Abstract:
Gear wear testing is an extensive laboratory process in conditions similar to service ones. To apply the obtained results for the design of the new gearing structures, it is necessary to identify an additional indicator: the wear probability. In this case reverse gear motion is an additional condition which is necessary to simulate along the laboratory testing. Design, including 3D model of testing device structure for the purpose of plastic gear wear testing, is presented and analyzed. The application for wear probability testing of gears with reverse motion, together with experimental data processing, is presented. The application of those results in design process of the new gear structures is discussed. Gear system for air flow and combustion control in the car engines is used as an example for testing and design. Plastic gears transform control motion and load by resistance torque of the spring for reverse motion. Service life and reliability of this system, including its design using reliability as design constraint, needs experimental data obtained by designed testing device.