Ultrasonic motor having a vibratory body and method of producing

Details Ultrasonic motor having a vibratory body and method of producing Ultrasonic motor having a vibratory body and method of producing

1996-08-05

1997-11-04

Rachuba, Maurina T.

Cutting

Other than completely through work thickness or through work...

Grooving

83876, 83 35, 409131, 409198, B26D 306

Patent

active

056828055

ABSTRACT:
An ultrasonic motor with a vibratory body which has plural groove groups formed in a surface of the vibratory body. Each groove group has at least two grooves which are formed parallel to one another. If the vibratory body has an annular shape, a groove forming member having as many cutting members as grooves in each groove group moves in a radial direction of the vibratory body while the cutting members rotate, simultaneously cutting each groove of a groove group in the surface of the vibratory body. When advancing vibratory waves are generated in a circumferential direction of the vibratory body, the state of vibration of the grooves in a groove group differs, and the resonance of the grooves is suppressed. If the vibratory body has a linear shape, the cutting members rotate as the groove forming member moves perpendicular to the vibratory body, simultaneously cutting each groove of a particular groove group.

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