Method of controlling web cutting

Details Method of controlling web cutting Method of controlling web cutting

1977-02-17

1978-08-01

Wise, Edward J.

Boots, shoes, and leggings

83 74, 318600, G05B 1926, B26D 520

Patent

active

041047230

ABSTRACT:
A method for controlling the speed of a rotary cutter to cut a continuously ed web accurately into predetermined lengths. A desired cutting length and the circumference of the rotary cutter are preset. The web speed as detected is multiplied by a coefficient equal to the cutter circumference divided by the cutting length. The resultant signal is compared with the cutter speed as detected, and, if there is any difference, the cutter speed is corrected for accurate cutting.

REFERENCES:
patent: 3490147 (1970-01-01), Brichard, et al.
patent: 3714393 (1973-01-01), Johnson, et al.
patent: 3916174 (1975-10-01), Moule
patent: 3941986 (1976-03-01), Santucci
patent: 3956617 (1976-05-01), Schmidt
patent: 3982454 (1976-09-01), Schneider, et al.
patent: 4020406 (1977-04-01), Tokuno, et al.

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