Direct Gear Design by Alexander L. Kapelevich

By Alexander L. Kapelevich

Over the final a number of many years, gearing improvement has inquisitive about advancements in fabrics, production expertise and tooling, thermal therapy, and coatings and lubricants. by contrast, apparatus layout equipment have remained frozen in time, because the overwhelming majority of gears are designed with commonplace the teeth proportions. This over-standardization considerably limits the aptitude functionality of customized equipment drives, particularly in challenging aerospace or automobile purposes. Direct equipment Design introduces an alternative equipment layout method of maximize equipment force functionality in customized equipment purposes.


Developed through the writer, the Direct apparatus Design® approach has been effectively applied in a wide selection of customized equipment transmissions during the last 30 years. the consequences are maximized apparatus force functionality, elevated transmission load means and potency, and diminished measurement and weight. This e-book explains the strategy basically, making it effortless to use to real equipment design.



  • Describes the foundation and theoretical foundations of the Direct equipment layout process in addition to a few of its applications—and its limits

  • Details the optimization suggestions and the specifics of Direct apparatus Design

  • Discusses how this strategy can be utilized with uneven gears to additional increase performance

  • Describes tolerance choice, production applied sciences, and dimension tools of customized gears

  • Compares Direct equipment layout with conventional equipment layout from either an analytical and an experimental perspective

  • Illustrates the applicability and advantages of this apparatus layout technique with implementation examples

Written via an engineer for engineers, this booklet provides a different substitute to standard apparatus layout. It conjures up readers to discover methods of bettering apparatus transmission functionality in customized equipment purposes, from larger transmission load means, potency, and reliability to decrease dimension, weight, and cost.

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