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位置:现金网 -新闻资讯-公司新闻
现金网 波峰焊工艺参数设置
发布时间:2020-11-13

GONGYICANSHUDEQUEDINGDUIHANJIEZHILIANGYOUHENDAYINGXIANG。YIBANWUQIANBOFENGHANGONGYICANSHUHANJIEWENDU250~260℃,YUREWENDU 100-130℃,YURESHIJIAN 60 MIAOYISHANG,YUREWENSHENGSULV 3℃/MIAOYIXIA,LENGQUESULV 8-10℃/MIAO。

波峰焊的温度控制

波峰焊的温度并不等于锡炉温度,在线测试表面,一般焊接温度要比锡炉温度低5℃左右,也就是 250℃测量的润湿性能参数大致对应于 255℃的锡炉温度。通过实验表明,一般的无铅钎料合金,最适当的锡炉温度为 271℃。此时常用的无铅合金一般存在最小的润湿时间和最大的润湿力,如图 5-27 所示。当采用不同的助焊剂时,无铅钎料润湿性能最佳锡炉温度有所不同,但是差别不大。

BOFENGHANXILUDEWENDUDUIHANJIEZHILIANGYINGXIANGHENDA。WENDURUOPIANDI,HANXIBOFENGDELIUDONGXINGBIANCHA,BIAOMIANZHANGLIDA,YIZAOCHENGXUHANHELAJIANDENGHANJIEQUEXIAN,SHIQUBOFENGHANJIESUOYINGJUYOUDEYOUYUEXING。RUOWENDUPIANGAO,YOUKENENGZAOCHENGYUANJIANSUNSHANG,ZENGQIANGQIANLIAOYANGHUA。

 波峰焊接温度.png温度.png

 BUTONGWUQIANQIANLIAOZAIBUTONGWENDUXIADERUNSHILIHERUNSHISHIJIAN

 

DUIYUSn-0.7Cu QIANLIAOHEJIN+WUQIANZHUANYONGZHUHANJI/DI VOC ZHUHANJIZUHEERYAN,HANXICAODEZUIJIAWENDUWEI 260-270℃;FUHESHUANGMIANBANYIBANYAOBIDANMIANBANWENDUGAO 10~25℃ZUOYOU;WUQIANBOFENGHANZHONGZUIHAOSHIYONG Tg GAODEJIBANCAILIAO,YINWEIQIYOUGENGHAODEZUKANGNENGLI。WUQIANBOFENGHANDUIYUYUANQIJIANYINGXIANGBUSHIHENDA,TU 5-28 WEI SAC405 QIANLIAOZAIHANJIEWENDUXIADUIBUTONGCESHIDIANWENDUDECESHISHUJU,KEYIKANCHUJITIAOQUXIANWENDUXIANGJIN。

波峰高度

波峰焊温度曲线测试.png

WENDUQUXIANCESHIJIEGUO

 

BOFENGGAODUDESHENGGAOHEJIANGDIZHIJIEYINGXIANGDAOBOFENGHANDEPINGWENJIBOFENGBIAOMIANHANXIDELIUDONGXING。SHIDANGDEBOFENGHANGAODUKEYIBAOZHENG PCB YOULIANGHAODEYAXISHENDU,SHIHANDIANNENGCHONGFENYUHANXIJIECHU。PINGWENDEBOFENGHANKESHIZHENGKUAI PCB ZAIHANJIESHIJIANNEIDOUNENGDEDAOJUNYUNDEHANJIE。DANGBOFENGPIANGAOSHI, BIAOMIANYETAIQIANLIAOLIUSUZENGDA。LEINUOSHUZHIZENGDAJIANGSHIYETAILIUTIJINXINGTUANLIUZHUANGTAI,YIDAOZHIBOFENGBUWENDING,ZAOCHENG PCB MANXI,SUNHUAI PCB SHANGDEDIANZIYUANJIAN,DANSHIYOULIYUHANFENGDETIANCHONG,YIYINQILAJIAN、QIAOLIANDENGHANJIEQUEXIAN。BOFENGPIANDISHI,BENGNEIYETAIQIANLIAOLIUSUDIWEICENGLIUTAI,YINERBOFENGTIAODONGXIAO,PINGWEN。HANXIDELIUDONGXINGBIANCHA,RONGYICHANSHENGCHIXILIANGBUZU,HANDIANBUBAOMANDENGQUEXIAN。BOFENGGAODUTONGCHANGKONGZHIZAI PCB BANHOUDUDE 1/2~1/3。

