How to solve the problem of surface roughness difference of wire cutting machine In the process of online cutting machine tool processing, there are often problems such as rough surface, groove mark and precision drop. The reasons for this situation are usually the following: (1) The wire is too loose and shakes. (2) The working fluid is dirty. (3) Improper selection of pulse parameters. (4) The molybdenum wire groove of the guide wheel is too large. (5) The winding drum is not the same. Solution: nothing more than tight wire, change the working fluid to choose the best pulse parameters, replace the guide wheel or bearing. In addition to the above reasons, in the repair, we also found that the keyway between the winding DC motor shaft and the friction coupling joint is caused by long-term repeated operation, resulting in large deformation of the keyway, and the machining surface is increased due to the vibration of the large gap wire cylinder during the commutation. Ditch marks.
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