B - Operations – Transporting – 23 – C
Patent
B - Operations, Transporting
23
C
90/28
B23C 5/20 (2006.01) B23C 5/22 (2006.01)
Patent
CA 1284737
Abstract A face milling tool is described having a rotatable holder with a plurality of cutting inserts detachably secured to an end face in a circumferentially spaced and axially and radially stepped relation. Each insert is mounted in a pocket formed in the holder end face, the pocket having a deep wedge receiving portion and an ad- jacent shallower cutting insert retaining portion. The insert retaining portion includes a flat side wall against which a cutting insert rests. The wedge receiving portion includes a concave side wall portion opposite the flat side wall and a bottom wall with a tapped hole. Each wedge includes a first side face with a convex projection for sliding movement upwardly and downwardly within the concave side wall portion and a flat second side face opposite the first side face for engaging a side face of an insert. A vertical abutment shoulder projects outward- ly from one end of the flat second side face of the wedge and this shoulder is adapted to abut an end face of the insert. A tapped hole extends vertically through the wedge and a screw extending through the wedge hole and into the tapped hole in the bottom of the pocket pulls the wedge downwardly, wedging the insert against the pocket flat side wall, thereby precisely locating and holding each insert both axially and radially.
565409
J.p. Tool Limited
Kirby Eades Gale Baker
LandOfFree
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