Portable electromagnetic drilling machine

Details Portable electromagnetic drilling machine Portable electromagnetic drilling machine

1983-11-30

1985-09-17

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Magnetic or suction means

408241G, 408712, B23B 4514

Patent

active

045417598

ABSTRACT:
The invention concerns a portable electromagnetic pneumatic power drill. It may be used to make rivet or bolt holes in structural steel girders in guilding and bridge construction. The base of the drill stand is secured to the steel workpiece by electromagnetism. Exhaust air from the drill head cools the electromagnetic base as well as the bit and workpiece. Drill chips are diverted by the exhaust stream and deflected from the rack slide mechanism by a shield. This allows the slide to approach the base and workpiece very closely to improve steadiness and accuracy of drilling.

REFERENCES:
patent: 1630835 (1927-05-01), Doyle
patent: 2876663 (1959-03-01), Buck
patent: 3791755 (1974-02-01), Warren

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