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Machinability study on composite (polyetheretherketone reinforced with 30% glass fibre–PEEK GF 30) using polycrystalline diamond (PCD) and cemented carbide (K20) tools

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Abstract

Polyetheretherketone (PEEK) is a relatively new technical thermoplastic material, which has excellent physical properties. By this reason exits a strong need to understand the issues associated with the machining of this thermoplastic. The major concern of this paper is the study of the cutting parameters (cutting velocity and feed rate) under power (Pc), specific cutting pressure (Ks), surface roughness (Ra) and International dimensional precision (IT) in PEEK reinforced with 30% of glass fibre (PEEK GF30). A plan of experiments, based on the methodology of Taguchi, was established considering turning with prefixed cutting parameters in the PEEK GF30 workpiece. The analysis of variance (ANOVA) was preformed to investigate the cutting characteristics of PEEK GF30 using a polycrystalline diamond (PCD) and a cemented carbide (K20) cutting tool.

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Acknowledgements

The authors acknowledge the financial support of the FCT research project “Optimization of the machining of polymeric matrix composite based on numerical and experimental models” POCTI 32684/99. They also acknowledge Vítor Lapa, PhD student, and Nuno Marques, Msc. student in Mechanical Engineering, for their participation in the experimental work.

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  1. Department of Mechanical Engineering, University of Aveiro, Campus Santiago, 3810-193 , Aveiro, Portugal

    J. Paulo Davim & Pedro Reis

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  1. J. Paulo Davim
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  2. Pedro Reis
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Correspondence to J. Paulo Davim.

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Davim, J.P., Reis, P. Machinability study on composite (polyetheretherketone reinforced with 30% glass fibre–PEEK GF 30) using polycrystalline diamond (PCD) and cemented carbide (K20) tools. Int J Adv Manuf Technol 23, 412–418 (2004). https://doi.org/10.1007/s00170-003-1779-7

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  • DOI: https://doi.org/10.1007/s00170-003-1779-7

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