Machine tool with servo drive mechanism
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United States of America Patent
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Jul 23, 2002
Grant Date -
Jan 31, 2002
app pub date -
May 23, 2001
filing date -
Jun 27, 2000
priority date (Note) -
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Abstract
A machine tool has a cam shaft and indexing drive mechanism which is driven by a servomotor and is therefore adapted for operation within a wide range of operational parameters. An encoder mechanism provides feedback to the servo drive mechanism to effect operational control. The machine tool further comprises a variable frequency drive motor which operates the spindles of the machine tool independently of the cam shaft and indexing drive. A servo-operated threading mechanism is operable at one or more workstations of the machine tool to provide threading of parts manufactured thereby. A computer control system controls and monitors the entire operation of the machine tool.
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