ROLLING FRICTION TORQUE IN MICROSYSTEMS FOR DRY AND LUBRICATED CONDITIONS

被引：0

作者：

Dumitrascu, Alima ^{[1
]}

Stamate, Ciprian ^{[1
]}

Olaru, Dumitru ^{[1
]}

机构：

[1] Tech Univ Gheorghe Asachi Iasi Romania, Fac Mech Engn, Dept Machine Elements & Mechatron, Iasi, Romania

来源：

MODTECH 2011: NEW FACE OF T.M.C.R., VOL I AND II | 2011年

关键词：

Rolling friction; microtribometer; dynamic model; microballs; friction torque;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The authors developed a dynamic model for an inertial rotating disc sustained by three microballs and determined analytically relations for rolling friction torque in the contacts between steel microballs and races by using two hypothesis: (i) rolling friction torques not depending on the speed for dry conditions and (ii) rolling friction torque having a linear dependence with the speed for lubricated contacts. Using an original microtribometer was verified the two hypothesis and was determined the rolling friction torque for very low normal loads. The values between 1.9 mu Nmm to 7.4 mu Nmm have been obtained for the rolling friction torque when the normal load and rotational speed have variations between 8.68 mN to 33.2 mN and 30 rpm to 210 rpm, respectively. In lubricated contacts important increasing of the rolling friction torques with values between 8 mu Nmm to 1150 mu Nmm was obtained, depending on rotational speed.

引用

页码：373 / 376

页数：4

共 50 条

[21] Fluid Flow Analysis for Friction Torque around Rolling Element in Ball Bearings [J].

Kim, Choong Hyun ;

Jo, Jun Hyeon .

JOURNAL OF FRICTION AND WEAR, 2017, 38 (06) :424-429

[22] Rolling friction torque generated by time delay during stress wave transmission [J].

Sasaki, Shosuke ;

Namba, Yohe ;

Iwanari, Tadao ;

Kitano, Yasuyuki .

TRIBOLOGY INTERNATIONAL, 2023, 186

[23] Dynamic Prediction of Rolling Bearing Friction Torque Using Lyapunov Exponent Method [J].

Xia, Xintao ;

Lv, Taomei .

FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE, PTS 1-4, 2011, 44-47 :1120-+

[24] Dynamic Prediction of Friction Torque Reliability of Super-Precision Rolling Bearings [J].

Chen, Xiangfeng ;

Xia, Xintao .

2020 PROGNOSTICS AND SYSTEM HEALTH MANAGEMENT CONFERENCE (PHM-BESANCON 2020), 2020, :345-348

[25] Fluid Flow Analysis for Friction Torque around Rolling Element in Ball Bearings [J].

Choong Hyun Kim ;

Jun Hyeon Jo .

Journal of Friction and Wear, 2017, 38 :424-429

[26] Simulating the Rolling of a Rotor Over a Stator with Dry Friction Whip and Whirl [J].

Nikiforov, A.N. .

Journal of Friction and Wear, 2025, 46 (01) :61-68

[27] Effect of the Rolling Friction on the Heap Formation of Dry and Wet Coarse Discs [J].

Ndiaye, Becaye Cissokho ;

Gao, Zhengguo ;

Fall, Massamba ;

Zhang, Yajun .

APPLIED SCIENCES-BASEL, 2021, 11 (13)

[28] Prediction of the friction torque in grease lubricated angular contact ball bearings using grey system theory [J].

Wang, Baomin ;

Gao, Chao ;

Wu, Zaixin ;

Liu, Hongqin .

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, 2016, 30 (05) :2195-2201

[29] Prediction of the friction torque in grease lubricated angular contact ball bearings using grey system theory [J].

Baomin Wang ;

Chao Gao ;

Zaixin Wu ;

Hongqin Liu .

Journal of Mechanical Science and Technology, 2016, 30 :2195-2201

[30] Grey Relation between Nonlinear Characteristic and Dynamic Uncertainty of Rolling Bearing Friction Torque [J].

XIA Xintao and WANG Zhongyu College of Mechatronical Engineering Henan University of Science and Technology Luoyang China College of Instrumental Science and Optoelectronics Engineering Beijing University of Aeronautics and Astronautics Beijing China .

Chinese Journal of Mechanical Engineering, 2009, 22 (02) :244-249

← 1 2 3 4 5 →