Study and Validation of Laser Forming Process Numerical Models

Rizwan, C. Paul
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Abstract

This paper presents a statistical analysis of Structural Steel to study the special effects of process constraints (Laser Power, Scan Speed, Spot Diameters and Heat flow diameter). These process parameters are taken as input changeable and twisting angle or deformation considered as the output variable. An Ansys 18.1 licensed software tool is used for modelling and optimization of the laser bending method. The performance of the developed model and results is matched and checked with reference papers. All the process parameters are investigated and set up considerable effect on the bending angle. The effect of the beam diameter, scan speed and heat flow energy on bending angle also compare with research papers. The bending angle enhanced with an increase in beam diameter at stable heat energy but decreased with increase in heat energy at constant beam diameter. The bending angle is also affected by overlapping and gap between beam diameters.
激光成形过程数值模型的研究与验证
本文对结构钢进行了统计分析,研究了工艺约束(激光功率、扫描速度、光斑直径和热流直径)的特殊影响。将这些工艺参数作为输入变量,将扭转角度或变形作为输出变量。采用Ansys 18.1授权软件对激光弯曲法进行建模和优化。所建模型的性能和计算结果与相关文献进行了比对和校核。研究了各工艺参数对弯曲角的影响。本文还比较了光束直径、扫描速度和热流能量对弯曲角的影响。在稳定热源下,弯曲角随光束直径的增大而增大,而在恒定热源下,弯曲角随能量的增大而减小。弯曲角还受梁径重叠和梁径间隙的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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