two-roll piercer 二辊穿孔机
three-roll piercer 三辊穿孔机
cone roll piercer 锥形辊穿孔机
three roll piercer 三辊穿孔机
cross roll piercer 斜轧穿孔机
two-roll cone piercer 二辊锥形穿孔
It is pointed out that like the barrel type piercer process, the control of the cone type piercer roll speed is also very important.
指出了锥形辊穿孔机也要和桶形辊穿孔机一样，要重视对穿孔机轧辊转速的控制。
The computation of the roll opening is the basis of tool design and parameters adjustment of skew rolling piercer.
斜轧穿孔机轧辊开度计算是轧机工具设计和调整参数计算的基础。
The piercing principle of 2-roll cross-rolling piercer and its application range are discussed.
论述了二辊斜轧锥形辊穿孔机的穿孔原理及其应用范围。
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