Composite NC lathe
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United States of America Patent
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-
Sep 30, 2003
Grant Date -
Feb 7, 2002
app pub date -
Jun 26, 2001
filing date -
Oct 28, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A two-opposed-main-shaft type composite NC lathe provided with a tool changeable tool spindle and tool turrets, comprising: a left turret rest and a right turret rest provided on a lower front side of a left main shaft and a right main shaft facing each other on a Z-axis; a third tool rest positioned on an upper rear side of the left and right main shafts and provided with a tool spindle; a tool magazine holding tools therein which are to be fixed to the third tool rest; and an automatic tool changing device. The left and right main shafts are provided with main shaft motors capable of controlling a C-axis and being driven independently and synchronously with each other. The tool spindle on the third tool rest is capable of controlling the directions of the Z-axis, an X-axis, a Y-axis and a B-axis and fixing the rotations thereof.
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