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By Florin CHIFAN, Cătălin Gabriel DUMITRAȘ, Gheorghe PLEȘU and Bogdan ANITA


This paper describes an approach on tool paths optimization in CAM-type software for milling free forms, with the goal to improve efficiency in processing using CNC machine tools. The methodology proposed in this paper, tackles the problem of mechanical processing in 3 axes using ball nose milling cutters of small diameters, which follows a free form profile. I will consider two cases: the first one considers the ball nose end mill route on a free form with an angle of less than 30°, the second one with a tool path greater than 30°. The main objective of this paper is to determine the optimum angle in order to obtain a better surface roughness, a shorter time of processing and also a higher tool-life, all these by considering all other factors that occurs in the manufacturing process. This will be done by indicating and editing the tool path so that the tools will the minimum entries and exits on the surface of the piece. This will lead to a 10% decrease of the working time

Topics: CAM, tool path, free form, optimization, Engineering (General). Civil engineering (General), TA1-2040
Publisher: Editura Academiei Oamenilor de Știință din România
Year: 2014
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