关键词: 计算机应用, 分度机构建模, 弧面凸轮, D-H坐标系

Abstract: After deeply studying the working principle of new type of indexing mechanism with globoidal cam, the equations of the contour surface and the conjugate contact line are established using D-H coordinate system. Taking full advantage of the roll’s geometry character, the track of centre line is drawn, and then the 3D model of globoidal cam is built using Pro/E software quickly. Thus the foundation is established to implement the numerical control machining, to carry through dynamics analyze and motion simulation and so on.

Key words: computer application, indexing mechanism modeling, globoidal cam, D-H coordinate system