The fracture causes of joining bolt joined between feeder and quill shaft of ball mill are biggish gap between feeder and quill shaft, defective seal cone washed by ore pulp.

球磨机进料器与中空轴联接螺栓断裂原因是进料器与中空轴之间间隙过大，密封锥面受矿浆冲蚀而被破坏。

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The fracture causes of joining bolt joined between feeder and quill shaft of ball mill are biggish gap between feeder and quill shaft, defective seal cone washed by ore pulp. etc.

球磨机进料器与中空轴联接螺栓断裂原因是进料器与中空轴之间间隙过大，密封锥面受矿浆冲蚀而被破坏。

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Choose gold equipment configuration: jaw crusher, fine broken machines, vibrating feeder, energy-saving cone ball mill, grinding machine, classification, mixing barrel, flotation machine.

选金矿设备配置：颚式破碎机、细破机、振动给料机、节能圆锥球磨机、磨机、分级、搅拌桶、浮选机。

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