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1·Stretch forming is the basic method for aircraft skin.

拉伸成形是飞机板金的基本成形方法。

2·Loading trajectory is the key factor for aircraft skin stretch forming.

加载轨迹是决定飞机蒙皮拉伸成形质量的关键因素。

3·In this paper, the pre and post process system (POPPS) for stretch forming simulation with FEM is presented.

介绍了飞机蒙皮拉形过程有限元分析软件的前后置处理系统POPPS。

4·The zone between the region contacted with bottom of the mould and the free forming region shows stretch forming and then transferred to plane strain state.

模底接触区与自由变形区交界处的大塑性变形区依次处于板料曲面内双向伸长变形和平面应变状态；

5·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。

6·The solid die can be replaced by multi-point die in the bend-stretch forming process of aluminum profiled material and these can save the cost and time of die fabrication for products.

铝合金型材的拉弯成形中，可以用多点模具代替实体模具，实现了一套模具成形多种零件的可能，节省大量的费用和时间。

7·The 3D elastic-plastic finite element model for the stretch forming of automobile wheel hub end housing was established, and the deep drawing process was numerically simulated by MARC software.

建立了汽车轮毂端盖拉伸成形三维弹塑性有限元模型，并利用MARC软件对其拉伸变形过程进行了数值模拟。

8·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。

9·Stretch bending has been widely applied in the manufacture of extrusions forming in the field such as aviation, aerospace, weapon and automobile.

拉弯成形工艺在航空、航天、武器装备和汽车型材弯曲件的制造中应用非常广泛。

10·A novel received beam forming method based on stretch processing and phase compensation in the presence of wideband signal and large scanning Angle is presented, and the realization chart is given.

提出了一种采用拉伸处理和相位补偿技术的宽带宽角接收波束形成新方法，给出了实现示意框图。