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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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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Image of a Doctor

How to keep hydraulic presses running

May 8, 2007

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Several preventive maintenance steps can help extend hydraulic press life. Press operators who stay in tune with their press and establish good, consistent maintenance practices from the beginning will benefit the most.

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Refurbished die carts figure 1

Stop wasting time!

May 8, 2007

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Minimizing changeover times is accomplished with effective die change procedures and equipment. Applying quick die change basics is a necessity, such as standardizing die parameters and clamping, prestaging dies, and using proper tools and personnel.

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Multicut blanking line

Reducing scrap, inventory costs with coil optimization software

April 10, 2007

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Coil optimization software is a valuable tool that fabricators can use to attack the problems of high scrap and high inventory. It offers the ability to quickly and easily make sound decisions regarding the purchase and use of master coil sizes. By using computers and specialized optimization algorithms, fabricators can minimize manual selection of coil sizes.

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Developing forming dies Part I

April 10, 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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Line tension roll

A guide to fabric slitting line tension rolls

April 10, 2007

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Coil processors have several choices in the rolls they use to put tension on the coil. One of these choices is a pair of nonwoven rolls. They act like sponges in that they remove lubricants, dirt, and metal fines from the metal. Understanding how nonwoven rolls are constructed and how they work can help coil processors extend their service life.

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Die Basics 101: Part XIII

April 10, 2007

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Figure 1 Pinch trimming die design Various specialty metal cutting methods are used in stamping operations. Among them are pinch, breakout, and shimmy. Pinch Trimming Pinch trimming is a special method in which the vertical walls of a drawn or stretched vessel are cut by pinching...

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