The paper analyzed the influence of sawing speed and tooth shape of flying saw on producing burr of roll-forming section steel, and briefly introduced the better effects achieved.

• 针对冷弯型钢生产飞锯锯切断面产生毛刺的问题，分析了锯切线速度，锯齿形状等因素对产生毛刺的影响，并简要介绍了南京轧钢总厂冷弯型钢分厂采取相应措施后锯切毛刺很小或无毛刺的良好效果。