Non - mandrel drawing is a method widely used in cold drawn pipe production.

无芯棒拔制是冷拔钢管生产中应用最广泛的一种生产方法.

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Introduce an experimental analytics axis - thrust tube bending on horn mandrel.

介绍了一种分析牛角芯棒上热推弯管成形过程的实验解析法.

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Advantages of employment of semi - floating mandrel mill to produce small and medium tubes are elaborated.

提出了小型无缝钢管生产机组选用半浮动芯棒连轧工艺的优势.

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Principle of blown film die with spiral spreader and factors affecting its properties are introduced.

介绍了螺旋芯棒机头的工作原理以及影响其性能的因素.

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The main inactive forms of core - rod are heat fatigue and touching fatigue peeling.

芯棒在工作中产生的主要失效形式是疲劳剥落.

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One way is to use a hollow billet and then use a fixed or floating mandrel.

一种方法是使用空心坯,然后使用固定或浮动芯棒.

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