February 1, 2012
By: James Brooks
Chlorinated lubricants, which have been phased out in Canada and Europe, are still used in many metal-forming applications in the U.S. This class of lubricants is under scrutiny in the U.S., so it makes sense to test alternative lubricants now. Evaluating a lubricant for drawing tube requires much more than simply measuring the draw load during a pull. A comprehensive test evaluates ease of cleaning and finished tube quality also.
Norton NorZon® Plus depressed center wheels now utilize a proprietary blend of patented, newest generation Norton SG ceramic alumina and Norton BlueFire™ zirconia alumina abrasives, combined with a high performance bond system for significantly improved grain micro-fracturing. The upgraded line has also been expanded with Norton NorZon Plus Fast Cut™ Depressed Center Wheels, offering the fastest material removal in the industry.
From the Web: Blacksmithing, 3D printing, and an immigration nightmare stymies a shop’s growth - by Vicki Bell
Highlights for fabricators from the past week’s Web articles— Immigration nightmare stymies company’s growth/job creation; imagination an important tool in blacksmith’s arsenal; ultimate use of 3D printing; fabricator gives in many ways; and veterans trade combat helmets for welding helmets.
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