The planetary frame is one of the main components of the planetary gear transmission device. The planetary axle or bearing is mounted on the planetary frame. When the planetary wheel is used as the basic member, it is the part that bears the largest external torque in the mechanism. The structure design and manufacture of the planetary wheel have great influence on the load distribution among the planetary wheels and the load carrying capacity, noise and vibration of the transmission device.

The reasonable structure of the planetary frame should be light in weight, good in rigidity and easy to process and assemble.

The planetary frame structure principle produced by CD company has the advantages of small size, light weight, compact structure, smooth transmission, large transmission ratio and high transmission efficiency.

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