介绍了2002年以来H8800圆锥破碎机和HP800圆锥破碎机在齐大山选矿厂应用情况，并进行了经济效益分析。
The application of H8800 and HP800 cone crushers in Qidashan Concentrator since 2002 are described and the economical benefit is analysed.
为开发圆锥破碎机新型层压曲线腔形，基于分层破碎，提出固定质量原则，引入工态啮角，并成功应用于圆锥破碎机腔形的开发研究。
The fixed mass principle was put forward and the working nip Angle was imported, which were successfully applied into the chamber research of cone crusher.
结合HP圆锥破碎机结构特点，作动力学分析与计算，并进行了圆锥破碎机的平衡分析。
The paper analyzes and calculates the dynamics of the HP cone crusher in combination with the structural features of the machine, and also analyzes the dynamic balance of the machine.
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