本发明涉及一种用于轧机特别是周期式冷轧管机的驱动系统（1），包括：至少一个往复式机架（2）；
The invention relates to a drive system (1) for a milling system, in particular a cold pilger milling system, which has at least one reciprocal frame (2);
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 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.
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