Sheet material stretch bending experimental apparatus

The utility model discloses a sheet material stretch bending experimental apparatus, comprises a workbench, still including locating the feed unit on the workstation, tensile unit and mould, feed unit, tensile unit and mould are the angular form and distribute on the workstation, feed unit is including feeding the extensible member and locating the anchor clamps that feed that feed the extensiblemember tip, the tension clamp that tensile unit includes tensile extensible member and locates tensile extensible member tip, tensile extensible member and workstation hub connection, need not the punching machine, and it is adjustable to test the parameter, and the sheet material that uses this experimental apparatus to make can be used to harm the research of defect. 本实用新型公开了种板料拉弯实验装置，包括工作台，还包括设于工作台上的进给单元、拉伸单元和模具，进给单元、拉伸单元和模具在工作台上呈角形分布，进给单元包括进给伸缩件和设于进给伸缩件端部的进给夹具，拉伸单元包括拉伸伸缩件和设于拉伸伸缩件端部的拉伸夹具，拉伸伸缩件与工作台轴连接，无需冲压机，且实验参数可调，且使用该实验装置制成的板料可用于损伤缺陷的研究。