For the swinging cylinder type of hyd raulic wrench,through the analysi s and calculation for the locating parameters of its executive mechanism,formul a and design precondition of the lo-cating parameters are presented,wi th whic h the minimum of pushing force of the oil cylinder can be achieved under definit e swinging angle and given loosening &tighteni ng torque for the fasteners.
通过对摆动油缸式液压扳手机构位置参数的分析推导,得出其位置参数的计算公式和设计条件。
An introduction was made on the hot-extrusion technology of the sliding oil cylinder of the speed-reducing device and on the die.
介绍了减速顶滑动油缸热挤压工艺及模具 ,分析了原工艺存在的问题 ,提出了采用热挤压工艺 ,反挤压与径向挤压复合 ,可同时挤出带盲孔的缸体和带法兰的缸顶 ,既省工时又节约材料 ,提高了经济效
