Detailed interpretation of pulley selection
2022-11-23
Mechanical transmission of power through transmission tools is the basis of pulley application. The selection of belt pulley model needs to be based on the equipment power. In addition, the selection of various indicators and materials of the belt pulley can meet the use requirements. So maybe some people are also a little clear, what are the indicators and requirements?
Above, we will explain the pulley selection in detail:
1. The selection of the pulley is first based on the size of the shaft to determine the proper size of the inner hole and keyway.
2. The bearing capacity of different types of pulleys is different: we know that there are seven types of pulley grooves, including Y, Z, A, B, C, D and E, whose sections are arranged from large to small, and the bearing capacity is also arranged from large to small, which can be selected according to your own needs.
3. Selection of pulley diameter: the pulley diameter selected for the installation equipment should not be too large, because the larger the diameter, the smaller the repeated bending force for the belt, which indirectly affects the life of the belt. It can be calculated and selected according to the requirements of speed and power.
4. If the transmission distance is short, a device for adjusting the center distance between two wheels shall be set. When the belt is worn, the tightness of the belt can be adjusted.
5. Refer to the belt transmission power. The power transmitted by each belt needs to be checked through the curve table. Please refer to the national standard GBT 1171-2017 General V-belts for General Transmission.
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