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Design of a spur gear based on the relative curvature control and analysis of its stress and mesh stiffness
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Zhiwei CHEN, Lei LIU, Rong KONG
Journal of Mechanical Strength | 2025, 47(4) : 105 - 111
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Journal of Mechanical Strength | 2025, 47(4): 105-111
• ∙Optimization∙Reliability∙ •
Design of a spur gear based on the relative curvature control and analysis of its stress and mesh stiffness
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Zhiwei CHEN, Lei LIU, Rong KONG
Affiliations
  • College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Published: 2025-04-15 doi: 10.16579/j.issn.1001.9669.2025.04.013
Outline
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The relative curvature of the spur gear mesh point is one of the key geometric parameters of the tooth profile,which has a significant impact on the stress distribution and mesh stiffness of the gear. Starting from the relevant research on constant relative curvature (CRC) gears, three types of non-involute spur gear tooth profiles were constructed based on the relative curvature control strategy considering the time-varying mesh characteristics of gears, and the mesh simulation of gear pairs was implemented. The influence of relative curvature control on the maximum contact stress, maximum bending stress,and mesh stiffness of gears was analyzed. The effectiveness of the control strategy was verified. This work provides some reference for the design of spur gears based on the relative curvature control.

Relative curvature  /  Spur gear design  /  Mesh process  /  Stress analysis
Zhiwei CHEN, Lei LIU, Rong KONG. Design of a spur gear based on the relative curvature control and analysis of its stress and mesh stiffness[J]. Journal of Mechanical Strength, 2025 , 47 (4) : 105 -111 . DOI: 10.16579/j.issn.1001.9669.2025.04.013
Funding
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  • National Natural Science Foundation of China(52075238)
  • Foundation of National Key Laboratory of Science and Technology on Helicopter Transmission of Nanjing University of Aeronautics and Astronautics(HTL-A-21G04)
Appendix
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Year 2025 volume 47 Issue 4
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55
27
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.04.013
  • Receive Date：2023-05-30
  • Online Date：2026-03-20
  • Published：2025-04-15
Article Data
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History
  • Received：2023-05-30
  • Revised：2023-06-27
Funding
National Natural Science Foundation of China(52075238)
Foundation of National Key Laboratory of Science and Technology on Helicopter Transmission of Nanjing University of Aeronautics and Astronautics(HTL-A-21G04)
Affiliations
    College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Corresponding:

LIU Lei, E-mail：
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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