NDLI: An improved tool path discretization method for five-axis sculptured surface machining

Content Provider	Springer Nature Link
Author	Li, Huiwen Tutunea Fatan, O. Remus Feng, Hsi Yung
Copyright Year	2006
Abstract	In five-axis machining of sculptured surfaces, the cutting tool is unable to continuously trace the intended curved tool path due to limitations of existing controllers for the commercial machine tools. Current industrial practice is thus to discretize the continuous tool path into a finite number of cutter contact (CC) points. An improved method of tool path discretization for five-axis sculptured surface machining is presented in this paper. While the tool posture along a tool path is tuned to ensure maximized material removal rate and to avoid gouging to the machined surface, the forward step lengths, characterized by the consecutive discretized CC points, are determined by maintaining the machined surface error within the specified tolerance. The conventional method employs chordal deviations to estimate the machined surface errors of the interpolated tool movements between consecutive CC points, which have been referred to as the geometry-based errors. It has been found that chordal deviations are not reliable estimations of the geometry-based errors. As such, the geometry-based errors are accurately evaluated in this work and the related algorithms are implemented to the machining of a typical Bezier surface patch. The results showed a reduction of about 30% in the number of discretized tool path segments compared with those of the conventional method.
Starting Page	994
Ending Page	1000
Page Count	7
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	33
Issue Number	9-10
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-04-20
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Five-axis machining Sculptured surfaces Tool path discretization Geometry-based error Chordal deviation Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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