Impact of Vane Friction Coefficient on Cam-Rotor 
Motor’s Torque Performance

doi:10.16183/j.cnki.jsjtu.2020.02.007

Abstract

Abstract: In order to study the influence of the blade friction coefficient on the torque performance of the hydraulic cam-rotor servo motor, a mechanical model of the vane motor torque is established. By analyzing the force on the vane, the relationship between the positive pressure exerted by the cam-rotor on the vane and the friction coefficient between the vane and the vane groove are derived. Based on this, the analytical formula between the friction coefficient and the resistance torque applied by the vane to the cam-rotor is derived. The MATLAB is used to simulate the mechanical model. The results show that the increase of the friction coefficient between the vane and the vane groove will reduce the positive pressure between the vanes, and increase the resistance torque of the vane to the cam-rotor, resulting in significant fluctuation of the motor output torque. The maximum and average values of the resistance torque are roughly linear to the friction coefficient. Reducing the geometrical tolerance and surface roughness between the vane and the vane groove can improve the low speed characteristics of the servo motor.

Key words: cam-rotor; vane motor; resistance torque; low speed performance; friction coefficient

CLC Number:

TH 137

TAN Dun，TAO Jianfeng，CHEN Liangshen,WANG Xuyong. Impact of Vane Friction Coefficient on Cam-Rotor Motor’s Torque Performance[J]. Journal of Shanghai Jiaotong University, 2020, 54(2): 160-166.

References ［13］

［1］	袁璠.凸轮转子液压伺服马达优化设计［D］. 上海: 上海交通大学, 2017.
	YUAN Fan. Optimization design of cam-rotor hydraulic servo motor ［D］. Shanghai: Shanghai Jiao Tong University, 2017.
［2］	朱彦楠, 张强, 陈立峰, 等. 基于效率分析的凸轮转子叶片马达液膜厚度设计［J］. 上海交通大学学报, 2018, 52(6): 715-721.
	ZHU Yannan, ZHANG Qiang, CHEN Lifeng, et al. Liquid film thickness design of cam-rotor vane motor based on efficiency analysis［J］. Journal of Shanghai Jiao Tong University, 2018, 52(6): 715-721.
［3］	徐川辉, 王旭永, 张文俊, 等. 基于参数对比的凸轮转子伺服马达优化设计［J］. 中国机械工程, 2014, 25(18): 2421-2426.
	XU Chuanhui, WANG Xuyong, ZHANG Wenjun, et al. Optimal design theory of cam-rotor servomotor based on parameter comparisons［J］. China Mechanical Engineering, 2014, 25(18): 2421-2426.
［4］	杨新伟. 双作用双转子叶片马达的理论与实验研究［D］. 秦皇岛: 燕山大学, 2016.
	YANG Xinwei. The theory and experimental study of double-acting and dual-rotor vane motor［D］. Qinhuangdao: Yanshan University, 2016.
［5］	徐川辉, 吴亦昕, 王旭永, 等. 凸轮转子叶片马达干扰力矩分析与实验研究［J］. 上海交通大学学报, 2014, 48(3): 430-433.
	XU Chuanhui, WU Yixin, WANG Xuyong, et al. Disturbance torque of cam-rotor vane motor［J］. Journal of Shanghai Jiao Tong University, 2014, 48(3): 430-433.
［6］	YUAN F, WANG X Y, TAO J F, et al. Research on vane end face of cam-rotor vane servo motor based on disturbing torque［J］. Journal of Shanghai Jiao Tong University, 2016, 21(6): 641-647.
［7］	袁璠, 王旭永, 张文俊, 等. 凸轮转子叶片马达的过渡曲线中心角参数优化［J］. 上海交通大学学报, 2016, 50(5): 680-685.
	YUAN Fan, WANG Xuyong, ZHANG Wenjun, et al. Optimization of central angle of transition curve of cam-rotor vane motor［J］. Journal of Shanghai Jiao Tong University, 2016, 50(5): 680-685.
［8］	徐川辉.连续回转凸轮转子叶片伺服马达理论分析与研究［D］.上海: 上海交通大学, 2014.
	XU Chuanhui. Research on continuous revolving servo cam rotor vane motor［D］. Shanghai: Shanghai Jiao Tong University, 2014.
［9］	刘鹏, 王旭永, 陶建峰, 等. 无磁仿真转台用凸轮转子马达叶片干扰力矩［J］. 上海交通大学学报, 2010, 44(12): 1773-1777.
	LIU Peng, WANG Xuyong, TAO Jianfeng, et al. Disturbance torque produced by vanes of cam rotor motor on non-magnetic motion simulator［J］. Journal of Shanghai Jiao Tong University, 2010, 44(12): 1773-1777.
［10］	闻德生, 潘为圆, 商旭东, 等. 双作用双转子叶片马达的转矩特性［J］. 华中科技大学学报(自然科学版), 2017, 45(9): 90-95.
	WEN Desheng, PAN Weiyuan, SHANG Xudong, et al. Torque characteristics for double-acting and dual-rotor vane motor［J］. Journal of Huazhong University of Science and Technology (Natural Science Edition), 2017, 45(9): 90-95.
［11］	闻德生, 周瑞彬, 吕建森, 等. 双转子凸轮马达的转矩和转速分析［J］. 华南理工大学学报(自然科学版), 2014, 42(4): 105-110.
	WEN Desheng, ZHOU Ruibin, L Jiansen, et al. Analysis of rotational torque and speed of double-rotor cam motor［J］. Journal of South China University of Technology (Natural Science Edition), 2014, 42(4): 105-110.
［12］	王忠楗. TYB型凸轮转子叶片泵［J］. 机床与液压, 1982, 10(6): 11-31.
	WANG Zhongjian. Cam-rotor vane pump type TYB［J］. Machine Tool & Hydraulics, 1982, 10(6): 11-31.
［13］	张文俊, 王旭永, 徐川辉, 等. 凸轮转子马达液压伺服系统的控制策略研究［J］. 计算机仿真, 2014, 31(4): 264-268.
	ZHANG Wenjun, WANG Xuyong, XU Chuanhui, et al. Research on control strategy for hydraulic servo system with cam rotor motor［J］. Computer Simulation, 2014, 31(4): 264-268.

