Better quality superior to similar stone crusher
As for gyratory crusher, the spindle is key part, which consists of cone with cone lining. There are many broken shaft accidents happened due to various reasons. Statics shows that over 20 accidents happened in Anshan mining company since production, among of which, more than 90% broken areas are in threading insert relief notch. F steel factory has 1,200 sets crushers and two spindle broken accidents happene. And there are also other factories occurred the similar accidents.
Reason and solutions: In terms of design and manufacturing, relief notch is too deep and transition round corner is small. In the relif notch area, the requirement of round corner surface is not strictly. Based on these factors, we should take following measures: enlarge the transition round corner, increase relief notch and we can also improve the spindle structure design.