A侧管连续拉伸级进模设计

通过对A侧管的工艺分析及计算，提出了落料、冲孔、拉伸成形工艺，介绍了连续拉伸模的冲压方案。经多年来生产及验证，该模具结构合理、可靠，加工质量好，生产效率高，对此类零件的级进模设计工作者有重要的参考价值。

Design of Progressive Drawing Die for the A Side Tube

This article through to A side tube process analysis and calculation, puts forward the punching, punching and deep drawing process, the paper introduces the continuous drawing die stamping scheme. For many years the production and verification, the die structure is reasonable and reliable, and processing of good quality, high production efficiency, to such parts of the progressive die design has important reference value.