Stamping

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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Tooling tricks of the trade

June 26, 2003

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Just make it work!" they scream. "I don't care how Just make it work!"As a tooling professional (whether you are a tool- and diemaker, engineer, press operator, or any other member of the team responsible for operating and maintaining that die), you quickly find that "making it work" is...

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Designing high-strength steel stamped parts for formability

June 12, 2003

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The use of high-strength steel to manufacture automobiles and other transportation vehicles has increased dramatically. The material's strength allows manufacturers to reduce vehicle weight substantially and increase fuel efficiency, without sacrificing performance.

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Dieless NC forming

June 12, 2003

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Dieless NC forming or incremental sheet forming is a numerically controlled incremental process that can produce complex shapes from various materials. The process is based on localized plastic deformation in the sheet metal blank. It was developed as an alternative manufacturing method to prototype sheet metal stampings and produce panels in small lot sizes.

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Handling the rush

May 29, 2003

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Think delicate: an antique vase, velvet gloves, the sweet sound of string music. Then imagine a typical stamping operation: bam-bam, metal on metal, all day long.

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Getting it Straight

May 29, 2003

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Before coiled material can pass through a die to produce an acceptable part, it must be straightened. Coil straightening is accomplished by bending a strip of material around sets of rollers that alternately stretch and compress the upper and lower surfaces so that the material's yield point is exceeded.

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Reducing Die Changeover Time without Capital Expenditures

May 29, 2003

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One of the cornerstones of an efficient stamping operation is its ability to perform die changes in less than 10 minutes. Retrofitting an entire stamping operation for quick die change can require a very costly investment. Justifying such a large amount of money in a short payback scenario can be impossible.

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Finding the best splice for your light-duty conveyor

May 15, 2003

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One way to increase your stamping operation's productivity is to get all the uptime you can from the belt conveyors that carry materials, parts, and finished and packaged products throughout your plant. As moving, wearing equipment, conveyors naturally demand a certain amount of downtime for maintenance and parts replacement. However, keeping those events as infrequent and brief as possible is what uptime is all about.

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Examining slit coil handling and packaging

May 15, 2003

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While it is common knowledge that slit coil handling and packaging often limit the productivity of even the most modern, high–speed coil slitting line, coil processors generally spend too little time examining the effectiveness of these operations.

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Hydraulic forming takes a front seat

April 24, 2003

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For about 50 years roll forming was the process of choice for making seat track channels at Dura Automotive Seat Systems, Stockton, Ill. While the process was high-speed, low-maintenance, and flexible, it also caused channel end flare, twist, and bow.

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Applying and handling die lubricants

April 24, 2003

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The two main reasons for applying die lubricant are to reduce friction and dissipate heat. Heat can build up between the tool surface and metal, causing the lubricant to break down. This results in metal-to-metal contact and galling.

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Truckin' along through a stamping plant

April 24, 2003

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International Truck and Engine Corporation's Springfield, Ohio, plant recently undertook the challenge of building a high-performance truck with the dimensional tolerances that meet today's quality standards within a cost structure that would allow it to remain competitive. This new product launch was the first of its kind for the company in more than 20 years.

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Establishing a die setup recipe for progressive dies

April 10, 2003

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Setting up a stamping die is one of the most critical steps in a successful stamping process. It's a fact: More damage is done to a die, especially a progressive die, in the first 10 hits than in the next 10,000 hits. Most die damage happens during initial setup, when the material is being fed into the die. Mistakes such as misfeeds, pilot piercing, double metal, sheared cutting sections, and stock hang-ups often occur.

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Improving perforating die performance

April 10, 2003

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Perforating is defined as a process of making a hole by removing a slug. During perforating in a stamping operation, a punch shears and breaks a slug out of the part material and then pushes the slug into a matrix (die bushing). The matrix hole is larger than the punch point. A clearance must be maintained constantly around the entire punch point.

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Sizing up pallet uncoilers

April 10, 2003

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Horizontal payoff of coiled materials on pallet uncoilers can help reduce downtime for coil changeover, increase coil handling efficiency, and improve operator safety.

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Designing tooling economically

March 13, 2003

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With the tooling trade in its current challenging economic situation, some tool companies are being forced out of business, losing money, or entering into highly competitive markets.

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