Description and characteristics of the Planetary Gear

   In addition to the planetary gear shaft gear such as fixed rotation around its own axis (BB) rotation, the axis of rotation of them also with the blue bracket (called the carrier) around the axis of the other gear (AA) rotation. Rotate around its own axis called "rotation", around the axis of rotation of the other gear known as the "revolution", as planets in the solar system, as its name.
    Brief introduction
    Known by us most of all gear fixed gear axis of rotation. For example, mechanical clock, even though all of the above are doing rotating gears, but their rotational center (coincident with the center position) are often mounted on the casing through a bearing, therefore, their rotation axes are fixed relative to the chassis, thus also known as "fixed gear."
   Gears that rotate around their own axis (BB) rotated, the rotational axis of their stand still as blue (called a planetary carrier) about the axis of the other gear (AA) rotation. Rotate around its own axis called "rotation", around the axis of rotation of the other gear known as the "revolution", as planets in the solar system, as its name.

gears and racks

   Also as solar, become the center of revolution of the planetary gear axis of the fixed gear that is called "sun wheel", the gear shown in red. A planet gear, or fixedly connected to each other in the two planetary gears usually has two engagement points, which occur between the two sun wheels. If the figure, gray with red internal gear axis coincides with the axis of the outer gear is the sun wheel.

Worm Gears Units

   Feature Type
   The main features of the planetary gear is small, large carrying capacity, smooth. However, high-power high-speed planetary gear structure is more complex, requiring high precision manufacturing. Some type planetary gear transmission efficiency, but not transmission ratio. Some other types of the gearing ratio can be large, but the efficiency is low. Use them as a reducer, its efficiency with the gear ratio decreases; make accelerator may occur when there are self-locking.

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