Machining method and apparatus

Details Machining method and apparatus Machining method and apparatus

1981-01-06

1983-05-31

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69G, 219 69V, 2041297, B23P 108

Patent

active

043862560

ABSTRACT:
A method of and apparatus for machining, especially electroerosion machining, of a workpiece immersed in a machining liquid received in a worktank with a tool juxtaposed with the workpiece to define a machining interface therebetween filled with the machining liquid. A plurality of ultrasonic assemblies are disposed in the worktank in such a manner that they are spaced apart from each other and arranged to surround the region of the machining interface in a wave-transmitting relationship therewith through the machining liquid and individually energized to provide ultrasonic vibrations of a frequency of 0.05 to 10 MHz which are transmitted to the region of the machining interface through the machining liquid. Each of the ultrasonic assemblies is formed with a fluid injection nozzle and positionable to orient the latter in the direction of the machining interface, through which nozzle a forced flow of the machining liquid is provided from a liquid source. The ultrasonic vibrations are thus imparted at each nozzle to the machining liquid forced in the direction of the machining interface. The ultrasonic transducers are responsive to a gap parameter and an additional vibration of less than 50 KHz can be impressed on the machining liquid.

REFERENCES:
patent: 3378473 (1968-04-01), Inoue
patent: 3717567 (1973-02-01), Bodine

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