| Geometric analysis of investment casting turbine blades based on digital measurement data简 |
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| 引用本文： | Cheng Yunyong,Wang Liya,Zhu Zhenzhen,Zhang Dinghua. Geometric analysis of investment casting turbine blades based on digital measurement data简[J]. 中国铸造, 2014, 0(1): 20-27 |
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| 作者姓名： | Cheng Yunyong Wang Liya Zhu Zhenzhen Zhang Dinghua |
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| 基金项目： | This work was financially supported by the Major National S＆T Project （No.2012ZX04007021） and Doctoral fund of China（No,2013YD050008）. |
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| 摘 要： | 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.
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| 关 键 词： | turbine blade shape inspection model reliable alignment deviation visualizationCLC number：TP391.9 Document code：AArticle ID：1672-6421（2014）01-020-08 |
Geometric analysis of investment casting turbine blades based on digital measurement data |
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| ChengYunyong WangLiya,ZhuZhenzhen ZhangDinghua. Geometric analysis of investment casting turbine blades based on digital measurement data[J]. China Foundry, 2014, 0(1): 20-27 |
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| Authors: | ChengYunyong WangLiya ZhuZhenzhen ZhangDinghua |
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| Affiliation: | KeyLaboratoryofContemporaryDesignandIntegratedManufacturingTechnology;MinistryofEducation,NorthwesternPolytechnicalUniversity,Xi＇an710072,Shaanxi,China |
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| 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. |
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| Keywords: | turbine blade shape inspection model reliable alignment deviation visualization |
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