Multiple spindle machine having independently variable speed and feed rates
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United States of America Patent
Stats
-
Oct 25, 1988
Grant Date -
N/A
app pub date -
Apr 23, 1986
filing date -
Apr 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multiple spindle machine includes a plurality of spindles mounted in a spindle assembly which sequentially indexes workpieces through a plurality of spindle stations by rotating the spindle assembly around its axis. The control and drive system for the multiple spindle machine includes a first variable speed motor for driving the spindles and a second variable speed motor for driving a camshaft. The camshaft drives the indexing mechanism and a main cam which reciprocates a tool slide and a first set of tools mounted on the tool slide relative to the spindle assembly. A second set of tools is mounted around the spindle assembly and independent NC motors drive the second set of tools. A microprocessor independently controls the speed of the first and second variable speed motors and the NC motors to provide flexible control of the multiple spindle machine.
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