1·Die structure was discussed through the analysis of forming process of high intension screw bolt and a set of hot upsetting tool was designed.
通过分析高强螺栓的成形工艺，对模具结构进行深入探讨，设计了一套热镦模。
2·By checking its reliability during unlimited service time, it is discovered that the screw bolt size of present design is bigger, and the pre - stressing force is higher as well.
通过对该螺栓做无限寿命可靠度校核，发现原设计的螺栓规格取得偏大且初始预紧力也取得过高。
3·A rubber gasket seal is used between a clamp nut of a barrel screw bolt and the outer wall of the barrel body of the utility model.
筒体螺栓的紧固螺母和筒体外壁之间也采用橡胶垫圈密封。
4·Every driver of the tower crane in the shift, to check the position of the screw bolt fastening connections, if loose, exceptions should be timely fastening.
每天塔机司机在交接班的时候，要检查各连接部位螺栓的紧固情况，如有出现松动等异常应该及时紧固。
5·The utility model relates to an improved straight handle type artificial hip joint fixed by the screw bolt of a femur big rotor.
本实用新型涉及一种改进的、经股骨大转子螺栓固定的直柄式人工髋关节。