Turn broaching tool

Details Turn broaching tool Turn broaching tool

1987-10-16

1989-08-29

Desmond, Eugene F.

Gear cutting, milling, or planing

Milling

Including means to infeed rotary cutter toward work

407 12, 407 14, 407 19, B23C 306

Patent

active

048612049

ABSTRACT:
A broaching tool is provided with at least nine cutting tool edges arranged at its circumference. The cutting tool edges cover only a certain sector along the circumference of a tool disk while leaving another sector between a first and last cutting tool edge free of cutting tool edges. This feature enables moving a tool axially relative to a work piece without first moving the tool radially relative to the work piece. Further, the tool can be moved radially without damage. These movements are performed when the sector without cutting tool edges faces the work piece. This sector without cutting tool edges has an opening angle of less than 180.degree. and it provides a spacing and free space relative to a work piece. Thus, work piece surfaces that have been machined by the cutting edges, are free of these cutting edges if and when the other sector faces the work piece.

REFERENCES:
patent: 1579888 (1926-04-01), Raszl
patent: 2407921 (1946-09-01), DeLiso
patent: 2468745 (1949-05-01), Garand
patent: 4269551 (1981-05-01), Kralowetz
patent: 4768904 (1988-09-01), Schmid
Copy of p. 28 of "Maschinenmarkt," Wuerzburg 92 (1986)34.
Copy of article entitled "Neues Fertigungsverfahren Fuer Die Massenproduktion" by Heinlein Technology.

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