NDLI: Research on the key technologies of CNC noncircular camshaft grinding

Content Provider	IEEE Xplore Digital Library
Author	Guangsheng Chen Xuesong Mei Tianyu Zheng
Copyright Year	2009
Description	Author affiliation: School of Mechanical Engineering, Xi'an Jiaotong University, Shaanxi Province, 710049, China (Guangsheng Chen; Xuesong Mei; Tianyu Zheng)
Abstract	The method of tracing tangent point grinding is a new method for noncircular parts grinding, such as camshaft and crankshaft. This paper presents the key technologies of CNC noncircular camshaft grinding, first, A mathematical model describing the relationship between the displacement of grinding wheel center and the angular displacement of camshaft is established according to the cam lift; second, According to the principle of constant speed of grinding point, the relationship between the angular speed of the camshaft and the moving speed of the grinding carriage is presented. In order to resolve the tracking lag of servo control system due to the abrupt change of the feeding speed of the grinding carriage on condition that the speed of grinding point is constant, a novel strategy that part motion parameter optimization is discussed. The result of experiment demonstrates that the mathematical model is correct and the optimization strategy is effective. Implementation of the strategy to the velocity planning of camshaft grinding is able to reduce the maximum machined cam profile errors from 35 micron to 15 micron.
Starting Page	4528
Ending Page	4533
File Size	3145594
Page Count	6
File Format	PDF
ISBN	9781424426928
DOI	10.1109/ICMA.2009.5244827
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer numerical control Camshafts Time measurement State estimation Satellite navigation systems Delay effects Base stations Marine vehicles Sea measurements Aircraft navigation velocity planning numerical control systems camshaft noncircular grinding mathematical model
Content Type	Text
Resource Type	Article

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