Abstract and keywords
Abstract (English):
The investigation results of the tool geometry impact upon accuracy of holes worked in hard-to-machine parts at the ultrasonic oscillation introduction in a cutting area are shown. The processes of hole reaming in parts made of stainless steel and titanium alloys at ultrasonic oscillation application upon a tool are considered. Tool basic parameters defining the accuracy of holes obtained are defined. The regularities of the impact of face and back angles of reamer cutting ends, an angle of an intake cone and a tool spiral direction upon a hole smash are revealed.

reaming, reamer geometry, hole accuracy, ultra-sonic oscillations, hard-to-machine materials
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