Scholarlink

<p>With the automotive industry actively participating in carbon neutrality campaigns by 2050, the requirements for emission reduction, light weight, and performance enhancement have driven the adoption of advanced high-strength steel (AHSS) in automotive part design and development. However, challenges such as formability, excessive spring-back, and thermal deformation arise when adopting AHSS, requiring extensive research to address these issues. In this study, a tubular beam in the rear coupled torsion beam axle (CTBA), a representative automotive chassis component, was selected and its manufacturing process was transitioned from indirect hot forming to a more sustainable cold-forming approach, while concurrently increasing the tensile strength of AHSS from 590 to 780&#xa0;MPa. This study aimed to enhance the quality of tubular beams by addressing the formability, spring-back, and thermal deformation problems using compensation methods. Finite element analysis (FEA) was employed to predict the spring-back during stamping and thermal deformation during welding. The deformation compensation was applied prior to the manufacture of stamping dies and welding jigs. Experimental validation encompassed the entire manufacturing process, and the final product was thoroughly inspected using a 3D scanner. In conclusion, deformation compensation played a major role in improving product quality to achieve cost-reduction objectives in the development process.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

The Development of Automotive Rear Coupled Torsion Beam Axle Using Finite Element Analysis for Deformation Compensation

  • 期刊论文

  • 发表日期：

    2025年7月7日

查看全文
  • Duy Tung Do,
  • Sang-Hoon Kim,
  • Jong-Kyu Park

摘要

With the automotive industry actively participating in carbon neutrality campaigns by 2050, the requirements for emission reduction, light weight, and performance enhancement have driven the adoption of advanced high-strength steel (AHSS) in automotive part design and development. However, challenges such as formability, excessive spring-back, and thermal deformation arise when adopting AHSS, requiring extensive research to address these issues. In this study, a tubular beam in the rear coupled torsion beam axle (CTBA), a representative automotive chassis component, was selected and its manufacturing process was transitioned from indirect hot forming to a more sustainable cold-forming approach, while concurrently increasing the tensile strength of AHSS from 590 to 780 MPa. This study aimed to enhance the quality of tubular beams by addressing the formability, spring-back, and thermal deformation problems using compensation methods. Finite element analysis (FEA) was employed to predict the spring-back during stamping and thermal deformation during welding. The deformation compensation was applied prior to the manufacture of stamping dies and welding jigs. Experimental validation encompassed the entire manufacturing process, and the final product was thoroughly inspected using a 3D scanner. In conclusion, deformation compensation played a major role in improving product quality to achieve cost-reduction objectives in the development process.