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Plan ahead

January 24, 2002

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Technological advances have influenced the welding industry heavily. Computerized equipment, precision robotics, positioning devices, and new and refined welding processes have given new tools to welding engineers, technicians, and craftsman welders.

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The HOW, WHAT, and WHY of liquid impact forming

January 24, 2002

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Liquid impact forming, a patented process developed by Greenville Tool & Die Co., Greenville, Mich., uses a conventional stamping press with a liquid medium to manufacture parts that otherwise would require hydroforming.

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Tube and pipe cutting techniques; advantages and limitations

January 24, 2002

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Many factors are involved in choosing a particular method or technology for cutting tube or pipe.

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A dream come true

January 24, 2002

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By the time he was 12, John Rubino was on a quest: He wanted to weld sculptures.

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Hydroforming machine

Hydroforming gains ground in Germany

January 24, 2002

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This article examines hydroforming in Germany, focusing on the advancement of the technology. It specifically discusses growing automotive uses, a new type of hydroforming press, material quality requirements, cost factors, new testing methods, and simulation software.

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What welding inspectors should know about welding codes and standards

January 24, 2002

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Many aspects of welded component design and fabrication are governed by documents known as codes and standards.

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Survival in a down economy

January 10, 2002

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You can do many things during a downturn to improve your operation for the long haul. Look your business over top to bottom -- you'll find them.

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A Case For Scrap Chopping

January 10, 2002

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This article describes applications for chopping scrap from stamping operations and how to use recycling for cost containment -- as opposed to to profit building -- through more concentrated scrap hauling, better use of floor space, and enhanced employee safety.

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Metals outlook mixed

January 10, 2002

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Steel is looking at some uncertain times, to say the least, but aluminum industry professionals see a little more to smile about if general economic conditions improve.

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Selecting a GTAW power source

January 10, 2002

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The author is an end-user of power sources who shares his knowledge of how to pick a GTAW power source for an application. He considers the application, materials to be welded, power requirements, usage, time constraints, and additional capacity.

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How link motion affects blanking, feeding, and inertia on mechanical presses

January 10, 2002

You can reduce shock and vibration in your press operations by modifying your press's slide motion to more effective absorb the press's force.

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Getting a handle on scrap removal

January 10, 2002

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The ability to efficiently remove scrap from production areas affects the production up time and cost of production. Therefore, scrap removal should be part of the production planning process.

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How material influences bending for hydroforming

January 10, 2002

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The bending characteristics of a tube depend on the material it is made of. Exceeding the allowable limits of this deformation results in unusable parts. The author relates his company's examination and comparison of the bending of two different seamless, extruded tubes: aluminum alloy and steel.

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Press feed options for stampers

January 10, 2002

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The two basic press feed types commonly in use today are roll feeds and gripper feeds. Roll feeds, as the name implies, use rollers to move the material into the tool, while gripper feeds employ gripping clamps and a linear motion to move the strip.

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Selecting the correct shielding gas and gas delivery system

January 10, 2002

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Requirements for selecting shielding gas, filler metal, and welding processes are well- documented to help welders ensure high quality and consistency in their welding applications.

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