【摘要】 管材成形由于容易满足塑性成形产品轻量化、强韧化和低耗高效、精确制造等方面的要求 ,在航空航天、汽车工业等许多行业中得到广泛的应用。管材弯曲成形工艺的研究是其中备受关注并得到迅速发展的重要领域之一。介绍了几种新的弯管工艺 ,阐述了国内外弯管工艺的最新研究进展和发展趋势。更多还原

【Abstract】 With the characteristic of high efficiency, forming precision and strength/weight ratio product and low consumption, tube forming processes find an wide application in modem industries such as aero space and automobile. Tube bending process is one of the most important tube forming processes being researched and developed. Some new tube bending processes are introduced, as well as advancement and trend of relative research reported.更多还原