焊錫條如何減少焊錫渣 - 綠誌島—領先綠色科技
本文來自專業焊錫廠綠誌島焊錫金屬有限公司
以波峰焊為例,介紹在波峰焊焊錫工藝中,焊錫條gairuhejianshaohanxizhadechanshengne。shouxiancongyuanlishangjiang,bofengyuegaodehuayukongqijiechudehanximianyejiuyueda,fashengyanghuachengduyeyueyanzhong,namechanshengdehanxizhajiuhuiyueduo。suoyizaihanxishibofengbuyiguogao,yibangaodubuchaoyinshuadianlubanhoudude1/3就可以了,也就是說波峰頂端要超過印刷電路板焊接麵,但是不超過元器件焊接麵。
lingwairuguobofengbuwending,yetaihanxitiaocongfengdingxialuoshijiuhuidaikongqidaorongronghanxili,zhebufenkongqihuijiasuhanxitiaodeyanghua,yinzhibanbiaomiandefutonghedianziyuanqijianyinjiaoshangdetongdouhuibuduandirongjiezaihanxitiaozhong。xitongjinshuhuishengchengjinshujianhuahewu,gaihuahewuderongdianzai500℃以上,因此它是以固態形式存在的,並且因為密度的關係,該化合物會以豆渣狀浮於焊錫條液表麵。
因yin此ci除chu銅tong的de工gong作zuo就jiu很hen有you必bi要yao了le。首shou先xian是shi停ting止zhi波bo峰feng焊han作zuo業ye,錫xi爐lu的de加jia熱re裝zhuang置zhi繼ji續xu工gong作zuo,將jiang焊han錫xi爐lu表biao麵mian的de各ge種zhong殘can渣zha清qing理li幹gan淨jing,露lu出chu水shui銀yin狀zhuang的de幹gan淨jing鏡jing麵mian。然ran後hou調tiao低di焊han錫xi爐lu溫wen度du至zhi190-200℃(此時焊錫仍處於液態),之後用鐵勺等工具攪動焊錫1-2fenzhong,shihanxineibudexitonghuahewufuyuyemianshangranhoujingzhijigexiaoshi。xitonghuahewuyinweimidujiaoxiao,huifuyuhanxitiaorongyebiaomian,suoyikeyizhijieyongtieshaodenggongjujiangbiaomiandexitonghuahewuqingliganjing。
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