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Chemical vapour deposition (CVD) diamond coated tools performance in machining of PEEK composites |
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| Authors: | J Paulo Davim Francisco Mata |
| Affiliation: | aDepartment of Mechanical Engineering, University of Aveiro, Campus Santiago, 3810-193 Aveiro, Portugal bPolytechnic School of Almadén, University of Castilla-La Mancha, Plaza Manuel Meca, 1, 13400 Almaden, Spain |
| Abstract: | This paper presents a study about the chemical vapour deposition (CVD) diamond coated tool performance in machining unreinforced PEEK and composite PEEK CF30 (reinforced with 30% of carbon fibres). The experimental procedure consisted of turning operations, during which cutting forces and surface roughness obtained in composite workpieces were measured. The obtained results showed a best cutting performance for CVD diamond coated tool in machining PEEK composites, particularly in terms of cutting forces and power consumption, when compared with polycrystalline diamond (PCD) and cemented carbide (K10) cutting tools. This fact is very important due to the minor production costs of CVD diamond coated tools in comparison with PCD tools. |
| Keywords: | CVD diamond coated tools Machining PEEK composites |
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