192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1983-06-17
1987-02-24
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 0096, 192 0098, F16D 4320
Patent
active
046450483
ABSTRACT:
A drive mechanism for a machine such as a machine tool or robot includes a rotatable shaft, e.g. a lead screw or spindle, drivingly connected with a movable element, e.g. a worktable or tool support, in the machine, a drive shaft for rotation by a motor and a coupling unit, e.g. clutch or gear transmission, for drivingly connecting the drive shaft with the rotatable shaft to move the movable element in a predetermined form of movement under a variable load in the machine. Encoders are provided in a rotation-sensing relationship with the drive shaft and the rotatable shaft, respectively, to feed two trains of rotation-responsive pulses into a differential counter which provides a difference in angle of rotation signal representing an instantaneous torque produced at the drive coupling unit between the drive and rotatable shafts. The differential signal and a preset signal set in a setting circuit, representing a predetermined value of torque are processed in an output circuit which produces a control signal which is used to control the motor or the coupling unit so as to maintain the torque between the drive and rotatable shafts substantially at the reference value.
REFERENCES:
patent: 3385986 (1968-05-01), Smith
patent: 3757912 (1973-09-01), Ball, Jr. et al.
patent: 3915271 (1975-10-01), Harper
patent: 4364459 (1982-12-01), Futehally
patent: 4377222 (1983-03-01), Sommer
patent: 4403682 (1983-09-01), Norris et al.
patent: 4433769 (1984-02-01), Scuccato et al.
patent: 4457411 (1984-07-01), Hiramatsu
patent: 4466526 (1984-08-01), Howlett et al.
patent: 4485443 (1984-11-01), Knodler et al.
Bonck Rodney H.
Dubno Herbert
Inoue Japax Research Incorporated
Ross Karl F.
Towner Alan G.
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