Toolholder clamping wedge with insert engaging protrusions

Details Toolholder clamping wedge with insert engaging protrusions Toolholder clamping wedge with insert engaging protrusions

1995-02-24

1996-12-24

Rachuba, M.

Cutters, for shaping

Including holder having seat for inserted tool

With separate means to fasten tool to holder

407108, B23B 2716, B23B 2904

Patent

active

055868444

ABSTRACT:
A toolholder for indexable cutting inserts includes a holder body forming an insert site. A pin projects upwardly at the insert site for entering a center hole of an insert. A clamping wedge is attached to the body by a screw. A rear end of the wedge engages an inclined supporting surface of the body, and a front end of the wedge engages the insert. By tightening the screw, the front end of the wedge pushes against the insert simultaneously downwardly and forwardly to press the insert against the pin and a floor of the insert site. The front end of the wedge includes a pair of forwardly projecting upper protrusions for engaging the top face of the insert, and a pair of forwardly projecting lower protrusions for engaging an edge face of the insert. The upper protrusions, and also the lower protrusions are disposed on opposite sides of an imaginary plane which contains the axis of the pin and the axis of the clamping screw.

REFERENCES:
patent: 2897580 (1959-08-01), Huber
patent: 3837058 (1974-09-01), Barkley et al.
patent: 3905081 (1975-09-01), Wirfelt

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