通过对无氧铜管棒材生产中加热、挤压工序的控制,尽量减少氧气的进入,降低因加工生产带来的含氧量不合格的可能性,以提高无氧铜的氧含量的合格率。 Through the control of the heating and extrusion processes in the production of oxygen-free copper tube and bar, minimizing the entry of oxygen and reducing the possibility of unacceptable oxygen content resulting from the processing and production to improve the oxygen content of oxygen-free copper rate.