Cutting edge adjustment device, rotary member applied to the device, and tool body, cartridge, and cutting insert having structures suitable for the device
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United States of America Patent
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Sep 5, 2017
Grant Date -
Aug 6, 2015
app pub date -
Aug 6, 2013
filing date -
Aug 6, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cutting edge adjustment device for a cutting tool for adjusting the position of a cutting edge of a cutting insert by causing movement of the cutting insert includes a rotary member for producing the movement. The rotary member is formed into a shape in which a substantially cylindrical portion having a constant radius and a cam portion having a cam face whose radius is gradually increased in a manner corresponding to the amount of the movement are arranged in a direction of a rotational center axis. The cam face is formed in such a manner as to have a section in which a radius is linearly increased, and consequently, the unit rotational angle of the rotary member on the rotational center axis is proportional to the unit movement amount of the cutting insert.
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