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Understanding weld discontinuities

June 12, 2003

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A welder's primary concern in any kind of work is ensuring his weld is sound. For this reason, it's important for an inspector examining the weld to be able to spot a variety of weld discontinuities, including:Porosity.Incomplete fusion.Incomplete joint penetration.Unacceptable weld...

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Making your own punch and dies

May 29, 2003

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How many times have you looked through huge piles of blueprints for a prototype part or short-run job and thought, "If only I had that tool, this job would be a piece of cake?"

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Defibrillators—Should you have one in your workplace?

May 29, 2003

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This article explores the facts about AEDs, the legalities surrounding their use by laypersons, and guidelines for implementing an AED program in the workplace.

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Art From the Forge

May 29, 2003

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Those of you who are busy fulfilling commissions for gates, fences, staircases, and the myriad items that keep food on the table might want to look at artwork created by people whose backgrounds are based in the arts. Metalworkers often are so tuned to traditional designs that they are unaware of a swelling modern movement that could generate new ideas, new visions, and new clients.

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Robots and dials and knobs—oh my!

May 29, 2003

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In the late 1950s, the U.S. Navy wanted to find a way to join heavy aluminum structural sections used to fabricate motor torpedo boat hulls.

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Take the old with the new - Selecting saw blades with new technologies in mind

May 29, 2003

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New methods for cutting tube and pipe have been introduced to welding shops in the last few years—methods designed not only to cut metal, but also to cut costs.

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Spinning your wheels?

May 29, 2003

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Grinding wheels used in welding and fabrication are strong, tough tools, but many in the industry have called them "rocks" or "stones," implying that they're unbreakable.

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Don't be a hot dog with heating heads

May 29, 2003

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Some call them rosebuds, others call them multiflame heating heads, and a few call them heat sticks. No matter what you call torch attachments, this article is a frank discussion about these tools that use oxygen and a fuel gas to make a lot of heat quickly. When used properly, they can make quick work of many heating jobs.

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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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Automotive motives - Tips for cutting per-piece prices for automotive customers

May 29, 2003

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Today's automotive industry is more competitive than ever. To compete with the European, Mexican, and Asian markets, the U.S. market must become more aggressive in finding ways to cut costs.

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Batter up! Turning an aluminum tube into a baseball bat

May 29, 2003

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The roar of the crowd, the shouts of the umpire, the crack of the bat hitting the ball—these are the unmistakable sounds of a baseball game. Over the last few decades, however, one of those sounds has changed; now the bat tends to make a distinctive, resonating ping. It's the sound of aluminum rather than wood making contact with the ball.

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Roll form tooling tryout and troubleshooting

May 29, 2003

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The secret to developing successful roll tooling—whether for tube production or roll forming—and achieving maximum roll integrity is a simple but often overlooked notion: a comprehensive approach.

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10 questions to ask about equipment leasing

May 29, 2003

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Equipment leasing—an arrangement in which a business pays for the use of equipment but does not own it—is growing in popularity for many reasons. Benefits of leasing include flexibility, convenience, and protection from having to be responsible for equipment obsolescence.

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