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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Press transfer

4 steps to press transfer efficiency

May 9, 2011

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Part-holding tooling is a fraction of the total press cost, but it has the most effect on whether a stamping press is running at its peak potential. Taking proactive steps in tooling selection, including working with your supplier, using simulation, choosing the best framework material, and choosing the most suitable end-of-arm tooling, can make all the difference.

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Attempting to defy the laws of physics, Part I

March 11, 2011

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The forms and positional tolerances called out on product designs often defy the physical abilities of the product's material. Proper product and process design, as well as pressure clamping, can help maintain strict tolerances.

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Coil processing equipment

Coil processing equipment—new or retrofit?

March 11, 2011

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If existing coil feeding equipment is functioning, but productivity needs a boost, stampers can achieve measurable gains in their production efficiency through various types of upgrades to their coil handling and feeding equipment, including servo drives, variable speed controls, and operator interfaces.

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What springs are best for forming HSLA down and drawing up?

March 10, 2011

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Choosing the right spring for working with HSLA is very important. The author recommends chrome nitrogen springs of well-known brands for proper quality control.

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contact angle in deep drawing

The importance of the contact angle in deep drawing

February 25, 2011

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In deep drawing, if the contact angle between drawing stages is too large, cracks can appear and swelling can occur, resulting in scoring, curving, and imbalanced flange-lip roundness. Keeping the contact angle between 15 and 45 degrees is key to quality drawn parts.

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5 ways to empower die designers for better die results - TheFabricator.com

5 ways to empower die designers for better die results

February 24, 2011

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By improving communication, supplying critical requirements upfront, creating die standards, using advanced software, and powering up equipment, customers can get better dies, faster.

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The integrated approach to coil lines - TheFabricator.com

The integrated approach to coil lines

January 10, 2011

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Modern press lines are very integrated, combining coil feeds and press capabilities from a single control area and using commonality of components to optimize results.

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DIEVESTIGATION: Deep-drawing and stretching variables – Part II

December 13, 2010

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This article continues the discussion of deep-drawing and stretching variables begun in Part I by describing friction, thermal expansion, metal topography, and forming speeds and how they affect metal forming operations.

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Demystifying die protection - TheFabricator.com

Demystifying die protection

November 1, 2010

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Originally die protection was developed just to prevent damage to the tool and die during the operation of a stamping press. As sensor and controls technology knowledge has evolved and stampers knowledge of it has expanded, die protection technology has been expanded into other applications, such as increasing production rates and to perform quality assurance.

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Tier stamper improves mechanical press productivity with transfer retrofit - TheFabricator.com

Tier stamper improves mechanical press productivity with transfer retrofit

September 10, 2010

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A Midwestern manufacturer sought to improve productivity on its nearly 10-year-old Verson transfer press. Although the press was in good condition, the original ETF transfer, which had endured 28 million press hits, was causing considerable maintenance costs and lost production. The stamper retrofitted the Verson transfer stamping press with a Schuler Automation AT series tri-axis transfer. This resulted in a 10- to 40-percent improvement in cycle times.

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Precoated stainless steel improves tactile domes forming - TheFabricator.com

Precoated stainless steel improves tactile domes forming

September 6, 2010

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Situation Tactile domes are used in communication devices as the switch element incorporated into membrane switches and control panels. Generally, they are made of 301 stainless steel preplated with 3 to 7 microns of nickel or silver. A global electronics stamper with business in the tactile...

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Die quoting engineers

DIEVESTIGATION: Diemaking, from concept to reality

August 9, 2010

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Just what is involved in die building? Whether you are a die builder or a stamping company that uses dies, this overview can help you understand the many steps required to take a die from concept to production.

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Press selection—sorting it out Part V

August 6, 2010

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This multi-source article offers readers advice on the criteria to consider when buying a press. The article examines application suitability, drives, and controls as well as other considerations such as tonnage, frame construction, speed, and horsepower.

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How can I stop die wrecks that occur even with sensors in use?

August 4, 2010

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Even with many styles of sensors on a progressive die, die wrecks continue to occur. Addressing potential miss hits during the design stage, and using proximity sensors in careful, deliberate ways, can help control the problem.

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Deep Drawn part

DIEVESTIGATION: Important considerations when designing deep-drawn parts

June 16, 2010

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What is deep drawing? What part parameters require the process? What must you consider when designing a deep-drawn part, and when should you consider an alternate process, such as spinning?

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