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Localization method for precision forged blade edge considering multiple constraints

  • Neng WanEmail author
  • Sen Shi
  • Heng Zhao
  • Sentang Zhang
ORIGINAL ARTICLE
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Abstract

Precision forging is a choice for compressor blade fabrication. Pressure and suction surfaces could be forged to yield design requirements but the blade edge could not. A localization for machining blade edge, considering forging deformation and surface continuity, is discussed in this paper. Different from making machining allowance more balance in past researches, minimizing the difference between machined surface and design surface is adopted. Except machining allowance constraint, new constraints about form tolerance and geometry continuity are built up for localization. As a model for generating tool path, the machining surface of the blade edge is determined by adjusting a group of section curves under proposed constraints. At last, a precision forging blade is applied to verify the proposed localization method.

Keywords

Adaptive machining Localization Clamping deformation Tolerance constraint Continuity constraint 

Notes

Funding information

This study was financially supported by the National Natural Science Foundations of China (Grant Nos. 51775445 and 51475381), the Xi’an science and technology project (201805042YD20CG26), the Natural Science Basic Research Plan in Shaanxi Province of China(Program No.2019JM-349), and the Aeronautical Science Foundation of China (Grant No. 2017ZE53053).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.The Key Laboratory of Contemporary Design and Integrated Manufacturing Technology of Ministry of EducationNorthwestern Polytechnical UniversityXi’anChina
  2. 2.AECC Shenyang Liming Aero Engine Corporation LTDShenyangChina

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