The problems of the unsuitable track of rotary cutter bars and irregularity disc surface were analyzed,and the main reason was found out i.e.the rotary speeds of disc and cutter bar are mismatch.

• 对圆盘造球机旋转刮刀运行轨迹不理想,盘面不平整的问题进行了分析,找出了其主要原因是圆盘转速与刮刀转速不匹配。