Speed regulator for the warp beam of a weaving machine

Details Speed regulator for the warp beam of a weaving machine Speed regulator for the warp beam of a weaving machine

1980-09-15

1983-10-04

Kee Chi, James

Textiles: weaving

Warp manipulation

Feeding

139 97, 242 7551, D03D 4906, D03D 4910

Patent

active

044073313

ABSTRACT:
A device for regulating the speed at which a weaving machine having a dancer is supplied with warp threads from a warp beam such that the speed and tension of the warp threads are substantially constant. The warp beam is provided with a variable speed drive having an alternatingly operable coupling and brake controlled by a regulator which compares the actual speed of the drive with a reference value. The actual speed is generated by an optical tachometer connected to the drive and the reference value represents an averaged number of dancer deflections and is generated by an integrator which receives the output of a potentiometer connected to the dancer.

REFERENCES:
patent: 3072154 (1963-01-01), Locher
patent: 3125127 (1964-03-01), Locher
patent: 3893489 (1975-07-01), Bassing et al.
patent: 4129154 (1978-12-01), Bennelli
patent: 4199118 (1980-04-01), Tetro et al.

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