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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Keep on stamping

September 14, 2004

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To be competitive in a global economy, U.S. stampers must provide defect-free parts, reduce waste, and eliminate downtime while contending with increasing raw material costs and limited availability of some metals. Because stampers have no control over the supply side of the market, they must focus...

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Survival of the fastest

September 14, 2004

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Because metal fabricators and OEMs have increasingly strict requirements, many suppliers of sheets and blanks must provide high-quality metal stock in terms of flatness, finish, and dimensional accuracy. Competition for every bid is tight, making it easy to take the quality for granted. If every...

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Chemical-free cleaning of HSP lubricants

September 14, 2004

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New requirements for clean, dry parts drive the need for efficient, flexible workcell parts cleaning.

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Sequence scheduling in automotive scheduling

August 10, 2004

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Although automakers' demands on automotive stampers fluctuate, under normal conditions, the variation in quantities of parts required is 20 percent or less. Most of the time the variation is substantially lower, although seasonal changes, such as holidays and plant shutdowns, can have an impact on...

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Slitting ultrahigh-strength steels

August 10, 2004

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The automotive industry's search for stronger and lighter materials spawned new steel grades to meet higher strength-to-weight ratio requirements. While these materials allow automotive engineers to design lighter and stronger components, they present stampers and coil processors with some...

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Preventive maintenance for hydraulic presses

August 10, 2004

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Ask 10 stampers what preventive maintenance is, and you'll probably get 10 different answers.Why? Because not all presses require the same maintenance.To keep all of your shop's equipment in good working condition, try developing and implementing a written routine preventive maintenance schedule.An...

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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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