当前位置：首页 > 过刊浏览->2021年42卷第2期
六西格玛在提高单晶叶片弦长合格率中的运用
Application of Six Sigma in Improving Chord Length Qualification Rate of Investment Casting Single Crystal Blade
浏览(2944) 下载(8)
- DOI:
- 作者:
- 许剑伟，郑 乔，王海文，杨 功
XU Jianwei, ZHENG Qiao, WANG Haiwen, YANG Gong
- 作者单位:
- 中国航发北京航空材料研究院 先进高温结构材料重点实验室，北京 100095
Science and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing 100095, China
- 关键词:
- 精密铸造；六西格玛；单晶叶片；弦长；过程能力
investment casting; six sigma; single crystal blade; chord length; process capability
- 摘要:
- 为提高某型发动机单晶叶在精密铸造过程中的叶片弦长合格率，运用了六西格玛统计技术对某型号发动
机单晶叶片在精密铸造过程中工艺、管理等数据进行了详细分析，确定了影响叶片弦长的关键因素。 通过对模具相应部
位进行修改，对工艺流程进行相应改进，对该型号单晶叶片 4 个截面改进前后弦长数据进行了对比。 结果表明，运用六
西格玛统计技术可以提高精密铸造单晶叶片尺寸的合格率。
In order to improve the qualified rate of the chord length of a single crystal blade in the investment casting process of a certain type of engine, the six sigma statistical technology was used to analyze the process and management data of the single crystal blade in the precision casting process of a certain type of engine in detail, and the key factors affecting the chord length of the blade were determined. By modifying the corresponding parts of the die and improving the technological process, the chord length data before and after the four sections of the single crystal blade of this model were compared. The results show that the qualified rate of precision casting single crystal blade size can be improved by using six sigma statistical technique.