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小孔径厚壁铜管是焊接行业中导电嘴生产用管材。根据导电嘴的工作状况,制定了满足导电嘴使用要求的小孔径厚壁铜管尺寸规格和性能指标。采用上引连铸提供管坯,与冷轧、拉伸集成的新型工艺方法作为小孔径厚壁铜管的生产工艺,对上引连铸、冷轧、拉伸工艺进行试验研究,改进工装辅具,优化工艺参数,实现了小孔径厚壁铜管高效、高质量及短流程制备。
Small aperture thick-walled copper pipe is the production of conductive nozzle manufacturing pipe. According to the working condition of the contact tip, the size specification and the performance index of the small-diameter thick-walled copper tube meeting the requirements of the contact tip are established. Adopting the new process technology of integrating the cold rolling and drawing as the production process of the small-diameter thick-wall copper pipe by using continuous casting on the lead casting, experimental research on the continuous casting, cold rolling and drawing process was conducted to improve the workmanship A, with optimized process parameters, to achieve a small aperture thick-walled copper tube with high efficiency, high quality and short process preparation.