Multiple-spindle automatic lathe
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United States of America Patent
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-
Feb 3, 1987
Grant Date -
N/A
app pub date -
Apr 3, 1985
filing date -
Aug 6, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a multiple-spindle automatic lathe with several work spindles. In accordance with the invention, each of the work spindles comprises an associated electric motor. Associated with the electric motors are supply devices with at least one stationary means fed from an external voltage source and at least one rotatable means cooperating therewith. Also provided are speed and position control devices comprising per work spindle one rotary angular position detector means each for absolute value angle coding including a detector rotating synchronously with the work spindle and a stationary sensor means.
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