期刊
TRIBOLOGY INTERNATIONAL
卷 92, 期 -, 页码 472-484出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2015.07.005
关键词
Linear rolling guide; Contact stiffness; Thermal deformation; Wear
资金
- National Natural Science Foundation of China [11172081, 11372086]
- Natural Science Foundation of Guangdong Province of China [2014A030313696]
This study investigates the contact stiffness variation of linear rolling guides due to the effects of friction and wear during operation. The initial and final contact stiffness models were established. As a validation of the predicted varying stiffness, the experimental modal analysis was performed on a specialized linear guide system. The results show that the contact stiffness of linear guides decrease with the increase of running distance, and the entire stiffness decay could be divided into two distinct stages depending on how the thermal and wear effects influence the contact deformations of the balls at different running distances. (C) 2015 Elsevier Ltd. All rights reserved.
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