Angle iron cutting

Details Angle iron cutting Angle iron cutting

1979-07-03

1981-03-17

Meister, J. M.

Cutting

With control means responsive to replaceable or selectable...

83405, 83519, 83563, 83560, 83618, B26D 700, B23D 2300

Patent

active

042559936

ABSTRACT:
A method and apparatus for acting on angle irons or the like. A vertical stack of angle irons is provided and the angle irons are fed one at a time to a punching position. At the punching position a hole of selected size is punched in the angle iron, and the angle iron is fed from the punching position in a linear direction of movement to a cutting position. The length of the angle iron to be cut is determined by measuring the length of angle iron in the direction of movement past the cutting position, and the angle iron is cut at the cutting position. Cutting is accomplished using a crankshaft with at least one cutting blade operatively connected to the crankshaft at a portion thereof offset from a line between the bushings, guide structures being provided for guiding the linear movement of the cutting blade. Each cut angle iron is removed from the cutting position in a direction normal to the linear direction of movement of the angle iron to the cutting position. A computer may be provided for controlling operation of all motors to affect selection of punch sizes and cutting blades, and to affect operation of all the power mechanisms.

REFERENCES:
patent: 515746 (1894-03-01), Cameron et al.
patent: 994755 (1911-06-01), Kraut
patent: 1241259 (1917-09-01), Wurts
patent: 1446415 (1923-02-01), Connelly
patent: 3498167 (1970-03-01), Hill
patent: 3854358 (1974-12-01), Kruse

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