摘要
经实践证明,用300 MN液压机反挤压成形大口径厚壁管是可行的。通过控制挤压速度、模具表层涂覆碳粉等措施可以得到优质的产品。
It is proved that it is feasible to make large thick wall pipe be formed by backward extruding and high -quality products can be obtained by controlling extrusion speed and carbon powder coated on mold surface .
出处
《大型铸锻件》
2014年第4期38-39,42,共3页
Heavy Casting and Forging
关键词
厚壁管
反挤压
300MN液压机
thick wall pipe
backward extrusion
300MN hydraulic press
