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。
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。
Profile stretch-bending is widely used in automobile and aerocraft industry.
型材拉伸弯曲工艺在汽车、航空工业等领域中应用极为广泛。
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