This product is widely used in automatic control, automatic measurement, remote control, computer technology, and angle and ordinate measurement on CNC machine tools. It is mainly used for servo motors. Its characteristics: ●The installation shaft is a tapered shaft with high positioning accuracy; ●An opening is reserved at the rear of the shell to facilitate user installation and disassembly; ●Two recesses are reserved on the circumference of the shell to reduce the user's radial installation space; ●Sturdy, high reliability, long life, etc.