The results show that: the springback Angle of bent tube increases with the bending Angle, the gap between mandrel and tube, and the hardening coefficient, but decreases with the hardenability value.

结果表明：回弹角随弯曲角、芯棒与管壁间隙及材料硬化系数的增大而增大，随材料硬化指数的增大而减小。

youdao

The results show that: the springback Angle of bent tube increases with the bending Angle, the gap between mandrel and tube, and the hardening coefficient, but decreases with the hardenability value.

结果表明：回弹角随弯曲角、芯棒与管壁间隙及材料硬化系数的增大而增大，随材料硬化指数的增大而减小。

youdao