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C-Space based approach for the calculation of toolpaths for freeform surfaces in B-Splin description

Schützer, Klaus and Stroh, Carsten and Schulz, Herbert (2010):
C-Space based approach for the calculation of toolpaths for freeform surfaces in B-Splin description.
In: CIRP Annals - Manufacturing Technology, Elsevier, Manchester, 59/1pp. 421-424, [Article]

Abstract

The usage of B-Spline toolpath for the machining of freeform surfaces offers advantages compared to linear interpolated toolpaths, since the continuous and continuous derivable splines allow the machine tool to move with higher speeds. Common CAM systems can calculate spline interpolated toolpath using triangulations, that discretisise spline data models of the workpieces. This paper presents new methods based on the C-Space approach. Cutter location surfaces in B-Spline description are generated and toolpaths are calculated by projecting guide curves onto these surfaces. All hereby used algorithms utilise the B-Spline description without any discretisation.

Item Type: Article
Erschienen: 2010
Creators: Schützer, Klaus and Stroh, Carsten and Schulz, Herbert
Title: C-Space based approach for the calculation of toolpaths for freeform surfaces in B-Splin description
Language: English
Abstract:

The usage of B-Spline toolpath for the machining of freeform surfaces offers advantages compared to linear interpolated toolpaths, since the continuous and continuous derivable splines allow the machine tool to move with higher speeds. Common CAM systems can calculate spline interpolated toolpath using triangulations, that discretisise spline data models of the workpieces. This paper presents new methods based on the C-Space approach. Cutter location surfaces in B-Spline description are generated and toolpaths are calculated by projecting guide curves onto these surfaces. All hereby used algorithms utilise the B-Spline description without any discretisation.

Journal or Publication Title: CIRP Annals - Manufacturing Technology, Elsevier, Manchester
Volume: 59/1
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institute of Production Technology and Machine Tools (PTW)
Date Deposited: 11 Jun 2010 10:05
Alternative keywords:
Alternative keywordsLanguage
Computer aided manufacturing (CAM), Spline, Toolpath interpolationUNSPECIFIED
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