Preliminary evaluation of the applicability of F, V and AEsignals in diagnosis of ADI machining process

• Autorzy: Myszka D. , Bombiński S.

Identyfikatory

DOI

10.2478/afe-2014-0021

• Języki publikacji: EN

Abstrakty

EN

In this study, a preliminary evaluation was made of the applicability of the signals of the cutting forces, vibration and acoustic emission in diagnosis of the hardness and microstructure of ausferritic ductile iron and tool edge wear rate during its machining. Tests were performed on pearlitic-ferritic ductile iron and on three types of ausferritic ductile iron obtained by austempering at 400, 370 and 320°C for 180 minutes. Signals of the cutting forces (F), vibration (V) and acoustic emission (AE) were registered while milling each type of the cast iron with a milling cutter at different degrees of wear. Based on individual signals from all the sensors, numerous measures were determined such as e.g. the average or maximum signal value. It was found that different measures from all the sensors tested depended on the microstructure and hardness of the examined material, and on the tool condition. Knowing hardness of the material and the cutting tool edge condition, it is possible to determine the structure of the material .Simultaneous diagnosis of microstructure, hardness, and the tool condition is probably feasible, but it would require the application of a diagnostic strategy based on the integration of numerous measures, e.g. using neural networks.

Słowa kluczowe

EN

austempered ductile iron; machining; diagnosis; ADI machining process

PL

żeliwo sferoidalne; obróbka; diagnostyka; obróbka ADI

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2014
• Tom: Vol. 14, iss. 1
• Strony: 91--96
• Opis fizyczny: Bibliogr. 10 poz., rys., tab., wykr.

Twórcy

autor

Myszka D.

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

autor

Bombiński S.

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

Bibliografia

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• [2] Cemal Cakir, M. & Isik, Y. (2008). Investigating the machinability of austempered ductile irons having different austempering temperatures and times. Materials and Design. 29, 937-942.
• [3] Aslantas, K. & Ucun, I. (2009). The performance of ceramic and cermet cutting tools for the machining of austempered ductile iron. Int J Adv Manuf Technol. 41. 642-650.
• [4] Katuku, K., Koursaris, A. & Sigalas, I. (2009). Wear, cutting forces and chip characteristics when dry turning ASTM Grade 2 austempered ductile iron with PcBN cutting tools under finishing conditions. Journal of Materials Processing Technology. 209, 2412-2420.
• [5] www.ductile.org
• [6] Patent No. PN-EN 1564, „Founding – Austempered Ductile Cast Iron”, 2000.
• [7] Avishana, B., Yazdania, S. & Jalali Vahid, D. (2009). The influence of depth of cut on the machinability of an alloyed austempered ductile iron. Materials Science and Engineering. 523(A), 93-98.
• [8] Zanardi, F. (2005). Fatigue properties and machinability of ADI. La Metallurgia Italiana. 5, 27-32.
• [9] Myszka, D. (2007). Austenite-Martensite Transformation in Austempered Ductile Iron. Archives of Metallurgy and Materials. 52, 475-480.
• [10] Garin, J. L. & Mannheim, R. L.(2003). Strain-induced Martensite in ADI Alloys. Journal of Materials Processing Technology. 143-144, 347-351.