整体叶轮在分度装置装夹下的CMM测量方法研究

潘金川; 刘胜兰; 张丽艳; 王晓飞

doi:10.13433/j.cnki.1003-8728.2015.0915

整体叶轮在分度装置装夹下的CMM测量方法研究

doi: 10.13433/j.cnki.1003-8728.2015.0915

1.
南京航空航天大学机电学院, 南京 210016;
2.
江苏省计量科学研究院, 南京 210007

基金项目:

国家技术监督总局2011年度科研计划项目（2011QK124）、工信部民机专项科研项目（MJ-G-2011-24）及航空基金项目（20131625）资助

详细信息

作者简介:
潘金川（1988-），硕士研究生，研究方向为数字化设计与检测，itol881122@163.com

通讯作者:
张丽艳，教授，博士生导师，zhangly@nuaa.edu.cn

计量
- 文章访问数: 170
- HTML全文浏览量: 22
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2013-11-28
- 刊出日期: 2015-09-05

Research on Measuring Method of Monolithic Impeller with Dividing Apparatus Via CMM

1.
College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2.
Jiangsu Institute of Metrology, Nanjing 210007, China

摘要

摘要: 利用三坐标测量机测量整体叶轮，需要分度装置来满足各个叶片的测量。由于各种误差特别是安装误差的影响，会引起整体叶轮中心轴与分度装置的中心轴不重合从而产生运动偏心，使得测头无法顺利接触叶片并影响整体叶轮叶片型面的检测精度。提出两种测量策略：分次独立坐标系测量法和统一坐标系测量法。前者在每次分度后都重新建立坐标系，减少分度过程中造成的误差；后者只建立一次坐标系，通过计算叶轮中心与分度装置中心间的偏心来进行误差补偿。
- 整体叶轮 /
- 分度装置 /
- 偏心 /
- 三坐标测量机 /
- 测量方法
Abstract: To measure the monolithic impeller on coordinate measuring machine(CMM), the dividing apparatus is needed for sampling individual blades. The installation eccentricity between the monolithic impeller and the dividing apparatus will cause eccentric motion, which affects the contact between the measuring head and the blades. Even worse, it reduces the detection accuracy of blade surface. Two measurement strategies are proposed, namely independent coordinate measurement and unified coordinate measurement. The former re-establishes the coordinate system after each dividing operation to lower the eccentricity-induced error. The latter establishes coordinate system only once, while achieves error compensation with calculating the eccentricity between the monolithic impeller and the dividing apparatus.
- coordinate measuring machines /
- data processing /
- design of experiments /
- dividing apparatus /
- eccentric motion

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参考文献(15)

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