Helical synchronous belt drives are more effective than conventional synchronous belt drives with respect to reducing noise and transmission error per single pitch of the pulley. However, the helix angle of the tooth trace causes axial belt movement. Therefore, flanged pulleys are used in a helical synchronous belt drive, in order to prevent the belt from running off the pulley. In the present study, the transmission error in a helical synchronous belt drive using flanged pulleys under no transmitted load was investigated both theoretically and experimentally for the case where the pulley was rotated in bidirectional operation. The computed transmission error agrees well with the experimental results, thereby confirming the applicability of the proposed theoretical analysis for transmission error. In this case, transmission error is found to be generated by the difference in axial belt movement between the driving and driven sides, and by a change in the state of contact between the belt and pulley teeth flanks. The transmission error is reduced when the installation tension is set higher than the tension that causes a change in contact direction between the tooth flanks. In addition, transmission error does not occur when the driving and driven pulleys are of equal outside diameter and have no alignment error between the driving and driven pulleys in the axial direction.
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September 2004
Technical Papers
Transmission Error in Helical Synchronous Belt Drives in Bidirectional Operation Under No Transmitted Load (Influence of Pulley Flanges)
Masanori Kagotani, Professor,,
Masanori Kagotani, Professor,
Department of Mechanical Engineering for Transportation, Osaka Sangyo University, 3-1-1, Nakagaito, Daito-shi, Osaka, 574-8530 Japan
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Kenichi Makita,
Kenichi Makita
Structure Engineering Department, Jatco Ltd., 3-20-8, Shin-Yokohama, Kohoku-ku, Yokohama-shi, Kanagawa, 222-0033 Japan
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Hiroyuki Ueda, Associate Professor,,
Hiroyuki Ueda, Associate Professor,
Department of Mechanical Engineering for Transportation, Osaka Sangyo University, 3-1-1, Nakagaito, Daito-shi, Osaka, 574-8530 Japan
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Tomio Koyama, Professor,
Tomio Koyama, Professor,
Department of Mechanical Engineering, Osaka Institute of Technology, 5-16-1, Omiya, Asahi-ku, Osaka, 535-8585 Japan
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Masanori Kagotani, Professor,
Department of Mechanical Engineering for Transportation, Osaka Sangyo University, 3-1-1, Nakagaito, Daito-shi, Osaka, 574-8530 Japan
Kenichi Makita
Structure Engineering Department, Jatco Ltd., 3-20-8, Shin-Yokohama, Kohoku-ku, Yokohama-shi, Kanagawa, 222-0033 Japan
Hiroyuki Ueda, Associate Professor,
Department of Mechanical Engineering for Transportation, Osaka Sangyo University, 3-1-1, Nakagaito, Daito-shi, Osaka, 574-8530 Japan
Tomio Koyama, Professor,
Department of Mechanical Engineering, Osaka Institute of Technology, 5-16-1, Omiya, Asahi-ku, Osaka, 535-8585 Japan
Contributed by the Reliability, Stress Analysis, and Failure Prevention Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received July 2003; revised January 2004. Associate Editor: E. Sancaktar.
J. Mech. Des. Sep 2004, 126(5): 881-888 (8 pages)
Published Online: October 28, 2004
Article history
Received:
July 1, 2003
Revised:
January 1, 2004
Online:
October 28, 2004
Citation
Kagotani, M., Makita, K., Ueda, H., and Koyama, T. (October 28, 2004). "Transmission Error in Helical Synchronous Belt Drives in Bidirectional Operation Under No Transmitted Load (Influence of Pulley Flanges) ." ASME. J. Mech. Des. September 2004; 126(5): 881–888. https://doi.org/10.1115/1.1765118
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