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An analytical model for laser tube bending

机译:激光管弯曲的解析模型

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摘要

Laser tube bending is a flexible forming process by which metal tube can be bent without external forces. For identifying the relationships between the bending angle and the processing parameters, a new analytical model describing the bending angle is established. The model gives an analytical expression for the bending angle as a function of the energy (laser power, absorption, scanning speed), geometric (tube diameter and wall thickness) and material properties (coefficient of thermal expansion, density, heat capacity, Young's modulus, yield stress). In order to verify the theoretical model, bending angles estimated by the proposed model are compared with those measured experimentally and the effects of the laser bending parameters on the final bending angle are discussed using the established model.
机译:激光管弯曲是一种灵活的成型过程,通过该过程金属管可以在没有外力的情况下弯曲。为了识别弯曲角度和加工参数之间的关系,建立了描述弯曲角度的新分析模型。该模型给出了弯曲角与能量(激光功率,吸收率,扫描速度),几何形状(管直径和壁厚)和材料特性(热膨胀系数,密度,热容,杨氏模量)的函数的解析表达式。 ,屈服应力)。为了验证理论模型,将所提出的模型估计的弯曲角与实验测量的弯曲角进行比较,并使用建立的模型讨论了激光弯曲参数对最终弯曲角的影响。

著录项

  • 来源
    《Applied Surface Science》 |2003年第3期|p.432-436|共5页
  • 作者

    N. Hao; L. Li;

  • 作者单位

    Laser Processing Research Centre, Department of Mechanical, Aerospace and Manufacturing Engineering, University of Manchester Institute of Science and Technology (UMIST), P.O. Box 88, Manchester M60 1QD, UK;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用物理学;
  • 关键词

    laser; bending; tube; model; parameter;

    机译:激光;弯曲;管;模型;参数;

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