Punch press with cutting torch

Details Punch press with cutting torch Punch press with cutting torch

B - Operations, Transporting

23

K

327/31

B23K 9/04 (2006.01) B08B 15/00 (2006.01) B21D 28/26 (2006.01) B23K 10/00 (2006.01)

Patent

CA 1049102

Abstract of the Disclosure Small and regularly shaped holes are formed in a workpiece by the punch of a punch press while large and irregularly shaped holes are formed by a plasma-arc torch attached to the punch press. Fumes and molten metal resulting from operation of the torch are directed into an upright duct which underlies the workpiece, the upper end of the duct engaging the workpiece to prevent deformation thereof. When the punch is operating, the upper end of the duct is retracted downwardly to provide clearance for movable clamps which grip and position the workpiece. Additional fumes are collected in and sucked from a shroud which encloses the tip of the torch and which carries a collar for establishing the stand-off height of the torch.

278462

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