关键词: 碳纤维复合材料, 模糊理论, 钻孔, 钻削参数, 评价

Abstract: The properties of composite components was affected by holes quality,and the evaluation on holes quality of Carbon Fibre Reinforced Plastics (CFRP) drilling mainly relied on single factor method or experiments experience which was not considered the multi-parameter evaluation model synthetically.Appropriate factors such as machining parameters,machining conditions and materials were chosen as evaluation indexes to build a second grade fuzzy comprehensive assessment model.The construction method on membership functions of various influence factors was researched,and the membership degree and the weight coefficients for factors of various drilling schemes were confirmed.The weighted average model of generalized fuzzy operator was employed to calculate and the optimal drilling scheme from the given schemes was obtained.To check the calculation result of numerical example,the drilling experiments was conducted,and the result of the fuzzy comprehensive assessment was found to be in a good agreement with the experimental results through detecting the holes quality.

Key words: carbon fibre reinforced plastics, fuzzy theory, drilling, drilling parameter, evaluation