Effect of Stator Surface Texture on the Performances of an Ultrasonic Motor

被引：0
|
作者：
Zeng S. [1 ]
Li J. [1 ]
Chen P. [1 ]
Cui Y. [1 ]
机构：
[1] Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, 315211, Zhejiang
来源：
Mocaxue Xuebao/Tribology | 2019年 / 39卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Friction and wear; Mechanical characteristics; Surface texture; Temperature characteristics; Ultrasonic motor;
D O I：
10.16078/j.tribology.2019015
中图分类号：
学科分类号：
摘要：
Aiming at the problem-solving of the severe wear and temperature rise of friction materials used in ultrasonic motors, by using the method of fabricating micro-texture on the stator surface, the mechanical properties of ultrasonic motor was improved and the wear of friction material was reduced. Firstly, the positions of material adhesive area on the stator surface was measured by a microscope. After that three different density textures were designed and fabricated on stator surface by laser. Then, the speed-torque characteristics, efficiency-torque characteristics and temperature rise of the motor were tested. Meanwhile, the stator surface was observed. The results showed that the no-load speed of 3-dimple-texture stator was the highest, which was 12.1% higher than that of smooth stator. The stall torque and efficiency of 5-dimple-texture stator was the highest, which were 13.04% and 17.1% higher than that of smooth stator motor respectively. The temperature rise of textured stator was also reduced. By observing stator surface, it was found that the dimple texture greatly reduced the adhesion of the friction material, which can increase the energy conversion efficiency of the motor contact interface, improved the motor performance and reduced the wear of the friction material. © 2019, Science Press. All right reserved.
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页码：504 / 510
页数：6
相关论文
共 17 条
  • [1] Guo J., Bai Y., Wang J., Recent development and prospect of multi-degree-of-freedom ultrasonic motors, Journal of Vibration and Shock, 32, 15, pp. 65-68, (2013)
  • [2] Song F., Yang Z., Zhao G., Et al., Tribological performance of filled PTFE-based friction material for ultrasonic motor under different temperature and vacuum degrees, Journal of Applied Polymer Science, 134, 39, (2017)
  • [3] Fan Y., Ding Q., Yao Z., Properties of potassium titanate whisker reinforced polytetrafluoroethylene-based friction materials of ultrasonic motors, Journal of Applied Polymer Science, 125, 5, pp. 3313-3317, (2012)
  • [4] Wang Q., Song F., Zhang X., Et al., Impact of fillers and counter face topography on wear behavior of PTFE polymers for ultrasonic motor, Journal of Applied Polymer Science, 134, 19, (2017)
  • [5] Zhao G., Wu C., Zhang L., Et al., Friction and wear behavior of PI and PTFE composites for ultrasonic motors, Polymers for Advanced Technologies, 29, 5, pp. 1487-1496, (2018)
  • [6] Ding Q., Yao Z., Zheng W., Et al., Experimental sutdy of friction material adhere to the stator of the traveling wave type rotary ultrasonic motor, Tribology, 27, 6, pp. 578-582, (2007)
  • [7] Mohd R.F.R., Wan Y.W.A., Mat P.K.A., Increasing the efficiency of traveling wave ultrasonic motor by modifying the stator geometry, Ultrasonics, 64, pp. 177-185, (2016)
  • [8] Yang X., Meng X., Peng X., Et al., A TEHD lubrication analysis of surface textured mechanical seals, Tribology, 38, 2, pp. 204-212, (2018)
  • [9] Zhao S., Wang X., The effects of surface texture on the wear properties of mechanical seals made of metal and molymers, Tribology, 35, 6, pp. 761-767, (2015)
  • [10] Lu C., Yang X., Wang S., Et al., Dynamic pressure lubrication and anti-friction characteristics of the working surface of the cemented carbide with triangular grooved microtexture, Tribology, 38, 5, pp. 537-546, (2018)
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