冷拔液（汽）压缸筒精加工工艺

液（汽）压缸的用量近年成较快增长趋势，随着冷拔工艺的普及，缸筒等材料利用率得以大幅提高，但后续的精加工，如何做到高质、高效，是值得探索的问题。通过对冷拔缸筒精加工工艺路线的分析比较，总结了冷拔管经浮镗滚压后，再珩磨的加工工艺路线，可以明显提高产品生产效率，保证产品加工质量和成品合格率。

Analysis and comparison of hydraulic pressure tube with precise cold working processes

With the extensive use of cold working with draw process,the product output of the hydraulic pressure tube has been continuously increased in recent years.The utilization percent of tube material has improved greatly,in order to satisfy precise machining of hydraulic pressure tube,it is worthy of a question how to improve high quality and efficiency.Through analysis and comparison of hydraulic pressure tube with precise cold working processes,from steel tube with pull force machining to rolling and press up...