A Wavelet application for improving the kinematical quality of gear transmission

Gears are one of the most common and important machine components in many advanced machines. A brief theory of wavelet transforms and their effective computation method with an emphasis on the considerations of the choice of pressure angle are presented in this paper. The aim is to show the importance of determining the shape of the line of action in order to obtain the best kinematical characteristics in terms of quality performance. The goal is achieved by deriving a simplified mathematical parameterized model of tooth profiles. A procedure for designing spur gear sets using the quadratic parametric tooth profiles has been developed. Finally, the improvement of the kinematical quality of gear transmission was tested by means of the Wavelet Transform.