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Bearing concept and classification
Source: China Bearing Network Time: 2017-10-09
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Cylindrical objects worn in the center of the bearing or in the center of the wheel or in the center of the gear. There are also a small number of squares.|MechNet|More common sense; please visit the Chinese mechanical professor network; support the transformation parts and reverse them with them to transmit motion, Mechanical parts of torque or bending moment. Usually metal round rods; each section can have a different diameter. The parts of the machine for reversing motion are mounted on the shaft.
According to the shape of the axis, the shaft can be divided into two types: the crankshaft and the straight shaft. According to the bearing condition of the shaft, it can be divided into: 1 rotating shaft; it accepts both bending moment and torque; it is the most common shaft in machinery; Such as shafts in various reducers, etc. 2 spindles; used to support the transformation of parts only accept bending moments without transmitting torque; some spindle transformation; such as the axle of railway vehicles; some spindles do not change; such as support pulleys The shaft is equal to the .3 drive shaft; it is mainly used to transmit torque without receiving bending moment; for example, the long optical axis in the crane moving structure, the drive shaft of the car, etc. The information of the shaft is mainly carbon steel or alloy steel; Ductile iron or alloy cast iron, etc. The working capacity of the shaft usually depends on the strength and stiffness; when the speed is high, it depends on the oscillation stability.
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