When we operate the external polishing machine to process the workpiece, once the operation is improper, it is very likely that the surface of the workpiece will be flawed and defective, which will directly lead to the deterioration of the quality of the workpiece. Then, in daily work, what are the common defects of the outer circular polishing machine ?
1. Spiral traces are presented, mainly due to the fact that the longitudinal feed is too large and the grinding wheel is passivated. The demand reduces the longitudinal feed amount, stops the dressing of the grinding wheel in time, and strengthens the rigidity of the long shaft.
2. The workpiece presents a bell mouth, mainly because the length of the grinding wheel beyond the workpiece orifice is too large, the rigidity of the long shaft is relatively poor, and the reverse of the workpiece is too slow. The corresponding measures to deal with this problem, reduce the length of the aperture, try to achieve a short and thick long axis. Properly control the reverse time.
3. The appearance of the workpiece is burned. The reason is that the grain of the grinding wheel of the plane polishing machine has been hardened by the hard and hard, and the bad grinding wheel of the grinding liquid has caused the infarction to cause burns, the processing is too deep, and the heat dissipation condition is poor. To eliminate this kind of defect, choose the right grinding wheel, and timely eliminate the grinding liquid on the working surface of the plane polishing machine and trim the grinding wheel. The time requirements for grinding are divided into two parts: rough grinding and fine grinding. When the heat dissipation conditions are poor, the coolant should be used to stop the workpiece processing.
4. In the processing of the plane polishing machine, the appearance of the workpiece is not bright, mainly because the surrounding speed of the grinding wheel is relatively low, the trimming is too rough, and vibration occurs during processing. The demand should increase the diameter of the grinding wheel as much as possible, and stop the dressing of the grinding wheel again. The demand for the grinding wheel of the device is correct.
5. The existence of the tapered hole, the head frame is not adjusted well, the cold and heat shrinkage of the workpiece of the plane polishing machine is uneven, and the wear of the grinding wheel is unevenly caused. For these defects, the head frame needs to be re-adjusted, and the workpiece needs to be measured after cooling. The radius of the workpiece, the need to repair the wheel in time.
The above are several common defects in the processing of outer circular polishing machines. It is hoped that users can standardize the use of equipment during work and improve product quality.
