Synchronous belt drives are occasionally required to transmit rotation accurately and are often employed in bidirectional operation. For transmission error per single pitch of the pulley, a helical synchronous belt with a helix angle of the tooth trace is effective. However, this belt causes axial movement because of the axial belt tooth load. When the belt comes into contact with the pulley flange or the belt moves away from the pulley flange due to bidirectional operation, the accuracy of finishing on the belt side face affects the transmission error. In the present study, the transmission error considering the error on the belt side face in a helical synchronous belt drive that uses flanged pulleys under the quasistatic condition and transmitted torque was investigated theoretically and experimentally for the case in which the pulley was rotated in bidirectional operation. The calculated transmission error coincided well with the experimentally obtained transmission error. Under forward rotation, the transmission error having a period of one rotation of the belt is caused by the error on the belt side face when the belt comes into contact with the pulley flange. Under reverse rotation, the transmission error is generated by a change in the belt tension due to the application of a transmitted torque and by the difference in axial belt movements between the driving and driven sides when the belt moves away from the pulley flange.
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e-mail: kagotani@tm.osaka-sandai.ac.jp
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August 2009
Research Papers
Theoretical Analysis of Transmission Error in Helical Synchronous Belt With Error on Belt Side Face Under Bidirectional Operation
Masanori Kagotani,
Masanori Kagotani
Professor
Department of Mechanical Engineering for Transportation,
e-mail: kagotani@tm.osaka-sandai.ac.jp
Osaka Sangyo University
, 3-1-1 Nakagaito, Daito-shi, Osaka 574-8530, Japan
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Hiroyuki Ueda
Hiroyuki Ueda
Associate Professor
Department of Mechanical Engineering for Transportation,
e-mail: ueda@tm.osaka-sandai.ac.jp
Osaka Sangyo University
, 3-1-1 Nakagaito, Daito-shi, Osaka 574-8530, Japan
Search for other works by this author on:
Masanori Kagotani
Professor
Department of Mechanical Engineering for Transportation,
Osaka Sangyo University
, 3-1-1 Nakagaito, Daito-shi, Osaka 574-8530, Japane-mail: kagotani@tm.osaka-sandai.ac.jp
Hiroyuki Ueda
Associate Professor
Department of Mechanical Engineering for Transportation,
Osaka Sangyo University
, 3-1-1 Nakagaito, Daito-shi, Osaka 574-8530, Japane-mail: ueda@tm.osaka-sandai.ac.jp
J. Mech. Des. Aug 2009, 131(8): 081004 (10 pages)
Published Online: July 15, 2009
Article history
Received:
March 27, 2008
Revised:
December 12, 2008
Published:
July 15, 2009
Citation
Kagotani, M., and Ueda, H. (July 15, 2009). "Theoretical Analysis of Transmission Error in Helical Synchronous Belt With Error on Belt Side Face Under Bidirectional Operation." ASME. J. Mech. Des. August 2009; 131(8): 081004. https://doi.org/10.1115/1.3086795
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