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	EQUIVALENT NORMAL CURVATURE APPROACH MILLING MODEL OF MACHINING FREEFORM SURFACES
	Yi Xianzhong ; Ma Weiguo ; Qi Haiying ; Yan Zesheng ; Gao Deli
	2010-10-12 ; 2010-10-12
关键词	Equivalent normal curvature milling model Whirlwind milling method Freeform surfaces 5-axis CNC machine Differential geometry TOOL-PATH GENERATION 5-AXIS 3-AXIS Engineering, Mechanical
中文摘要	A new milling methodology with the equivalent normal curvature milling model machining freeform surfaces is proposed based on the normal curvature theorems on differential geometry. Moreover, a specialized whirlwind milling tool and a 5-axis CNC horizontal milling machine are introduced. This new milling model can efficiently enlarge the material removal volume at the tip of the whirlwind milling tool and improve the producing capacity. The machining strategy of this model is to regulate the orientation of the whirlwind milling tool relatively to the principal directions of the workpiece surface at the point of contact, so as to create a full match with collision avoidance between the workpiece surface and the symmetric rotational surface of the milling tool. The practical results show that this new milling model is an effective method in machining complex three-dimensional surfaces. This model has a good improvement on finishing machining time and scallop height in machining the freeform surfaces over other milling processes. Some actual examples for manufacturing the freeform surfaces with this new model are given.
语种	英语 ; 英语
出版者	EDITORIAL OFFICE CHINESE JOURNAL MECHANICAL ENGINEERING ; BEIJING ; 22 BAIWANZHUANG DAJIE, BEIJING, 100037, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79908]
专题	清华大学
推荐引用方式 GB/T 7714	Yi Xianzhong,Ma Weiguo,Qi Haiying,et al. EQUIVALENT NORMAL CURVATURE APPROACH MILLING MODEL OF MACHINING FREEFORM SURFACES[J],2010, 2010.
APA	Yi Xianzhong,Ma Weiguo,Qi Haiying,Yan Zesheng,&Gao Deli.(2010).EQUIVALENT NORMAL CURVATURE APPROACH MILLING MODEL OF MACHINING FREEFORM SURFACES..
MLA	Yi Xianzhong,et al."EQUIVALENT NORMAL CURVATURE APPROACH MILLING MODEL OF MACHINING FREEFORM SURFACES".(2010).

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