The grain refinement begins from the center ellipsoidal zone, and then gradually expands to the vertical edge zone and conicalcontact zone.
细化首先开始于易变形区,再相继扩展到纵向棱边区和接触锥形区。
2
Taper support Rib : Rib conical taper at the circumferential rib support, in between the cam groove, Roller Cam with the circumference of linear contact.
锥度支撑肋:锥形肋位于锥度支撑肋的圆周上,在凸轮凹槽之间,与凸轮滚子的圆周线性接触。
3
Taper support rib: rib conical taper at the circumferential rib support, in between the CAM groove, Roller CAM with the circumference of linear contact.