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Open AccessArticle

Research on Laser Additive and Milling Subtractive Composite Remanufacturing Process of Compressor Blade

1
Laser Institute, Shandong Academy of Sciences, Jinan 250103, China
2
School of Mechanical and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China
3
School of Mechanical Engineering, Shandong University, Jinan 250061, China
*
Author to whom correspondence should be addressed.
J. Manuf. Mater. Process. 2018, 2(4), 73; https://doi.org/10.3390/jmmp2040073
Received: 23 September 2018 / Revised: 10 October 2018 / Accepted: 13 October 2018 / Published: 19 October 2018
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PDF [6269 KB, uploaded 19 October 2018]
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Abstract

As an important energy conversion mechanism, centrifugal compressors play an important role in the national economy. The blade is one of the most critical components of the compressor. Damaged blades contain extremely high added value for remanufacturing. Thus, remanufacturing research on damaged and retired impeller/blade is getting more and more attention. Laser additive and milling subtractive composite remanufacturing technology is an effective means to achieve metal parts remanufacturing. In this paper, an advanced methodology for the remanufacturing of complex geometry and expensive components via reverse engineering, free-form surface modeling, laser additive repaired and machining is presented. The approach involves the integration of 3D non-contact digitization to obtain the point cloud data of damaged parts, adaptive free-form surface reconstruction to get the digital model of damage location, and laser additive manufacturing process containing slicing and path planning and subsequent multi-axis milling operation. The methodology has been successfully implemented on thin-curved centrifugal compressor blades. The results have shown that the composite remanufacturing method is an effective solution to realize the remanufacturing of damaged blades, and can be applied to the remanufacturing of other complicated parts. View Full-Text
Keywords: laser additive manufacturing; milling; remanufacture; reverse engineering laser additive manufacturing; milling; remanufacture; reverse engineering
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Zhao, Y.; Sun, J.; Jia, Z.; Cheng, W.; Wang, J. Research on Laser Additive and Milling Subtractive Composite Remanufacturing Process of Compressor Blade. J. Manuf. Mater. Process. 2018, 2, 73.

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