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1冷却监控系统开发背景随着自动控制理论的成熟和国内外新型传感器的研制、开发，冷却系统监控装置广泛应用到大型机械、机械加工方兴未艾。金川公司选矿厂PEJ1500×2100破碎机是60年代中期投入生产的一台大型颚式破碎机。它的两个偏心轴瓦和连杆瓦冷却系统（图1）由油冷和水冷
A cooling monitoring system development background With the maturity of automatic control theory and the development of new sensors at home and abroad, development, cooling system monitoring devices are widely used in large machinery, machining in the ascendant. Jinchuan beneficiation plant PEJ1500 × 2100 crusher is put into production in the mid-60s a large jaw crusher. Its two eccentric and connecting rod bush cooling system (Figure 1) is oil-cooled and water-cooled