Cutting insert for machine tools for metalworking

Abstract

In a top view, the design consists of a rounded triangular body having a large central circular thru-hole, three triangular recesses at each corner, and a series of oval recesses arranged along the outer periphery; reproduction 1.9 is a cross-sectional view of the product shown in reproduction 1.4, taken along an imaginary plane passing through the center of the lower-left corner and the center of the central circular thru-hole, illustrating the internal stepped structure of the thru-hole; the hatching in reproduction 1.9 is provided to illustrate a cross-section and form no part of the claimed design.

Images