The paper gives a brief introduction to three types of mandrels used for the two-high pilger cold-rolling mill, namely, mono-cone mandrel, dual-cone mandrel and parabolic mandrel.
本文简要介绍了周期式二辊冷轧管机所使用的单锥度芯棒、双锥度芯棒及抛物线芯棒。
2
The generation of pilger bell ends is obviated in the production, thus improving the rolling yield and achieving better economic benefit.