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Title: Study of the tool path generation on an automotive headlamp reflector in ultra-precision raster milling
Authors: To, S 
Wang, H
Li, B
Cheung, CF 
Wang, SJ
Keywords: Automotive Headlamp Reflector
Gouge-Free Tool Path
Ultra-Precision Raster Milling
Issue Date: 2006
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, 2006, v. 532-533, p. 673-676 How to cite?
Journal: Materials science forum 
Abstract: Nowadays faceted reflector design has become popular in automotive illumination systems. The advantage of a compound surface enables it to achieve the required hot spot intensity by directing more than 60% of the generated light towards the road, thereby largely illuminate the area through the aperture. The research is oriented to fabricating the mold insert on ultra-precision raster milling (Freeform 705G). In this paper, the tool path generation method for automotive headlamp reflectors is studied, and a practical gouging detection and avoidance algorithm is proposed. The surface roughness and form accuracy (peak-to-valley height) are then calculated theoretically using mathematical formulae. Through the tool path generation of a small but representative surface patch with a gap, a possible way is finally found to generate the tool path for such a class of freeform surface with special equipment.
Description: The 12th International Manufacturing Conference in China, September 21-23, 2006, Xi'an, China
ISBN: 978-0-87849-421-7 (print)
978-3-908453-51-2 (CD)
978-0-87849-421-7 (CD+print)
978-3-03813-051-2 (eBook)
978-0-87849-421-7 (eBook+Print)
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/
Appears in Collections:Conference Paper

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