Experimental Investigation on Backlash Control of Variable Tooththickness Gear Pair under Varying Load Excitation

doi:10.3901/JME.2020.15.138

Journal of Mechanical Engineering ›› 2020, Vol. 56 ›› Issue (15): 138-146.doi: 10.3901/JME.2020.15.138

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Experimental Investigation on Backlash Control of Variable Tooththickness Gear Pair under Varying Load Excitation

ZOU Shuaidong^1,2, WANG Guangjian^1,3, JIANG Yujiang^1,2, REN Pinxu⁴, YU Li^1,2, LI Xiaobing⁵

1. State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqing 400044;
2. College of Mechanical Engineering, Chongqing University, Chongqing 400044;
3. School of Automotive Engineering, Chongqing University, Chongqing 400044;
4. Mellon College of Science, Carnegie Mellon University, Pittsburgh 15217, USA;
5. The Fifth Electronic Institute, Ministry of Industry and Information Technology, Guangzhou 510000

Received:2019-09-10 Revised:2019-12-20 Online:2020-08-05 Published:2020-10-19

Abstract

Abstract: A backlash control method based on the variable tooth thickness gear pair (VTTGP) is presented. On the basis of the continuous backlash curve of VTTGP, the backlash compensation is carried out in real time according to the angular displacement of the driving gear by adjusting the relative position of driving and driven gear. The two-directions transmission error, backlash and their relationship of an involute gear pair with eccentricities are developed. On this basis, the continuous backlash curve of gear pair is obtained according to the experimental two-directions transmission error curve. The dynamic transmission error (DTE) curves of VTTGP under different loads with various amplitude and frequency are obtained by experimental method, and the results show that the backlash has a significant influence on the gear pair’s DTE. An experimental investigation on electrical control to backlash based on VTTGP is carried out under different varying load and the DTE is analyzed. The results show that the jump or fluctuation phenomenon of DTE is obviously improved after backlash control, which validates the electrical anti-backlash method.

Key words: backlash control, continuous backlash, two-directions transmission error, varying load, one/double sided gear rattle

CLC Number:

TH13

ZOU Shuaidong, WANG Guangjian, JIANG Yujiang, REN Pinxu, YU Li, LI Xiaobing. Experimental Investigation on Backlash Control of Variable Tooththickness Gear Pair under Varying Load Excitation[J]. Journal of Mechanical Engineering, 2020, 56(15): 138-146.

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Experimental Investigation on Backlash Control of Variable Tooththickness Gear Pair under Varying Load Excitation

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