内齿圈壳体成形工艺与级进模设计+CAD图纸
毕业论文关键词： 级进模；拉伸-冲裁；工艺分析
Forming Process and Design of Drawing-Blanking Progressive Die for Shell with Inner Ring Gear
Abstract: One of the important manufacturing base mold chamber and national economic development. Stamping die design industry is a widely used, practical and important processing form, is the use of the press and mold die external force is applied to the material, so that deformation or separation, obtaining certain properties, shape and size of the parts forming method has important significance of technological progress and economic value. In this study design, the first part of the manufacturing process by analyzing deepen the understanding of the part, the development of post-processing programs by comparing the process to determine the appropriate program, understand blanking dies, drawing dies, plastic molds, punching molds and other features and related matters that require attention. Calculate the number of blank size and stretch, the program determines the procedures to calculate the operating pressure selected the appropriate pressure device designed inner ring gear housing drawing progressive die stamping, and use CAD draw stamping die assembly and parts drawings
Key words: progressive die; drawing-blanking; process analysis
目 录
1 绪论 1
1.1 模具行业与冲压技术的发展及应用1
1.2 级进模的特点及发展趋势2
1.3 本课题的目的及意义3
1.4 本课题的主要内容3
2 工艺分析及模具设计 5
2.1 冲压件的工艺分析5
2.2 工艺方案的分析和确定5
2.2.1 工艺方案的分析5
2.2.2 工艺方案的确定6
2.3 排样及送料方案的确定8
2.3.1 排样原则 8
2.3.2 排样搭边9
2.3.3 计算步距、条料宽度和材料利用率9
2.3.4 确定拉伸次数及拉伸凸、凹模圆角半径10
2.3.5 确定排样方案11
2.3.6 送料方案11
2.4 冲压力计算和压力机选择12
2.4.1 冲裁力的计算12
2.4.2 冲导正孔力的计算12
2.4.3 落料力的计算13
2.4.4 卸料力、顶件力的计算13
2.4.5 拉伸力的计算15
2.4.6 校平整形力的计算14
2.5 压力机的选择14
2.6 工件工艺卡片15
3 模具结构及设计 17
3.1 模具类型的选择18
3.2 模具工作零件的设计18
3.2.1 凸模、凹模的结构和固定形式18
3.2.2 凸模、凹模的外形尺寸的确定18
3.3 拉伸凸、凹模设计18
3.3.1 拉伸工序 18
3.4 冲裁落料工序凸凹模20
3.4.1 冲内齿工序20
3.4.2 冲外形工序21
3.5 模具定位零件的选择24
3.6 模具卸料零件的选择24
3.7 模具固定于紧固零件的选择24
3.8 模具导向零件的选择26
3.9 模具材料的选择26