Journal ArticleDOI
Machining of curved geometries with constant engagement tool paths
K.A. Desai,P. V. M. Rao +1 more
- Vol. 230, Iss: 1, pp 53-65
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In this article, the authors describe an end milling of the curved surfaces is characterized by significant amount of engagement variation along the tool path which results in deflection-induced surface error on the machined components.Abstract:
End milling of the curved surfaces is characterized by significant amount of engagement variation along the tool path which results in deflection-induced surface error on the machined components. F...read more
Citations
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Journal ArticleDOI
The fast constant engagement offsetting method for generating milling tool paths
TL;DR: A new non-equidistant offsetting method is presented for ensuring a constant cutter engagement angle based on simple geometrical equations and allows for its widespread use just like pixel-based methods.
Book ChapterDOI
Ultra-precision Diamond Turning Process
TL;DR: This chapter covers the various stages of the ultra-precision diamond turning process especially considering the practical aspects, and provides the understanding of, importance and effects of each stage of ultra- precision machining including metrology.
Journal ArticleDOI
Effect of Tool Path Complexity on Top Burrs in Micromilling
TL;DR: In this article, a detailed experimental analysis of burr formation in micro milling considering the effect of curvature in the tool path has been performed, and the results show that the top burrs increase with the curvature of the path.
Journal ArticleDOI
A hybrid fabrication approach and profile error compensation for silicon aspheric optics
TL;DR: Aspheric optics are widely used for many optical applications due to their advantages, that is, light weight, cost-effectiveness and efficiency as mentioned in this paper. But there are many fabrication challenges which affect th...
Journal ArticleDOI
Effect of Workpiece Curvature on Axial Surface Error Profile in Flat End-Milling of Thin-walled Components
Ankit Agarwal,K.A. Desai +1 more
TL;DR: In this article, the authors presented a comparison of deflection induced surface error profile generated during the end milling of zero and constant curvature thin-walled components, incorporating computational model to estimate cutting forces, Finite Element Analysis (FEA) model to compute workpiece deflections, and surface generation mechanism to derive error profile.
References
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Journal ArticleDOI
Review: Recent development in CNC machining of freeform surfaces: A state-of-the-art review
Ali Lasemi,Deyi Xue,Peihua Gu +2 more
TL;DR: A state-of-the-art review on recent research development in CNC machining of freeform surfaces focuses on three aspects in freeform surface machining: tool path generation, tool orientation identification, and tool geometry selection.
Journal ArticleDOI
Machining efficiency comparison direction-parallel tool path with contour-parallel tool path
Bo Hyoung Kim,Byoung K. Choi +1 more
TL;DR: A machining time model that considers the acceleration and deceleration of the CNC machines is proposed and it is revealed that the smooth-zig-zag path is the most efficient regardless of feed-rates and path intervals and that the effects of acceleration andDeceleration are notably revealed at higher feed- rates.
Journal ArticleDOI
A corner-looping based tool path for pocket milling
H.S. Choy,K.W. Chan +1 more
TL;DR: An improved NC tool path pattern for pocket milling by using the corner-looping based tool path, which can be controlled by adjusting the number of appended tool path loops.
Journal ArticleDOI
Integrated error compensation method using OMM system for profile milling operation
TL;DR: In this paper, a methodology of machined surface error compensation based on an inspection database by using an on-machine measurement system in profile milling is presented, which makes compensation for the geometric errors of the machining center by using a closed-loop configuration for improving machining and inspection accuracy.
Journal ArticleDOI
Active integration of tool deflection effects in end milling. Part 2. Compensation of tool deflection
TL;DR: In this paper, the authors present a compensation method in milling machining in order to take into account tool deflection during tool-path generation, without degrading the production performance and the machined accuracy.