Turn broaching tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 29, 1989
Grant Date -
N/A
app pub date -
Oct 16, 1987
filing date -
Oct 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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