Device for controlling tension of tape for use in automatic tape

Details Device for controlling tension of tape for use in automatic tape Device for controlling tension of tape for use in automatic tape

1989-04-28

1991-07-16

Lindsay, Robert L.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156574, 242203, G05B 1910

Patent

active

050322117

ABSTRACT:
A device for controlling the tension of a tape for use in an automatic tape affixing apparatus includes a tape affixing head movable in X axis, Y axis, Z axis, the tape affixing head carrying a tape supply reel, a tape take-up reel, a tape presser roller, and a tape positioning mechanism; a control motor for controlling the torque of each of the tape supply reel and the tape take-up-reel; a sensor for the winding radius of each of the tape supply reel and the tape take-up reel; a rotary encoder for detecting the feeding amount of the tape; control means for controlling the control motor; the control means generating a torque control signal based on a signal of the winding radius of each reel from the sensor, a signal on the position of the tape from the rotary encoder, and the feeding resistance of the tape and then sends the torque control signal to the control motor so that the tape portions before and after the tape positioning mechanism are kept at the same tension.

REFERENCES:
patent: 3137767 (1964-06-01), Axon et al.
patent: 4363457 (1982-12-01), Flint et al.
patent: 4739950 (1988-04-01), Goker et al.
patent: 4799981 (1989-01-01), Stone et al.

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