running high-strength, low-alloy (HSLA) brackets for a large aerospace firm. We cannot get the hits per service we need from our tooling and are struggling to meet production requirements. Any advice? A: Regardless of how many hits per service you get off a tool, you always want to...

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Ask the Stamping Expert: Why does tooling fail during coining and forming operations?

March 10, 2016

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Q: In our stamping division, we do a lot of coining and forming of 300 and 400 series stainless steels from 0.030 to 0.090 in. thick. We coin up to a 30 percent reduction in thickness and form multiple bends with very tight radii. Our punches and form die inserts fail. They break, crack, chip, or...

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Ask the Stamping Expert: How do I calculate shear pressure when figuring stamping die tonnage?

March 9, 2016

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Q: I read the article “How can I reduce snap-through condition effects?” in the September/October 2012 STAMPING Journal®. If I understand the article correctly, you do not want to stagger the punches too much to prevent the stored energy from releasing before the next set of punches hit. If...

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R&D Update: Lightweighting in the automotive industry using sheet metal forming, Part 2

March 9, 2016

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Editor’s Note: Part I of this article appeared in the January/February 2016 issue.

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Ask the Stamping Expert: Why does my tooling yield such big variation?

March 9, 2016

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Q: My company stamps right-side and left-side links for conveyor belts. The peanut-shaped parts, made in a changeover tool, are about 0.1 in. thick, 1.5 in. wide, and 3 in. long. Half of the part (lengthwise) is coined offset, one material thickness in depth. This is in addition to a number of...

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Ask the Stamping Expert: What's the best-in-class process for developing a progressive-stamping die?

March 8, 2016

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Q: What is the best-in-class process for developing a new progressive-stamping die? A: Many tool builders think the process of progressive-die development is undefined and difficult to predict, and therefore takes way too long. Development is costly. It ties up engineering, design, toolroom...

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Ask the Stamping Expert: What type of hydraulic clamps are best for quick-change setups?

March 8, 2016

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Q: What type of hydraulic clamps do you use in your stamping presses for quick-change setups? A: The type of clamp is insignificant; there are many suitable brands. How you use the clamp is the important thing. Before you get into a true lean die-change system, you need to do some homework....

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Die Science: Understanding deep-drawing and stretching variables for best results

March 4, 2016

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Numerous variables affect the success of a deep-drawing or stretching process. Some are major and some minor, but you’ll need to take all into consideration when designing, building, and troubleshooting a drawing or stretching operation. Sheet and Coil Material Material is a major...

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Phoenix Stamping Group verified as veteran-owned small business

March 1, 2016

Phoenix Stamping Group LLC (PSG), Atlanta, has announced that it has been verified by the U.S. Department of Veteran Affairs' Center for Verification and Evaluation (CVE) as a veteran-owned small business (VOSB). The company has been added to the Veteran Business database (vip.vetbiz.gov/). PSG...

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AP&T first to produce line for hot forming of aluminum with HFQ

February 25, 2016

AP&T, with a U.S. location in Monroe, N.C., has developed what it says is the world’s first production line for hot forming of aluminum with the HFQ® (solution heat treatment, forming and in-die quenching) method. This technology enables one-step manufacturing of parts that have low weight, high...

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Coe Press Equipment ships two feed lines to Takata

February 23, 2016

Coe Press Equipment, Sterling Heights, Mich., has shipped two press feeding lines to Takata’s San Antonio, Texas, stamping plant. Each line comprises an 18-in. ServoMaster™ 3 series roll feed; a style 350 18-in. power straightener; a 24-in., 15,000-lb.-capacity coil reel; and an 18- by...

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Improving metal forming performance

February 18, 2016

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What does your stamping operation do to improve metal forming efficiency? The key is to learn more about the metal, conduct practice runs in the virtual world, and pass along knowledge to co-workers.

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