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U形件 含CAD图纸、说明书 LB7 固定 冲压 成形 工艺 模具设计 CAD 图纸 说明书

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河南机电高等专科学校毕业设计说明书固定板冲压成形工艺及模具设计摘要：通过对该零件模具的设计，进一步加强了设计者冲裁模设计的基础知识，为设计更复杂的冲裁模具做好了铺垫和吸取了更深刻的经验。本设计运用冲压工艺及模具设计的基础知识，首先分析了工件的工艺要求，为选取排样的类型做好了准备；然后估算了板料的选取，便于导尺的宽度及确定排样的方法；最后分析了工件的特征，确定模具的设计参数、设计要点及卸料装置。从控制制件的尺寸精度出发，对工作零件的主要的尺寸进行了理论计算，并用CAD软件进行各重要零件的设计。该模具为级进模,在一次冲裁时，三个孔同时冲出，冲裁力非常大，为了降低冲裁力，采用阶梯冲裁。关键词：冲裁模具 ；模具设计；模具结构；Belaying cleat extrude moding designABSTRACT：Through parts mold design, further strengthening the designers Die basis for the design of knowledge, for the design of more complex stamping die has laid a good groundwork and learned a more profound experience. This design and use of die stamping process designed on the basis of knowledge, the first analysis of the technological requirements of the workpiece, To select the type of layout well prepared; then estimate the sheet metal selection, facilitate I. foot width and determine the layout; Finally, the workpiece characteristics, and the mold design parameters, Design and unloading devices. The size accuracy that is from the control system piece set out, to work spare parts of main of the size carried on theories calculation and counteract CAD software to carry on each importance spare parts of design.That die are compound blank and pierce dies.so while hurtling to cut once, the bore is special many, hurtle to cut dint also very big, for lowering to blank pressure, adopt stairs to