摘要：介绍了砂磨机的粉碎机理和衡量指标，给出了砂磨机有关性能参数的设计公式和数据，提出了砂磨机今后的发展方向

关键词：砂磨机;粉碎机理;应力强度;技术参数;

Abstract：The grinding mechanism and measurement target of sand mills were presented The design formula and data of the technical parameter concerned were given The future progress was adviced

Keyword：sand mill;grinding mechanism;stress strength;technical parameter;