花键轴(压下螺丝)及花键套(右球面蜗轮),是轧机压下机构中的主要另件之一,精度要求高,是关键另件。经试验研究,制定如下工艺措施,作简要介绍。4200mm 特厚板轧机,压下负荷大,升降速度快,装配精度要求较高,使花键轴、套在转动过程及上下滑动不研伤。而能正常工作。因此,对花键轴套在设计时提出了较高的要求。 Spline shaft (screw down) and spline sleeve (right spherical worm), is one of the main components of the rolling mill rolling mechanism, high precision, is the key component. The experimental study, the development of the following technical measures for a brief introduction. 4200mm thick plate mill, pressing load, lifting speed, high precision assembly, the spline shaft, sleeve set in the process of rotation and sliding up and down not to hurt. And can work normally. Therefore, the design requirements of the spline sleeve put forward higher requirements.