Random fatigue design of universal joint in rolling mill main drive;
轧机主传动万向接轴随机疲劳设计
Why breakage happens at the flat head of universal joint in medium plate mill;
中板四辊轧机万向接轴断裂原因分析
Inactivation analysis of cross head universal joint of main rolling mill;
主轧机十字头万向接轴失效分析
4 drive universal spindle,was broken down in its root part,which caused failure phenomenon.
宝钢某轧机在投产较短时间之后,其4#机架主传动万向轴即出现十字销在销轴根部破断的失效现象。
Based on the analyses of fracture sec tion,material phisical -chemical properties and its fatique strength for the universal spindle used in Bao-Steel teeming ladle transfer car,t he causes of the spindle failure were found.
通过对宝钢钢包台车万向轴断裂断口、材料理化性能、疲劳强度等分析,指出了万向轴断裂的内因为十字轴轴承的台阶R角加工粗糙,产生应力集中;R角表面经过渗碳处理渗层,使其脆性增大;R角处渗层与基体的过渡层中存在着裂纹;十字轴的夹杂物较多,冲击值低;外因为恶劣的使用环境和不良操作习惯。
The gear-petal style cardan shaft used in screw drilling tools;
螺杆钻具中的齿瓣式万向轴
The broken shaft trouble of SWC440 cardan shaft is checked and analyzed.
针对一起生产企业和设备生产厂家有争议的SWC440万向轴断轴事故进行了检测分析,通过对断轴进行解体、检测、分析认定,由于“卡钢”和“退钢”造成扭矩或转矩过大形成事故。
Firstly,the rule and cause of rupture failure for the cardan shaft of the DF 4D type freight diesel locomotive are discussed and Then,the methods on how to deal with the rupture failure of the cardan and the other failures resulted from the different small fuel quantity of different injection pump equipped on the same diesel engine are introduced.
阐述了东风4D型货运机车万向轴断裂的规律 ,进行了原因分析 ,介绍了万向轴断裂事故处理的实例 ,并对同台柴油机上各喷油泵小油量相差大易引起的其它后果进行了分析 ,最后提出了具体的预防措施及操作程