Investigations of surface textures produced by oblique machining of different workpiece materials

• Autorzy: Grzesik W. , Żak K.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The intention of this research is to test the applicability of oblique cutting tools for improving surface textures produced in turning operations on parts made of popular steels (carbon, low- and high-alloy) with different chemical compositions and microstructures as well as P-F ductile iron. The aim of the research is to quantify the surface roughness and lays produced under practical working conditions. Design/methodology/approach: The objectives were achieved by the characterization of machined surfaces using 2D and 3D scanning techniques and typical LOM examinations. The surface profile and surface topographies were characterized and compared for optimal machining conditions. Findings: This investigation confirms that oblique machining allows producing surfaces with lower surface roughness and, in some cases, with attractive service properties. The main conclusion is that oblique cutting operations can reduce machining times and partly eliminate grinding operations, especially in the machining of hardened materials. Research limitations/implications: The basic limitations concern the measurement of residual stresses and microstructural alterations. Another important problem is to optimize the surface integrity including surface roughness and sublayer properties. Practical implications: One practical outcome is selecting the machining conditions which guarantee the demanded surface finish together with bearing properties. In particular, surfaces with characteristic plateau can be produced instead of special abrasive finishing operations. Originality/value: Original value of the paper is the presentation of new cutting tools and their effects in turning operations. Experiments were performed under the conditions combining low surface roughness with attractive service properties. This knowledge can support the design of technological processes of steel and NDI parts.

Słowa kluczowe

EN

oblique turning; steel; spheroidal iron; surface roughness

PL

toczenie skośne; stal; żeliwo sferoidalne; chropowatość powierzchni

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2011
• Tom: Vol. 52, nr 1
• Strony: 46--53
• Opis fizyczny: Bibliogr. 9 poz.

Twórcy

autor

Grzesik W.

autor

Żak K.

• Department of Manufacturing Engineering and Production Automation, Opole University of Technology, P.O. Box 321, 45-271 Opole, Poland,

Bibliografia

• [1] G.P. Zou, I. Yellowley, R.J. Seethaler, A new approach to the modeling of oblique cutting process, International Journal of Machine Tools and Manufacture 49 (2009) 701-707.
• [2] A.H. Adibi-Sedeh, V. Madhavan, B. Bahr, Upper bound analysis of oblique cutting with nose radius tools, International Journal of Machine Tools and Manufacture 42 (2002) 1081-1094.
• [3] W. Grzesik, Stereometric and kinematic problems occurring during cutting with single-edged tools, International Journal of Machine Tools and Manufacture 26 (1986) 443-457.
• [4] W. Grzesik, Advanced machining processes of metallic materials, Elsevier, Amsterdam, 2008.
• [5] B. Griffiths, Manufacturing surface technology, Penton Press, London, 2001.
• [6] W. Grzesik, T. Wanat, Comparative assessment of surface roughness produced by hard machining with mixed ceramic tools including 2D and 3D analysis, Journal of Materials Processing Technology 169 (2005) 364-371
• [7] W. Grzesik, T. Wanat, Surface finish generated in hard turning of quenched alloy steel parts using conventional and wiper ceramic inserts, International Journal of Machine Tools and Manufacture 46/15 (2006) 1988-1995.
• [8] W. Grzesik, J. Rech, T. Wanat, Surface finish on hardened bearing steel parts produced by superhard and abrasive tools, International Journal of Machine Tools and Manufacture 47 (2007) 255-262.
• [9] W. Grzesik, J. Rech, T. Wanat, Surface integrity of hardened steel parts in hybrid machining operations, Journal of Achievements in Materials and Manufacturing Engineering 18 (2006) 367-370.