Patent ID: 7922427
Filing Date: 2011-04-12
Classification: B23B,B23C,Y10T

Abstract:
1. A toolholder for use in a metalworking operation, wherein the toolholder is adapted to hold an on-edge cutting insert with a depth and having first and second opposing segments about a central plane and with a central axis therethrough, wherein each segment has at least three sides and associated corners defining end cutting edges and, wherein each segment is radially offset relative to the other, wherein the toolholder comprises: a) a body extending along a longitudinal axis and having a first end; b) a pocket extending into the first end, wherein the pocket has at least two sides and the general shape and depth of the cutting insert intended to be held therein and, wherein the at least two sides intersect to define a pocket corner; c) a primary deep relief area located within the pocket corner and associated with a segment corner of the first segment and, wherein the primary deep relief area extends substantially to the depth of the cutting insert intended to be held within the pocket; d) a primary shallow relief area located within the same pocket corner and associated with a segment corner of the second segment and, wherein the primary shallow relief area is adapted to accommodate only the segment corner of the second segment and, wherein the primary shallow relief area extends only to the depth of the second segment; and e) supports pads extending from each of the at least two sides of the pocket defining a third segment between the first and second segments.