Influence of coupling surface properties on insert fixing characteristic of indexable cutting too

Abstract

To determine the insert fixing characteristics of indexable cutting tools, we examined the maximum fixing resistance between cemented carbide and die steel, and the insert displacement behavior of a prototype tool. To examine the maximum fixing resistance, the influence of surface roughness and streak direction in the coupling surface between cemented carbide and die steel was evaluated. Then, the three-dimensional displacement behaviors of the insert against axial, radial, and anti-rotational loads were examined. Furthermore, the influences of the surface roughness and streak direction on the clamping face of the body on the insert fixing characteristics were evaluated, and the correlation with the results of the maximum fixing resistance was confirmed.