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降低润滑油消耗量的可能方法之一是延长它在金属切削机床中的使用期限。过去,一般都不考虑润滑油的实际状况就定期予以更换。为了制定普通车床润滑系统合理的换油周期,苏联在1975～1978年间,对一批在车间长期工作的新机床进行了测定。测定期间,在给机床变速箱的润滑系统注油前,对И-30油(ΓOCT20799-75)的纯度进行过检查,并定期抽取样品,以测定油的动力粘度和碱度,以及金属杂质的含量。杂质中的铁被看作齿轮传动磨损的特有产物。润滑油的质量按油中金属杂质的含量确定。机床各机构的技术状况根据机构的实际状况以及油中金属杂质含量的变化作出评价。为了计算机床的工作时间,在机床上安装了电度表。在一个月中,一班制机床工
One possible way to reduce lubricant consumption is to extend its life in metal-cutting machines. In the past, lubricants were generally replaced on a regular basis without regard to their actual condition. In order to develop a reasonable oil change cycle of the ordinary lathe lubrication system, the Soviet Union in 1975-1978, a group of long-term work in the workshop of the new machine was measured. The purity of И-30 oil (ΓOCT20799-75) was checked prior to filling the lubrication system of the gearbox of the machine during the measurement, and samples were periodically taken to determine the kinematic viscosity and alkalinity of the oil and the content of metal impurities . Iron in impurities is seen as a peculiar product of gear drive wear. The quality of the oil is determined by the amount of metal impurities in the oil. The technical status of each machine tool based on the actual situation of the organization and the changes in the content of metal impurities in oil evaluation. In order to calculate the working time of the machine tool, the meter is installed on the machine tool. In a month, a group of machine tool workers