Page 29 - MetalForming magazine • December 2022

Fabrication: CNC Punch-Laser Combination Machines
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which results in tougher threads; and a multi-bend tool that enables a punching or punch-laser machine to form small bends to 90 deg., reducing part costs and processing time, and increasing productivity compared to moving parts to a press brake for forming.
“With this tool we can bend flanges, but we also can bump- form,” Michaud adds, “to control bend angle and to form radiused bends. And, we can use the tool to perform hemming operations, and then tap right through the hem if necessary, all in one machine setup.”
Finally, Michaud says that via sophisticated laser program- ming, the machines now can cut light-tight knockouts, useful for high-end electrical cabinets. “We program the laser to cut the knockout,” he explains, “and then use a roller deburring tool to crush the burrs back into the seam to make it light- tight.”
The bottom line: Punch-laser combination machines con- tinue to evolve to deliver efficiency gains from every angle possible—from energy to labor to machine utilization. MF
Via sophisticated laser programming, laser-punch combination machines can fabricate light-tight knockouts, useful for high-end electrical cabinets. “We program the laser to cut the knockout,” Trumpf Inc. product manager Roger Michaud says, “and then use a roller deburring tool to crush the burrs back into the seam to make it light-tight.”
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MetalForming/December 2022
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