Closed loop apparatus for cutting sheet material

Details Closed loop apparatus for cutting sheet material Closed loop apparatus for cutting sheet material

1977-04-22

1979-01-09

Abercrombie, Willie G.

Cutting

With means to monitor and control operation

Including means to correct the sensed operation

83174, 83747, 83756, 83925CC, B26D 500, B26F 138, D06H 700

Patent

active

041332350

ABSTRACT:
A method and apparatus for cutting sheet material utilizes a closed loop automatically controlled cutting machine having a reciprocating cutting blade as the cutting tool. Sheet material to be cut is spread in multiple plies to form a layup, and the cutting blade and the material are then moved relative to one another in cutting engagement along predefined lines of cut. During cutting, a sensor detects a cutting parameter that is affected by the interaction of the cutting blade and sheet material, and signals provided by the sensor are fed back in the closed loop automatic control mechanism to adjust or initiate further steps in the cutting operation. Such adjustment or initiation alters the cutting machine operation for cutting conditions in real time in order to improve the overall performance of the machine.

REFERENCES:
patent: 3772949 (1973-11-01), Pavone et al.
patent: 3803960 (1974-04-01), Pearl et al.
patent: 3848490 (1974-11-01), Arel
patent: 4016787 (1977-04-01), Sugimoto

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