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.
Scholarship fund to honor Dick Kallage - by Tim Heston
FMA’s Nuts, Bolts, & Thingamajigs foundation has set up a memorial scholarship fund in honor of Dick Kallage, an influential member of FMA and columnist for The FABRICATOR magazine. Kallage died of cancer Feb. 18.
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