NDLI: Blending Adjacent Section-Contours in 3D Model Using Rotary Ray with Inner Center

Content Provider	IEEE Xplore Digital Library
Author	Wang Weichen Zhu Zhencai
Copyright Year	2010
Abstract	To decrease the influence of the staircase effect to the shape and dimension precision of rapid prototyping part, a method of blending the adjacent section-contours in CAD model using rotary rays is explored in this paper. The current and the next section in CAD model were projected onto a horizontal plane, and the outer and the inner boundary were obtained by computing the sections’ union and intersection, and then the adjacent contours were blended by using rotary rays through proper inner point in the intersection to achieve the current layer’s scanning contour. Test shows that the method can realize the layer’s cusp distribution of the positive tolerance, the negative tolerance and the mixed tolerance, meeting the cusp tolerance distribution requirements of the parts applied in different situations, and expanding the cusp distribution connotation in rapid prototyping.
Starting Page	332
Ending Page	335
File Size	185829
Page Count	4
File Format	PDF
ISBN	9780769542867
DOI	10.1109/ICDMA.2010.81
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solid modeling Design automation Shape Computational modeling Rotary ray with inner center Layered manufacturing Blending contours Rapid prototyping Containment relationship Three dimensional displays Spline
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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