文章摘要
崔翔,张秀芬.退役曲轴再制造性可拓评价模型与方法[J].机床与液压,2021,49(1):69-74.
CUI Xiang,ZHANG Xiufen.Extension Evaluation Model and Method for Remanufacturability of Retired Crankshaft[J].Machine Tool & Hydraulics,2021,49(1):69-74
退役曲轴再制造性可拓评价模型与方法
Extension Evaluation Model and Method for Remanufacturability of Retired Crankshaft
  
DOI:10.3969/j.issn.1001-3881.2021.01.014
中文关键词: 退役曲轴  再制造性  可拓评价模型
英文关键词: Decommissioned crankshaft  Remanufacturability  Extension evaluation model
基金项目:国家自然科学基金地区科学基金项目(51565044;51965049); 内蒙古自治区自然科学基金面上(联合)项目(2017MS(LH)0510); 内蒙古自治区高等学校青年科技英才支持计划(NJYT-17-B08); 内蒙古自治区高等学校科学研究项目(NJZY19272)
作者单位E-mail
崔翔 内蒙古工业大学机械工程学院 2394469503@qq.com 
张秀芬 内蒙古工业大学机械工程学院 xxff_6188@163.com 
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中文摘要:
      为了提高再制造曲轴毛坯质量,建立退役曲轴再制造毛坯质量评价模型,从失效性、经济性、材料性3个层面系统分析其再制造性能。提出基于可拓法的失效性评价方法,根据专家经验知识设定失效性指标经典域,基于专家评测法获得的评价值作为可拓评价物元,建立综合函数与回收决策关联度对曲轴初步分类。在此基础上,对拟再制造的曲轴从设备成本、时间成本两方面进行综合经济性评价,再制造成本过高的作回收处理。对回收处理中材料性指标高于阈值的曲轴采取材料回收,其余废弃处理。最后,选取5个退役曲轴进行应用研究。实验结果表明:所采取的回收方式与实际工程经验相符,实现了曲轴分阶段、全方位的评价,便于企业决策。
英文摘要:
      To improve the quality of remanufactured crankshaft blank, a quality evaluation model for remanufactured crankshaft blank was established, and its remanufacturing performance was systematically analyzed from three aspects of failure, economy and material. A failure evaluation method based on extension method was proposed. The classical domain of failure index was set according to expert experience knowledge, and the evaluation value obtained by expert evaluation method was used as extension evaluation matter element. The preliminary classification of crankshaft was established by the correlation degree between synthesis function and recovery decision. On this basis, the crankshaft to be remanufactured was evaluated comprehensively in terms of equipment cost and time cost, and the crankshaft with excessive remanufacturing cost was recycled. The crankshaft whose material property index was higher than the threshold value was recycled, and the rest was discarded. Finally, five decommissioned crankshafts were selected for application research. The experimental results show that the recycling method adopted is consistent with the actual engineering experience, and the crankshaft is evaluated in stages and in an all round way, which is convenient for enterprise decision making.
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