Motion System Design

Short course tunes in to gear noise

Two gear noise short courses, one basic and one advanced, will be offered during September at The Ohio State University, Columbus, Ohio. The purpose of the class is to give attendees a better understanding of how gear noise is generated, measured, and predicted, as well as how to reduce it. Engineers involved in the analysis, manufacture, design specification, or use of gear systems may find the course especially useful, as will those working in the automotive, transportation, machine tool, process industry, aircraft, and appliance industries.

Basic course material includes the fundamentals of gearing, noise analysis, and measurement, which make the class well suited for gear designers with little knowledge of noise analysis as well as noise specialists unfamiliar with gear design. The concept of gear transmission error, a major contributor to gear noise, is presented along with methods of predicting transmission errors from design and manufacturing data. Also covered are gear system dynamics and acoustics, gear rattle, and advanced signal processing. The third day of the course discusses gear rattle and the activities of the Gear Dynamics and Gear Noise Research Laboratory. Attendees also will spend several hours in the popular case history workshop discussing approaches to “real life” gear noise and dynamics problems.

The basic course takes place Sept. 12-14, with the advanced course to be held Sept. 17-18. For more information, visit

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