Punch press with auxillary high-energy thermal cutting device an

Details Punch press with auxillary high-energy thermal cutting device an Punch press with auxillary high-energy thermal cutting device an

1996-09-04

1998-06-09

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912139, 21912158, 21912159, B23K 1000

Patent

active

057638527

ABSTRACT:
A punch press having a high-energy, thermal melting device and an improved slag recovery system. The punch press is a bridge-type machine in which the workhead which carries the ram of the punch press and the melting tool moves along a first axis, and the workpiece is moved along a second orthogonal axis. The slag collection system is static for simplistically, economically, and reliably collecting the slag created by the melting tool, and includes a long, slot-like opening congruent with the path of the melting tool. The slot-like opening is in the top of a stationary plenum provided below the workpiece and extends down to an open bottom where a slag tray is provided to collect the slag. A vacuum source is connected to the plenum to draw gases through the slot-like opening and into the plenum for removal. A spark trap is interposed between the vacuum source and the plenum to prevent sparks from entering the vacuum source and causing a fire or explosion.

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