The slewing bearing has dozens of production processes, of which raceway fine grinding is an important process before assembly. Through the fine grinding of the raceway, the heat-treated oxide layer and slight deformation in the raceway can be removed, which ensure the uniformity and stability of clearance of finished products.

The slewing ring raceways on the market seem to be the same, but the actual difference is very large. First of all, it is manifested in the monitoring of the slewing bearing clearance. XZWD slewing ring performs 100% full inspection of the track diameter and adjusts the deformation of the raceway, which not only improves the assembly efficiency, but more importantly, it effectively controls the axial and radial clearance to meet customer requirements.Secondly, Xuzhou XZWD slewing ring  strictly controls the roughness of the raceway. Before each product is processed, the machine tool uses a high-precision diamond wheel to modify the grinding wheel, and then the raceway is processed to ensure the roughness of the raceway, thereby reducing the friction between the rolling elements and the bearing raceway.

Finally, XZWD strictly inspected the contact angle of the raceway of the slewing ring. A good slewing bearing raceway must ensure the contact angle between the steel ball and the raceway. We use Mahr’s profiler to accurately measure the contact point of the steel ball when it moves in the raceway to meet the design requirements of customers for high-quality products.

From above all, XZWD slewing ring ensures the stability and service life of XZWD slewing ring products through strict control of product clearance, raceway roughness and raceway contact angle. If you want to find a reliable supplier for slewing ring bearing, please contact us