Gear Class Components Parameterization Based on AUTOCAD

In order to achieve gear parts design automation. This paper proposes a parametric design ideas, the use of Auto-CAD's VBA language and Dialog control language (DCL), which can input the various parameters for gear class by dialogue box, and can calculate the value of gear class, proofreading and draw each parameter gears different structure design, that can output fully automated computer-aided design system. Experimental indicate the system can complete gear design parameters, should be widely applied.