A kind of modified hourglass worm drives, which is frequently called the type II worm gearing for short, has various favorable meshing features. Nevertheless, its sole shortcoming is the undercutting of the worm wheel. In the condition of adopting slight modification, this problem can be overcome due to the removal of a part of one sub-conjugate area containing the curvature interference limit line. In order to measure the effect of the avoidance of undercutting, a strategy to determine the meshing point in the most severe condition is proposed for a type II worm drive. The presented strategy can be divided into two steps. The first step is to establish a system of nonlinear equations in five variables in accordance with the theory of gearing. The second step is to solve the procured nonlinear equations by numerical iterative method to ascertain the meshing point required. A numerical example is presented to verify the validity and feasibility of the proposed scheme.
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ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 28–31, 2011
Washington, DC, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
978-0-7918-5485-3
PROCEEDINGS PAPER
Determination of the Most Dangerous Meshing Point for Modified Hourglass Worm Drives Available to Purchase
Yaping Zhao,
Yaping Zhao
Wuhan University of Science and Technology, Wuhan, Hubei, China
Search for other works by this author on:
Tianchao Wu
Tianchao Wu
Wuhan University of Science and Technology, Wuhan, Hubei, China
Search for other works by this author on:
Yaping Zhao
Wuhan University of Science and Technology, Wuhan, Hubei, China
Tianchao Wu
Wuhan University of Science and Technology, Wuhan, Hubei, China
Paper No:
DETC2011-47202, pp. 181-187; 7 pages
Published Online:
June 12, 2012
Citation
Zhao, Y, & Wu, T. "Determination of the Most Dangerous Meshing Point for Modified Hourglass Worm Drives." Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies. Washington, DC, USA. August 28–31, 2011. pp. 181-187. ASME. https://doi.org/10.1115/DETC2011-47202
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