:1001-4934-(2004)01-0032-02李良福编译(,214151):实验证实了靠拉紧毛坯,与工具不接触冲压槽形截面零件并形成平斜壁的可能性斜壁的平面度是靠塑性拉伸保证的研制了实现该工艺过程的模具结构装有活动凸模的模具安装在大功率缓冲器的压力机上以夹紧毛坯的边缘:槽形截面零件;冲压;模具结构:TG386:BAbstract:Itispossibilitytostretchshapedgroovecross-sectionpartswithoutcontactwiththedietoformflatslopingwall.Theplasticitystretchingcanensurestheflatnessoftheslopingwall.Thediestructurewasalsodesigned.Diewithflexiblepunchwasfixedinpresswithlargepowerbuffertoclamptheedgeofblanks.Keywords:shapedgroovecrosssectionparts;stamping;diestructure0,(1)12,,3,h0,,,hh0,11凸缘2筒体3底部,,h0=2mm:2003-07-14:(1939~),,015mmh=2.15mm,2z2.15mm,13=30z=2.3mmhh0,zh2,,,1,slnr+hr,r/h!1s,,r/h,rmin,32DieandMouldTechnologyNo.12004rmin50%,,rmin45,22(a)(b),,,10%,,2mm∀30,,,,2,,,3:2379,56,31销柱2毛坯3凸模4反楔块5导向槽6凹模块7压板8挡块9导向槽10轴颈11顶杆12楔块,11,,,712,,,67,410,183:[1]!.∀.#∃%#&∋.()∗+,%#−∗∃.)∗/.0−%12)%%31∗4∋%5%6.7.∋&8[J].9.(.:,2002,(9):20~22.332004.N0.1