So the control of the welding parameter such as welding pressure, gas flux, upsetting length is realized, and the system has a high dynamic response rapid and a high control precision.

从而成功地实现了对气压焊的焊接压力、气体流量、顶锻位移量等焊接过程参数的控制，并使控制系统具有较快的动态响应速度和较高的控制精度。

youdao

This article introduce the application of mobile rail gas pressure welding technology in the track maintenance of Shanghai Metro, and bring forward this technology is applicable and worthy to spread.

本文介绍了移动式钢轨气压焊接技术在上海地铁轨道维修中的应用，表明移动式钢轨气压焊接技术适合地铁维修施工，值得推广运用。

youdao

The flame normalizing treatments were put forward on steel rail with flash welding, gas pressure welding and aluminium heat welding.

对钢轨闪光焊、气压焊和铝热焊进行火焰正火处理，并进行正火、未正火接头和钢轨母材的金相组织以及力学性能的对比。

youdao