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波峰焊接的PCB板焊盘设计要求

作者: 东莞顺达诚自动化科技有限公司发表时间:2019-11-14 11:36:50浏览量:94

  波峰焊接的PCB板焊盘设计要求   PCB板焊盘图形设计好坏是造成焊接中拉尖、桥连、吃锡不良的主要因素;   1、焊盘形状一般要考虑与孔的形状相适应,而孔的形状一般要与元件线的形状相对应。常见形状有:...

  波峰焊接的PCB板焊盘设计要求

  PCBBANHANPANTUXINGSHEJIHAOHUAISHIZAOCHENGHANJIEZHONGLAJIAN、QIAOLIAN、CHIXIBULIANGDEZHUYAOYINSU;

  1、HANPANXINGZHUANGYIBANYAOKAOLVYUKONGDEXINGZHUANGXIANGSHIYING,ERKONGDEXINGZHUANGYIBANYAOYUYUANJIANXIANDEXINGZHUANGXIANGDUIYING。CHANGJIANXINGZHUANGYOU:LEIDIXING、YUANXING、JUXING、ZHANGYUANXING。

  2、HANPANYUTONGKONGRUOBUTONGXIN,ZAIHANJIEZHONGYICHUXIANQIKONGHUOHANDIANSHANGXIBUJUNYUN,XINGCHENGYUANYINSHIJINSHUBIAOMIANDUIYETAIHANLIAOXIFULIBUTONGSUOZAOCHENGDE。

  3、YUANJIANYINJIAOZHIJINGYUKONGJINGJIANDEJIANXIDAXIAOYANZHONGYINGXIANGHANDIANDEJIDIANXINGNENG,HANJIESHIHANLIAOSHITONGGUOMAOXIZUOYONGSHANGSHENGDAOPCBBIAOMIANXINGCHENGDE。GUOXIAODEJIANXIHANLIAONANYICHUANTOUKONGJINGZAITONGBOBEIMIANRUNSHI,GUODADEJIANJUJIANGSHIYUANJIANYINJIAOYUHANPANJIEHEDEJIXIEQIANGDUBIANRUO。TUIJIANQUZHIWEI0.05-0.2mmZHIJIAN;AICHAJIANKEQUZHI0.3-0.4mmZHIJIAN,JIANXIDAQUZHIBUNENGCHAOGUO0.5mmYISHANG。

  4、HANPANYUTONGKONGZHIJINGPEIHEBUDANG,JIANGYINGXIANGHANDIANXINGZHUANGDEFENGMANCHENGDU,CONGERZHIJIEYING DAOHANDIANDEJIXIEQIANGDU。

穷人赚钱门路   5、XIANXINGSHEJISHIYAOQIUDAOXIANPINGHUAJUNYUN,JIANBIANGUODUBUKECHENGZHIJIAOHUORUIJIAOXINGDEJIZHUANGUODU,BIMIANHANJIESHIZAIJIANJIAOCHUCHUXIANYINGLIYINQITONGBOQIAOQU、BOLIHUODUANLIE。ZONGDELAIJIANG,XIANXINGSHISHEJIYINGZUNXUNHANLIAOLIUTONGSHUNCHANGDEYUANZE。

2019-11-14 94人浏览
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