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Using NDT systems to monitor welded tube production

November 15, 2001

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This article discusses the capabilities and limitations of the two most common online tube monitoring test methods -- eddy current and ultrasonic. It discusses the types of flaws that each is capable of detecting, and shows photographs of three typical flaws -- one that was detected by ultrasonic, one by eddy current, and one by both. It concludes by showing that both methods should be used to provide the most comprehensive testing of welded tube.

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'It's gonna be painful' Metal industry players note little to reassure them in days ahead

November 15, 2001

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Manufacturers were hurting before September. How do things look now? Well ... they could be better, industry players say.

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Design tips for sheet metal: Bend relief, small holes, hole distortion near bends, and minimum flange widths

October 25, 2001

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The article discusses making small holes and when to use a punch or laser cutter, inside radius measurements and how they differ depending on whether you are coining or air bending on a press brake, and adding bend relief to prevent tearing material.

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Common barricades on the road to lean

October 25, 2001

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The number of opportunities to steer your company wrong during a move toward lean manufacturing are myriad. Knowing a few of the common ones may help you achieve your goals without a lot of headaches.

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Cutting tube in a recut operation: How to decide on a method and equipment

October 25, 2001

This piece, which originally appeared in TPJ-The Tube & Pipe Journal in 1997, explains how to decide whether to cut tubing on the production line or cut it later in a recut operation. Discusses various types of recutting equipment and focuses on the dual-blade shear cutting method.

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Comparing single-cut and dimple-free tube mill cutoffs

October 25, 2001

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This article covers the application of single-cut and dimple-free cutoff shear technologies as they are applied to contemporary high-speed tube mills.

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Hydroforming a new front automotive structure

October 25, 2001

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Hydroforming the parts in a vehicle structure can be of immense benefit on several counts, as a review of a recent project at the author's company can attest.

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To e, or not to e?

October 25, 2001

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The idea was to have e-commerce solve everything. Then the thud of a million dot-coms hitting bottom gave people a new perspective. Are automakers still hip on e-commerce? You'd better believe it.

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Cryogenics—Putting the Freeze on Wear Answering Some Commonly Asked Questions

October 25, 2001

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While cryogenics has been around for awhile, alot of shops don't know how to use the process to their advantage. Knowing a few basics may help your shop turn that around.

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Increasing tube mill welding speed: Examining technology for tube producers

October 25, 2001

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This article reviews processes that were technological advances in tube welding years ago but still have a bearing on how tube producers do their jobs today.

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Sell! Sell! Sell!: Developing a profitable exit strategy for you and your company

October 25, 2001

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Devising a strategy for selling your company that fits within your goals and current market conditions is essential

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Maxwell Magneform

Metal stamping and electromagnetic forming: New process improves material formability, reduces wrinkling

October 25, 2001

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This article describes the development of electromagnetic forming (EMF) and how EMF works.

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C-Frame Stamping Presses

Achieving straight-side capabilities in a gap-frame press

October 25, 2001

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Recent changes in tooling technologies, material specifications, part quality requirements, and inventory levels have driven the demand for new developments in the way a mechanical press operates. This article discusses how link motion and bridge-frame structures help stampers. This includes a description of what link motion is and how it works, and how bridge frame presses affect frame deflection.

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Taking the troubles out of tube mill tooling: Preventing and solving some common problems

October 11, 2001

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This article discusses the prevention of problems associated with tube mill tooling, touching on maintaining tooling, as well as troubleshooting common problems that may arise during the tube production process.

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Staying safe during HF welding: A common sense approach to personnel protection

October 11, 2001

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Proper clothing, training, procedures, troubleshooting, preparation, and equipment for HF welding are critical if you want to prevent workplace accidents.

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