本文來自專業焊錫廠綠誌島焊錫金屬有限公司 2015-9-28
使shi用yong免mian清qing洗xi助zhu焊han劑ji,其qi焊han錫xi工gong藝yi雖sui與yu普pu通tong助zhu焊han劑ji沒mei有you太tai大da差cha異yi,但dan是shi焊han錫xi的de方fang式shi方fang法fa卻que要yao注zhu意yi需xu滿man足zu免mian清qing洗xi技ji術shu的de要yao求qiu。免mian清qing洗xi助zhu焊han劑ji在zai焊han接jie時shi,是shi怎zen樣yang的de情qing況kuang呢ne,一yi起qi來lai了le解jie一yi下xia吧ba。
為wei了le能neng達da到dao更geng好hao的de免mian清qing洗xi效xiao果guo,助zhu焊han劑ji的de使shi用yong需xu要yao嚴yan格ge管guan控kong,特te別bie是shi兩liang個ge重zhong要yao參can數shu,一yi個ge是shi固gu態tai含han量liang,還hai有you一yi個ge是shi塗tu敷fu量liang。一yi般ban來lai說shuo,助zhu焊han劑ji的de塗tu敷fu方fang式shi有you兩liang種zhong,發fa泡pao式shi和he噴pen霧wu法fa。要yao注zhu意yi在zai免mian清qing洗xi工gong藝yi中zhong,是shi不bu可ke以yi使shi用yong發fa泡pao法fa的de。因yin為wei若ruo使shi用yong發fa泡pao法fa,助zhu焊han劑ji就jiu要yao放fang置zhi在zai敞chang開kai的de容rong器qi內nei,因yin為wei免mian清qing洗xi助zhu焊han劑ji的de溶rong劑ji含han量liang很hen高gao,很hen容rong易yi揮hui發fa,這zhe就jiu使shi得de助zhu焊han劑ji裏li的de固gu態tai含han量liang升sheng高gao。所suo以yi若ruo想xiang在zai生sheng產chan過guo程cheng中zhong用yong比bi重zhong法fa控kong製zhi助zhu焊han劑ji的de成cheng分fen保bao持chi不bu變bian,這zhe是shi有you些xie難nan度du的de,並bing且qie溶rong劑ji的de大da量liang揮hui發fa是shi一yi種zhong汙wu染ran和he浪lang費fei。
第(di)二(er)個(ge)原(yuan)因(yin)是(shi)因(yin)為(wei)免(mian)清(qing)洗(xi)助(zhu)焊(han)劑(ji)的(de)固(gu)態(tai)含(han)量(liang)非(fei)常(chang)低(di),不(bu)利(li)於(yu)發(fa)泡(pao)。第(di)三(san)是(shi)塗(tu)敷(fu)時(shi)不(bu)能(neng)控(kong)製(zhi)助(zhu)焊(han)劑(ji)的(de)塗(tu)敷(fu)量(liang),導(dao)致(zhi)塗(tu)敷(fu)不(bu)均(jun)與(yu),過(guo)量(liang)的(de)助(zhu)焊(han)劑(ji)殘(can)留(liu)在(zai)PCB板麵的邊緣處,根本無法達到理想的免清洗效果。
suoyixiangbizhixia,penwufashijiaoweishiyongyumianqingxizhuhanjidetufude。jiangzhuhanjifangzhizaiyigemifengdejiayarongqizhong,tongguopenkoupenshechuwuzhuangdezhuhanji,tufuzaiPCB板麵上,並且噴射器的噴射量、噴pen射she寬kuan度du以yi及ji霧wu化hua程cheng度du都dou是shi可ke以yi進jin行xing調tiao節jie的de,可ke以yi精jing準zhun的de控kong製zhi助zhu焊han劑ji的de量liang。使shi用yong噴pen霧wu法fa,塗tu敷fu在zai板ban麵mian上shang的de助zhu焊han劑ji很hen均jun勻yun,這zhe就jiu保bao證zheng了le焊han接jie後houPCB板麵能滿足免清洗工藝的要求。
要yao知zhi道dao助zhu焊han劑ji是shi被bei密mi封feng在zai容rong器qi內nei的de,這zhe就jiu不bu需xu要yao考kao慮lv溶rong劑ji的de揮hui發fa和he吸xi收shou大da氣qi中zhong的de水shui分fen,這zhe樣yang就jiu能neng夠gou保bao持chi助zhu焊han劑ji的de成cheng分fen比bi例li不bu變bian,於yu發fa泡pao法fa相xiang比bi能neng減jian少shao近jin一yi半ban的de稀xi釋shi劑ji用yong量liang。所suo以yi說shuo免mian清qing洗xi助zhu焊han劑ji在zai進jin行xing焊han錫xi時shi適shi宜yi采cai用yong噴pen霧wu塗tu敷fu法fa。最zui後hou還hai有you一yi個ge安an全quan提ti醒xing,助zhu焊han劑ji中zhong含han有you較jiao多duo的de易yi燃ran性xing溶rong劑ji,形xing成cheng霧wu狀zhuang時shi也ye到dao帶dai有you爆bao燃ran的de危wei險xian性xing,所suo以yi使shi用yong時shi注zhu意yi要yao有you良liang好hao的de排pai風feng設she施shi以yi及ji保bao險xian的de消xiao防fang工gong具ju。安an全quan生sheng產chan,從cong細xi節jie做zuo起qi。
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綠(lv)誌(zhi)島(dao)焊(han)錫(xi)廠(chang)發(fa)布(bu)的(de)新(xin)聞(wen)資(zi)料(liao)除(chu)原(yuan)創(chuang)外(wai),有(you)部(bu)分(fen)是(shi)從(cong)網(wang)絡(luo)中(zhong)收(shou)集(ji)得(de)到(dao)的(de),版(ban)權(quan)歸(gui)原(yuan)作(zuo)者(zhe)及(ji)原(yuan)網(wang)站(zhan)所(suo)有(you)。綠(lv)誌(zhi)島(dao)焊(han)錫(xi)廠(chang)承(cheng)諾(nuo)會(hui)盡(jin)可(ke)能(neng)注(zhu)明(ming)信(xin)息(xi)來(lai)源(yuan),部(bu)分(fen)資(zi)源(yuan)因(yin)操(cao)作(zuo)上(shang)的(de)原(yuan)因(yin)可(ke)能(neng)丟(diu)失(shi)了(le)原(yuan)有(you)信(xin)息(xi),敬(jing)請(qing)原(yuan)作(zuo)者(zhe)諒(liang)解(jie),若(ruo)您(nin)對(dui)綠(lv)誌(zhi)島(dao)焊(han)錫(xi)廠(chang)所(suo)載(zai)的(de)文(wen)章(zhang)資(zi)訊(xun)的(de)版(ban)權(quan)歸(gui)屬(shu)有(you)異(yi)議(yi),請(qing)立(li)即(ji)告(gao)知(zhi)綠(lv)誌(zhi)島(dao)焊(han)錫(xi)廠(chang),綠(lv)誌(zhi)島(dao)會(hui)尊(zun)重(zhong)您(nin)的(de)意(yi)見(jian)進(jin)行(xing)刪(shan)除(chu),同(tong)時(shi)向(xiang)您(nin)予(yu)以(yi)致(zhi)歉(qian)。