1. There is a mistake in the installation arrangement of the hammer blades, re-install the hammer blades according to the hammer blade arrangement diagram;
2. the weight difference between the corresponding two groups of hammer blades is too large, re-exchange the hammer blades so that the total mass difference between the corresponding two groups does not exceed 2 grams;
3. individual hammer piece stuck, not thrown off, so that the hammer piece rotation flexibility;
4. other parts on the rotor is not balanced, balance the rotor;
5. spindle bent, straighten or replace the new shaft;
6. bearing damage - replace the bearing;
7. hammer blade pin is badly worn, replace with a full set of new hammer blade pins;
8. no clearance between the two halves of the coupling, re-adjustment, so that the clearance in the 3 ~ 5mm;
9. the coupling is not concentric, re-adjustment, so that the height deviation <0.2mm, not concentricity <1 °;
10. insufficient installation strength of the foot, reinforce the foot.
English
在线客服
