无级变速器镁合金金属带表面涂层摩擦磨损性能研究*

doi:10.19562/j.chinasae.qcgc.2020.07.009

汽车工程 ›› 2020, Vol. 42 ›› Issue (7): 901-908.doi: 10.19562/j.chinasae.qcgc.2020.07.009

无级变速器镁合金金属带表面涂层摩擦磨损性能研究^*

刘金刚¹, 向红娓¹, 王高升¹, 邹乃威², 陈建文³, 陈建华³

1.湘潭大学机械工程学院,湘潭 411105;
2.宁波工程学院,宁波 315211;
3.中国兵器工业集团江麓机电集团有限公司,湘潭 411100

收稿日期:2019-10-16 出版日期:2020-07-25 发布日期:2020-08-14
通讯作者: 王高升,副教授,E-mail:wgs@hnie.edu.cn。
基金资助:
*湖南省汽车动力与传动系统重点实验室项目、长株潭国家自主创新示范区专项资金项目(2018XK2302和2017XK2107)、湖南省自然科学基金湘潭市联合基金项目(2018JJ4056)、湖南省杰出青年基金(2019JJ20015)和国家自然科学基金(51775241)资助。

Study on Friction and Wear Performances of Surface Coating of Magnesium Alloy Metal Belt in Continuously Variable Transmission

Liu Jingang¹, Xiang Hongyu¹, Wang Gaosheng¹, Zou Naiwei², Chen Jianwen³, Chen Jianhua³

1. School of Mechanical Engineering, Xiangtan University, Xiangtan 411105;
2. Ningbo Institute of Technology, Ningbo 315211;
3. China North Industries Group Corporation, Jianglu Machinery Group Co., Ltd., Xiangtan 411100

Received:2019-10-16 Online:2020-07-25 Published:2020-08-14

摘要/Abstract

摘要： 为减小金属带式无级变速器(CVT)摩擦片与带轮之间的摩擦磨损,提高CVT的传动效率,提出一种经过耐磨涂层热处理后的镁合金材料替代摩擦片轴承钢材料。通过有限元仿真分析得到,不同材料的摩擦片对其接触应力有显著的影响,对其应力分布也有一定的影响,镁合金金属带比轴承钢金属带产生的离心力对系统的影响小很多。实验研究结果表明,在镁合金表面制备的3种耐磨涂层,均可提高镁合金表面的耐磨性能,从而会减小镁合金摩擦片与带轮之间的摩擦磨损,延长CVT金属带的使用寿命。

关键词: 金属带式无级变速器, 镁合金, 摩擦磨损

Abstract: In order to reduce the friction and wear between the friction plate and the pulley of the metal belt type continuously variable transmission (CVT) and enhance the transmission efficiency of the CVT, a magnesium alloy material with wear resistant coating by heat treatment is proposed to replace the bearing steel material for friction plate. It is founded by finite element simulation analysis that the friction plates of different materials have a significant influence on their contact stress and a certain effect on their stress distribution. The centrifugal force generated by magnesium alloy metal belt has much less effects on the system than that generated by bearing steel metal belt. The results of experimental study show that all three wear resistant coatings prepared on the surface of magnesium alloy can enhance its wear resistance, and hence reduce the friction and wear between the friction plate and the pulley and extend the service life of the metal belt of CVT.

Key words: metal belt type CVT, magnesium alloy, friction and wear

刘金刚, 向红娓, 王高升, 邹乃威, 陈建文, 陈建华. 无级变速器镁合金金属带表面涂层摩擦磨损性能研究^*[J]. 汽车工程, 2020, 42(7): 901-908.

Liu Jingang, Xiang Hongyu, Wang Gaosheng, Zou Naiwei, Chen Jianwen, Chen Jianhua. Study on Friction and Wear Performances of Surface Coating of Magnesium Alloy Metal Belt in Continuously Variable Transmission[J]. Automotive Engineering, 2020, 42(7): 901-908.

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无级变速器镁合金金属带表面涂层摩擦磨损性能研究^*

Study on Friction and Wear Performances of Surface Coating of Magnesium Alloy Metal Belt in Continuously Variable Transmission

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