Estimation of Machine Tool Accuracy Based on Monte Carlo Simulation Using Movement Axes Geometric Errors Model

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F23%3A00369418" target="_blank" >RIV/68407700:21220/23:00369418 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.17973/MMSJ.2023_11_2023115" target="_blank" >https://doi.org/10.17973/MMSJ.2023_11_2023115</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.17973/MMSJ.2023_11_2023115" target="_blank" >10.17973/MMSJ.2023_11_2023115</a>

Result language
angličtina
Original language name
Estimation of Machine Tool Accuracy Based on Monte Carlo Simulation Using Movement Axes Geometric Errors Model
Original language description
Accuracy is one of the most important feature of a machine tool. Being able to estimate the overall accuracy of a machine tool represented by the total volumetric error can be a huge advantage in the design process. This paper provides overview of methods used for geometric error transfer modeling and volumetric error modeling. An error transfer rigid body model is derived and after that, a random linear guideway straightness error profile generator is proposed. This allows to simulate a movement axis with random straightness errors of rails and computed geometric errors of an assembled axis. Volumetric error of a 3-axis machine tool is then modeled using its kinematic scheme and homogenous transformation matrices with 21 kinematic errors. Using simulated axes as input to the volumetric model, an entire machine tool can be simulated. From that, the total volumetric error can be obtained and a Monte Carlo simulation carried out. This allows to analyze statistics of the total volumetric error and with slight input changes (rail straightness tolerance), a sensitivity analysis can be performed to determine the most influential errors in the machine tool.
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
—
OECD FORD branch
20301 - Mechanical engineering

Project
<a href="/en/project/EF16_026%2F0008404" target="_blank" >EF16_026/0008404: Machine Tools and Precision Engineering</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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