cone roll piercing mill 菌式轧辊穿孔机 ; 菌式穿孔机 ; 菌式穿孔
cone-type piercing 锥形穿孔机
cone-roll piercing mill 蘑菇式穿孔机
cone type piercing mill 锥形辊穿孔机
duo cone-type piercing mill 二辊锥型穿孔机
two-high cone shape piercing 二辊锥形穿孔
Tests are made with three different piercing plug cone shapes to identify shell gauge changes during secondary piercing process.
采用三种不同穿轧锥形状的顶头，通过二次穿孔试验研究了毛管壁厚变化。
This paper analyzes the reasons leading to rolled stock jamming in duo cone type piercing mill on piercing mill adjustment and tool shape etc. and puts forward corresponding preventive measures.
从穿孔机调整、工具形状等方面分析了二辊锥型穿孔机产生轧卡的原因，并提出了相应的预防措施。
The causes on wrinkle occurrence on the working cone of piercing plug are analysed in detail, and the measures to prevent wrinkle occurrence are put forward.
详细地分析了穿孔顶头工作锥起皱的原因，提出了抑制顶头工作锥起皱的工艺措施。
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