Patent ID: 6241430
Filing Date: 2001-06-05
Classification: B23B,Y10T

Abstract:
A turning insert comprising a polygonal body of hard material and including upper and lower surfaces disposed in substantially parallel respective planes, and a plurality of side surfaces each disposed between the upper and lower surfaces; the body including at least one cutting corner formed by two of the side surfaces, those two side surfaces constituting leading and trailing side surfaces, respectively, during a cutting operation; at least the upper surface including a chip former disposed therein; the cutting corner defining a nose having a bisector plane; the chip former being asymmetrically arranged relative to the bisector plane, the chip former comprising an inclined wall having a portion situated adjacent the nose and being of convex shape as viewed in a direction perpendicular to the upper surface; the convex portion including a lower edge intersected at least at two locations by the bisector plane, the body including a center through-hole extending from the upper surface to the lower surface for accommodating a fastener, the center through-hole being intersected by the corner bisector.