轧辊激光毛化技术作为一种最新的轧辊毛化方法，具有广泛的应用前景。但由于加工方法的限制，目前的激光毛化技术产生的轧辊表面毛化点分布成一个周期性各向异性的分布，导致最后轧制的毛化冷轧薄钢板效果不理想。提出了一种可以产生随机频率随机能量激光的光纤激光控制方法，此方法通过一个高效的随机数算法产生一个随机频率和随机占空比的脉冲宽度调制信号控制激光器输出特定波形的激光进行毛化加工，能够使得毛化轧辊表面产生随机无序分布的毛化花纹，最终轧制的毛化冷轧薄钢板能够满足表面各向同性亚光的要求，并且还能够提高加工效率，基于该方法的毛化加工设备已在实际生产中得到应用并且取得良好效果。

The mill roll laser texturing is the newest mill roll texturing method which has broad application prospects. As the limit of processing method, the distribution of the craters on the surface of the mill roll is anisotropy and periodicity, which makes the surface of the texturing cold-roll steel not satisfy the needs. A fiber laser control method is proprsed to produce random frequency and power lasers. This method can control the fiber laser device output particular wave form laser by the pulse width modulation signal which is calculated by a pseudorandom algorithm. The surface of the mill roll produced by this method is isotropic and irregular which can reach the quality requirements. In addition, it can also improve production efficiency. The laser texturing equipment based on this method is applied in practice and makes well effect.