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电动机转轴常见故障有:轴头弯曲、轴颈磨损、键槽磨损、轴头扭断等。现分别简述各种故障的处理方法。 1.轴头弯曲因一般电动机轴伸长度不大,所以当轴头弯曲后,不易在压力机上矫正。可以在轴伸的表面采用电弧焊堆焊一层。堆焊前要测量好原尺寸,绘出草图。堆焊时,在轴的不焊处用浸水的石棉绳捆包。堆焊高度,视轴头弯曲程度而定。弯曲严重时多堆焊。焊后,要立即将焊接部分埋入石灰粉中,使其慢冷。然后车削。车削前要以转子铁心外圆为基准找正,使转子外圆和轴承档不同心度在0.02毫米以内,车至
Motor shaft common faults are: bent shaft, journal wear, keyway wear, shaft torsion and so on. Now briefly describe the various troubleshooting methods. 1. Spindle bending General motor shaft elongation is not big, so when the shaft bending, not easy to correct on the press. Arc welding surface can be used in a layer of welding. Before welding to measure the original size, draw a sketch. Surfacing, the welding of the shaft with asbestos rope immersed in water bundles. Surfacing height, depending on the degree of bending head bending. Bending more serious surfacing. After welding, the welding part should be immediately buried in the lime powder, making it slowly cold. Then turning. Before turning to the rotor core as the reference to find the outer circle, the rotor outer ring and bearing files do not concentricity within 0.02 mm, the car