覆盖层密集精密小孔冲压工艺及模具设计  

Blanking process and die design of densely and accurately small holes for coverlay

作　　者：杜继涛[1] 麦云飞[1] 

机构地区：[1]上海理工大学机械学院材料成型及控制教研室,2000931

出　　处：《现代制造工程》2003年第10期60-62,共3页Modern Manufacturing Engineering

摘　　要：阐述柔性印刷线路板 (FPCB)覆盖层四排密集精密小孔的冲压工艺 ,分析冲压产生孔边毛边、凹模强度低、凸模易断等问题 。Blanking process of densely and accurately four lines small holes for coverlay of FPCB was analyzed,and how to solve the problems,which quality and accuracy of hole edge were not easily ensured,die strength was low and punch easily was broken,were stated and optimal blanking process and die structure were designed

关 键 词：柔性印刷线路板 FPCB 覆盖层 冲压工艺 小孔 模具设计 冲孔 凸模 凹模 

分 类 号：TN41[电子电信—微电子学与固体电子学] TG38[金属学及工艺—金属压力加工]