Research and Application of Machining Deformation Simulation on Aero-Component

DING Yue; LIU Chang

doi:10.16080/j.issn1671–833x.2019.03.081

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Research and Application of Machining Deformation Simulation on Aero-Component

更新时间：2025-10-30

- Research and Application of Machining Deformation Simulation on Aero-Component
- Aeronautical Manufacturing Technology Vol. 62, Issue 3, Pages: 81-89(2019)
- 作者机构：
  
  1. 中国航空制造技术研究院数字化与柔性装配研究室,北京,100024
  2. 数字化制造技术航空科技重点实验室,北京,100024
  3. 复杂构件数控加工工艺及装备北京市重点实验室,北京,100024
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671–833x.2019.03.081
  CLC：
- Published：2019
- 稿件说明：
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丁悦，刘畅. 航空结构件铣削加工变形仿真技术研究与应用[J]. 航空制造技术, 2019, 62(3): 81-89.

DING Yue, LIU Chang. Research and Application of Machining Deformation Simulation on Aero-Component. Aeronautical Manufacturing Technology, 2019, 62(3): 81-89.
丁悦，刘畅. 航空结构件铣削加工变形仿真技术研究与应用[J]. 航空制造技术, 2019, 62(3): 81-89. DOI： 10.16080/j.issn1671–833x.2019.03.081.

DING Yue, LIU Chang. Research and Application of Machining Deformation Simulation on Aero-Component. Aeronautical Manufacturing Technology, 2019, 62(3): 81-89. DOI： 10.16080/j.issn1671–833x.2019.03.081.

摘要

针对航空结构件在铣削加工过程中易产生变形等问题，探讨了结构件铣削加工有限元仿真方法，逐步解决了本构模型建立、毛坯初始应力场构建、切削载荷施加、网格细化与状态更新等系列问题。根据建立的有限元模型对试验件进行了加工变形仿真和铣削加工试验，结果表明仿真结果与试验结果相吻合，可满足工程应用需要。同时，提出了先加工两端后加工中间的加工变形控制策略，并采用该策略对大尺寸铝合金单面框进行了工艺设计。通过加工变形仿真验证了工艺方案的可行性。实际加工结果表明变形量和变形趋势与加工结果基本吻合，实现了大型航空结构件的一次加工合格。

Abstract

In order to establish a comprehensive model for simulating the machining deformation

it was studied a series of key techniques including constitutive model

residual stress

material removal

finite element control etc. Subsequently

a milling test was conducted to verify the model. The result shows that the simulation accords with the experiment

which means the model meets the requirement of engineering. Thus the model was used for optimizing the processing of the large integral aero-component.

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