Bobbin winding control

Details Bobbin winding control Bobbin winding control

1991-03-14

1992-05-05

Gilreath, Stanley N.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 18R, 242 25R, 242 47, B65H 5428

Patent

active

051100657

ABSTRACT:
A laser beam (12) scans a filament (8) being wound onto a bobbin (42) sensing the winding angle of attack .beta. and on determining a variance of the angle from a predetermined desired angle generating a signal in a filament position monitor and control (38) for energizing a bobbin carriage drive (40) to correct the winding angle .beta.. Additionally, the laser beam (12) can scan filament (18) before it becomes the last winding on the bobbin (42) and on a climb-back or gap occurring the filament position monitor and control (38) reverses the spindle drive (41) to remove the climb-back or gap and then reassumes normal carriage drive (40) and spindle drive (41).

REFERENCES:
patent: 3319070 (1967-05-01), Schneider
patent: 4570875 (1986-02-01), Buluschek
patent: 4655410 (1987-04-01), Ruffin et al.
patent: 4838500 (1989-06-01), Graham
patent: 4920738 (1990-05-01), White et al.
patent: 4928904 (1990-05-01), Watts

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