1.Integrated structure ,the whole use of high strength aluminum alloy material.

 2.Radial,angular and axial deviations are compensated by elastic action.

 3.Non-clearance shaft and shaft sleeve connection,suitable for positive and negative rotation.

 4.Designed for encoder fand ffmicffffrfo motors.

 5.Fastening method of positioning screws.

 6.High strength aluminum alloy is used for shaft sleeve.