Consumable electrode type AC pulse arc welding apparatus

Details Consumable electrode type AC pulse arc welding apparatus Consumable electrode type AC pulse arc welding apparatus

1998-04-07

1999-11-23

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913051, B23K 909

Patent

active

059904453

ABSTRACT:
The consumable electrode type AC pulse arc welding apparatus is configured so that the pulse width setting circuit 16 includes the pulse width setting device 16a for hard wire, the pulse width setting device 16b for soft wire and the switch SW2 for switching the pulse width setting device. Further, the frequency setting device 20 includes the frequency setting device 20a for hard wire, the frequency setting device 20b for soft wire and the switch SW3 for switching the frequency setting device. By switching the switch SW1 when switching wire type, within the pulse width setting devices and the frequency setting devices, the selection between the hard wire side and the soft wire side can be simultaneously switched, thereby welding can be implemented with a suitable welding condition according to the wire type.

REFERENCES:
patent: 4608482 (1986-08-01), Cox et al.
patent: 4876433 (1989-10-01), Kashima et al.
patent: 5017757 (1991-05-01), Kawai et al.
patent: 5220151 (1993-06-01), Terayama et al.
patent: 5349159 (1994-09-01), Mita et al.

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