Selected articles from the May 2009 issue available online:

Stick Welding

Stick welding fundamentals

May 26, 2009

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With instruction, some mild steel, the right welding rods, and a cracker box, the hobbyist can begin stick welding, also known as shielded metal arc welding (SMAW). Novice welders can learn more about the process by reading this article and by visiting the links shown at the end.

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Sensors in the welding environment - Which ones are tough enough for the job?

May 26, 2009

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From weld resistance to factor 1, sensors employ technology to deliver accurate, long-lasting operation, even in challenging welding environments. When properly applied, these systems reduce downtime and replacement costs while optimizing production.

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Test Specimen Geometry

Making waterjet-cut parts more fatigue-resistant

May 12, 2009

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Among the factors that contribute to the fatigue life of waterjet-cut parts are part geometry, cutting method, and finish. Properly designing parts, using the optimal cutting quality for the part, and choosing the best finishing process can increase fatigue resistance significantly.

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Hand Held Angle Grinders

Grinding and cutting safely

May 12, 2009

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Hand-held angle grinders, which now are being used more frequently in industries besides metal fabrication and welding, can cause injury if used improperly and without following all safety guidelines. This article covers the safety practices involved when using these grinders with resin-bonded wheels.

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GW Products

Automating to grow

May 1, 2009

Over the past several years G&W has ramped up its robotic welding operations to the point where the company offers 2,500 available welding hours every week.

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