弯曲工艺和弯曲模具设计.docx
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弯曲工艺和弯曲模具设计.docx
安徽涉外经济职业学院课程论文弯曲工艺和弯曲模具设计课程名称:冲压工艺与模具设计学年学期:2012-2013第二学期系别:工程系专业班级:11级模具设计与制造(1)班姓名:学号:110704230授课教师签名:论文评分(百分制):目录TOC\o"1-3"\h\uHYPERLINK\l_Toc9946目录PAGEREF_Toc9946-3-HYPERLINK\l_Toc20494第一章冲压零件的工艺性分析PAGEREF_Toc20494-4-HYPERLINK\l_Toc2400
弯曲工艺和弯曲模具设计.pptx
2024/2/8Copyright©2003PearsonEducation,Inc.2024/2/8Copyright©2003PearsonEducation,Inc.2024/2/8Copyright©2003PearsonEducation,Inc.2024/2/8Copyright©2003PearsonEducation,Inc.2024/2/8Copyright©2003PearsonEducation,Inc.2024/2/8Copyright©2003PearsonEducation,I
弯曲工艺和弯曲模具设计.ppt
2021/9/252021/9/252021/9/252021/9/25弯曲成型工艺方法:压弯、折弯、拉弯、滚弯、辊弯3.1板料弯曲变形过程及变形特点3.1.1弯曲变形过程弯曲变形过程:如图3.1.2所示V形件的弯曲,随着凸模进入凹模深度的增大,凹模与板料的接触处位置发生变化,支点B沿凹模斜面不断下移,弯曲力臂l逐渐减小,接近行程终了,时弯曲半径r继续减小,而直边部分反而向凹模方向变形,直至板料与凸、凹模完全贴合。3.1.2板料弯曲变形特点通过网格试验观察弯曲变形特点(如图3.1.3)。2021/9/25
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弯曲工艺和弯曲模具设计精2024/10/2Copyright©2003PearsonEducation,Inc.2024/10/2Copyright©2003PearsonEducation,Inc.2024/10/2Copyright©2003PearsonEducation,Inc.2024/10/2Copyright©2003PearsonEducation,Inc.2024/10/2Copyright©2003PearsonEducation,Inc.2024/10/2Copyright©2003
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