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分析了弧剪刃剪切圆钢时轧件剪切端头产生压痕的原因，提出了运用杠杆原理，增加力臂长度，产生反弯曲力矩，以及提高剪切圆钢的端头质量的方法。
The reason of the indentation on the shearing end of the rolling stock is analyzed when the arc cutting edge cuts the round bar. The principle of using the lever, increasing the length of the arm, generating the anti-bending moment and improving the quality of the cutting round bar are analyzed .