Control system for a spinning machine

Details Control system for a spinning machine Control system for a spinning machine

1996-07-31

1997-12-09

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57 75, 57 98, 57 99, 57100, 57136, D01H 746, D01H 792

Patent

active

056947577

ABSTRACT:
A spinning machine has a third guide eye rail, a third balloon-confining ring rail and a traveller ring rail each of which may be operated by a flexible member from a windless drum and the latter can have an electric motor drive. According to the invention, instead of storing all of the points defining the time course of the movement of the rail, a selected number of points such as starting points for the mean path and amplitude, one or more envelopes, and the amplitude or double amplitude of the oscillation superimposed upon the mean path are determined and a corresponding time course is generated. From the time course at given times determined by the oscillation, the maxima and minima of the path is produced by the evaluation and control unit and used to reverse the motor which raises and lowers the respective rail. By eliminating the need to fully plot and store points representing the entire path, the storage capacity of the computer of the unit can be more limited and control is more reliable and precise.

REFERENCES:
patent: 5551223 (1996-09-01), Nickolay
patent: 5595056 (1997-01-01), Scheufler

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