Methodology for the Efficient Analysis of Thermal and Thermo-Elastic Behaviour of Machine Tools

Abstract:

Thermally induced deviations become the limiting factor for the precision of machine tools. Structure-based finite-element models of high resolution can estimate these deviations with high accuracy but have also a high computational effort. With model order reduction (MOR) these models can be converted into structure-preserving reduced-order finite-element models (FEM-MOR-models) which can be solved very efficiently in MATLAB/Simulink®. To improve model matching selective thermography is used. Selective thermography is a measurement method providing high structural resolution and minimal instrumentation expense due to the use of thermography and photogrammetric methods.

• Periodical: Advanced Materials Research (Volume 1018)
• Pages: 395-402
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1018.395
• Online since: September 2014
• Authors: Knut Großmann, Alexander Galant, Marcel Merx*, Mirko Riedel
• Keywords: Finite Element Method (FEM), Machine Tool, Thermal Error

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