Tool holder
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United States of America Patent
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-
Nov 7, 2006
Grant Date -
Aug 7, 2003
app pub date -
Dec 11, 2002
filing date -
Dec 11, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tool holder has a cutter arbor. The cutter arbor has a shank portion detachably mounted on a spindle, and a mechanism for holding a cutting tool. In the cutter arbor portion, a cavity portion is formed. In the cavity portion, a vibration damping material is filled at a filling rate so as to be capable of obtaining predetermined vibration damping characteristics. Thus, it is possible to provide high vibration damping characteristics, effectively damp vibrations during cutting and improve working precision, without using any special materials, such as damping materials, although the tool holder has a usual shape.
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