The aluminum tube with rectangle cross-section can be produced by non-mandrel drawing process.It is an effective method ......

凸轮机构从动件滚子半径的大小直接影响凸轮副接触处的接触应力和润滑油膜厚度并影响凸轮机构的寿命和运动精度。从接触应力和润滑......