Torque control apparatus

Details Torque control apparatus Torque control apparatus

1975-04-02

1976-07-13

Purser, Ernest R.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

81 525, 91 29, 91 59, B25B 2314

Patent

active

RE0288993

ABSTRACT:
A torque-applying apparatus having one or more torque motors each arranged for forcibly threading a first threaded member into tightened association with a corresponding second threaded member. A control is provided for controlling the operation of each torque motor to firstly seat the first threaded member relative to the second threaded member by a rapid threading operation at a low torque. When the seated condition of all of the threaded members is sensed, the control automatically operates each torque motor to slowly apply gradually increasing higher torque to provide a preselected maximum-torque, tightened condition of the threaded members.

REFERENCES:
patent: 3180612 (1965-04-01), Spyridakis et al.
patent: 3439754 (1969-04-01), Pantel
patent: 3596718 (1971-08-01), Fish et al.

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