The raceway tracks of a slewing ring are hardened,the process of hardening these has a beginning an a end as the hardening may not overlap there is a small gap where there is no hardening. That is the so called soft zone of the slewing ring. This position is marked on the outside of every slewing ri

Packaging & Bottling industry are synonymous of high productivity link with very high technology process.Xuzhou Wanda slewing bearing co.,ltd has developed in accordance with those high requirements,slewing rings with large diameters (for higher & higher productivity) and thin sections which are the