The Development Of Involute Cylindrical Gear Parameterization Design And Modeling System

Gear transmission has many virtues such as high efficiency, exact transmission ratio, compact structure, reliable operation and so on. It is one of the most important transmission forms in the mechanical industry. Involute cylindrical gear's design theories are extraordinarily mature and the data are very abundant. With the continuous development of modern design methods, CAD technology, which brings computer technology into design process, has acted as an important role in modern mechanical design. It takes parameterization design and feature-based modeling as the two important estimative targets of CAD systems. But many gear transmission CAD systems in the markets have one or more shortcomings such as having no three-dimensional models or drawings as well as the size drive, only realizing the process of parameterization design, having no precise model of involute tooth profile and paying little attention to the designers' subjective mobility. Therefore, to design a whole involute cylindrical gear system with parameterization design and feature-based modeling is very important.The involute cylindrical gear parameterization design and modeling system talked in this thesis takes Windows2000 operating system as the development flat, SolidWorks as the modeling software and Visual Basic as the programming tool. It uses parameterization design and feature-based modeling technology to complete the design, three-dimensional modeling and drawing of involute cylindrical gears. This thesis adopts the mainstream design methods and the design method of helical modified gear. It separates check process from the design process to avoid many programming branches...