In general, due to the influence of operating environment in industrial use, when using lubricating oil, mobile machines often work abnormally due to the quality of oil products and environmental reasons, which requires mobile screw machines to put forward requirements for lubricating oil:

　　1、移动式螺杆机体积和油箱体积小，润滑油用量少，工作时油温较高，这就要求润滑油具有较好的热稳定性和抗氧化性;

　　1. The volume of movable screw and tank is small, the amount of lubricating oil is small, and the oil temperature is high when working, which requires that the lubricating oil has good thermal stability and oxidation resistance.

　　2. 由于室外环境恶劣，煤尘、石尘、水等杂质对润滑油的污染是不可避免的，因此要求润滑油具有良好的防锈、防腐、抗乳化性能;要求润滑油被污染时，其性能变化不大，即对污染的敏感性应小;

　　2. Because of the harsh outdoor environment, the pollution of coal dust, stone dust, water and other impurities on lubricating oil is inevitable, so the lubricating oil is required to have good anti-rust, anti-corrosion and anti-emulsification properties; when the lubricating oil is polluted, its performance changes little, that is, the sensitivity to pollution should be small;

　　3.机器在室外的温度在夏季和冬季变化较大，部分地区昼夜温差也较大，因此要求润滑油粘度随温度变化不大。既要避免高温，油粘度变得过低，使润滑膜形成，不应起到润滑作用;并避免温度过高时粘度过高，使启动和运行困难;

　　3. The temperature of the machine outdoors varies greatly in summer and winter, and the temperature difference between day and night in some areas is also large. Therefore, it is required that the viscosity of lubricating oil varies little with temperature. It is necessary not only to avoid high temperature and low oil viscosity, but also to avoid the formation of lubrication film, which should not play a role in lubrication, and to avoid the high viscosity when the temperature is too high, which makes the start-up and operation difficult.

　　4、对于一些移动式螺杆机，特别是在容易发生火灾和爆炸事故的环境中使用一些机械，要求使用良好的阻燃润滑剂，不能使用可燃矿物油;

　　4. For some mobile screw machines, especially in environments prone to fire and explosion accidents, it is necessary to use good flame retardant lubricants instead of flammable mineral oil.

　　5、要求润滑油对密封具有良好的适应性，以免对密封造成损坏。

　　5. Require lubricating oil to have good adaptability to the seal, so as not to cause damage to the seal.

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　　The above is the related content of Jinan air compressor manufacturer. For more information, please visit the website: http://www.jnkbjx.com.