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金属带式无级变速器夹紧力试验研究
引用本文:曹成龙,周云山,高帅,安颖.金属带式无级变速器夹紧力试验研究[J].湖南大学学报(自然科学版),2010,37(7):23-26.
作者姓名:曹成龙  周云山  高帅  安颖
作者单位:1. 湖南大学汽车车身先进设计制造国家重点实验室,湖南长沙,410082
2. 吉林大学汽车工程学院,吉林长春,130025
基金项目:教育部长江学者与创新团队发展计划资助项目 
摘    要:建立了汽车金属带式无级变速器(CVT)夹紧力试验装置系统,在其试验装置上标定了稳态下的主从缸夹紧力关系,定义了临界夹紧力,进行了CVT传动效率试验验证,对参数进行修正.为验证夹紧力的合理性,试验车装备了RDC15 CVT国产自动变速器,进行夹紧力试验验证.试验结果表明,标定后的夹紧力满足CVT传动要求,为国产CVT的量产提供了技术支持.

关 键 词:无级变速器  金属带式  夹紧力控制

A Study on Clamping Force Test of Metal V-belt Type CVT
CAO Cheng-long,ZHOU Yun-shan,GAO Shuai and AN Ying.A Study on Clamping Force Test of Metal V-belt Type CVT[J].Journal of Hunan University(Naturnal Science),2010,37(7):23-26.
Authors:CAO Cheng-long  ZHOU Yun-shan  GAO Shuai and AN Ying
Abstract:Clamping force control of metal V-belt type CVT(Continuously Variable Transmission) is one of the key technologies. Because of the complexity of the metal V-belt transmission, it is hard to use mathematical model to accurately describe the clamping force formula. Large numbers of tests should be done, and then parameters should be modified on the basis of an empirical model. A clamping force test device was built, on which the clamping force relationship between the primary cylinder pressure and the slave cylinder pressure was calibrated at a steady state, and the critical clamping force was defined. The CVT efficiency was also tested. In order to judge the reasonableness of the clamping force, a clamping force test was done on a test vehicle equipped with RDC15 CVT made in China. The results have shown that the CVT Transmission meet the requirements after the clamping force calibration. Technological support will be provided for the mass production of CVT in China.
Keywords:continuously variable transmission  metal V-belt type  clamping control
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