轧辊按材质主要分为哪几种类别？
轧辊按制造材料主要划分为铸钢系列轧辊、铸铁系列轧辊和锻造系列轧辊三大类别。
What are the main categories of the roll according to the material?
Rolls are mainly divided into three categories: cast steel series rolls， cast iron series rollers and forging series rolls.
这些应力沿辊身的散布是不均匀的、不断改变的，crane哪里有，其原因不只有规划要素，抚顺crane，还有轧辊在运用中磨损、温度和辊形的不断改变。
The dispersion of these stresses along the roll is uneven and constantly changing， and the reasons are not only the planning elements，crane价格， but also the constant change of wear， temperature and roll shape in the use of the rolls.
线材轧机拥有粗轧机架和与小型型材轧机类似的中间机架。与两线轧制的小型型材轧机相比，这些轧机一般被设计成可以进行高达4线的同时轧制的切分轧制。然而，crane生产，目前的发展趋势是采用单线的高速轧制。
The wire mill has a roughing mill stand and an intermediate rack similar to a small section mill. Compared with the two section rolling mill， these mills are generally designed for rolling up to 4 lines at the same time. However， the current development trend is single line high-speed rolling.
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