Patent ID: 6413025
Filing Date: 2002-07-02
Classification: B23B,B23Q,Y10T

Abstract:
Supply unit for a tool spindle equipped with a driving source and at least one of the following systems:a fluid supply system for displacing a moveable pulling rod axially in a spindle axle for firmly attaching a tool, a fluid supply system for cooling a rotor of the driving source supported on the spindle axle for driving the spindle axle, a fluid supply system for cooling the tool, and a gas supply system for blocking fluid leakage in gaps between parts that move in relation to one another, wherein the supply unit includes, for at least one of the systems, at least one sensor that senses if a malfunction exists in at least one of the systems and initiates malfunction signals, and, for at least one of the systems, an accumulator that from malfunction signals obtained from the at least one sensor feeds into at least the system which is malfunctioning complementary and replacement fluid or gas at the same time as the at least one sensor deactivates the driving source of the spindle axle.