Grinding machine is a kind of grinding machine that grinds the plane or forming surface of the workpiece. It mainly uses the grinding wheel to rotate the grinding workpiece to achieve the required flatness. Many customers will ask how to adjust the clearance of the grinding head bearing of the grinding machine? Sanli Xiaobian will analyze them one by one for you. 1. Loosen the dovetail suspension block and adjust the bearing clearance. Adjust the nut so that the main shaft can be rotated by hand (the bearing clearance is 0 at this time). 2. Tighten the dovetail lifting block (the lifting force should not be too large), so that the bearing expands the aperture under the action of the expansion force of the lifting block and fits closely with the housing hole of the bearing seat. At this point, the spindle can be rotated by hand. If it cannot rotate or is too loose, it should be readjusted. 3. Screw the nut on the front thread of the main shaft of the grinding machine, and lightly tap the nut around the nut with soft metal such as copper to disperse the tension of the hanging, so that the outer cone of the grinding head bearing of the grinding machine fits better with the seat hole, and the main shaft should be rotated by hand. Flexible, no abnormal feeling, otherwise it should be readjusted. 4. Gently tighten the nut again to reduce the influence of the verticality error between the nuts on the accuracy of the bearing hole. Lift the main shaft of the grinding machine with a dial indicator, and measure the bearing clearance of the grinding head of the grinding machine within the range of 0.008~0.015. If it is out of tolerance, it should be readjusted. If you want to know more about grinding machine grinding head bearings, the manufacturer has 37 years of experience in grinding machine grinding head bearings! Only when the torque is accurate can the rotation be stable!
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