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首页> 外文期刊>Wire Journal International >Improved wire rod properties resulting from controlled cooling in modern water box and Stelmor~R conveyor cooling system
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Improved wire rod properties resulting from controlled cooling in modern water box and Stelmor~R conveyor cooling system

机译：通过现代水箱中的受控冷却和Stelmor〜R输送机冷却系统改善线材性能

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摘要

It has been shown how modern wire rod mill technology of rolling through a RSM and using a combination of carefully controlled cooling through water boxes and air cooling systems produces an ever-increasing number of steel grades that can be either used directly from the mill or have significantly reduced downstream processing operations and costs. This is achieved through creating the most appropriate steel microstructure after rolling. Careful control of the entire reheating, rolling and subsequent cooling conditions must be maintained to enable this. Process conditions are established dependent on the steel grade and property requirements. Whereas the Stelmor~R cooling systems have shown a progressive development over many years, creating a continual improvement of the properties of as-rolled high carbon wire rods, it is the more recent Morgan innovations that are now starting to show significant benefits for many other wire rod grades. These developments include: Closed-loop process control systems of both the pre and post rolling water cooling systems, enabling much more precise temperature control through the last rolling stands. Design changes to the water cooling nozzles, enabling more efficient and better control of the rod temperature. Ability to roll to much tighter tolerances and at much lower temperatures than was possible on earlier generations of rolling mills because of advances from the Morgan RSM. Improved Stelmor design to enhance both accelerated cooling for high-carbon grades and retard cooling for hardenable grades.
机译：已经表明，现代线材轧机技术如何通过RSM轧制以及结合使用通过水箱和空气冷却系统进行精心控制的冷却，从而产生越来越多的钢种，这些钢种可以直接从轧机中使用，也可以通过大大减少了下游加工操作和成本。这是通过在轧制后创建最合适的钢微结构来实现的。为此，必须保持对整个再热，轧制和随后的冷却条件的仔细控制。确定工艺条件取决于钢种和性能要求。尽管Stelmor〜R冷却系统多年来一直在发展进步，不断提高了轧制高碳线材的性能，但最近的摩根创新却开始对其他许多方面显示出显着优势盘条等级。这些发展包括：轧前和轧后水冷却系统的闭环过程控制系统，通过最后一个轧机机架实现更精确的温度控制。对水冷却喷嘴进行设计更改，从而可以更高效，更好地控制杆温度。由于摩根RSM的进步，与前几代轧机相比，能够以更严格的公差和更低的温度轧制。改进的Stelmor设计可增强高碳钢种的加速冷却和可淬火钢种的延迟冷却。

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