采用控制轧制工艺时，为了防止原始奥氏体晶粒过分长大，一般采用较低的加热温度和开轧温度。由于开轧温度高，变形后的奥氏体晶粒会发生再结晶而细化，如在这个阶段停止变第八节控制轧制技术形，轧钢设备型号，轧件即随温度下降而产生相变。
In order to prevent the original austenite grain growing too much， the lower heating temperature and rolling temperature are generally adopted in the rolling process. Due to the high rolling temperature， the austenite grain after the deformation will be recrystallized and refined. For example， the eighth section rolling technology is stopped at this stage， and the phase change is produced as the temperature drops.
切分刀粘钢是如何引起的？（1）切分孔型老化，切分孔出来的料在切分契尖处较厚，增加了切分刀的切分负荷；（2）切分道和孔型不对中，使切分刀不能顺利切开料型，轧钢设备，引起粘钢；（3）切分处冷却水冷却效果不好，导致粘钢；（4）料型控制不好，或有条头和开花头现象，使切分刀不能顺利切开料型。
How does the slitting tool stick to the steel? (1) the slitting hole is aging. The cutting hole is thicker at the cut point and the cutting load is thicker. (2) the cutting section and the pass are not in the middle， so that the cutting tool can not cut the material well and cause the sticky steel. (3) the cooling effect of the cooling water is not good， and (4) the of the material type is not good，轧钢设备谁家好， or there is a strip head and the flower head phenomenon， so that the cutting knife can"t go **oothly. Cut the material type.
以一些小型冷轧机来说，由于它们大可配置75KW的电机，因此设备的轧制速度大也就达到3米每秒。而一些大型高延性盘螺冷轧机生产线来说的话，其电机的功率本身就很大.
For some **all cold rolling mills， because they can be configured with the largest 75KW motor， the rolling speed of the equipment is as high as 3 meters per second. For some large high ductile cold rolling mill production lines， the power of the motor itself is very large.
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