GEAR shaft conditions: the groove bottom and tooth root circle distance is less than 2.5 modulus is usually made of gear shaft.
A gear shaft is a mechanical part that supports rotating parts and rotates with them to transfer motion, torque, or bending moment. Generally metal round rod, each section can have different diameters. The parts of the machine that make the rotary motion are mounted on the shaft.
Depending on the axis shape, the shaft can be divided into two types: crankshaft and straight shaft.
According to the bearing of the shaft, but also can be divided into:
① rotating shaft, when working with both bending moment and bearing torque, is the most common axis in machinery, such as the shaft in various reducer.
② mandrel, used to support the rotating parts only to withstand the bending moment without transmitting torque, some mandrel rotation, such as the axle of the railway vehicles, and some spindles are not rotating, such as supporting the pulley shaft.
③ The drive shaft is mainly used to transmit torque without bending moment, such as the long optical axis in the crane moving mechanism and the driving shaft of the automobile.
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