January 15, 2008
By: Wilson J Cubides
Diemakers have several options for slug-pulling problems, such as knockout pins, vacuums, punch or die dulling, oil viscosity, wire EDM hole slots, punch/die clearance changes, edge shearing, mechanical grippers, air jets, and cuped-shaped punches. Another method to help stop slug pulling is bell- mouthing the die, which essentially involves cutting a funnel shape around the hole.
Weisgram Metal Fab replaces multiple stand alone lasers with the automation river system from Mitsubishi Laser. Weisgrams’ River system includes 8 lasers with 322 shelves that can hold two million pounds of raw material. It is the second largest Mitsubishi automation system in North America.
From the Web: Remembering Rosie; GM invests; new jobs; subpar growth; and Uber’s economic role - by Vicki Bell
Web articles for fabricators—A tale of two Rosies; GM to invest billions; new jobs in Chattanooga; and the current and future economy.
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