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题名: Frequency domain error analysis in ultra-precision flycutting
作者: Chen GD(陈国达); Liang YC(梁迎春); Wang, Heran; Sun YZ(孙雅洲); Chen JX(陈家轩)
作者部门: 机器人学研究室
会议录: Key Engineering Materials
会议录出版者: Trans Tech Publications Ltd
会议录出版地: Zurich-Durnten, Switzerland
出版日期: 2014
页码: 96-103
收录类别: EI
ISSN号: 1013-9826
ISBN号: 9783038351856
关键词: Error analysis ; Machine components ; Surface roughness
摘要: In some special fields such as precision optics, the part surface has strict requirements on the frequency domain errors, besides the conventional spatial domain errors such as surface roughness error. In light of the available works lacking of the frequency domain error analysis in ultra-precision flycutting, this paper therefore presents its frequency domain error analysis. A case study of KDP crystal flycutting is carried out to show its detailed processes, where the processing parameters, tool geometry, motion dynamic error of the machine guideway and tool-work vibration induced dynamic error are considered. A surface profile generation method is put forward. Two cases with different tool-work vibration frequencies are carried out. The spatial frequency spectrum is obtained based on the FFT analysis of the generated profile in the specified direction. After the in-depth analysis, the inherent correlation of the generated spatial frequency components with feed spatial frequency and machine dynamic errors induced spatial frequency under certain machining conditions are found, which is very meaningful for the frequency domain error prediction in the real application. The proposed analysis method can also be applied into other types of surface machining.
语种: 英语
产权排序: 2
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/16859
Appears in Collections:机器人学研究室_会议论文

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文件名: Frequency Domain Error Analysis in Ultra-Precision Flycutting.pdf
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