It is pointed out that the design of magnetic pulley with large torsional moment is restricted by the contacting structure of circumference between cylinder and end-cover fixed radially by stud bolt.

• 分析了传统设计的磁滑轮各部件间传递扭矩的情况,指出了圆筒与端盖间圆周面接触径向螺栓紧固的结构方式限制了大扭矩磁滑轮的设计。