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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Meeting global challenges through employee rewards

August 8, 2006

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Arco Industries Inc. bought a 15-year-old, 500-ton Tranemo hydraulic punching press with an antiquated control system. For about one-quarter the cost of a new press, Arco was able to rejuvenate an obsolete press by providing it with contemporary levels of control and productivity.

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Die basics 101 starts with eight basic components

August 8, 2006

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A stamping die is a special, one-of-a-kind precision tool that cuts and forms sheet metal into a desired shape or profile. Most dies are constructed of several basic components, including die plates, shoes, die sets, guide pins, bushings, heel blocks, heel plates, screws, dowels, and keys. Dies also need stripper, pressure, and drawing pads, as well as the devices used to secure them—spools, shoulder bolts, keepers, and retainers; and gas, coil, or urethane springs.

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Feed to registration

August 8, 2006

For applications such as clutch disks, oil seals, oil filters, and other round stampings, feed to registration with scroll-slit material can reduce scrap rates and, in some cases eliminate the need to retool the job.

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Getting hydraulic press problems under control

August 8, 2006

Arco Industries Inc. bought a 15-year-old, 500-ton Tranemo hydraulic punching press with an antiquated control system. For about one-quarter the cost of a new press, Arco was able to rejuvenate an obsolete press by providing it with contemporary levels of control and productivity.

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Die Basics 101: Part IX

August 8, 2006

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Part VIII of this series discussed some of the specific mechanical properties of metals—ductility, elongation percentage, tensile and yield strength, and hardness—and how to derive these properties. This article describes other important mechanical properties, as well as a few behavioral...

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Die Science: The process of fineblanking

July 11, 2006

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Fineblanking can achieve flatness and cut edge characteristics that are unobtainable by conventional stamping and punching methods. Fineblanking is described in relation to conventional methods to encourage a better understanding of its benefits and limitations.

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The modern mechanical press

July 11, 2006

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End-user demands for new product configurations, materials, and press capabilities continue to have an impact on the metal forming arena. Mechanical press design improvements and flexibility are keeping up with stampers' changing applications.

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21st century stamping material specifications

July 11, 2006

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Advanced technology in the metal stamping industry has rendered obsolete traditional methods of selecting, specifying, and supplying material. Using modern technology to quantify materials can reduce the occurrence of material variation exceeding the die and process capabilities and make die development a much more efficient process.

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Draw forming, Part II

June 16, 2006

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In draw forming, measurement and quantification are essential to ensuring part quality for the customer. However, the product requirements and the product input variables have different metrics and different conceptual meanings, which seems to defy direct engineering. Three processing variables can be adjusted during production to ensure the part is formed correctly.

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Evaluating dry film lubricants for automotive applications Part II

June 13, 2006

The ironing test developed at the ERC/NSM reproduces production conditions of contact pressure up to 94 kilopounds per square inch (KSI) and temperatures up to 300 degrees F to quantitatively evaluate lubricant performance.

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Evaluating dry film lubricants for automotive applications Part I

June 13, 2006

In recent studies, dry-film lubricants have been shown to give better lubrication conditions compared to oil-based liquid lubricants. This factor, as well as savings in the amount of lubricant used, has helped increase the use of dry-film lubricants in the automotive industry for forming of aluminum and high-strength steel stamped parts.

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Die Science: Die building

June 13, 2006

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In any stamping process including progressive dies, transfer dies, or line dies, three factors are essential to consider when processing a piece of flat metal into a finished part: What is the metal? What is the metal's thickness? What are the part tolerances?

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Die Basics 101: Part VIII

June 13, 2006

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Figure 1 Part VII of this series introduced two basic types of metals used to manufacture stamped parts—ferrous, metals that contain iron, and nonferrous, metals that do not contain iron. This article discusses the specific mechanical properties of these metals in more detail.The metal's...

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A closer look at self-piercing riveting

June 13, 2006

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Self-piercing riviting, an alternative sheet joining method, is being used more to join aluminum sheets. The finite element method can be employed to study the SPR process and joints, perhaps even leading to the elimination of physical testing of these mechanical joints.

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Implementing Press Automation

June 13, 2006

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To compete in a global market, all stampers need adapt their manufacturing processes. By mixing automation with electronic controls, job shops can increase output and exceed past manufacturing goals.

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