Cutter plate for milling tool

Details Cutter plate for milling tool Cutter plate for milling tool

1997-07-25

1999-02-23

Pitts, Andrea L.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 57, 407 62, 407114, 82 13, B23C 0512

Patent

active

058736816

ABSTRACT:
A cutter plate (20) for a milling tool (10), has a top surface (26) with fastening hole and a bottom surface (28) with a thread cutting profile. Between these two faces (24, 26) and at a side surface (28), a cutting edge (32) is formed which is adjoined in the top surface (24) by a chip guide groove (34) with chip outlet edge (36). The cutting edge (32) and the chip outlet edge (36) are disposed on helicoidal paths (38, 40) which diverge in top view. Tooth edges (42) on the side surface form angles (b) with the top surface (24). The cutter plate (20) can be installed obliquely to the tool axis, for example the shaft of the tool in order to achieve a soft first cut, which has a higher degree of quiet running, longer tool life, and a lower cutting pressure of the tool and to effect higher stability of the tool, in particular with small shaft diameters.

REFERENCES:
patent: 4115024 (1978-09-01), Sussmuth
patent: 4655648 (1987-04-01), Hellbergh
patent: 5059069 (1991-10-01), Lagerberg
patent: 5098232 (1992-03-01), Benson
patent: 5325748 (1994-07-01), Ehrengerb

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