Cutters – for shaping – With chip breaker – guide or deflector – Comprising concave surface in cutting face of tool
Patent
1980-12-23
1982-07-20
Vlachos, Leonidas
Cutters, for shaping
With chip breaker, guide or deflector
Comprising concave surface in cutting face of tool
407117, B26D 100
Patent
active
043403255
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. In a second embodiment of the subject invention, a planar land area is provided between the cutting edge and the groove for effectively spacing the groove from the cutting edge. In the latter embodiment, the groove is defined by two arcuate segments which are disposed in mirror image relationship about a central rib. In use, the insert functions to reduce the width and length of said chips thereby increasing the efficiency of the grooving tool.
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General Electric Co.
Kearns Jerry
Vlachos Leonidas
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