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Uncertainty of the electrode wear on-machine measurements in micro EDM milling
ID Valentinčič, Joško (Author), ID Bissacco, Giuliano (Author), ID Tristo, Gianluca (Author)

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Abstract
On-machine measurements play an important role in micro EDM milling. The measured tool electrode wear and the wear compensation have a strong influence on machining accuracy since the wear compensation methods require periodic measurements of the wear. The measurement uncertainties of the linear and volumetric wear measurements by the Touch and the Laser method were examined and results are presented in this paper. It was found that the linear wear measurements can be effectively performed by the Touch method when larger tool electrode diameters are used and sufficient machining is performed between the two control intervals, whereas the volumetric wear should be measured by the Laser method. To effectively compensate the tool electrode wear when tool electrodes with smaller diameters are used or low linear tool wear occurs between the two control intervals, the Laser method should be applied.

Language:English
Keywords:micro EDM milling, wear compensation, on-machine measurement (OMM), uncertainty
Work type:Article (dk_c)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2021
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:Str. 153-160
Numbering:Vol. 64
UDC:531.7:621.3.03(045)
ISSN on article:1526-6125
DOI:10.1016/j.jmapro.2021.01.021 This link opens in a new window
COBISS.SI-ID:49498115 This link opens in a new window
Publication date in RUL:18.05.2021
Views:245
Downloads:100
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Record is a part of a journal

Title:Journal of manufacturing processes
Shortened title:J. manuf. process.
Publisher:Elsevier Ltd., Society of Manufacturing Engineers
ISSN:1526-6125
COBISS.SI-ID:1281557 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:01.04.2021

Secondary language

Language:Slovenian
Title:Negotovost meritev obrabe elektrode na stroju za mikro elektroerozijsko dolbenje
Abstract:
Meritve na stroju igrajo pomembno vlogo pri mikro elektroerozijskem dolbenju. Izmerjena obraba elektrode in posledično kompenzacija obrabe močno vplivata na natančnost obdelave, saj metode kompenzacije obrabe zahtevajo meritve obrabe na stroju. Preučili smo merilne negotovosti linearne in volumetrične obrabe z dotično in lasersko metodo meritev na stroju. V primeru večjih premerov elektrod in dovoljšnje obdelave med dvema kontrolnima intervaloma je meritve linearne obrabe mogoče učinkovito izvajati z dotično metodo. Za meritve volumetrične obrabe priporočamo lasersko metodo. Lasersko metodo je treba uporabiti tudi v primeru elektrod z manjšimi premeri ali ko je med dvema kontrolnima intervaloma majhna linearna obraba orodja.

Keywords:mikro elektroerozijsko dolbenje, kompenzacija obrabe elektrode, meritve na stroju, merilna negotovost

Document is financed by a project

Funder:EC - European Commission
Funding Programme:H2020
izpis_stevilka_projekta:811040
Name:Chair Of Micro Process Engineering and TEchnology
Acronym:COMPETE

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
izpis_stevilka_projekta:P2-0248
Name:Inovativni izdelovalni sistemi in procesi

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