Ultrasonic machine having amplitude control unit

Details Ultrasonic machine having amplitude control unit Ultrasonic machine having amplitude control unit

1991-06-03

1992-04-07

Kisliuk, Bruce M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

83701, 173 11, B24B 4916

Patent

active

051015994

ABSTRACT:
An amplitude control unit for an ultrasonic machine comprises a load detector for detecting the load applied to the tip of a tool during ultrasonic machining on the work, a load/amplitude conversion circuit for converting the load output detected by the load detector into an amplitude conversion value appropriate for the load at the tip of the tool, an amplitude addition circuit for receiving the amplitude conversion value generated by the load/amplitude conversion circuit and for adding it to a predetermined amplitude value at no load. The vibration of the piezoelectric transducer is changed to correspond to the load applied to the work by sending the new amplitude value generated by the amplitude addition circuit to the high frequency oscillator.

REFERENCES:
patent: 2504831 (1950-04-01), Griss
patent: 2942383 (1960-06-01), Brown et al.
patent: 3668486 (1972-06-01), Silver
patent: 4934103 (1990-06-01), Campergue et al.

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