Plasma cutting system

Details Plasma cutting system Plasma cutting system

1985-03-18

1986-12-30

Paschall, M. H.

Electric heating

Metal heating

By arc

228 491, 269289MR, 269 56, B23K 1500

Patent

active

046330550

ABSTRACT:
The plasma cutting system of the invention includes a constant height plasma arc cutter, a rolling table and a plasma cutter carrying gantry driven from opposite sides. The rolling table is rolled from a loading position where metal sheets are positioned thereon to a cutting position beneath the plasma arc cutter. The plasma arc cutter is held at a constant height above the rolling table. Each metal sheet loaded onto the rolling table is supported on adjustable pins. The entire cutting area is enclosed and vented. The plasma cutter and the rolling table are supported by the cutting system support. A cutter housing supports a transparent curtain, and the transparent curtain encloses the plasma arc cutter. A gantry is supported by the cutter housing, and the gantry supports the plasma cutter. The rolling table includes a table frame, adjustable pins and table wheels. The adjustable pins and the table wheels are connected to the table frame. The adjustable pins extend above and below the pin engaging portion of the table frame. The plasma arc cutter includes a plasma arc cutter member and a cutter positioner. The plasma arc cutter member includes a plasma arc cutting portion and a programmable cutter control. The cutter positioner includes a cutter support and a programmable cutter position controller. The cutter support includes a gantry and a rotatable pinion at each end of the gantry.

REFERENCES:
patent: 3889095 (1975-06-01), Egan
patent: 4063059 (1977-12-01), Brolund et al.
patent: 4097713 (1978-06-01), Dunshee
patent: 4431902 (1984-02-01), Wallen

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