The raceways of slewing bearings usually require heat treatment. The usual process is: forging → rough machining → machining → finishing → raceway surface quenching → raceway surface milling and other processes. In the raceway, the flame surface quenching will form a soft zone. The so-called "soft z Read More

Many people don’t know how to replace the slewing bearing sealing strip. In fact, the sealing strip replacement is very simple. You only need to master a few steps. Today we explain in detail below.Replacement standard of slewing ring sealing strip:1. Clean up the sealing strip installation groove a Read More

1. The mounting seat of the slewing ring (the seat supporting the lower bottom surface of the gear ring and the seat placed on the upper surface of the inner seat ring) must have sufficient rigidity, and the mounting surface must be flat. Before assembling the slewing bearing, the bearing should be Read More

The importance of the slewing bearing(www.slew-bearing.com) of the excavator is self-evident. Various loads and moments on the working device need to be transmitted to the underframe through the slewing bearing. Because the slewing ring carries the overload work, it is also the part of the excavator Read More

Rotary Bearing Structure And Sealing Form For ExcavatorExcavator can rotate left and right in the work, cannot do without the rotary device, rotary bearing is an important part of the rotary mechanism. Excavator slewing drive is usually composed of worm, slewing support, shell, motor and other compo Read More

The slewing ring produced by our company can work normally at -30℃~+70℃. If users need to adapt to lower or higher temperature support, our engineering technicians can design for you. If the parties (dust, cement, coal powder) etc. Special sealing ring, protective devices, and proper oil paths must Read More