Page 29 - MetalForming September 2013

Conveying Solution
Laser-cut parts—some of which are formed in press brakes—route to one of several manual weld booths at Virnig. “Fitup tolerances with the laser-cut parts are as tight as 0.002 in.,” says Dean Virnig. “That’s a vast improvement from the 0.05-in. tolerances we were getting with plasma, and results in as much as a 10-percent decrease in weld time.”
(also with a 6000-W CO2 resonator, and with a maximum sheet size of 1500 by 3000 mm).
The BySprint Pro features upgrad- ed piercing and cutting technology, and significantly greater acceleration pierce-to-pierce, which Virnig believes will really pay off when processing its more hole-intensive sheet nests. Max- imum acceleration is 12 m/sec.2 (com- pared to 3 m/sec.2 with the Bystar 4020), and maximum velocity is 140 m/min. (85 m/min. with the Bystar). “We’ll leave the nests with fewer pierces and that require fewer non- cutting moves to the Bystar,” Virnig says.
And yes, Virnig also equipped his newest laser-cutting machine with a Mayfran shuffle-drive conveyor under- neath and an elevating conveyor to move material up and out to a bin. He again notes that “since the operator doesn’t have to empty part drawers, he’ll be able to tend to both cutting machines.” MF
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Rousselle presses are offered in single point gap, two-point gap, two-point straight side and adjustable bed styles from 15-400 tons. All presses carry
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