Method of monitoring the moving yarn at a winding station of an

Details Method of monitoring the moving yarn at a winding station of an Method of monitoring the moving yarn at a winding station of an

1996-12-11

1998-03-10

Mansen, Michael

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 37R, 364470, B65H 6300, B65H 6302

Patent

active

057251657

ABSTRACT:
A method for monitoring a traveling yarn at a winding station of an automatic winding machine having an electronic slub catcher which produces an AC voltage signal proportional to a dynamic yarn signal responsive to yarn movement and a yarn cutting signal responsive to a fluctuation in yarn dimension outside a predetermined tolerance range includes the steps of producing a static yarn signal responsive to the presence of yarn in the electronic slub catcher, monitoring and evaluating the static yarn signal, producing a separating signal responsive to the absence of static yarn signal due to the absence of yarn from the slub catcher and monitoring and evaluating the separating signal.

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patent: 4924406 (1990-05-01), Bergamini et al.
patent: 5082194 (1992-01-01), Grecksch et al.

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