Stamping Articles

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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Microwelding: Then and now

May 15, 2006

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Like the molds he repairs, Five Star Tool Welding owner Joe Canfield finds that the welding equipment he uses at his company is getting smaller and smaller. Over the years GTAW equipment has evolved to better meet the needs of its tool and die welding users.

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Draw forming, Part I

May 9, 2006

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Draw forming is one of the net shape processes, and, as a result, many of the technology advances in the general field of manufacturing have not been as beneficial to draw forming as one would expect. All too often, such advancements as lean manufacturing, statistical process control, just-in-time, and six sigma, have not resulted in benefits for draw forming.

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Hot forming: Strong meets light

May 9, 2006

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Cosma International applies its own hot-forming technique to stamping automotive metal components such as A and B pillars, roof headers, roof rails, rockers, door intrusion beams, and bumpers, to meet new CAFE standards for weight, NHTSA requirements for strength, and to counter problems with springback in UHSS components.

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Do you need a die transport system?

May 9, 2006

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A die transport system may be needed if current production requirements cannot be met with existing presses, and opportunities for additional contracts are limited by current equipment production volumes; parts can be produced competitively in large batches, but not if the part count is smaller; and shop safety needs to be improved.

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New handling instructions

May 9, 2006

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In 2005 precision stamper Weiss-Aug of East Hanover, N.J., achieved a reject rate of less than 1 part per million. The company credits the success to meticulous planning and almost flawless execution. Such an approach applies for Weiss-Aug even when it comes to uncoiling metal.

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Die Basics 101: Part VII

April 11, 2006

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Previous articles in this series focused on stamping dies and production methods. This article discusses stamping materials—both ferrous and nonferrous.To process, design, and build a successful stamping die, it is necessary to fully understand the behavioral characteristics of the specific...

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Getting a handle on coil handling

April 11, 2006

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Coil handling equipment can take up a lot of space, so it's important to consider different equipment configurations and options that may deliver much-needed floor space.

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Keep it moving

April 11, 2006

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Conveyor jam-ups or slow-downs can offset machine tool productivity and damage high-production equipment. The solution: a reliable conveyor system that promotes a smooth, uninterrupted production flow.

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How to avoid slit-in coil slitting problems

March 7, 2006

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Problems that can arise during metal slitting include poor edge quality, edge burr, edge wave, camber, crossbow, knife marks, and slit width that is out of specification. Some slitting problems can be attributed to poor metal quality; however, it is much more common for the problems to be caused by other variables and factors during the slitting process.

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Straightening mistakes

March 7, 2006

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As a consultant to the industry, the author has had the opportunity to discuss coil straightening and leveling with many people. In this article, he reviews 12 common misconceptions he has heard from those people.

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Stamping complex parts

March 7, 2006

By adding sophisticated hydraulic deep-draw press technology, Tools Inc. was able to greatly enhance its in-house forming and production capabilities.

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Maintaining a slitting line

February 7, 2006

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A slitting line can operate efficiently for 20 or more years if properly maintained. Modern slitting lines are high-performance machines that are intended to produce 24 hours a day, 365 days a year. As a result, stampers must be sure that all line elements are properly maintained, which represents a titanic effort if you don't understand what components are critical.

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Die basics 101: Part VI

February 7, 2006

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Previous articles in this series discussed common stamping die components. This article focuses on less common specialty components found only in certain dies, most of which are available from various suppliers.Figure 1Inidie Tapping UnitsImage courtesy of Danly IEM.In-die Tapping UnitsMany dies...

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A new energy in appliance manufacturing

February 7, 2006

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In January 2006, a new 13 SEER mandate for appliancemakers takes effect. Although it isn't the only thing driving change in manufacturers' product designs, it is providing a springboard for manufacturers to make changes in their products that will help meet increasing customer demands.

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Feeling overwhelmed with pressures?

February 7, 2006

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Stampers face increasing pressure, from external and internal customers, every day. This, combined with increasing responsibilities, can cause production personnel to feel overwhelmed. Long die changeovers gobble up precious time that could be used for better purposes, leaving many production teams operating in a firefighting mode. Doing a thorough time study and using the results to eliminate time-wasting steps is the first step in implementing quick die change, freeing up some time for value-added activities, and getting control over your production processes.

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