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: How can I reduce snap-through condition effects?

March 31, 2016 | By Dennis Cattell

In the May/June 2012 “Ask the Expert” column, you discussed the causes of the large vibrational energy wave that must be dissipated by the press structure beyond the shear loads. Is there any way to reduce the vibration? A: Many lamination and blanking dies incorporate moveable stripper...

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Ask the Stamping Expert: Why do press and die problems occur at lower-than-capacity press speeds?

March 31, 2016 | By Dennis Cattell

Q: To improve efficiency and reduce cost in our newly acquired high-speed blanking operation, we have increased press speeds from 225 SPM to 450 SPM. After several successful months, we are experiencing a high number of new press and die problems. The presses are capable of speeds higher than 500...

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Ask the Stamping Expert: Can I pierce material in a progressive die in the opposite direction?

March 31, 2016 | By Thomas Vacca

Q: Do you have much experience with piercing material in the opposite direction than usual in a progressive die? In other words, the slug goes through the punch shoe. A: Yes. This is very doable and not uncommon. I assume you need to do this because the piercing direction is a part-functional...

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Talan hires engineering manager

March 30, 2016

Cleveland-based metal stamping company Talan Products Inc. has hired Fred Chordas as engineering manager. He has 31 years of experience in high-speed stamping, heavy stamping, progressive die, and transfer and line dies. In this position he assists customers in designing products for...

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Ask the Stamping Expert: How do I hold washers in the strip in a compound die?

March 30, 2016 | By Thomas Vacca

Q: Do you have suggestions for holding washers in the strip in a compound die? High-strength, low-alloy material properties change from heat to heat, periodically causing parts to drop out of the strip. For this reason, we blank up and use a knockout bar to eject the parts. A: Two significant...

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What’s sizzling in hot stamping?

March 28, 2016 | By Kate Bachman

This multisource article touches hot stamping's growth and new technologies and approaches to its further development, including pressure controlled hardening, hot forming of aluminum and magnesium, the option of using a servo-mechanical press that has been modified for hot forming as well as a hydraulic press, and secondary processing performed in-die to avoid having to use a laser cutting machine for trimming.

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Hexagon AB acquires Forming Technology Inc.

March 23, 2016

Stockholm-based information technology provider Hexagon AB has announced the acquisition of Forming Technologies Inc. (FTI), Burlington, Ont., a provider of manufacturing software for sheet metal forming. FTI serves OEMs and suppliers in the automotive, aerospace, electronics, and appliance...

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NADDRG to hold deep-drawing research symposium May 12 in Michigan

March 22, 2016

The North American Deep Drawing Research Group (NADDRG) will hold its Spring Symposium, hosted by Aleris, on May 12, 2016, from 7:45 a.m. to 5 p.m. at the Inn at St. John’s Conference Center in Plymouth, Mich. The symposium will comprise informal, off-the-record, in-progress presentations. To...

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JMT Metal Fabrication Machines

March 21, 2016

By: JMT USA

JMT is your source for quality precision fabrication equipment, with machines for every type of metalworking project. For more information on all JMT machines, please visit us at www.JMTUSA.com.

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Die coatings morph to help form AHS aluminum

March 21, 2016 | By Bernard Janoss

A new die coating has been developed to help alleviate complications of forming high-strength aluminum, such as sticking and abrasion.

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Tools for troubleshooting

March 17, 2016 | By Kate Bachman

Trial and error is a difficult, time-consuming, and costly way to try out new parts or find the sources of problems in a stamping operation. Vision systems, “action” cameras, die design simulation, and spectroscopic metallurgy analyzers for material analysis can help stamping manufacturers make adjustments on the front end to save time and money by several magnitudes on the back end.

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Wiegel Tool Works to be featured on March 16 episode of Manufacturing Marvels™

March 16, 2016

Wiegel Tool Works Inc., Wood Dale, Ill., will be featured on the nationally televised show Manufacturing Marvels™ on March 16 at 7:30 p.m. CDT and 8:30 p.m. EDT on the Fox Business Network. This episode showcases the 75-year-old manufacturer’s processes and products, which include a variety...

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Defiance Metal Products awarded Caterpillar certifications

March 14, 2016

Fabricator and stamper Defiance Metal Products’ Heber Springs, Ark., plant has received Caterpillar Supplier Quality Excellence Process (SQEP) certification – Bronze Level. SQEP Bronze Level requirements include quality PPM less than 400, on-time PPAP more than 90 percent, and shipping...

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Ask the Stamping Expert: What do the various press styles have to offer?

March 11, 2016 | By Thomas Vacca

Q: I am having a problem stamping a shallow drawn cup about 0.75 in. deep from 0.045-in. 304 half-hard stainless steel. I’m using a mechanical press. What do other press technologies have to offer? A: Years ago I wrote a brief on the major differences between mechanical and hydraulic presses....

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Ask the Stamping Expert: The 10 Tooling Laws explained

March 11, 2016 | By Thomas Vacca

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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