LED用印制板控深孔的深度控制异常分析  

Abnormal analysis of depth control of depth control hole in LED PCB

作　　者：余小丰 郭志伟 赵强 徐杰 Yu Xiaofeng;Guo Zhiwei;Zhao Qiang;Xu Jie(Huizhou Zhongjing Electronic Technology Co.,Ltd.,Huizhou,Guangdong 516029)

机构地区：[1]惠州中京电子科技有限公司,广东惠州516029

出　　处：《印制电路信息》2022年第9期4-8,共5页Printed Circuit Information

摘　　要：在LED显示屏印制电路板制作中,解决与分析影响控深精度的因素至关重要,文章通过笔者的亲身经历从人、机、物、法、环五个方面进行分析,对影响机械钻孔控深钻的常见异常因素进行总结:包括工艺流程问题、钻针的钻尖角问题、铝片问题等,针对以上问题进行讨论分析并提出改进方案。In the manufacture of LED display screen PCB,the depth control precision of the depth control hole is very important to solve the problem and analyze the factors that affect the depth control precision.This paper analyzes the common abnormal factors that affect the depth control drilling of mechanical drilling from five aspects:man,machine,object,method and environment through the author's personal experience,including process flow problems,drill tip angle problems,aluminum sheet problems,etc.The above problems are discussed and analyzed,and the improvement scheme is put forward.

关 键 词：控深孔 控深精度 工艺流程 钻尖角 

分 类 号：TN41[电子电信—微电子学与固体电子学]