Some features of using a spiral drill with a stepped blade for processing holes in elastic-viscous materials
The main advantages and disadvantages of well-known spiral drills with a multi-stage blade. It is described that the bridge, together with the steps adjacent to the grooves, is a small centering drill, performs centering and drilling during the process.
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This work is devoted to the decision of scientific and technical problems of the day, namely to the development of scientific and methodological bases of forming of structural and phase composition of alloys synthesized by the combined processes
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