February 25, 2011
By: Seijiro Oshima
In deep drawing, if the contact angle between drawing stages is too large, cracks can appear and swelling can occur, resulting in scoring, curving, and imbalanced flange-lip roundness. Keeping the contact angle between 15 and 45 degrees is key to quality drawn parts.
See the products TRUMPF will have on display at FABTECH on Nov 11-13 in Atlanta. TRUMPF will introduce a wide array of new products and technologies, including the world premiere of the TruLaser 2030 fiber laser cutting machine, in addition to new laser cutting, punching and press brake technologies, laser marking, laser welding, and power tools. Visit our FABTECH web site: www.us.trumpf.com
From the Web: Harley jewelry; U.S. manufacturing renaissance or fantasy? - by Vicki Bell
Highlights for fabricators from the past week’s Web articles—Utica, N.Y., company decorates Harleys; manufacturing renaissance—maybe, maybe not; women provide manufacturing muscle; and predicting metal costs.
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