Tape tension and braking control device and method

Details Tape tension and braking control device and method Tape tension and braking control device and method

1990-10-25

1993-05-11

Stodola, Daniel P.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 75, 242 7547, G11B 1518, B65H 7700

Patent

active

052094227

ABSTRACT:
A method and apparatus controls reel motors to maintain an even tape tension of a tape between a supply reel and a take-up reel when a tape running mode is changed to a stop mode. One method includes the steps of: determining a supply reel period of the supply reel and a take-up reel period of the take-up reel; braking the supply reel a first delay interval after braking the take-up reel when the take-up reel period is longer than the supply reel period; braking the take-up reel a second delay interval after braking the supply reel when the supply reel period is longer than the take-up reel period; and braking the supply reel and the take-up reel simultaneously when the supply reel period equals the take-up reel period.

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