期刊
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
卷 234, 期 16, 页码 3318-3331出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954406220914341
关键词
Stiffness of the linear rolling guideway joint; ball-raceway joint surface; linear rolling guideway; static characteristic
资金
- National Natural Science Foundation of China [51375379]
- National High Technology Research and Development Program of China [863 Program] [2012AA040701]
Linear rolling guideways have been widely used in machine tools. The overall performance of machine tools is directly influenced by the linear rolling guideway characteristics. In this study, a contact model for a single ball-raceway joint surface is established based on the fundamental characteristic parameters of the joint surface, which are obtained experimentally. Based on this model, a novel full-load analysis model of the linear rolling guideway joint is proposed, and six linear rolling guideway-joint stiffness types, namely the tangential, normal compressive, and normal tensile stiffnesses and the pitch, yaw, and roll angular stiffnesses, are obtained. Testing devices are developed for the six stiffness types. The stiffnesses of the medium preloaded HJG-DA35AA, HJG-DA45AA, and HJG-DA55AA linear rolling guideways are achieved using the developed testing devices, and the results obtained from the full-load analysis model are approximately consistent with the experimental results.
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