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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Tool steel diagram

Cutting tooling costs: Part II

August 1, 2007

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To stay competitive in today’s market, stampers must build dies from materials that adequately perform with as little maintenance as possible. Appropriate tool steels can be cold-rolled steel to solid carbide. The key is to know when to use a lower-grade steel and when to use a higher-grade tool steel.

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AIDA stamping machine

Mechanical presses primed for powerful performances

July 10, 2007

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Metal stampers are using more high-strength steel, which is more difficult to form, requires more tooling stations, and more press tonnage. As a result, stampers are moving away from traditional production methods and investing in presses with higher tonnage capacity and larger beds.

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Stainless steel appliances

Keeping stainless flawless for appliance stamping, fabrication

July 10, 2007

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Before stainless steel is stamped, bent or folded, and fabricated into an appliance, stampers, other fabricators and coil processors need to do damage control as they process stainless steel coil through 7 damage-danger zones.

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Ejector counter punch

Blanking developments - Part I

July 10, 2007

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Fineblanking allows the production of sheet metal components with smooth edges in a single press stroke. This column discusses basic terminology and the principles of this process.

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Toolmaker

Cutting tooling costs: Part I

July 10, 2007

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To reduce tooling costs, key items such as high-quality tool steel and quality die components some companies ignore or substitute which usually results in premature tool failure, excessive downtime, and scrap. Sometimes you have to invest a little more in your tooling to be successful.

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Schuler stamping machine

Flexibility in the press shop

June 12, 2007

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To stay competitive, stampers must be prepared to run a variety of dies, many of which have been designed to run on customized and complex OEM equipment. In addition, stamping concepts tend to differ among the automotive OEMs. For the tier stamper, flexibility is key to surviving these fiercely competitive times.

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Deep drawing diagram figure 1

Evaluating film lubricants for stamping

June 12, 2007

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The ERC/NSM conducted extensive deep-drawing tests to evaluate various dry film lubricants for several companies. Compared with other commonly used friction tests such as draw bead and twist compression tests, deep drawing emulates realistic friction conditions that exist in stamping operations in terms of the pressure and forming speed interface .

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Developing forming dies Part III

June 12, 2007

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Editor's Note: This is third installment of a three-part series that discusses die development for producing nonuniform, contoured parts by breaking the process down into eight steps. Part I covers the part material, its form, and its function. Part II discusses length-of-line analysis and tip...

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Conventional cutting

Die Basics 101: Part XIV

June 12, 2007

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Although fineblanking and GRIPflow® often are categorized as metal cutting operations, they more closely resemble a cold metal extrusion process that creates what appears to be a blanked part. The processes can be defined simply as methods in which a part is squeezedfrom the strip.Unlike parts...

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Multiblanking line image

Technological quantum leap

June 12, 2007

Arme S.A., a Colombian service center, was producing cut blanks for several local, small customers using a 48-year-old Stamco cut-to-length line purchased more than 20 years ago. It served them well over the years, but the company realized it needed to upgrade its technology to take advantage of the market opportunities it saw growing around them.

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Stamping Diagram

Stamping research gains support

June 12, 2007

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Global competition continues to force the metal forming industry to reduce costs, improve technology, and increase productivity. With these trends in mind, the Ohio State University (OSU) and Virginia Commonwealth University (VCU) established in June 2006 the Center for Precision Forming to focus on the needs of the metal forming industry.

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Developing forming dies

June 12, 2007

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Determining the best die geometry to produce multicontoured formed parts can be difficult. A full understanding of the drawing and stretching process is necessary, as well as a good understanding of all tooling factors to make complex geometries.

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Grind die diagram figure 2

Servo press forming applications

May 8, 2007

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A servomotor gives a press slide motion flexibility in terms of accurate speed, motion, and position control. This flexibility produces infinite slide motion variations that may improve part quality and operations such as painting and assembly during one press stroke.

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Fineblanking tooling diagram figure 3

Servo press forming applications Part III

May 8, 2007

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This column discusses several applications of servomotor-driven mechanical presses for forming at room temperature and at elevated temperatures.

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Developing forming dies Part II

May 8, 2007

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Editor's Note: This is first installment of a three-part series that discusses die development for producing nonuniform, contoured parts by breaking the process down into eight steps. Part I covers the part material, its form, and its function. Part II discusses length-of-line analysis and tip...

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