Slewing cause surface cracks

    There are many Roller bearing in buying after slewing surface cracks will find the problems, and sometimes go back to find manufacturers refund, there

The manufacturers also do not want to be refunded. So buyers in the purchase of slewing ring must look at whether the surface cracks.
Slewing bearing surface cracks caused by reasons:
1, may be in the heating, the temperature is too high or too low, increase the steel stress cracks phenomenon.
2, in the heating process the heating time is too long or too short.
3, there are the impurities on the surface of the material will have problems appear to have cracks.
The reason is that the surface cracks caused by slewing the main reason, so producers in the production process temperature

Control is very important, while buyers should also see the later surface cracks.