• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2020, Vol. 56 ›› Issue (8): 113-132.doi: 10.3901/JME.2020.08.113

• 仪器科学与技术 • 上一篇    下一篇

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无应力制造技术

徐春广, 李培禄   

  1. 北京理工大学先进加工技术国防重点学科实验室 北京 100081
  • 收稿日期:2019-06-20 修回日期:2019-09-20 出版日期:2020-05-28 发布日期:2020-05-28
  • 通讯作者: 徐春广(通信作者),男,1964年出生,博士,教授,博士研究生导师。主要研究方向为无损检测,数字控制,几何量测量。E-mail:xucg@bit.edu.cn
  • 作者简介:李培禄,男,1988年出生,博士。主要研究方向为超声相控阵检测,残余应力无损检测与调控。E-mail:peilu.li@qq.com
  • 基金资助:
    国家自然科学基金(U1737203)和国家科技部(2016YFF0202805)资助项目。

Stress-free Manufacturing Technology

XU Chunguang, LI Peilu   

  1. Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing 100081
  • Received:2019-06-20 Revised:2019-09-20 Online:2020-05-28 Published:2020-05-28

摘要: 从无应力制造技术角度出发,概述了残余应力的来源及其对机械构件性能产生的影响,分析了研究残余应力分布状态检测和调控技术对于保障生产、稳定产品质量、延长产品寿命等方面具有的重要理论和现实意义。根据残余应力的不同检测方法和调控方法,给出了无应力制造技术的定义、作用和意义,以及机械构件残余应力的图形符号表示方法,包括残余应力梯度、分布均匀度和二维分布的表示符号。最后给出了无应力制造技术体系的构成和相互之间的逻辑关系,展望了无应力制造技术的未来发展方向和对机械加工和制造领域的促进作用。

关键词: 残余应力, 无损检测, 调控, 无应力制造

Abstract: The generation of residual stress and its influence on mechanical component performance are summarized from the perspective of no-stress manufacturing technology, and the important theoretical and practical significance of studying the determination and regulation of residual stress distribution for guaranteeing production, stabilizing product quality and prolonging product life are analyzed. According to different measurement methods and relief methods of residual stress, the definition, function and significance of stress-free manufacturing technology are given, as well as graphical symbol representations of residual stress of mechanical component, including residual stress gradient, distribution uniformity and 2D distribution. In the end, the structure of stress-free manufacturing technology system and the logical relation between them are given. The future development of stress-free manufacturing technology and the promotion of machining and manufacturing are prospected.

Key words: residual stress, non-destructive testing, regulation, stress-free manufacturing

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