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“运动保真”条件,是凸轮机构实现预期输出的重要前提和基础。形锁合共轭凸轮机构由于免用弹簧等辅件,较力锁合机构具有显著优越性。将“支撑函数法”在解决F型力锁合机构“运动保真”条件等问题基础上,成功地向形锁合负半径类直动推杆共轭凸轮机构作延拓推广,推导得到了凸轮曲率半径和“运动保真”条件,为新型负半径类共轭凸轮机构的深入研究与工程推广应用奠定了基础。
“Motion Fidelity ” condition is an important prerequisite and basis for the cam mechanism to achieve the expected output. Shape-locking conjugate cam mechanism due to the use of free springs and other accessories, force locking mechanism has significant advantages. On the basis of solving the problems of F-type force-locking mechanism “motion fidelity ” and the like, the “support function method” was successfully extended to the conjugate cam mechanism of the positive lock type , The conditions of cam radius of curvature and “motion fidelity” are deduced, which lays the foundation for further research and engineering popularization and application of the new negative radius conjugate cam mechanism.