Accuracy enhancement by thermal error minimisation of a turning-milling centre in regard to its multi-functionality

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F19%3A00340204" target="_blank" >RIV/68407700:21220/19:00340204 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Accuracy enhancement by thermal error minimisation of a turning-milling centre in regard to its multi-functionality

Original language description

Achieving high workpiece accuracy is a long-term goal of machine tool designers. There are many causes of workpiece inaccuracy, with thermal errors being the most dominant. Indirect compensation (using predictive models) is a promising strategy to reduce thermal errors without increasing machine tool costs. A modelling approach using thermal transfer functions (a dynamic method with a physical basis) has the potential to deal with the issue. The method does not require any intervention into the machine tool structure, uses a minimum of additional gauges and its modelling and calculation speed are suitable for real-time applications with results of up to 80% thermal error reduction. Advanced compensation models for machine tool thermal errors were successfully applied on various kinds of single-purpose machines (milling, turning, floor-type, etc.) and implemented directly into their control systems. The aim of this research is to reflect modern trends in machine tool usage. Therefore, the research is focused on the applicability of the modelling approach to describe the multi-functionality of a turning-milling centre. The turning-milling centre is adequately capable of handling turning, milling and boring operations. Calibration of a reliable compensation model is a real challenge. Options for reducing modelling and calibration time as well as an approach to include machine tool multi-functionality into the model structure are discussed in more detail. 2019 European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019. All rights reserved.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

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OECD FORD branch

20302 - Applied mechanics

Project

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Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2019

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Proceedings of the 19th international conference of the european society for precision engineering and nanotechnology

ISBN

978-0-9957751-4-5

ISSN

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e-ISSN

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Number of pages

4

Pages from-to

580-583

Publisher name

euspen

Place of publication

Cranfield, Bedfordshire

Event location

Bilbao

Event date

Jun 3, 2019

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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