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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Tackling cutting and piercing problems in stamping operations

August 10, 2004

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Figure 1Poor cutting section designCutting problems, such as die sections breaking, slugs jamming and pulling, and burrs, are common stamping challenges. Many of these problems are caused by poor die design. Others are caused by poor maintenance techniques, improper setup, and poor scrap...

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Acoustic emission monitoring for stamping presses

July 13, 2004

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Sheet metal forming companies face constantly increasing demands for higher production speeds from their machinery and more complex parts. At the same time customers demand higher standards of quality and stringent price controls, even as production volumes swell.Figure 1If a deviation from...

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Controlling double sheet in stamping operations

July 13, 2004

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Almost everyone has experienced a double-sheet problem. Copiers, printers, and fax machines sometimes feed two sheets, which then jam the machines and have to be removed. While two sheets of paper seldom cause major harm to office equipment, two sheets of metal can cause major damage to tools and...

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Sink-making secrets

June 8, 2004

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Figure 1Double drawn stainless steel sinkSink photo courtesy of Polarware.Have you ever looked at a deep-drawn double-bowl sink and wondered how it's made? After all, one deep-drawn shell is right next to the other. Where does the metal come from to achieve the height?Figure 1shows a classic...

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Advanced lubricant technology for high-strength steel

June 8, 2004

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Figure 1As if the recent rise in steel prices weren't enough, now automotive stamping suppliers are faced with the difficult task of getting high-strength steel (HSS) to form parts with tooling designed for mild steel.In an effort to reduce vehicle weight and improve gas mileage, automotive...

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Spraying it right

June 8, 2004

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For coil-fed applications, spray cabinets can be mounted to the feeder to accommodate passline changes.Most stampers understand the need for lubricants, but many apply as little as possible so they don't have to deal with the mess. Others take an opposite approach and flood the tool and...

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Dangerous curves

June 8, 2004

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Provocative lines and innovative materials are the hallmarks of luxury car manufacturer Jaguar Cars Ltd.Jaguar has reaped the benefits of aluminum since 1922, when the company, then known as the Swallow Sidecar Co., designed sidecars out of lightweight aluminum panels. Since then the company has...

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Saving time and reducing waste with quick die change

May 4, 2004

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Quick die change is not just a way of setting up dies; it's a mindset for the elimination of waste.

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Eliminating slug pulling during piercing operations

May 4, 2004

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Author's Note: Before I get into the meat of this article, I would like to let my readers know how much I appreciate their loyalty to STAMPING Journal® and the Die Science column.STAMPING Journalnow is published monthly, and I am delighted to announce that I will be writing the Die Science...

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Sizing up pallet decoilers

May 4, 2004

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The primary reason for purchasing a decoiler is to increase production. By correctly sizing the machine for your needs, you can increase production and the bottom line.

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Using Monitoring Systems to Improve Stamping 'Batting Average'

May 4, 2004

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What do baseball players, weather forecasters, and typical stamping plants have in common? Most are less than 60 percent effective.

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Next-generation synthetic forming fluids

April 6, 2004

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Successful metal forming, stamping, and deep drawing depend on three basic elements: the metal substrate, tooling, and lubrication.

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Sizing up servo presses

April 6, 2004

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Servo-powered presses will not replace all flywheel mechanical presses. Each technology has its advantages and disadvantages, depending on the stamping application.

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Stamping tools for UHSS get tougher

April 6, 2004

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The automotive industry wants to develop cars that are lighter, stronger, and less costly to manufacture. One way it can achieve these goals is to construct body panels, suspension components, structural members, and frames using ultrahigh-strength steels (UHSS). Increasing an automotive part's...

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Pitch notch or not? Factors to consider when designing progressive dies

April 6, 2004

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Figure 1In today's competitive global market, stampers are looking for ways to reduce tooling and stamping cost by any means possible. Pitch notches, often referred to as French notches, are used commonly to prevent overfeeding and mis-hits in progressive dies. More often than not, however, using a...

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