Cutting device with a heated cutting wire and process for...

B - Operations – Transporting – 26 – D

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164/1

B26D 7/10 (2006.01) B26F 3/12 (2006.01) H05K 3/00 (2006.01)

Patent

CA 1253788

ABSTRACT OF THE DISCLOSURE Disclosed is a cutting device which is hori- zontally displaceable by means of double-acting guide cylinders and is vertically movable along vertical guide rods by means of a positioning device 10. Before cutting, the cutting device is brought into the pre- selected position by the positioning device. The heated cutting wire of the cutting device is connected to a current source via sliding contacts resting against ball bearings, over which the cutting wire is guided. The circuit of the current source contains a microswitch, the switch lug of which comes to rest against a plate during the forward movement of the cutting device and switches over the microswitch, thus ter- minating the heating of the cutting wire. This takes place at the moment when a cutting wire, after cutting through a material guided vertically over a cutting bar, penetrates into a notch in the cutting bar.

493767

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