Page 58 - MetalForming October 2013

I Think I Can
With its acquisition of a full lineup of sheetmetal- fabrication equipment, PTMW has been able to not only insource fabrica- tion of signal and commu- nication houses for the railroad industry (shown), but also expand into sub- contract fabrication work for customers in other industries, including the power industry.
With the Shear
Genius right-angle shear
concept, the objective is
to provide a machine
capable of transforming
a full-size sheet into finished parts. These parts can be moved to the final production stages for immediate inte- gration into the final assembly.
The heart of the servo-electric machine is a servo-electric 30-ton punching machine rated to a maxi- mum stroke rate of 1000 hits/min. It also boasts a 250-RPM index speed and a sheet positioning speed to150 m/min.
ERP Software for Growing Manufacturers
The servo- electric actuation system makes shear movement fast and fully controlled. Workpiece capacity is 5-mm aluminum, 4-mm mild steel and 3-mm stainless steel. Automatic loading has been integrated, as has automated part removal and sorting. On average, com- pared with a standalone turret punch press, the SGe reduces total manufac- turing time by 60 percent and saves
one blank sheet out of every 10.
The SGe also eliminates wasteful skeletons and costly secondary opera- tions such as deburring. It allows the automated process to begin with a full- sized sheet of material and end with a finished part after automated loading, punching, forming, shearing and
unloading—all in one operation.
“We incorporated the Shear Bril- liance punch/shear combination we had purchased for our previous sys- tem into this new FMS, for added punching capacity,” explains Sean Ryan, vice president of production. “The new SGe is faster than the older hydraulic models...we don’t have to worry about the hydraulics warming up. We have consistency from the time we start the machine until the time we shut it down. We punch aluminum, galvanneal and some stainless steel. We also incorporated an inkjet printer on the machine that helps us identify
parts and track back material.”
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MetalForming/October 2013 www.metalformingmagazine.com