High-speed spindle unit for machine tools
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United States of America Patent
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Jan 18, 2005
Grant Date -
Aug 14, 2003
app pub date -
Feb 11, 2003
filing date -
Feb 14, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A high-speed spindle unit for milling and drilling machines. The spindle unit has a spindle housing on the front end portion of which a terminating ring detachably mounted and a rotationally driven tool spindle which is supported in at least a front roller bearing inside the spindle housing, a ring nut being attached to the front end portion of said spindle. Between the terminating ring and the ring nut a pre-dimensioned ring-shaped gap extending in the radial direction is formed, the gap width of the gap being decreasable to zero with increasing axial load acting on the spindle.
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