Controller for cutting sheet material

Details Controller for cutting sheet material Controller for cutting sheet material

1985-04-30

1986-06-17

Yost, Frank T.

Cutting

With means to monitor and control operation

Including means to correct the sensed operation

83288, 83303, 83363, 83364, 83369, 83370, B26D 526

Patent

active

045949239

ABSTRACT:
A controller for cutting sheet material so that inferior or incomplete sheet material is eliminated is characterized by the provision of means for detecting a length of sheet passing through a rotary cutter which continuously cuts the sheet material, means for calculating a length of sheet moving until the sheet is cut after a shear is started, and means for controlling the start timing of the shear so that a cut portion of sheet cut first by the shear coincides with a cut portion of sheet cut by the rotary cutter.

REFERENCES:
patent: 4020406 (1977-04-01), Tokuno et al.
patent: 4170155 (1979-10-01), Saito et al.
patent: 4380943 (1983-04-01), Evans
patent: 4387614 (1983-06-01), Evans

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