NDLI: Simulation of a Finishing Operation: Milling of a Turbine Blade and Influence of Damping

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Lorong, Philippe Coffignal, Gerard Balmes, Etienne Guskov, Mikhail Texier, Anthony
Copyright Year	2012
Abstract	Milling is used to create very complex geometries and thin parts, such as turbine blades. Irreversible geometric defects may appear during finishing operations when a high surface quality is expected. Relative vibrations between the tool and the workpiece must be as small as possible, while tool/workpiece interactions can be highly non-linear. A general virtual machining approach is presented and illustrated. It takes into account the relative motion and vibrations of the tool and the workpiece. Both deformations of the tool and the workpiece are taken into account. This allows predictive simulations in the time domain. As an example the effect of damping on the behavior during machining of one of the 56 blades of a turbine disk is analysed in order to illustrate the approach potential.
Sponsorship	International
Starting Page	89
Ending Page	98
Page Count	10
File Format	PDF
ISBN	9780791844878
DOI	10.1115/ESDA2012-82534
Volume Number	Volume 4: Advanced Manufacturing Processes; Biomedical Engineering; Multiscale Mechanics of Biological Tissues; Sciences, Engineering and Education; Multiphysics; Emerging Technologies for Inspection and Reverse Engineering; Advanced Materials and Tribology
Conference Proceedings	ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2012-07-02
Publisher Place	Nantes, France
Access Restriction	Subscribed
Subject Keyword	Damping Turbine blades Vibration Deformation Simulation Blades Milling Machining Disks Surface quality Finishing Turbines
Content Type	Text
Resource Type	Article

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