Macro-Residual Stress Field Retrieval for Predicting the Machining Deformation of Non-Prestretched Plate

Abstract:

The unknown and uneven macro-residual stresses in blanks will cause deformation on large-scale component, especially in non-prestretched plates. Based on the retrieval of stress field by measuring stress changes due to the rebalance of stresses after machining, a new idea is proposed in this paper to predict and control the machining deformation of large-scale components. It consists of analysis of the machining deformation, retrieval of macro-residual stress field, and finally optimization of following cutting process. In the retrieval process, the stresses are measured with an improved hole-drilling method and the measured data are then interpolated to 3D stress field.

• Periodical: Advanced Materials Research (Volumes 317-319)
• Pages: 386-392
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.317-319.386
• Online since: August 2011
• Authors: Yin Fei Yang, Ning He, Liang Li
• Keywords: Machining Deformation, Residual Stress, Stress Field Retrieval

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