[1]	GUO Qinyang,SHI Guanglin,WANG Dongmei. Composite Adaptive Control for Electro-Hydraulic Servo System Under Interval Excitation Condition [J]. Journal of Shanghai Jiaotong University, 2019, 53(6): 639-646.
[2]	ZHANG Qiang,ZHU Yannan,TAO Jianfeng,WANG Xuyong. Sealing Clearance Optimization of Cam Rotor Vane Motor Based on Heat Property Analysis [J]. Journal of Shanghai Jiaotong University, 2019, 53(6): 647-653.
[3]	XU Jing, NI Jing, CHEN Yebo, JIN Yongtao, WU Can. Reciprocating Dynamic Friction Characteristics of the Micro-Gap of the Valve Sleeve and the Valve Core of the Pneumatic Control Valve [J]. Journal of Shanghai Jiao Tong University, 2019, 53(1): 118-.
[4]	WANG Xuan,TAO Jianfeng,ZHANG Fengrong,WU Yajin,LIU Chengliang. Unidirectional Proportional PumpControlled Asymmetric Cylinder Control Method Based on Predictive Control [J]. Journal of Shanghai Jiaotong University, 2016, 50(05): 696-701.
[5]	LIN Tianliang1,2,LIU Qiang1. Method of Parameter Matching for Hydraulic Hybrid System for Excavators [J]. Journal of Shanghai Jiaotong University, 2013, 47(05): 728-733.
[6]	XU Chuanhui1,WU Yixin2,WANG Xuyong1,TAO Jianfeng1, ZHANG Wenjun1,MIAO Zhonghua3. Disturbance Torque of Cam-Rotor Vane Motor [J]. Journal of Shanghai Jiaotong University, 2014, 48(03): 430-433.
[7]	ZHU Yannan1，ZHANG Qiang1，CHEN Lifeng2，TAO Jianfeng1，WANG Xuyong1. Liquid Film Thickness Design of Cam-Rotor Vane Motor Based on Efficiency Analysis [J]. Journal of Shanghai Jiao Tong University, 2018, 52(6): 715-721.
[8]	XU Qiaoning,AI Qinglin,DU Xuewen,LIU Yi. An Integrated Model-Based and Data-Driven Method for Early Fault Detection of a Ship Rudder Electro-Hydraulic Servo System [J]. Journal of Shanghai Jiaotong University, 2020, 54(5): 451-464.

Impact of Vane Friction Coefficient on Cam-Rotor Motor’s Torque Performance

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References ［13］

Related Articles 8

Recommended Articles

Metrics

Comments