Abstract: A cutting insert for use in a deep grooving tool is formed from an elongated generally rectangular block of cutting material having a cutting end. The insert includes a straight cutting edge, disposed perpendicular to the longitudinal axis of the insert and is defined by the juncture between one side edge of the cutting end and the leading surface of the insert. The leading surface of the insert, which is configured for controlling chips, includes a V-shaped ridge, spaced from the cutting edge and oriented such that the apex portion thereof is disposed closest to the cutting edge. The leading surface of the insert further includes a groove, which is contiguous with the V-shaped ridge, and extends towards the cutting edge. In one preferred embodiment of the subject invention, the groove is substantially planar in configuration and extends to and is contiguous with the cutting edge.

Abstract: A face grooving tool is disclosed for machining circular grooves in a metal workpiece. More particularly, a face grooving tool includes an elongated shank having an arcuate support blade projecting axially outwardly from one end thereof. The leading surface of the support blade includes an offset V-groove configuration, with the vertex thereof being located nearer to the radially inner surface of the support blade than the radially outer surface. By this arrangement, the radially outermost portion of a cutting insert, which is receivable in the offset groove, is provided with added support during a cutting operation. The arcuate configuration of the support blade enables the blade to be received in the circular groove being machined in the workpiece thereby providing continuous support for the insert.