Cutters – for shaping – Including tool having plural alternatively usable cutting edges – With integral chip breaker – guide or deflector
Patent
1990-10-16
1991-07-16
Schmidt, Frederick R.
Cutters, for shaping
Including tool having plural alternatively usable cutting edges
With integral chip breaker, guide or deflector
407117, B23P 1528
Patent
active
050320505
ABSTRACT:
An improved on-edge cutting insert with chip control features and a method for manufacturing the same. An insert body having peripheral end wall regions, sides and first and second walls has cutting edges and is adapted for mounting in a pocket of a toolholder assembly. A land region extends rearwardly from the end wall region and defines a surface region of a predetermined width. A descending wall initiates in a portion of the land and terminates in a planar floor region having a forward, a rearward and opposed side edges. A back ramp extends upwardly from the planar floor rearward edge and terminates at the respective top or bottom wall. The end wall region can include at least one flat land region adjacent the land region. The flat land region defines a selectively removable portion of the end wall region and after my selective removal thereof represents no more than approximately one-third of the total eidth of the end wall region.
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Lockard Thomas A.
Niebauer Kenneth L.
Kennametal Inc.
Porcelli James G.
Schmidt Frederick R.
Shideler Blynn
Trempus Thomas R.
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