Abstract
The reinforced polyetheretherketone with 30% of carbon fibres (PEEK-CF30) reveals a particularly good combination of strength, rigidity, and hardness, which prove ideal for industrial applications. Considering these properties and potential areas of application, it is necessary to investigate and optimise the machining of PEEK-CF30. The Grey-fuzzy logic based on orthogonal array for optimising the machining process with multi-response has been reported. An orthogonal array and Grey-fuzzy reasoning grade are applied to study the multi performance characteristics of the machining process. The machining parameters (cutting speed, feed rate and depth of cut) with considerations of multiple responses (roughness surface and cutting force) are effective. The experimental results using the optimal setting easily clarified that the abovementioned optimum procedure greatly improved the manufacturing process in this study.
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