Electromechanical apparatus for producing an axial force for act

Details Electromechanical apparatus for producing an axial force for act Electromechanical apparatus for producing an axial force for act

1987-08-27

1988-05-31

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

74 8915, 409233, H02K 706, B23B 3128

Patent

active

047483571

ABSTRACT:
An electromechanical apparatus for producing an axial force for the actuation of a clamping device, such as a chuck that rotates with the arbor of a machining tool. The apparatus includes an electric motor that has a stator and a rotor, with the relative movement between the rotor and stator being transferable, via a gear system and a shaft drive as an axial movement, to a tie rod which is preferably hollow. In order to have a small overall size, and to reduce the frictional forces that occur during actuation, the rotor is connected with a gear wheel in which meshes at least one pinion that is secured to a shaft that is mounted in a housing in such a way that it cannot shift axially. Disposed on the shaft is a nut that in turn is connected to the tie rod, which is axially movably mounted in the housing.

REFERENCES:
patent: 2909965 (1959-10-01), Vlieg
patent: 3220313 (1965-11-01), Schroeder
patent: 3575434 (1971-04-01), Kiwalle
patent: 4413938 (1983-11-01), Kuczenski
patent: 4604008 (1986-08-01), Bone

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