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Spline shaft

Spline shaft is a kind of mechanical transmission. It has the same function as flat key, semicircular key and wedge key. It all transmits mechanical torque. There is a longitudinal keyway on the surface of the shaft, and the rotating part sleeved on the shaft also has a corresponding keyway, which can maintain Rotates synchronously with the axis. While rotating, some can also slide longitudinally on the shaft, such as gearbox shift gears, etc.

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