文档介绍：充值下载即送 CAD 图纸, QQ 36396305 共 29页第 1页摘要本设计为扣耳落料冲孔复合模及弯曲模设计。通过对该零件模具的设计,进一步加强了设计者冲压模设计的基础知识,为设计更复杂的冲压模具做好了铺垫和吸取了更深刻的经验。本设计运用冲压成形工艺及模具设计的基础知识,首先分析了冲压件的外形及用处性能要求,为选取模具的类型做好了准备;然后计算了冲压力,便于选取压力机;最后计算了制件的压力中心,确定模具的设计参数、设计要点及推出装置的选取。设计复合模,首先要设计条件排样图。扣耳展开后的形状简单。由于零件外形尺寸为自由尺寸对精度要求不高,为了提高材料的利用率减少冲裁力,虽然这时会使零件外形尺寸公差等级降低但是经过筹兼顾, 全面考虑。这里我们采用少废料排样。凹模采用整体式凹模,各冲裁的凹模孔均采用线切割机床加工,安排凹模在模架上的位置时要依据计算压力中心与模柄中心重合。关键词: 复合模、大批量、扣耳、少废料排样、导正销、卸料板充值下载即送 CAD 图纸, QQ 36396305 共 29页第 2页 Abstract : Thi s desi gn fal l s t he mat eri al punch hol es superposabl e di e and t he bendi ng di e desi gn for t he angl e iron. Through t o t hi ponent s mol d desi gn, furt her st rengt hened t he desi gner to fl ush the di e desi gn t he el ement ary knowl edge, for desi gned the pl ex rammi ng mol d t pl et e t he uphol st ery and t o absorb a more profound experi ence. Thi s desi gn the el ement ary knowl edge whi ch desi gns usi ng t he rammi ng formi ng craft and t he mol d, fi rst has anal yzed t he pressi ng part cont our and the use performance requi rement , for sel ect ed t he mol d the t ype to prepare for; Then has cal cul at ed t he rammi ng st rengt h, is advant ageous for sel ect s the press; The l ast count workpi ece cent er of pressure, t he defi ni t e mol d desi gn vari abl e, t he desi gn mai n poi nt and promot ed the inst al l ment the sel ect i on. The desi gn superposabl e di e, fi rst must a desi gn condi t i ons row of speci men map. The angl e i ron l aunches aft er t he shape to be si mpl e. Because ponent s ext ernal di mensi ons are not hi gh for the free si ze t o the preci si on request , i n order t o enhance t he mat eri al t he use fact or reduct i on bl anki ng force, but al t hough coul d cause t ponent s ext ernal di mensi ons grade of tol erance by now t o reduce t he process t o pl an t he proper at t ent i on t o bot h, comprehensi ve consi derat i on. Here we use a few wast e mat eri al row of type. The concave mol d uses t he i nt egral -t ype concave mol d, vari ous