TITLE

Geometric analysis of investment casting turbine blades based on digital measurement data

AUTHOR(S)
Cheng Yunyong; Wang Liya; Zhu Zhenzhen; Zhang Dinghua
PUB. DATE
January 2014
SOURCE
China Foundry;Jan2014, Vol. 11 Issue 1, p20
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A turbine blade is one of the key components of the aero-engine. Its geometric shape should be inspected carefully in the production stage to ensure that it meets the tolerance specification. In the present paper, an approach for investment turbine blade geometric shape analysis based on multi-source digital measurement is presented. Its key technologies, such as measurement data collection, blade model reliable alignment, geometric shape deviation fast calculation and visualization, were investigated. Actual measurement data from a structure light measurement device and a Coordinate Measuring Machine (CMM) for turbine blades were used to validate the presented method. The experimental results show that the proposed method is accurate, quick and effective to implement.
ACCESSION #
94733369

 

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