Multi-spindle machine retrofit system
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United States of America Patent
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-
Apr 18, 2000
Grant Date -
N/A
app pub date -
Jun 6, 1997
filing date -
Jun 7, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A retrofit system for a multi-spindle machine which includes a brake clutch (72), a feed clutch (70), and a high speed clutch (68) which are incorporated into the drive train gear layout of the multi-spindle machine. All three clutches are controlled by an electrical control circuit which includes a timer (80). When the multi-spindle machine shifts from high speed to low speed the control system activates the brake clutch for a short time period set in the timer, which causes the drive train gears to quickly slow down, allowing synchronous meshing with the low speed drive train of the multi-spindle machine and enabling a reduction in machine cycle time.
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