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Optimization Design of Micro-texture on the Surface of Friction Plate in High-Speed Wet Clutch
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Lin Zhang1, 2, 3, Hua Meng1, Yu Feng3, Xiaolong Zhao3, Chao Wei4, Yunbing Yan1
Automotive Engineering | 2024, 46(2) : 320 - 328
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Automotive Engineering | 2024, 46(2): 320-328
• Selected Papers •
Optimization Design of Micro-texture on the Surface of Friction Plate in High-Speed Wet Clutch
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Lin Zhang1, 2, 3, Hua Meng1, Yu Feng3, Xiaolong Zhao3, Chao Wei4, Yunbing Yan1
Affiliations
  • 1. School of Automotive and Traffic Engineering，Wuhan University of Science and Technology，Wuhan 430081
  • 2. Zhejiang University，State Key Laboratory of Fluid Power and Mechatronic Systems，Hangzhou 310027
  • 3. National Key Laboratory of Special Vehicle Design and Manufacturing Integration Technology，Baotou 014030
  • 4. Beijing Institute of Technology，Science and Technology on Vehicle Transmission Laboratory，Beijing 100081
Published: 2024-02-25 doi: 10.19562/j.chinasae.qcgc.2024.02.014
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The wet clutch is the core component of the vehicle transmission system. It is prone to rub-impact between the friction plate and steel plate during high-speed separation，resulting in a sharp increase in drag torque，and affecting its transmission efficiency and reliability. Therefore，in this paper，to reduce the rub-impact drag torque in high-speed wet clutch，the micro-texture on the surface of the friction plate is optimally designed. Firstly，a parameterized modeling method of arbitrary micro-texture shape lines on the surface of friction plate is proposed. Then the number，depth，circumferential proportion，radial proportion and shape line parameters of the micro-texture are selected to construct the design variables，constraint conditions and optimal objective function for micro-texture optimization. By combining the experiment design method，approximation modeling simulation and global search optimization method，an optimal design model of micro-texture on the surface of friction plate is established. Finally，a comparison test of drag torque before and after micro-texture optimization is carried out. The results show that the optimized micro-texture can significantly reduce the rub-impact drag torque at high circumferential speed，and greatly delay the critical speed at which the rub-impact phenomenon of friction pair occurs.

wet clutch  /  fluid-structure interaction  /  rub-impact  /  drag torque  /  optimization design
Lin Zhang, Hua Meng, Yu Feng, Xiaolong Zhao, Chao Wei, Yunbing Yan. Optimization Design of Micro-texture on the Surface of Friction Plate in High-Speed Wet Clutch[J]. Automotive Engineering, 2024 , 46 (2) : 320 -328 . DOI: 10.19562/j.chinasae.qcgc.2024.02.014
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Article Info
doi: 10.19562/j.chinasae.qcgc.2024.02.014
  • Receive Date：2023-07-06
  • Online Date：2025-07-20
  • Published：2024-02-25
Article Data
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History
  • Received：2023-07-06
  • Revised：2023-08-14
Funding
Affiliations
    1. School of Automotive and Traffic Engineering，Wuhan University of Science and Technology，Wuhan 430081
    2. Zhejiang University，State Key Laboratory of Fluid Power and Mechatronic Systems，Hangzhou 310027
    3. National Key Laboratory of Special Vehicle Design and Manufacturing Integration Technology，Baotou 014030
    4. Beijing Institute of Technology，Science and Technology on Vehicle Transmission Laboratory，Beijing 100081
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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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