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PYB2200型单缸液压圆锥破碎机,是沈阳重型机器厂在文化大革命中设计生产的一种新产品。在我矿二期选矿工程中,它代替老式弹簧圆锥破碎机,共两台。1972年3月～1973年10月为试车和试生产阶段(包括整个流程中的设备调整)。在此期间,曾出现水平轴轴向串动、电机断轴、小齿轮打牙和润滑漏油等问题。在矿党委的领导下,组织了“三结合”小组,对出现的问题进行了攻关改进。这两台破碎机从1973年11月正式投产截至1975年底,共破碎矿石830万吨,基本上保证了矿山生产发展的需要。
PYB2200 single-cylinder hydraulic cone crusher, Shenyang Heavy Machinery Factory in the Cultural Revolution design and production of a new product. In my mine two dressing project, it replaced the old spring cone crusher, a total of two. March 1972 to October 1973 for the commissioning and pilot production phase (including the entire process of equipment adjustment). In the meantime, there have been horizontal axis of the axial series, the motor shaft, pinion teething and lubrication oil spills and other issues. Under the leadership of the coal party committee, the “three combined” group was organized to make improvements in the problems that have arisen. The two crushers from November 1973 formally put into operation as of the end of 1975, a total of 8.3 million tons of broken ore, basically ensuring the development of mining needs.