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Deformation Analysis of Aero Thin-Walled Workpiece Under Multi-Stress Coupled Effect

[+] Author Affiliations
Dong Lu, Jianfeng Li, Jie Sun, Song Zhang, Jun Zhou, Feng Jiang

Shandong University, Jinan, China

Yiming Rong

Worcester Polytechnic Institute, Worcester, MA

Paper No. IMECE2007-42129, pp. 425-430; 6 pages
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 3: Design and Manufacturing
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4297-5 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME


Cutting stress coupled with clamping stress and initial stress affects the workpiece deformation. To predicate the workpiece deformation during machining, the multi-stress coupled model was developed. The finite element model of milling process is established and the milling forces were predicted. The predicated milling force, clamping force and initial stress were taken as initial conditions and were inputted into the multi-stress coupled model. Workpiece deformation during machining and reaction forces of locators were predicated. To maintain workpiece in a stable condition during machining, reaction forces of the locators when the cutting tool moving along the clamp side must be monitored.

Copyright © 2007 by ASME
Topics: Deformation , Stress



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