How does the shaft of the pulley and the motor work?
This is generally interference fit not be fall down, you say so the shaft sleeve is needless, according to you mean the motor pulley on the next, the third floor reply is quite comprehensive.
1, keep fit (most commonly used) 2, the shaft ends with thread and gland 3, use the elastic loop with the shaft 4, drill holes in the belt wheel and hold it from the radial thread
If is a common phenomenon of the structure of the traditional pulley, usually outside of the shaft with a locking nut, if use the mark taper sleeve type pulley is far more convenient, also won't exist this kind of situation, if want to know more
It will not fall if it is used in other parts of the motor shaft. In general, the pressure cover is not applied, because the key of the pulley is easy to loosen and the cutting key occurs when the pressure cap is applied.
