The top die is the important component of the complete set of pipe-bending die, the design of which directly impact the bending quality and the bending efficiency.
顶模是弯管全套模具的重要部件，它的设计直接影响弯管质量和弯管效率。
The movable matrix module of the bending die for round pipe was drawn precisely according to the rotation property of the particle.
按质点的转动性质精确绘制出圆管弯曲模活动凹模模块，便于数控线切割机一次完成凹模加工，缩短了制模周。
The structural feature and working process of the bending flaring die for conduct pipe was introduced.
介绍了导管弯曲扩口模的结构特点及模具工作过程。
Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
采用焊管作为管坯 ，焊管弯曲采用专用模具热弯 ，焊接采用等离子弧焊。超塑成形采用多层模结构 ，用模具来控制波形。
Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
采用焊管作为管坯 ，焊管弯曲采用专用模具热弯 ，焊接采用等离子弧焊。超塑成形采用多层模结构 ，用模具来控制波形。
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