扩大Φ100mm穿孔机组产品规格的工艺试验
EXPERIMENT ON EXPANDING PRODUCT SIZE RANGE OF Φ100mm PIERCING MILL
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摘要: 介绍了采用二次穿孔加冷拔的工艺生产Φ133mm×5mm不锈钢管的有关工艺参数和几种热穿孔工艺方案。热穿孔工艺试验表明,C方案的热穿孔成材率最高。Abstract: Described in the paper are technological parameters and several options for hot-piercing process with respective to manufacturing Φ133mm × 5mm stainless steel tubes with secondary piercing plus cold-drawing. The experimental hot-piercing operation shows that Option C resulted in the highest hot-piercing process yield.