Tool holder for lathe and lathe provided with the tool holder
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United States of America Patent
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Sep 21, 2021
Grant Date -
Apr 25, 2019
app pub date -
Aug 21, 2018
filing date -
Oct 23, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A tool holder for a lathe having a spindle permits improved arrangement of tools on a turret to maximize the allowable workpiece outer diameter for a given tool. A Z-axis feed mechanism moves the spindle and the turret relative to each other in a Z-axis direction along a center axis of the spindle, while an X-axis feed mechanism moves the spindle and the turret relative to each other in an X-axis direction orthogonal to the Z-axis direction. A plurality of tool holders is attached to the turret, each having a tool holding part. At least one of the tool holders holds the tool at a holding position such that, when indexed to a machining position by rotation of the turret, a cutting-edge reference point of the tool is offset with respect to an X-Z plane including a center axis of the turret.
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