Common defect types for machining workpieces in external polishing machines
When we use a cylindrical polishing machine to machine a workpiece, once it is not properly operated, it is very likely that flaws and defects will appear on the surface of the workpiece, which directly leads to a deterioration in the quality of the workpiece. So what are the common defects in the machining of workpieces in external polishing machines in daily work? let's see it together:
1. The spiral trace is presented, mainly because the longitudinal feed is too large, and the grinding wheel is caused by passivation. 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 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 appears to be burned. The reason is that the grain of the grinding wheel of the plane polishing machine is caused by the fineness of the hard and hard. The bad grinding wheel of the grinding liquid presents the infarction causing burns, the processing is too deep, and the heat dissipation condition is poor. The way to eliminate this kind of defect, choose to choose the right grinding wheel, timely eliminate the grinding liquid on the working surface of the plane polishing machine, and trim the grinding wheel. When grinding, the demand is divided into two parts: rough grinding and fine grinding. When the heat dissipation condition is poor, try to use the coolant to stop the workpiece processing.
4. 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 need to re-adjust the head frame and the workpiece after cooling is required. The radius of the workpiece, the need to repair the wheel in time.
5. During 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.
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.
