Power high efficiency grinding head
A high-efficiency, grinding-head technology, used in grinding machines, grinding/polishing equipment, machine tools designed for grinding workpiece rotating surfaces, etc., can solve the problem of weakened spindle rigidity, poor macro quality of the grinding surface, and easy drift of the spindle axis. question
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[0016] Such as figure 1 , figure 2 As shown, the main shaft 3 is installed in the eccentric sleeve 4, the dynamic and static pressure front bearing 1 is installed at the front end between the eccentric sleeve and the main shaft, the dynamic and static pressure rear bearing 6 and the rolling thrust bearing 7 are installed at the rear end, and then put into the mill frame shell together 5. Install the tapered sleeve 2 on the front end of the eccentric sleeve 4, and install the pulley 8 on the rear end of the main shaft 3. The structure of the oil chamber of the dynamic and static pressure bearing is 9 static pressures in the upper chamber, 11 static pressures in the lower chamber, 10 static pressures in the front chamber and 10 static pressures in the rear chamber. Chamber 12 dynamic pressure.
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