汽车摩擦材料缩比Krauss摩擦试验机的研制及比较性评价

doi:10.3901/JME.2020.21.158

机械工程学报 ›› 2020, Vol. 56 ›› Issue (21): 158-167.doi: 10.3901/JME.2020.21.158

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汽车摩擦材料缩比Krauss摩擦试验机的研制及比较性评价

王振玉^1,2, 王杰¹, 王利宁^3,4, PETER K⁵, 马云海^3,4, 王铁山^3,4

1. 四川大学机械工程学院成都 610065;
2. 成都理工大学工程技术学院乐山 614000;
3. 吉林大学机电设备研究所长春 130117;
4. 吉林大学生物与农业工程学院长春 130022;
5. Krauss GmbH-Link Engineering Company Murr 71711 德国

收稿日期:2019-11-07 修回日期:2020-07-15 出版日期:2020-11-05 发布日期:2020-12-19
作者简介:王振玉,男,1980年出生,博士研究生,教授。主要从事摩擦材料技术与装备研究。E-mail:wangzhenyu2009@163.com;王杰(通信作者),男,1964年出生,博士,教授,博士研究生导师。主要从事计算机集成制造技术研究。E-mail:wangjie@scu.edu.cn
基金资助:
国家自然科学基金(51075177)资助项目。

Development and Comparative Evaluation of Reduced-scale Krauss Friction Tester for Automobile Friction Materials

WANG Zhenyu^1,2, WANG Jie¹, WANG Lining^3,4, PETER K⁵, MA Yunhai^3,4, WANG Tieshan^3,4

1. School of Mechanical Engineering, Sichuan University, Chengdu 610065;
2. School of Engineering and Technology, Chengdu University of Technology, Leshan 614000;
3. Jilin University Mechanical and Electrical Equipment Research Institute, Changchun 130117;
4. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022;
5. Krauss GmbH-Link Engineering Company, Murr 71711 GER

Received:2019-11-07 Revised:2020-07-15 Online:2020-11-05 Published:2020-12-19

摘要/Abstract

摘要： 为了提高小样试验工况的可模拟性,降低试验成本,提高试验效率,以Krauss试验机为原型,根据相似原理,应用量纲分析法推导缩比Krauss试验机的基本参数,研制了一种缩小比例的Krauss试验机。选用PVW-3212试验规程,选取同一批次汽车制动衬片进行试验研究,通过对摩擦因数、试验温度和试验周期等指标进行比较。结果表明,全程平均摩擦因数较接近,摩擦因数最大值和最小值出现的阶段和制动次序均相同,全程平均温度具有很好的线性相关性。执行相同PVW-3212试验规程的情况下,在制动初始和制动解除阶段,缩比Krauss试验机压力响应较快,全尺寸Krauss试验机压力响应较慢,缩比试验制动结束时间提前约100 ms,每次试验成本约为全尺寸Krauss试验机的29.67%。缩比Krauss试验机与全尺寸Krauss试验机具有较好的一致性和可比性,证明了该缩比Krauss试验机的可靠性,为摩擦材料的测试提供了一种新的试验装置。

关键词: 摩擦材料, 相似理论, Krauss试验机, 对比试验, 摩擦磨损

Abstract: In order to improve the simulation of the sample test conditions, reduce the test cost, and improve the test efficiency. Taking the Krauss tester as a prototype, the basic parameters of the reduced-scale Krauss tester were obtained according to the similarity principle and the dimensional analysis method. The reduced-scale Krauss tester had been developed. The same batch of automobile brake linings have been rigorously evaluated on two Krauss testers following PVW-3212 procedure and have been discussed these parameters such as friction coefficient, experimental temperature and test cycle. The results show that the average friction coefficient is relatively close, the maximum and minimum values of the friction coefficient appear at the same stage and the same braking sequence, and the average temperature of the whole process has good linear correlation during the entire test. When the same PVW-3212 test procedure is carried out, the pressure response of the reduced-scale Krauss tester is faster than that of the full-scale Krauss tester in the initial braking and braking release stages, so the reduced-scale Krauss tester brake completion time is about 100 ms earlier, and the test cost is approximately 29.67% of the full-scale Krauss tester. The reduced-scale Krauss tester has good consistency and comparability with the full-scale Krauss tester, which proves the reliability of the reduced-scale Krauss tester and also tries to provide a new test device for the friction material test.

Key words: friction material, similarity theory, Krauss tester, comparative test, friction and wear

中图分类号:

TH117

王振玉, 王杰, 王利宁, PETER K, 马云海, 王铁山. 汽车摩擦材料缩比Krauss摩擦试验机的研制及比较性评价[J]. 机械工程学报, 2020, 56(21): 158-167.

WANG Zhenyu, WANG Jie, WANG Lining, PETER K, MA Yunhai, WANG Tieshan. Development and Comparative Evaluation of Reduced-scale Krauss Friction Tester for Automobile Friction Materials[J]. Journal of Mechanical Engineering, 2020, 56(21): 158-167.

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汽车摩擦材料缩比Krauss摩擦试验机的研制及比较性评价

Development and Comparative Evaluation of Reduced-scale Krauss Friction Tester for Automobile Friction Materials

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