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Noise reduction test of worm helical gear pair in automobile electric seat adjuster
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Yan CHEN1, 2, 3, Wentao WANG4, Yun PU1, 3
Journal of Mechanical Strength | 2025, 47(5) : 71 - 79
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Journal of Mechanical Strength | 2025, 47(5): 71-79
• Vibration·Noise·Monitoring·Diagnosis •
Noise reduction test of worm helical gear pair in automobile electric seat adjuster
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Yan CHEN1, 2, 3, Wentao WANG4, Yun PU1, 3
Affiliations
  • 1.School of Artificial Intelligence, Chongqing Business Vocational College, Chongqing 401331, China
  • 2.School of Aeronautics & Astronautics, Sichuan University, Chengdu 610207, China
  • 3.Chongqing Institute of Commerce and Economics, Chongqing 401331, China
  • 4.Shenzhen Lanlan Technology Co., Ltd., Shenzhen 518000, China
Published: 2025-05-15 doi: 10.16579/j.issn.1001.9669.2025.05.009
Outline
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Aiming at the noise problem of the automobile electric seat adjuster, a pair of modified worm and modified helical gear was adopted for its main transmission system to reduce the meshing impact. The mathematical model was established, and several worms and helical gears with different modifications were processed. The noise test bench was built,and the acceleration spectrum of the automobile seat adjuster under the original models and different modifications were tested. Then the whole device’s noise reduction test was conducted with the optimized combination of tooth profile modification. The analysis results show that the appropriate profile modification of the worm and helical gear can effectively reduce the acceleration spectrum peak. With 0.04 mm and 0.02 mm modification respectively for the helical gear and the worm, the acceleration peak value of seat adjuster is significantly lower than that of the original product. The difference between the 6 sets of test products maximum noise and the standard products is within 1.6 dB, and the acceleration spectrum and acceleration peak of the experimental products are significantly reduced compared to the original product, which can verify noise reduction by the tooth profile modification of worm and helical gear pair is feasible.

Seat adjuster  /  Worm  /  Helical gear  /  Tooth profile modification  /  Noise reduction
Yan CHEN, Wentao WANG, Yun PU. Noise reduction test of worm helical gear pair in automobile electric seat adjuster[J]. Journal of Mechanical Strength, 2025 , 47 (5) : 71 -79 . DOI: 10.16579/j.issn.1001.9669.2025.05.009
Funding
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  • Science and Technology Project of Chongqing Education Commission(KJZD-K202204401; KJQN202304401; KJQN202404405)
  • Chongqing Education and Scientific Research Experimental Base(JD2024Z027)
  • Chongqing Business Vocational College’s Membrane Separation Environmental Control System Application Technology Promotion Center(2023XJZX06)
Appendix
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Year 2025 volume 47 Issue 5
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73
35
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.05.009
  • Receive Date：2023-04-26
  • Online Date：2026-03-19
  • Published：2025-05-15
Article Data
Affiliations
History
  • Received：2023-04-26
  • Revised：2023-06-12
Funding
Science and Technology Project of Chongqing Education Commission(KJZD-K202204401; KJQN202304401; KJQN202404405)
Chongqing Education and Scientific Research Experimental Base(JD2024Z027)
Chongqing Business Vocational College’s Membrane Separation Environmental Control System Application Technology Promotion Center(2023XJZX06)
Affiliations
    1.School of Artificial Intelligence, Chongqing Business Vocational College, Chongqing 401331, China
    2.School of Aeronautics & Astronautics, Sichuan University, Chengdu 610207, China
    3.Chongqing Institute of Commerce and Economics, Chongqing 401331, China
    4.Shenzhen Lanlan Technology Co., Ltd., Shenzhen 518000, China

Corresponding:

CHEN Yan, E-mail：
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表12种不同金属材料的力学参数
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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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