Rotary cutter for cutting a continuous corrugated strip

Details Rotary cutter for cutting a continuous corrugated strip Rotary cutter for cutting a continuous corrugated strip

1989-07-25

1990-09-18

Spruill, Robert L.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

72194, 72331, 83303, 83304, 83337, B21D 1304

Patent

active

049569872

ABSTRACT:
A high speed rotary cutter includes a toothed counterwheel which has plural radial slots extending in the axial directions. First cutting blades are slidably received in the radial slots, each of which has a first cutting edge on its outer end. The first cutting edge is inclined to the line which is perpendicular to the advancing direction of the continuous corrugated strip. The movement of the first cutting blade between a projected and restored position thereof is controlled by a fixed cam which is located inside of the toothed counterwheel. The rotary cutter also includes a second cutting blade which has a second cutting edge on its outer end and is aligned to the first cutting blade so that the continuous corrugated strip is sheared at the crossing point of the first and second cutting blades. The first and the second cutting blades are biased to be engaged with each other for cutting the fin. The crossing point of the first and second cutting edges moves to the rotation of the toothed counterwheel, so that the continuous corrugated strip is sheared at whole width.

REFERENCES:
patent: 2405204 (1946-08-01), Goodrich
patent: 2951410 (1960-09-01), Brown
patent: 3071175 (1963-01-01), Karkoska
patent: 3460228 (1969-08-01), Turner
patent: 4685318 (1987-08-01), Ueda et al.

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