Page 34 - MetalForming December 2016

Punch-Shear Combo
The heart of LaForce’s Shear Genius SGe is a servo-electric 30-metric-ton punching machine with a maximum stroke speed of 1000 hits/min; an index speed to 250 rpm; and a maximum sheet- position speed of 150 m/min. The machine’s right-angle shear boasts a servo-electric actuation system that makes shear movement quick and fully CNC-controlled.
Keeping Promises
“The SGe does exactly what we thought it would do,” says Johnson. “We vetted this machine closely and conducted a lot of research prior to purchasing it. We initially were looking for a laser-cutting machine, and plenty of people tried to convince us that a fiber-laser was the way to go.
“However, our parts are long and rectangular,” he continues, “without any contours or circles. We wanted to eliminate the separate blanking oper- ation and find a solution that allowed us to process an entire sheet with com-
mon-line cutting, without having to shake out parts at the end. The punch- shear has accomplished just that. As a result, we sold one of our turret punch presses and one of our shears, and now use our remaining turret press and shear as backups. The machine has
solved the shear and punch part of our puzzle; our goal now is to examine our forming and spot-welding processes.”
MF
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