Method for monitoring yarn tension in yarn manufacturing process

Details Method for monitoring yarn tension in yarn manufacturing process Method for monitoring yarn tension in yarn manufacturing process

1998-05-22

2000-01-11

Mansen, Michael R.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

3644701, 364 124, 364 401, 425135, B65H 5400, G06F 1900, G02B 618

Patent

active

060141042

ABSTRACT:
The yarn manufacturing process is monitored by detecting a yarn tension while the yarn spun by a spinning device is wound by a winding device. The yarn tension detected by the yarn tension sensor is corrected based on the rate of change in a winding condition such as a traverse speed or a winding speed, and whether the yarn manufacturing process is in a normal condition or not is judged based on the corrected tension. Also, an abnormal judging reference is corrected based on the rate of change in a winding condition, and whether the yarn manufacturing process is in a normal condition or not is judged based on the corrected abnormal judging reference.

REFERENCES:
patent: 3683160 (1972-08-01), Windley
patent: 4195345 (1980-03-01), Artzt et al.
patent: 4394986 (1983-07-01), Hasegawa et al.
patent: 5463557 (1995-10-01), Nakano et al.
patent: 5621637 (1997-04-01), Spahlinger
patent: 5710708 (1998-01-01), Wiegand

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