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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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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Coil set

Forming high-strength materials

January 31, 2002

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Various shape defects can be encountered in flat-rolled ferrous and nonferrous strip. Knowing their mechanics and origins and how to correct them can be very useful in times of need.

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The HOW, WHAT, and WHY of liquid impact forming

January 24, 2002

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Liquid impact forming, a patented process developed by Greenville Tool & Die Co., Greenville, Mich., uses a conventional stamping press with a liquid medium to manufacture parts that otherwise would require hydroforming.

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How link motion affects blanking, feeding, and inertia on mechanical presses

January 10, 2002

You can reduce shock and vibration in your press operations by modifying your press's slide motion to more effective absorb the press's force.

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Press feed options for stampers

January 10, 2002

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The two basic press feed types commonly in use today are roll feeds and gripper feeds. Roll feeds, as the name implies, use rollers to move the material into the tool, while gripper feeds employ gripping clamps and a linear motion to move the strip.

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The basics of uncoiling

December 13, 2001

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A review of the basic components of a coil handling system which covers servo drive roll feeds, cradles and reels, straighteners and combination units.

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