Shape Accuracy of Iron Precision Castings in Terms of Ceramic Moulds Physical Properties Anisotropy

• Autorzy: Biernacki R. , Haratym R. , Tomasik J. , Kwapisz J.

Identyfikatory

DOI

10.2478/afe-2014-0001

• Języki publikacji: EN

Abstrakty

EN

While analyzing shape accuracy of ferroalloy precision castings in terms of ceramic moulds physical anisotropy, low-alloy steel castings ("cover") and cast iron ("plate") were included. The basic parameters in addition to the product linear shape accuracy are flatness deviations, especially due to the expanded flat surface which is cast plate. For mentioned castings surface micro-geometry analysis was also carried, favoring surface load capacity tp50 for R_max = 50%. Surface load capacity tp50 obtained for the cast cover was compared with machined product, and casting plate surface was compared with wear part of the conveyor belt. The results were referred to anisotropy of ceramic moulds physical properties, which was evaluated by studying ceramic moulds samples in computer tomography equipment Metrotom 800.

Słowa kluczowe

EN

ceramic moulds; precision castings; anisotropy

PL

formy ceramiczne; odlewy precyzyjne; anizotropia

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2014
• Tom: Vol. 14, iss. 1
• Strony: 5--8
• Opis fizyczny: Bibliogr. 6 poz., rys., tab.

Twórcy

autor

Biernacki R.

• Warsaw University of Technology, Institute of Manufacturing Technologies, Narbutta 85, 02-524 Warsaw, Poland

autor

Haratym R.

• University of Ecology and Management, Wawelska 14, 02-061 Warsaw, Poland

autor

Tomasik J.

• Institute of Metrology and Biomedical Engineering, Warsaw University of Technology, A. Boboli, 02-525 Warsaw, Poland

autor

Kwapisz J.

• Instituto Superior Tecnico, MIT Portugal, Av. Rovisco Pais, 1, 1049-001 Lisboa, Portugal

Bibliografia

• [1] Piwonka, T. S., Wiest, J. M. (1998). Factors Investment Casting Pattern Die Dimensions. Incast.
• [2] Cileček, J. (1998). Production of copper alloys precision casting. Foundries Overview. 5.
• [3] Haratym, R. (2005). Anisotropy of properties of ceramic molds in aspect of accuracy of castings made in the counterpressure process. Archives of Foundry Engineering. 5(15).
• [4] Haratym, R., Lewiński, J., Biernacki, R. & Kowaluk, T. (2012). Anisotropy of ceramic moulds physical properties which affect environmentally friendly production of precision aluminum castings. Archives of Foundry Engineering. 12, 53-56.
• [5] Haratym, R., Senkara, J. & Sankowski, J. (2001). The impact of liquid aluminum alloys on ceramic moulds surface made with silicate binders. Archives of Mechanical Technology and Automation. 21, 65-70.
• [6] Arendarski, J. (2003). Measurement uncertainty. Warsaw: WUOT Printing House.