关键词: 无齿减速器, 侧向传动, 廓面计算, 传动机构

Abstract:

A new type of gearless reducer was introduced. In order to research the profile of cylindrical cam lateral transmission mechanism, which was the core transmission parts of gearless reducer, graphic method was combined with analytic method, simple space geometry and movement analysis were used. First, by using the cylindrical surface with radius Rj to intercept helical surface of the cam and getting the helix on cylindrical cam, helicoid equation was solved. Then, by value assignment for the radius of cylinder in the continuous interval range, the helicoid equation was solved by the change of helix. According to the helicoid equation, cam helix was solved and cam contour model was completed by using Mathematica. Moreover, in order to study the feasibility, sample processing and experiments were carried out by using CNC machine tools. The results show that, cylindrical cam profile surface calculations are practical and the transmission of cylindrical cam lateral transmission mechanism is smooth.

Key words: gearless reducer, lateral transmission, profile calculation, transmission mechanism