Analysis of Thermal Volumetric Effect on Machine Structure Using FEA Model
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F25%3A00386690" target="_blank" >RIV/68407700:21220/25:00386690 - isvavai.cz</a>
Result on the web
<a href="https://www.euspen.eu/precision-performance-2025-programme/" target="_blank" >https://www.euspen.eu/precision-performance-2025-programme/</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Analysis of Thermal Volumetric Effect on Machine Structure Using FEA Model
Original language description
Thermally induced errors are the dominant source of machine tool (MT) inaccuracies and are often the most difficult types of errors to reduce. Software compensation of thermally induced displacements at the tool centre point (TCP) is a widely used technique to reduce these errors. An extensive set of measured data is necessary for calibration of these compensation models. For a compensation model valid across the entire workspace of a horizontal milling centre, many measurement points are typically needed, making experimental analysis costly and time-consuming. This paper presents an analysis of the thermal behaviour of a horizontal milling center using the finite element analysis (FEA) model without experiments at different positions of the Y and Z machine axes. The most significant thermal behaviour is observed when the Y-axis position is changed. Based on the simulation results, critical measurement points were identified to guide subsequent experiments and support the development of a compensation model. The proposed method reduces the number of necessary experiments, thereby shortening the time required for the experimental analysis of the thermal behaviour and lowering costs. In addition, the paper discusses alternative descriptions of spindle bearings as one of the main heat sources in the FEA model.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20301 - Mechanical engineering
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Precision and Performance 2025
ISBN
978-0-9957751-6-9
ISSN
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e-ISSN
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Number of pages
4
Pages from-to
53-56
Publisher name
euspen
Place of publication
Cranfield, Bedfordshire
Event location
Cranfield University
Event date
Nov 18, 2025
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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