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Development of speed reducer with planocentric involute gearing mechanism

  • Materials and Design Engineering
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Abstract

A new speed reducer with the planocentric involute gearing mechanism, which can be replaced with a cycloid drive, is developed. This speed reducer eliminates some significant disadvantages of the cycloid drive, which are difficulty in not only designing and manufacturing the tooth profile but also meshing the gears to maintain an accurate center distance. In this paper, to avoid tooth tip interference between internal and external gears and maximize a speed reduction ratio, a pressure angle, a tooth height, a profile shifting factor and the number of teeth are simulated. We manufacture a prototype based on these simulated results of the design specifications (the rated power of 350watts, rated speed of 3600rpm and speed reduction ratio of 41:1), of which the overall size is Ф146mm×95.2mm. A power efficiency test of the prototype is carried out to compare with the cycloid drive.

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Authors and Affiliations

  1. Department of Mechanical Design Engineering, Graduate School, Pusan National University, Jangjeon-Dong, Geumjeong-Gu, Busan, Korea

    Moon-Woo Park & Jeong-Hyeon Ryu

  2. Ssang Yong Motor Company, Chilkoi-Dong, Pyeongtaek, Gyeonggi-Do, Korea

    Jae-Hoon Jeong

  3. School of Mechanical Engineering, Pusan National University, Jangjeon-Dong, Geumjeong-Gu, Busan, Korea

    Hyoung-Woo Lee & Noh-Gill Park

Authors
  1. Moon-Woo Park
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  2. Jae-Hoon Jeong
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  3. Jeong-Hyeon Ryu
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  4. Hyoung-Woo Lee
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  5. Noh-Gill Park
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Correspondence to Moon-Woo Park.

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Park, MW., Jeong, JH., Ryu, JH. et al. Development of speed reducer with planocentric involute gearing mechanism. J Mech Sci Technol 21, 1172–1177 (2007). https://doi.org/10.1007/BF03179032

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  • DOI: https://doi.org/10.1007/BF03179032

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