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随着轧钢生产向连续化、高速度和自动化发展,近年来人们都在研究、探讨、试验无头轧制,其原理就是在连续式轧钢生产过程中,在钢坯进入轧机之前,利用固定式或飞动式特制焊接装置,将常温或高温(1150～1200℃)的坯料前端与正在轧机中轧制的另一根钢坯的尾端迅速对焊起来,使原先分段轧制的钢坯在生产中实现长时间的连续式的无头轧制,直到孔型报废为止,连续时间可达几个至几十个昼夜。
With the continuous, high-speed and automated development of rolled steel production, people have been studying, exploring and experimenting with endless rolling in recent years. The principle is that in the continuous rolling production process, before the billet enters the rolling mill, Flying special welding equipment, the normal temperature or high temperature (1150 ~ 1200 ℃) of the front end of the blank and is being rolled in the rolling of the other end of the billet quickly welded together, so that the original segmented rolling billet in production Achieve long-term continuous endless rolling, until the hole scrapping up to several consecutive days up to several dozens of day and night.