Failure mechanism of 45 steel bearing seating used in heavy vehicle wheel box was analyzed and surface modification was carried out on 45 steel with combined treatment of ion nitrocarburizing and ion sulphurizing.
对重型车辆轴承固定套进行了失效分析,并采用离子氮碳共渗-渗硫复合处理工艺对该45钢轴承固定套进行了表面改性处理。