Abstract
Experiments were conducted on the ultrasonic machining of different workpiece materials—glass, porcelain, ferrite and alumina—using various tool materials. The effects of mechanical properties of the workpiece and tool materials on surface roughness and accuracy were analysed. The influences of the type and size of the abrasive grains used and the amplitude of ultrasonic oscillations were studied. An attempt was made to study the influence of the rotation of the workpiece, in addition to an ultrasonically oscillated tool, on the material removal rate and surface roughness of the workpieces produced. The rotary mode of ultrasonic maching was found to be superior to conventional ultrasonic machining.
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