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Easy repair of the bearing hole of the headstock
I have a CA6150 lathe in our factory. The axial movement of the spindle occurs. After several adjustments, the repair method of the bed box is not described below. First, the repair of the front bearing hole of the spindle We have made a tool to repair the spindle bearing hole (see Figure 1). The cutter body 2 and the spindle bearing hole are matched by φ160H7/f6, and are positioned by the surface of the shaft hole. The spiral oil groove is driven out on the positioning surface of the cutter body 2, and the lubricating oil is continuously dripped during the processing to prevent the bearing hole surface from being damaged when rotating, and the front part of the tool is keyed with