查阅和分析现有文献中给出的冲裁凸模强度校核公式，针对凸模抗压弯能力的强度校核问题进行了讨论。
Strength checking formula for blanking punch in current documents have been reviewed and the anti-bending ability of blanking punch is discussed.
本设计进行了冲孔、压弯、切断连续模的设计。
The design of punching, bending, cutting off consecutive modulus design.
在相同的压弯弯曲角度下，增大凹模支点的间距可以减小管坯截面的畸变。
At the same press bending Angle, the cross section distortion of the tubes decreases by increasing the distance between the die fulcrums.
在相同的压弯弯曲角度下，增大凹模支点的间距可以减小管坯截面的畸变。
At the same press bending Angle, the cross section distortion of the tubes decreases by increasing the distance between the die fulcrums.
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