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美国进口的ND_5型内燃机车牵引电机悬挂轴承(简称抱轴瓦)油,由中国铁道科学研究院金属及化学研究所研制成功,已于1990年6月通过部级技术鉴定。 1.研制的抱轴瓦油(B—28~#)配方,其粘温性能,润滑性能。抗磨极压性能等均优于国内代用油的质量,填补了国内内燃机车专用抱轴瓦油的空白,达到国内先进水平。该油的主要性能符合美国AAR—M963—79技术条
The ND_5 diesel locomotive traction motor suspension bearings imported by the United States (hereinafter referred to as axle suspension bushings) were successfully developed by the Institute of Metals and Chemistry of China Academy of Railway Sciences and passed the ministerial level technical appraisal in June 1990. 1. Developed axle oil (B-28 ~ #) formula, the viscosity temperature performance, lubrication performance. Anti-wear extreme pressure performance are superior to the quality of the domestic substitute oil, to fill the gap for the domestic diesel locomotive bearing pad oil, reaching the domestic advanced level. The main properties of the oil in line with the United States AAR-M963-79 technology