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Using hydroforming aluminum components versus steel stampings

November 15, 2001

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This article examines two transitions that are occurring in the automotive industry—the change from stamping to hydroforming, and the substitution of aluminum where steel was used previously.

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Assessing cutting and forming machine tool safety

November 15, 2001

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The expanded breadth of recent standards typically includes the entire life expectancy of machines, the full scope of possible risks, the frequency and severity of risks, and the possibility of harm.

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Mac's Muse: One potato, two potatoes, three potatoes ... gone! As U.S. steel industry gets its lunch eaten, many parties can share blame

November 15, 2001

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A lot of parties can share the blame for what's happened to the North American steel industry, and its going to take effort from them all to pull the industry out of its quagmire. Can it be done? Time will tell.

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Setting realistic goals for robotic welding projects

November 15, 2001

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Expecting a robot to solve all of your production problems can inflict the cruel irony of ceating more. If you want your robots to speed up your operation, know what they can and can't do from the start.

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Part nesting and die design tips for reducing and utilizing scrap in stamping operations

November 15, 2001

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You might be able to gain a competitive edge by learning how to reduce the amount of engineered scrap, or that material that was inteded to be scrap rather than scrap created because of defective piece parts.

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Meet the Press

November 15, 2001

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The article briefly covers stamping terms and discusses press considerations for those purchasing a hydraulic blanking, stamping, or deep drawing press.

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Welders turn to induction heating for preheating, stress relieving

November 15, 2001

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This article discusses using induction heating for preheating and (postheating) stress relief of welds. It focuses on what this technology is, how it works, and how it can be used in an industrial setting. This article also gives several real-life examples of how the technology has been used in actual applications.

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Rockwell hardness and Brinell testing of tube and pipe

November 15, 2001

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The article discusses special considerations that must be kept in mind when hardness testing tube and pipe. Rockwell and Brinell are covered. Special considerations include surface finish, wall thickness, deflection, and internal supports.

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Link drive presses

Contract stamper increases die life and draw die productivity

November 15, 2001

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Jancox Stampings has remained competitive by investing in link drive mechanical presses from PTC, offering value-added assembly services, and encouraging employee initiatives. The article discusses how the presses work and how reduced speed reduces springback (which allows the company to meet the...

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Ultrasonic instrument figure 1

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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