The Material Selection of turntable slewing bearing forging should be based on the use occasion, importance, process conditions and equipment capacity of the manufacturer as well as the cost level. Firstly, the turntable slewing bearing requires the mechanical, physical and chemical properties of st Read More

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 Read More