Static pressure electric spindle headstock clamping device for ultra precision ball bearing ring grinding
A technology of bearing rings and electric spindles, which is applied in the direction of grinding workpiece brackets, grinding machine parts, superfinishing machines, etc., can solve the problems of short fatigue life, easy introduction of vibration, contact wear, etc., and achieve stable radial The effect of positioning, ensuring machining accuracy, and high rotation accuracy
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[0016] figure 1 and figure 2 Shown is an embodiment of a static pressure electric spindle headstock clamping device for superfinishing ball bearing ring grinding of the present invention, the device includes a headstock frame 1, a main shaft 2, a front hydrostatic bearing 3, The rear hydrostatic bearing 4, the stator 5 and the rotor 6, the stator 5 is fixed in the head frame frame 1, a water sealing sleeve 13 is provided between the stator 5 and the head frame frame 1, and the rotor 6 is fixedly set on the main shaft 2, The main shaft 2 is set in the head frame frame 1, the position of the rotor 6 corresponds to that of the stator 5, the front end of the main shaft 2 is supported by the front hydrostatic bearing 3, the front end of the front hydrostatic bearing 3 is provided with a front cover 9, and the rear end of the main shaft 2 passes through the rear The hydrostatic bearing 4 is supported, and a rear bearing seat 10 is arranged between the rear hydrostatic bearing 4 an...
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