ANALYSIS OF FINISHING VERY PRECISE HOLES BY THE REAMING HEAD MT3

Abstract

The paper deals with the analysis of the finishing of very precise holes by the applied MT3 reaming head from FINAL Tools Inc. In the case of a narrow range of customers with particularly high demands on the quality of the holes is currently appearing effort to elaborate a detailed evaluation of surface quality through evaluation of surface integrity. These facts led to the design of an experimental part in the form of an analysis of the surface integrity of the test holes machined by the reaming head MT3 during its durability. Surface integrity was assessed from the point of view of circularity, cylindricality, surface roughness, surface defects controlled by electron microscopy, microhardness and metallographic analysis of lateral extrusion. For the completeness of the measured parameters, the dimension of the reamed test holes was also measured.

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