ERW管内高压充液成形技术在汽车零件上的应用

The Application of the Forming Technology of the ERW Pipe Internal High Pressure Liquid in Auto Parts

本文介绍了管件内高压充液成形的原理、特点；阐述了ERW管（高频电阻直缝焊管）制作的轿车拖拽臂的内高压充液成形工艺方案，为类似零件的制作提供参考；说明ERW管内高压充液成形技术在汽车行业中的应用，是实现汽车轻量化的良好途径之一。

This paper introduces the principle and characteristics of the internal high pressure liquid forming, expounds the ERW pipe （high frequency straight seam wehted pipe resistance） production car drag arm of internal high pressure forming process of liquid solutions, provides a reference for similar parts production, which states that the application of the ERW pipe high pressure liquid forming technology in the automotive industry is one of the good ways to realize the auto lightweight.