Evaluation of loaded tooth contact and development of tooth modifications using commercially available software to improve Khb and optimize power density.  Two real life gearing examples will be presented in the course, one will have a cantilever mounted pinion, the other a shaft pinion straddled non-symmetrically by bearings.  Both examples demonstrate component deflections under load which significantly reduce tooth mesh contact which is then corrected with developed helix and profile modifications. Other gear performance optimization tools will also be briefly discussed, Profile Shift, Isotropic Finishing, Shot Peening, Accuracy, Material Selection.

The need for noise control and its relation to gear drive design will be discussed. The general nature of noise and its measurement will be examined, with particular emphasis on terminology standards, and units of measurement appropriate to gear technology. Gear noise, per se, is seldom heard by and observer. The mechanism by which observer noticed noise is generated and transmitted will be defined, described, discussed. Before attempting to solve a noise problem with an existing unit or beginning the design of a new unit, the nature of the noise must be defined. Both experimental and analytical methods will be covered, with particular emphasis on application rather than theory. The many factors that influence the noise produced by a gear system will be discussed. The relative effects of each factor will be studied qualitatively. Factors to be considered include gear tooth geometry and accuracy, speed, materials, housing design, bearing type, gear type, air entrapment, root clearance, interference alignment, surface finish, and phasing. Although, ideally, the designer should solve noise problems on the drawing board, in the real world this sometimes does not occur. Various techniques that can reduce the noise level of existing gear systems without requiring major hardware replacement will be presented and discussed. Included in the discussion will be enclosures, absorbers, dissipative dampers, isolators (gearbox and gear blank), and impulse phasing.

This course is intended to be both an overview of worm and wheel gearing, as well as an introduction to the application, design considerations, practical development techniques for manufacturing, and finally how best to apply worm and wheel technology. We will cover some design development, lubrication considerations, and failure modes and causes.

Explore gear failure analysis in this hands-on seminar where students not only see slides of failed gears but can hold and examine over 130 specimens with the same failure modes covered in the seminar. Approximately half of the course time consists of students in groups identifying failure modes on failed gears and working on a case study. Microscopes are available to examine failed specimens.

This half-day online seminar is intended to provide you with a thorough understanding of the information contained within a typical gear inspection report. Specifically, we will look at the contents and meaning of the information contained within the gear charts, as well as the techniques used by the gear measurement system to assess gear quality. An explanation of basic gear measurement techniques, how measurement equipment and test machines implement these techniques, and how to interpret the results from these basic measurements will be covered. We will also discuss how to interpret the results and what corrective actions may be considered if the quality of a particular gear is unsatisfactory.

This webinar intends to demonstrate how, using the advantages of open die forging combined with the near-net shape capability of closed die forging, the forging process can be tailored to optimize time and cost savings for the gearing industry.

This course provides a solid and fundamental understanding of gear geometry, types and arrangements, and design principles. Starting with the basic definitions of gears, conjugate motion, and the Laws of Gearing, those attending will be given the tools needed to understand the inter-relation and coordinated motion operating within gear pairs and multi-gear trains. Basic gear system design process and gear measurement and inspection techniques will also be explained. In addition, the fundamentals of understanding the step-wise process of working through the iterative design process required to generate a gear pair will be reviewed, and attendees will also briefly discuss the steps and issues involved in design refinement and some manufacturing considerations. Also, an explanation of basic gear measurement techniques, how measurement equipment and test machines implement these techniques, and how to interpret the results from these basic measurements will be covered.

The American Gear Manufacturers Association (AGMA) announces the publication of an emerging technology document, Additive Manufacturing Technologies for Gears. This paper is part of the AGMA Emerging Technology Committee’s commitment to bring information on disruptive technologies to the AGMA membership. Kirk Rogers, PhD, Senior ADDvisorSM of The Barnes Group Advisors was brought on to author the paper with significant input from members of both the AGMA Emerging Technology Sub-committees on 3D Metal Printing and New Materials. Kirk Rogers, PhD, will provide an overview of the paper and answer your questions during this webinar. Sign up today to hear it from the author how this technology can affect you.

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