一种改进的压气机叶片辊轧成型前滑计算模型

doi:10.7527/S1000-6893.2015.0328

Abstract

Abstract:

In the process of roll forming, the speed of component is faster than that of the roller at the end of rolling deformation zone, namely rolling forward slip phenomenon, which affects component forming precision. For the forward slip problem in the process of roll forming allowance free blade, based on the analysis of the blade roll forming process, we calculate the integral of different thicknesses along chordwise and then took the average, in this way the blade roll forward slip calculation model is established. Also, flat plat, V-shaped plate and straight grain blade are used to validate the blade roll forward slip calculation model with FEM respectively. The results show that calculation model can accurately express forward slip in rolling deformation, which lays a foundation for the forward slip study in rolling un-symmetrical component.

Key words: compressor blade, roll forming, section curve, forward slip model, FEM

CLC Number:

V263.1

JIN Qichao, WANG Wenhu, JIANG Ruisong, ZHAO Dezhong, CUI Kang, XIONG Yifeng. An improved calculation model for forward slip in rolling compressor blade[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016, 37(10): 3178-3185.

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An improved calculation model for forward slip in rolling compressor blade

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