Ultrasonic gas static electric spindle
A pneumatic and electric spindle technology, applied in the direction of large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problem of reducing the life of the spindle bearing and the accuracy of the spindle, restricting the promotion and application of ultrasonic waves, and narrowing the range of tool options, etc. Problems, to achieve outstanding performance, huge economic benefits and promotion and application prospects, the effect of a wide range of precision processing industries
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[0018] like figure 1 As shown, an ultrasonic aerostatic piezoelectric spindle of the present invention includes an air bearing shell 3 , an air bearing body 2 and a rotating shaft core 1 that are sleeved in sequence from outside to inside. The left end of the rotating shaft core 1 protrudes from the left side of the air bearing body 2 and is provided with a pulley, so as to be connected with the motor through the pulley transmission mechanism, and the rotating shaft core 1 is driven by the motor to rotate. The right end of the rotating shaft core 1 protrudes from the right side of the air bearing body 2 and is provided with an external thread, so as to be convenient for connecting a tool handle, a tool, a tool shank, a grinding wheel shank or a matching fixture. A circular thrust plate 6 is fixed concentrically near the right end of the rotating shaft core 1 , and the high frequency vibration of the rotating shaft core 1 along the axial direction of the air bearing body 2 is r...
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