In order to acquire the local bending spring-back accuracy of sheet metal strip of a progressive die design, the thesis aims to build ironing depth simulation model in a bending deformation zone.
为解决级进模具使用的带料上的局部折弯回弹的精度问题，本文建立了折弯变形区的过压量模拟模型。
Small small-sized screw series, progressive, turning a series screw series, pressure rivet series, stamping nut series, spring series.
微小型螺丝系列，多工位螺丝系列，车削件系列，压铆系列，冲压件螺母系列。
The technology of the pull-spring parts was analyzed, the particular progressive structure and arrange layout was introduced.
分析了拉簧钩件的工艺性，介绍了其特殊级进模总体设计结构和排样方案。
The technology analysis was made on the soft spring located at the mid point. The method for design of the multi positions progressive die and the used effects are introduced.
对中点软定位簧零件进行了工艺分析，介绍了用于加工该零件的多工位级进模的结构设计思路及使用效果。
Through analyzing on the structure characteristics of the spring piece, designed a automatic feed progressive die.
介绍了在通用冲床上使用的漏斗式自动送料弯曲模的结构形式、工作过程和设计要点。
Through analyzing on the structure characteristics of the spring piece, designed a automatic feed progressive die.
介绍了在通用冲床上使用的漏斗式自动送料弯曲模的结构形式、工作过程和设计要点。
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