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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Good design, set-up, maintenance can keep dies out of repair shop

June 26, 2002

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Take this old maxim to heart: A stitch in time saves nine. The same goes for die maintenance and repair.

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Giving your press a lift

May 30, 2002

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This article outlines how operational changes, planning, and combinations and adaptations of existing technologies are upgrading quick die change. Die standardization and new technologies, such as mechanical die lifters, box-style lifters rolling bolsters and programmable logic controllers, is making quick die change more efficient and cost effective.

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Improving stamping production end to end

May 30, 2002

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Exploring the benefits of welding coils in roll forming and progressive stamping operations. Welding coils can reduce scrap, downtime, and tooling damage. A variety of coil end joiners are described, such as portable, stationary, single-and double-cut, fully automatic, and semiautomatic.

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Multiblanking line

What's new with multiblanking lines?

May 30, 2002

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Multiblanking lines are used to produce small, accurately shaped blanks directly from large coils. Modern lines can process many different types of material over a range of thicknesses, while still allowing quick changeovers and minimal maintenance. New technology is available in several key areas that limit the capacity of a typical multiblanking line, which include leveling, slitting, feeding, shearing, and stacking.

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Rapid evolution, not revolution

May 16, 2002

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Changes are taking place in stamping operations in the appliance industry, with more on the way. And the science of stamping is improving significantly as a result. In this article, appliance industry executives express their opinions of the state of this technology.

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Sheet hydroforming diagram

Sheet hydroforming in automotive applications

April 15, 2002

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Sheet hydroforming can be used in the automotive industry for forming alloys with low formability and prototype applications, among other handy applications.

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Shock reduction methods for hydraulic presses

March 14, 2002

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Ever wonder how to determine and fix shock on hydraulic pressing operations? The author offers an explanation on how to step a press, reduce blank shock, and eliminate up-stroke shock.

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Galling reduction through die surface treatment

March 14, 2002

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This brief article describes how tool galling occurs in stamping and describes results of tests on how TiCN, Hard-Cr, and CrCN were used on sample parts to help reduce galling.

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Coil feed line machine

Maintaining a coil feed line for optimum production

March 14, 2002

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Looking for maintenance guidelines for coil feed lines? Find them here, in checklist terms, for coil cars, reels,straighteners, threading tables, and feeds.

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Draw punch diagram

Getting the most from your deep-drawn material

March 14, 2002

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Learning how to get every bit of flow out of your metal while minimizing scrap -- doesn't that sound like a good idea?

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What to look for in end-of-arm tooling

February 28, 2002

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Many factors affect the real cost of clamps used in end-of-arm tooling. Their original price is important, but other factors have a major effect on production. Four of the most important are delivery, flexibility, durability, and useful life.

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High-speed feeding techniques

February 19, 2002

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Gripper or roll-type feeds operate on the principle of feeding force, which is a product of the coefficient of friction between the grippers or feed rolls and the material being fed. Reviewing each force as a factor of the feeding equipment or feeding conditions helps in evaluating the feeding process.

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Design rules for forming aluminum stampings—Part 1

February 2, 2002

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This brief overview discusses rules for aluminum stamping involving: die clearance, die radius, punch radius, minimum bend radii, round cups, rectangular box parts, and overhang limit.

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Design rules for forming aluminum stampings—Part 2

February 2, 2002

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Figure 1:Addendum types enable or improve the stamping of a sheet metal part. A draw wall, for example, connects the trim line and the punch opening line.Editor's Note: This column was prepared by the staff of the Engineering Research Center for Net Shape Manufacturing (ERC/ NSM), The Ohio State...

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Warm forming of aluminum alloys

January 31, 2002

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Federal government and U.S. automakers to develop technologies for a newgeneration of vehicles to triple fuel efficiency without sacrificing performance, affordability, or safety.

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