Effect of the Contact Angle between the Cutting Edge and Surface of Cut on the Flank Wear Width in Turning Operations

Sherko A. T. Baban, & Safeen Y. Kasab

College of Engineering, Salahaddin University

In metal cutting studies, the flank wear width (VB) is commonly used as a criterion or as a limit
measure for the cutting tool life. From the point view of this work, there is a critique concerning the traditional
limit measure (vB). The researchers in this domain do not take the diameter of the work-piece into
consideration. In this situation, the contact angle, between the tool and the work-piece, should be determined
from the limit measure of flank wear width. This work deals with the effect of the work-piece diameter on the
limit measures and proposes a related limit measure for each diameter' For the experimental approach, certain
confirmation tests were achieved. It seems that the work-piece diameter could modify the limit measure and it
could be increased for large diameters, or decreased for small ones'

Keywords:-Flank wear, Flank wear land, surface roughness, contact angle.


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