Control apparatus for a warp knitting machine

Details Control apparatus for a warp knitting machine Control apparatus for a warp knitting machine

1974-04-22

1976-04-20

Feldbaum, Ronald

Textiles: knitting

United needle machines

Straight

66154A, D04B 2300, D04B 2700, D04B 1566

Patent

active

039509427

ABSTRACT:
The guide bars of a warp knitting machine are automatically controlled in accordance with a desired pattern in synchronism with the rotation of a main shaft of the machine through control apparatus comprising a memory capable of storing information on a pattern of stitches to be formed, a control controlling rotation of the main shaft and giving instructions to the memory to produce a pattern signal for each course, a signal distributor receiving the pattern signals from the memory, and respective servo drive mechanisms for each guide bar and each including a servo motor. Responsive to the pattern signal from the signal distributor, each servo motor controls the length of linear movement of its associated guide bar. The signal distributor is a pulse distributor, and the pulses are effective to step the servo motors through predetermined angles of rotation with the rotation of each servo motor being converted into a corresponding linear displacement of an element for operating the associated guide bar.

REFERENCES:
patent: 3089322 (1963-05-01), Bruce et al.
patent: 3402308 (1968-09-01), Henscske
patent: 3453510 (1969-07-01), Kreuter et al.
patent: 3457482 (1969-07-01), Sawyer
patent: 3575653 (1971-04-01), Guewa
patent: 3626725 (1971-12-01), Fertig et al.
patent: 3628119 (1971-12-01), Abraham
patent: 3630052 (1971-12-01), Fertig et al.
patent: 3660704 (1972-05-01), Paine et al.
patent: 3668904 (1972-06-01), Murenbeeld
patent: 3762184 (1972-10-01), Schur et al.
patent: 3777245 (1973-12-01), May

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