Control arrangement comprising synchroneous signal for knitting

Details Control arrangement comprising synchroneous signal for knitting Control arrangement comprising synchroneous signal for knitting

1993-05-10

1994-05-03

Crowder, Clifford D.

Textiles: knitting

United needle machines

Straight

66203, 364470, 318 41, D04B 2300, G06F 1546

Patent

active

053076486

ABSTRACT:
A warp knitting machine comprises at least one guide bar and one main shaft. The angular position of the main shaft is determined by an absolute transmitter, while the position of the guide bar is determined by an absolute transmitter. Each transmitter can provide a different signal value for each angular position of the main shaft and for each guide bar position. A continuous displacement function is developed for the guide bar. This function relates each measured angular position of the main shaft with a position target value for the guide bar. A position control circuit controls a setting motor that displaces the guide bar. In this way, the danger of collision between elements of the guide bars and other working parts of the machine are practically totally avoided.

REFERENCES:
patent: 4135115 (1979-01-01), Seeger et al.
patent: 4364002 (1982-12-01), Suzuki et al.

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