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.

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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This is a three-part series that includes webinars on Load Distribution, Condition Monitoring, and Lubrication. Part I: Gears can fail due to various damage patterns. In this study, the combined influence of shaft misalignments and gear lead crown on load distribution and tooth bending stresses is applied to real world circumstances. Part II: Both the operator and designer must consider gear tribology. In this second part of our series, the focus will be placed on lubrication. Part III: Gearbox diagnostics and service are critical to the field inspection process. In this third part of our series, instructors will explore these concepts in depth.

This session will discuss the approach used to develop the cutting parameters for certain materials with specific hardness. It will include the starting feed, speed and hob shifting strategy.

In this webinar Dr. Terry will cover the details of the metallurgy of heat treatment of gear steels and in particular through- hardened/quenched and tempered and carburized gears. The metallurgical mechanisms which develop the properties necessary to carry gear tooth loads will be examined and the load carrying capability of the various material options will be explained. Metallurgical characteristics specific to gear steels will be explored.

The objective of this webinar is to examine the basics for troubleshooting gearbox problems. The presentation will define the main problem areas for gearing and gearboxes including vibration; heat generation; noise alignment; wear on gearing, bearings seals and gearbox casing; lubrication; and then failures. Each set of problems will have causes and possible solutions provided.

This webinar will address the design details and pitfalls related with the gear tooth fillet configuration NOT just the fillet radius specification. Often this parameter is not specified at all or only minimally noted on the engineering drawing. In fact, it is one of the most important factors in determining the actual bending strength of the gear tooth. In this regard, we will discuss the various types of fillet forms including full trochoidal, corner radius trochoidal and full circular. Superimposed on these is the complicating detail of undercut which is developed either unintentionally due to tooth number and pressure angle conditions or intentionally to allow finishing the tooth flanks only (i.e. by flank grinding, lapping, honing, hard cutting, etc.) without creating a step in the critical section region. The very powerful effect of the fillet configuration will be demonstrated by actual calculation using various fillet configurations for the same basic tooth configuration. We will see that the specifics of the fillet configuration can affect the tooth strength by 50% or more. In addition, we will also address the actual deleterious effects of a step at the root upon tooth bending fatigue strength. This effect is a function of the location, depth and radius at the corner of the step and can vary greatly. To implement this knowledge, we will close with a presentation of the proper drawing call out for complete fillet configuration control that will insure maximum and more importantly, consistent and repeatable tooth bending strength.

Gear quality is of utmost importance to a manufacturer. Presented in this webinar are several commonly used gear inspection methods to ensure the quality of a gear from the raw material through to the final manufactured form. Discussed are methods of assuring the quality of: raw material (cast or billet), heat treatment (whether forged, quench and tempered, carburized induction hardened or nitrided) and final net shape formation (welding, machining and fine finishing). Students will be able to assess the accuracy of the current methods used or possibly find newer, less expensive methods for assessing the quality of their gears.