Since the basic planetary gear mechanism is widely used in various fields, there are usually two or more planetary gear mechanisms formed by an automatic transmission of a transmission mechanism. A simple planetary gear mechanism consists of a sun gear, a number of planetary gears, and planetary gear rings supported by fixed shafts of planetary frames, allowing planetary gears to rotate on the support axis. The planetary gear and its adjacent sun gears and gear rings are always in constant meshes, usually sliding gears are used to improve the stability of operation.<br>In contrast, there are less known types of gear called "planetary gear", and the rotating shaft is not fixed, but it is attached to the rotary bracket (blue). Planetary gears (green), as well as stationary gears, rotate around the other axis (B-B) as well as other gears (A-A) with blue support (called planetary racks). Rotation of the shaft is called "rotation" because rotation around other gear shafts is called "rotation", like the planet of the solar system.<br>Small capacity, large capacity, smooth operation is the main feature of planetary gearbox. However, in the case of high output high-speed planetary gears, the transmission structure needs to be more complicated, and the manufacturing accuracy becomes higher. Although very efficient, there are several types of planetary gear drives whose transmission is relatively small. For other types, the transfer rate may be higher, but the efficiency may be lower. When used as a speed reducer, the efficiency decreases as the transmission ratio becomes larger. You can create a cell frock when you create an extended device.<br>
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