自行车脚蹬内板复合模设计【11张图纸】【优秀】

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自行车脚蹬内板复合模设计

摘要：本文介绍了冷冲模具的结构、作用和特点。分析和设计冷冲模具的工艺、排样，各部分工艺力计算，以及冲压设备的选择。具体地分析了弹性元件的计算和选择以及模架选择。对主要工作零部件进行合理的工艺分析，并对多种方案进行分析和选择，从而选出最佳的设计方案。对主要工作机构进行理论数值计算。对主要的工作力进行校核。正确确定凸、凹模刃口尺寸及公差。

关键词：工艺分析 冲裁方案 理论计算

The design of compound die for inside board which is ridden on by bicycle

Abstract：In this paper, the structure, the function and the characteristic of the coldly flushes mold are introduced. Further ,the craft of the coldly flushes mold and the platoon type are analyzed, each part of crafts strength computation, as well as the choice of ramming equipment.The calculate of the elastic part and the choice of the mold frameworke specifically, Reasonable craft analysis is carried for primary spare parts. And the best design scheme is determined after analyzing several schemes. Theoretical values are calculated for main operating machines. The main working forces are examined and the dimension and tolerance of the cutting edges for the raised and concave die are determined correctly.

Keywords：Craft analysis  Punching scheme  Theoretical calculation