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近净成形叶片加工变形控制技术研究

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基于反向分段加工变形控制方法对传统正向加工和反向分段加工的毛坯余量进行研究.针对近净成形叶片的加工余量小、加工易变形等问题以及高加工精度的需求提出了正反向综合切削的变形控制策略.基于正反向加工工艺对某航发铸造叶片进行磨削加工试验.结果表明,正反向加工工艺能够实现小余量叶片的高精度加工,在近净成形叶片加工中具有一定的优势.
Research on Deformation Control of Near-net-shape Blade
Based on the reverse segment deformation control method proposed previously,the blank machining allow-ances for traditional forward machining and reverse segment methods are explored.A deformation control strategy that com-bines both the forward and reverse segment method is proposed to address the issues of small machining allowances and high machining accuracy requirements for near-net-shape blades.Based on the forward and reverse segment machining processes,a grinding experiment of cast turbine blade is conducted,and the results show that the forward and reverse seg-ment machining processes can achieve high-precision machining of blades with small machining allowances,which has cer-tain advantages in the machining of near-net-shape blades.

near-net-shape blademachining deformation controlreverse segment machiningpositive-reverse segment machining

黄瀚川、郝清龙、何志强、许云

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贵阳航发精密铸造有限公司

贵州师范大学机械与电子工程学院

天舟精密机械有限公司

贵州师范学院

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近净成形叶片 加工变形控制 反向分段加工 正反向加工工艺

2024

工具技术
成都工具研究所

工具技术

CSTPCD北大核心
影响因子:0.147
ISSN:1000-7008
年,卷(期):2024.58(11)