级进模具有结构紧凑、操作简单、生产效率高的特点，生产的零件符合要求。
Progressive die has the advantages of compact structure, simple operation, and high production efficiency characteristics, to meet the requirements of production parts.
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。
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.
比较简单的新闻工具，级进模具有较高的质量和艾菲布的优点缺陷的产品，特别适合大批量在很短的生产交货时间。
Comparing with simple press tool, progressive die has the advantages of high quality and efficiency of product, which is especially suitable for large-lot production in a short delivery time.
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