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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Selecting a stamping die pressure system, Part I

December 11, 2003

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This article is part one of a two-part series that focuses on the different stamping die pressure systems available, as well as the advantages and disadvantages of each. The article also discusses some of the controlling factors that contribute to system selection.

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Finding and creating value in your stamping operation

December 11, 2003

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A different breed of competitor has emerged recently in the stamping industry to challenge traditional thinking. These competitors are companies that focus on time as a basic measurement, giving them the advantages of flexibility, innovation, responsiveness, and low costs. They know how to make money in stamping operations and take business away from less astute competitors.

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Filling in the blanks

December 11, 2003

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 Because of sluggish economies and uncertain markets, the need to hone a competitive edge is more sharply defined. Many stampers are doing this by taking control of their material inventory and production schedules by adding a cut-to-length blank shearing line.An in-house blank shearing line...

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High-tech presses

November 20, 2003

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Figure 1Complex drive systemStampers are looking to achieve higher productivity, better component quality, longer die life, and increased flexibility. While these capabilities are essential to maintaining an edge in today's competitive environment, they come at a price. New technology now offers...

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Controlling bend angles

October 9, 2003

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Bend angles are among the most frustrating geometric features to control in metal stamping. This is due primarily to two factors – the inconsistency of the mechanical properties in the metal being bent and the die design.

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Predicting springback in air bending, straight flanging

October 9, 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.Air bending and straight flanging are the most prevalent types of bending in sheet metal forming. Predicting...

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Investing in lubricants

October 9, 2003

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All businesses tied to the metal forming industry are scrambling to find areas in which they can lower costs without sacrificing quality. Adding to this burden are a tight cash flow and a lack of financial resources to invest in process improvement equipment. Therefore, the savings must come from doing more with less.

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Stamping 101

September 25, 2003

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To promote real-world stamping training, the Tooling & Manufacturing Association (TMA) wanted to create a resource whereby stampers could receive a consistent, recognized, hands-on education on the industry's most current equipment.

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Choosing the proper steel to minimize abrasive adhesive tool wear

September 25, 2003

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The most disruptive type of failure in any tooling application is when the tool cracks. To prevent this type of failure in cold-work applications, it's important to select the correct steel.

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Hydraulic presses make their mark

September 25, 2003

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Just like hydraulics technology itself, the market for presses based on it is fluid and dynamic. And for the first time in a while, the tide may be turning in favor of its practitioners.As many manufacturers report prosperity and strong prospects for it in the near future, the hydraulic press...

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Protecting surface-sensitive materials in coil processing - Three potential danger areas

August 28, 2003

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As manufacturers worldwide strive to reduce costs and streamline their production processes, the market for surface-sensitive materials continues to expand. Surface-sensitive materials include all prepainted steel products and nonferrous decorative materials, such as copper, brass, and stainless steel.

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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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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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Toolmaker tricks

August 14, 2003

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It is not unusual for me to perform a few magic tricks when holding a conference on stamping die drawing, troubleshooting, or processing. Later on, I may disclose the magicbehind the trick. I do this for a couple of reasons: first, to entertain the conference attendees, and second, to show them that there is no such thing as magic, only physics.

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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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