期刊
JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME
卷 137, 期 2, 页码 -出版社
ASME
DOI: 10.1115/1.4029641
关键词
linear-guideway; roller bearing; carriage drift; roller skew; antiskewing brace; multibody analysis
This study deals with carriage drift (which is the differences of the carriage displacements or angular displacements at a certain position on a rail during a forward and return process) in linear-guideway type roller bearings. First, the displacements and angular displacements of the carriage of the nonrecirculating linear roller and ball bearings under a reciprocating operation were measured. The experimental results showed that carriage drift (in the horizontal, vertical, yaw, and pitch directions) occurred in the roller bearing and not in the ball bearing. Next, in relationship to roller skew, the generating mechanism of carriage drift in roller bearings was examined by a multibody analysis (MBA), then the generating mechanism of carriage drift was explained. Finally, to reduce carriage drift by restricting the roller skew, an antiskewing brace (ASB) was developed.
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