Autor: Zaborski, D. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Effect of process parameters on the condition of the wire electrode in WEDM of Ti6Al4V
Autorzy:: Zaborski, S.
Poroś, D.
Powiązania:: https://bibliotekanauki.pl/articles/1429400.pdf
Data publikacji:: 2008
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: titanium alloys
wire electrode
artificial neural networks
WEDM
Opis:: Conventional machining of titanium alloy Ti6Al4V cause high temperature and rapid wear of tool which makes him hardly suitable for machining by machine cutting. The presented experimental study was carried out on a modern wire EDM Sodick AQ327L. Three types of the wire were used. Investigated were the effects of such input parameters as the pulse width and the time between two pulses on the output parameters such as area cutting efficiency, workpiece surface roughness and wear rate of the electrode. The resulting relationships were determined using the conventional regression analysis and neural networks. The results were checked for goodness of fit.
Źródło:: Journal of Machine Engineering; 2008, 8, 2; 52-64
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Analysis of the wire electrical discharge machinability of roots of steam turbine blades
Autorzy:: Poroś, D.
Zaborski, S.
Powiązania:: https://bibliotekanauki.pl/articles/99583.pdf
Data publikacji:: 2010
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: turbine blades
heat treatment
WEDM
Opis:: This paper presents method for the unconventional machining of the blades of steam turbines. Blade material as steel X12Cr13 was chosen into the investigation. Blade failures in gas turbine engines often lead to loss of all downstream stages and can have a dramatic effect on the availability of the turbine engines.. Conventional machining of the roots of steam turbine blades causes high temperature and rapid wear of tool which makes machining expensive WEDM is currently regarded among the most popular non-conventional machining. WEDM allows treatment of hard, brittle materials and composite, irrespective of their structure (thin-wall components) and mechanical properties. Submitted work is an analysis of potential impact on the received thickness of heat affected zone by appropriate heat treatment of material prior to WEDM. Such action is intended to eliminate or reduce the initiating impact of any microcracks on the formation of surface defects on the turbine blades roots during operation. The aim of the article is to replace the traditional methods of machining the blades roots by WEDM and thus the elimination of problems such as the need to monitor the tool wear. The presented experimental study was carried out on a modern wire EDM Sodick AQ327L. Investigated were the effects of WEDM of X12Cr13 steel as the Heat Affected Zone, the micro-fractures and surface roughness parameters.
Źródło:: Journal of Machine Engineering; 2010, 10, 1; 70-77
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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