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Technical Brief

Acquisition Cost-Torque Capacity-Reliability Modeling for Spur Gears

[+] Author and Article Information
Reza Lotfalian

Department of Mechanical Engineering,
McGill University,
Montreal, QC H3A 0G4, Canada
e-mail: reza.lotfalian@mail.mcgill.ca

Sudarshan Martins

Department of Mechanical Engineering,
McGill University,
Montreal, QC H3A 0G4, Canada
e-mail: sudarshan.martins@metso.com

Peter Radziszewski

Adjunct Professor
Department of Mechanical Engineering,
McGill University,
Montreal, QC H3A 0G4, Canada
e-mail: peter.radziszewski@metso.com

Benoit Boulet

Department of Electrical and Computer Engineering,
McGill University,
Montreal, QC H3A 0G4, Canada
e-mail: benoit.boulet@mcgill.ca

1Corresponding author.

Contributed by the Power Transmission and Gearing Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received July 5, 2017; final manuscript received February 26, 2018; published online April 17, 2018. Assoc. Editor: Hai Xu.

J. Mech. Des 140(6), 064501 (Apr 17, 2018) (6 pages) Paper No: MD-17-1453; doi: 10.1115/1.4039588 History: Received July 05, 2017; Revised February 26, 2018

This paper studies the influence of macrogeometry and material type of spur gears on their torque capacity, reliability, and acquisition cost. The developed model indicates how costly it is to enhance the torque capacity or the reliability of gears. The results are in agreement with the catalog prices of a manufacturer in a wide size range and different modules. The model provides a simple cost estimation tool for multi-objective gear design and optimization.

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References

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AGMA, 1989, “ Geometry Factors for Determining the Pitting Resistant and Bending Strength of Spur, Helical, and Herringbone Gear Teeth,” American Gear Manufacturers, Alexandria, VA, Standard No. AGMA 908-B89.
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Figures

Grahic Jump Location
Fig. 1

Acquisition cost versus pitch diameter and module

Grahic Jump Location
Fig. 2

Acquisition cost versus reliability

Grahic Jump Location
Fig. 3

Acquisition cost versus reliability and torque, d=279.4 mm

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