High speed positive feed drill motor open loop control system
A high speed positive feed drill motor open loop control system. The motor system comprises a minimally limited inertia air turbine motor including mounting guidance and control for enabling the drill to advance into the workpiece at a rate exactly proportional to the rotational speed of the drill....
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A high speed positive feed drill motor open loop control system. The motor system comprises a minimally limited inertia air turbine motor including mounting guidance and control for enabling the drill to advance into the workpiece at a rate exactly proportional to the rotational speed of the drill. The turbine speed is measured with a digital tachometer while a stepper motor/ball screw mechanism is utilized to control and apply the feed rate. |
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