Coupling is a part of standardized production products. In the initial stage of selecting coupling, you can know the national standards and machinery.
Whether there are coupling product types that meet the use needs in industry standards and national patents. The coupling could not find the adaptation class.
Type, you can contact the manufacturer to design the coupling products by yourself.
2. Type of coupling
The selection of the variety and type of coupling is determined according to the comprehensive function of coupling in the transmission system. The factors of the overall design of the transmission system, such as the type of prime mover, the type of working load, the speed of prime mover, transmission accuracy, shaft deviation and working environment state, are the main references for selecting the coupling.
3. Torque and main selection of coupling
The torque of the coupling should meet the requirements of the power machine of the transmission system. According to the power and speed of the power machine and the working machine, it can be
Calculate the reasonable torque value of the coupling, so as to preliminarily select the coupling.
4. Model adjustment of coupling
After the primary selection of coupling, the size of coupling should be determined according to the shaft diameter and shaft hole length of driving shaft and driven shaft, and the coupling should be adjusted.
Specifications of the spindle. The model adjustment of the coupling should also consider whether the rotational speed between the driving shaft and the driven shaft connected by the coupling is constant and whether the shaft diameters are the same.
5, coupling connection form
The connection form of coupling is determined by the connection form of driving shaft and driven shaft, and the most commonly used connection method is key.
Join.
6. The final choice of coupling
At the end of coupling selection, all factors should be considered comprehensively again to determine the size, torque, shaft diameter and shaft of the coupling.
The hole is matched with the prime mover and working machine and can adapt to the working environment. After selecting the coupling model, check the strength of the key and finally determine the coupling model.
When important officials and shafts are connected to transmit power, pulleys or gears are generally used for connection, but if two shafts are required to be in a straight line and
If constant speed rotation is required, the coupling must be used for connection.
However, the concentricity between the two shafts will change due to the machining accuracy, thermal expansion or bending during operation, so the flexible coupling can be used as a bridge to maintain the power transmission between the two shafts and absorb the radial, angular and axial deviations between the two shafts, thus prolonging the life of the machine and improving the quality of the machine.