浸锡时间

BEIHANBIAOMIANJINRUHETUICHURONGHUAQIANLIAOBOFENGDESUDUDUIRUNSHIZHILIANG,HANDIANDEJUNYUNXINGHEHOUDUYINGXIANGHENDA。QIANLIAOBEIXISHOUDAO PCB HANPANTONGKONGNEI,LIJICHANSHENGREJIAOHUAN。DANGYINZHIBANLIKAIBOFENGSHI,FANGCHUQIANRE,QIANLIAOYOUYEXIANGBIANWEIGUXIANG。DANGXILUWENDUZAI 250~260℃ZUOYOU,HANJIEWENDUJIUZAI 245℃ZUOYOU,HANJIESHIJIANWEI 3~5s ZUOYOU。KAOLVDAOHUANJINGWENDUDEBIANHUA,ZHUHANJIXINGNENGHEQIANLIAODEWENDU,JIECHUSHIJIANYEYOUSUOBUTONG。

冷却系统

WUQIANHUAZHIHOU,TONGKONGJIBANBOFENGHANJIESHICHANGCHANGHUIFASHENGBOLIQUEXIAN,QIYUANYINSHIYINWEIZAILENGQUEGUOCHENGZHONGQIANLIAOHEJINDELENGQUEYU PCB DELENGQUEBUPIPEI。CIWAIWUQIANQIANLIAOYUDUYOU Sn-Pb HEJINDEYUANJIANHUIGONGTONGCUNZAIYIDUANSHIJIAN,RUGUOCAIYONGHAN Bi WUQIANQIANLIAO,BOLIXIANXIANGGENGWEITUCHU。MUQIANJIEJUEDEZUIHAOBANFASHICHUKOUJIALENGQUEXITONG,CAIYONGJIAODALENGQUESULV。

HANHOUDELENGQUEHAICONGSANGEFANGMIANYINGXIANGQIANHANHANDIANXINGTAIHEHOUDU:(1)YINGXIANGHANDIANDEJINGLIDU。SHIDANGDEGUOLENGDUHUIZENGDAXINGHELV,XIHUAJINGLI,TIGAOHANDIANQIANGDU。(2)YINGXIANG IMC DEXINGTAIHEHOUDU。DUIYUTONGHANPANBIAOMIANCHANGCHANGHUIXINGCHENGYIZHONG η-Cu6Sn5 XIANGHUAHEWU,QIBUDUANZHANGDA,XINGCHENGIMC。SUIZHEKUOSANDEJINYIBUSHENRU,ZAITONGPANYU η-Cu6Sn5 ZHIJIANHUIXINGCHENGε-Cu3Sn XIANG。SHIYANBIAOMING,IMC HOUDUYIBANYI 1-3μm WEIYI。GUOHOUDEIMC HUIDAOZHIHANDIANDUANLIE,RENXINGHEKANGDIZHOUPILAONENGLIXIAJIANG,BINGQIECENGZHUANGDE Cu3Sn DIANZIHUAHEWUZECHENGCUIXING,HANJIEQIANGDUDI, DAODIANXINGNENGCHA,CONGERDAOZHIHANDIANKEKAOXINGXIAJIANG。(3)YINGXIANGDIRONGGONGJINGDEPIANXI。HANDIANJIEJINGGUOCHENGZHONGYOUYUHUAXUECHENGFENBUJUNYUNERWANGWANGDAOZHIPIANXICHANSHENG,ZAIJIASHANGDIRONGGONGJINGDECUNZAI,LENGQUEGUOCHENGZHONGZAOCHENGHANDIANNEIYINGLIERCHANSHENGHANJIELIEWEN。YIZHIPIANXIKEYICONGLIANGGEFANGMIANNULI:(1)YANZHIGUYEGONGCUNWENDUFANWEIXIAODEQIANLIAO;(2)TIGAOLENGQUESUDU,SHIQIANLIAOHEJINLAIBUJICHANSHENGPIANXIJIUYIJINGNINGGU。

