价值工程在大带冠导叶改进方案的应用  

Application of Value Engineering in Improvement Scheme of Large Coronated Guide Vanes

作　　者：勾晶晶 朱小燕 彭熙熙[1] 张海[1] GOU Jingjing;ZHU Xiaoyan;PENG Xixi;ZHANG Hai(Dongfang Turbine Co.,Ltd.,Deyang,Sichuan,618000,China)

机构地区：[1]东方汽轮机有限公司,四川德阳618000

出　　处：《智能城市应用》2024年第8期123-125,共3页Smart City Application

摘　　要：大带冠导叶片毛坯采用方钢,材料利用率低,材料费高,加工时金属去除量大,刀具消耗较大,加工成本高。本篇文章应用价值工程的原理,通过对汽轮机关键核心零部件进行成本分析,以大带冠导叶片为降本对象,从毛坯方案、精加工工艺、产品性能检测、经济效益等方面阐述价值工程对于实际生产应用的指导意义。The blank of the large crown guide vane is made of square steel,which has low material utilization rate,high material cost,large metal removal amount during processing,high tool consumption,and high processing cost.This article applies the principles of value engineering to analyze the cost of key core components of steam turbines.Taking the large crown guide vanes as the object of cost reduction,the guiding significance of value engineering for practical production applications is elaborated from the aspects of blank design,precision machining technology,product performance testing,economic benefits,etc.

关 键 词：价值工程 成本分析 大带冠导叶 毛坯 精铸 

分 类 号：TU7[建筑科学—建筑技术科学]