Selected articles from the April 2010 issue available online:

fume extractor

Don't let your equipment leave you fuming

April 27, 2010

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Stricter hexavalent chromium standards are just one reason to invest in a welding fume extractor. Providing a healthier work environment also can help you protect and retain your skilled workers. What should you consider when selecting an extractor?

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used machinery

Selling used equipment

April 26, 2010

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Just how much is your used fabricating equipment worth? How is its value determined? What's the best way to go about selling it? Should you try to sell it directly to an end user, or should you sell it to a dealer?

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Drawing and Stretching Diagram

DIEVESTIGATION: Draw or stretch? That is the question

April 13, 2010

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When designing a part, you must decide which is the best way to form it. Should you draw it or stretch it? That depends on several factors, including forming depth.

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Satin finish weather protection

Industrial hand-held grinding and surface finishing — A primer on brush and mirror finishing

April 13, 2010

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The proper finish is important for product quality and durability. This article discusses the steps required to brush- and mirror-finish stainless steel, nonferrous metals, and aluminum using both linear and angle grinders.

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