STAMPING Journal®

July/August 2003

STAMPING Journal® is the only industrial publication dedicated solely to serving the needs of the metal stamping market. In 1987 the American Metal Stamping Association broadened its horizons and renamed itself and its publication, known then as Metal Stamping. Print subscriptions are free to qualified stamping professionals in North America.


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Selected articles from the July/August 2003 issue available online:

Die geometry for embossing and stretching

August 28, 2003

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Stretching or embossing, not to be confused with drawing, is the process in which the part's geometry is obtained by stretching the metal into a forming cavity.

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Roll out the shelving

August 28, 2003

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Just as office managers look for the most efficient way to store files, shop managers must look for efficient ways to store heavy, expensive dies. Many offices have file cabinets with an index system for locating files quickly. The shop equivalent for storing and retrieving dies may be air-powered rollout shelf units.

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Using binder force control, force modulation, to improve part quality, stamping efficiency

August 28, 2003

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Editor's Note: This column was prepared by the staff of the Engineering Research Center for Net Shape Manufacturing (ERC/ NSM), The Ohio State University, Professor Taylan Altan, director.Binder, or blank holder, force control is an important variable in the stamping process. Constant blank holder...

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Stamping out bad parts

August 14, 2003

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Sheet metal manufacturers are under constant pressure to improve and document quality while reducing costs. Furthermore, original equipment manufacturers are shifting responsibility for quality inspections to suppliers, adding extra burdens. New, complex product designs and rigorous processes, such as deep drawing and the growing use of exotic materials, are placing greater demands on both quality assurance and development departments.

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What's driving your press?

August 14, 2003

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Mechanical presses are challenged to provide high-speed production with a greater number of hits per minute, smaller batch runs, and quicker die changes.

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Virtual tryout

August 14, 2003

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In this era of global warp speed and virtual reality, calculating the deep draws of progressive dies or the springback of metal is performed by simulation software instead of the earlier trial-and-error method. These software programs essentially replace the artistic methods of diemaking with...

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Improving blank edge conditions

July 24, 2003

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A blank, stamped in the first station of a progressive stamping operation, usually is subject to subsequent forming processes to form a designated part. If the blank is subject to straining, deformation, bending, stretching, or lateral expansion in later stations, its edge condition should be carefully examined.

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Taking the heat, keeping the current

July 24, 2003

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A DaimlerChrysler powertrain control module cover/heat sink assembly needed to be thermally conductive yet electrically isolated. The populated circuit board—one with all components in place—had to be bonded to the heat sink and postcured in a vacuum laminating press. The entire module...

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