concave cam

基本解释

This paper presents a new method to design the disk cam with concave follower, and find the relationship between the new kind of cam and the formal ones.
本文找出了凹圆弧底直动从动件盘形凸轮与原有凸轮之间的区别与联系，并统一了原有凸轮的设计方法。
Single cam linkage mechanism can overcome the shortcomings mentioned above, however the new problem is that the mechanism can not generate the path which has concave curve.
单凸轮连杆组合机构可克服上述缺点，即可以方便地再现预定轨迹并有精确解，但其缺点是难以实现内凹曲线的轨迹复演。
The opening force of die casting machine drives the crossed compound dog-led cam mechanism draw core in inboard concave, and then make the hydraulic loose-core implement to draw the hollow core.
开模时，压铸机开模力驱动交叉复合弯销机构进行铸件内侧凹抽芯，然后液压抽芯器抽拔杯形型芯。