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1.存在问题沃尔沃装载机具有自动化程度高等优点,目前已成为港口主流装卸机械之一,但是其高精度的设计对液压油的使用要求更加严格。我公司现有L220E、L220F和L220G等3个型号的沃尔沃装载机,与其他机械统一使用长城L-HM46抗磨液压油,正常情况下液压油更换周期为1年。但是沃尔沃装载机使用L-HM46抗磨液压油2000~3000h后,其液压系统控制阀出现堵塞、液压油出现高温及变质问题,导致液压油使用周期缩短。
1. Existing Problems Volvo Loader has the advantages of high automation and has become one of the mainstream loading and unloading machines in the port at present. However, its high-precision design has more strict requirements on the use of hydraulic oil. Our company has 3 Volvo loaders, such as L220E, L220F and L220G, which are used with other machinery to use Great Wall L-HM46 anti-wear hydraulic oil. The replacement period of hydraulic oil is normally 1 year. However, Volvo Loader L-HM46 antiwear hydraulic oil 2000 ~ 3000h, the hydraulic system control valve clogging, hydraulic oil high temperature and deterioration, resulting in shortening the life cycle of hydraulic oil.