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。
The generation of pilger bell ends is obviated in the production, thus improving the rolling yield and achieving better economic benefit.
生产中没有皮尔格头的产生，因此可以提高成材率，产生较好的经济效益。
The generation of pilger bell ends is obviated in the production, thus improving the rolling yield and achieving better economic benefit.
生产中没有皮尔格头的产生，因此可以提高成材率，产生较好的经济效益。
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