LENGQUEXITONGYINGMANZUYIXIAJISHUYAOQIU:

1) QILIUYINGDINGXIANG,YINGBUDAOZHIQIANLIAOCAOBIAOMIANDEJULIESANRE;

2) FENGYAYINGSHIDANG,GUODAYICHANSHENGRAODONGHANDIAN;

3) LENGQUESUDUYAOQIUSHIZHONG,JISULENGQUEJIANGDAOZHIJIAODADEREYINGLIERSUNHUAIYUANQIJIAN。

MUQIANGUANGFANYINGYONGDELENGQUEFANGSHISHIQIANGZHIZIRANFENGLENGQUE,QILENGQUESUDUWEI 3-4℃/s,JIBENSHANGKEYIMANZUYIBAN PCB DEHANJIEYAOQIU,LINGWAIYIZHONGLENGQUEFANGSHISHICAIYONGQIANGZHILENGYUANLENGQUE,QILENGQUESUDUKEDA 8-10℃/s。DUIYUBIAOMIANZUZHUANGBIJIAOFUZADE PCB,HUOZHESHIDUOCENGBAN、HUNZHUANGBANJIANYICAIYONGZHEIZHONGLENGQUEFANGSHI,QILENGQUEXIAOGUOBIJIAOHAO。

传输系统

CHUANSHUDAISHIYITIAOANFANGZAIGUNZHOUSHANGDEJINSHUCHUANSONGDAI,TAZHICHENG PCB TONGGUOBOFENGHANJIEQUYU。CHUANSHUDAIBIXUPINGWEN,BINGWEICHIYIGEHENGDINGDESUDU。CHUANSHUDAIDESUDUHEJIAODUKEYIJINXINGKONGZHI。TONGGUOQINGJIAODEDIAOJIE,KEYIDIAOKONG PCB YUBOFENGMIANDEHANJIESHIJIAN。SHIDANGDEQINGJIAOYOUZHUYUYETAIQIANLIAOYU PCB GENGKUAIDETUOLI,SHIZHIFANHUIXILUNEI。DANGQINGJIAOTAIXIAOSHI,RONGYICHUXIANQIAOLIANDENGHANJIEQUEXIAN,ERQINGJIAOGUODA,SUIRANYOULIYUQIAOLIANDEXIAOCHU,DANSHIHANDIANCHIXILIANGTAISHAO,RONGYICHANSHENGXUHAN。GUIDAOQINGJIAOYINGKONGZHIZAI 5~7°ZHIJIAN。

GUIDAOCHUANSHUSUDUZAIBOFENGHANJIEGUOCHENGZHONGSHIYIGEFEICHANGZHONGYAODECANSHU,YINWEITADEGAIBIANJIANGYINGXIANGZHENGGEHANJIEWENDUQUXIAN。DANGCHUANSHUSUDUTAIKUAISHI,PCB SHANGZHUHANJIDETUFULIANGBUZU,YIJIYUREWENDUBUGOU,ZAIHANJIEGUOCHENGZHONGRONGYICHANSHENGRUNSHIBULIANG,DAOZHISHANGXIBUZU、LUHAN、LAJIANDENGHANJIEQUEXIAN。DANGCHUANSHUSUDUTAIMAN,YURESHIJIANTAIZHANG,DAOZHIZHUHANJIGUODUHUIFA,TONGYANGDAOZHISHANGXIBUZU、LUHAN,ERQIEJINXISHIJIANGUOZHANG,RONGYIDAOZHIQIAOLIAN。YIBANGUIDAOCHUANSHUSUDUFANWEIZAI1.2-1.4m/min。

助焊剂更换

SHENGCHANGUOCHENGZHONG,YOUYUKONGQIZHONGDESHUIFEN、HUICHEN,TONGBOJIYUANJIANYINXIANBIAOMIANDEXIFUQITI、XIFUSHUIMO、YANGHUAWU、YOUZHI、CHENAIDENGBUDUANJINRUZHUHANCAO,SHIZHUHANJIDEZAZHIHANLIANGHUIMANMANSHANGSHENG,DANGZAZHIHANLIANGDAYU 300×10P-6PSHIYINGYUYIGENGHUAN。


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