Stretch-forming的意思|示意

Springback is a common phenomenon in bending process. It has been proved that stretch bending can decrease the springback effectively, which can improve the forming precision.

回弹是弯曲成形中普遍存在的现象，实践证明采用拉弯工艺可以有效地减小回弹，从而达到提高成形精度的目的。

Deformation mode is adjusted according to forming limit diagram (FLD) and maximum springback error, so the optimized one can be found, which in turn optimizes the stretch bending trajectory.

根据成形极限图和规定最大回弹超差量来调整变形模式，找到优化的变形模式和拉弯轨迹。

This causes clouds of gas, dirt and dust to be released, forming a tail of debris that can stretch for millions of miles.

这会造成瓦斯气体、灰尘和泥土的释放，形成一条延伸数百万哩的残留物尾巴。

By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending.

本文采用有限元模拟的方法，结合金属成形的塑性变形理论，深入分析了拉弯的成形机理，建立了用于转台式拉弯成形模拟的有限元模型。

To study the deformation behavior of skin parts during the process of stretch-forming, a 1mn numerical control skin stretch forming testing system was developed.

为研究蒙皮零件在拉伸成形过程中的变形行为，自行研制开发了1 MN数控蒙皮拉伸成形试验机系统。

At last, the author analyzes and studies numerical simulation of stretch bending forming with lateral compression.

在论文的最后进行了有侧压拉弯成形模拟的分析与探讨。