焊錫原理 - 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
焊han錫xi實shi際ji上shang是shi一yi種zhong錫xi鉛qian合he金jin,即ji金jin屬shu錫xi和he金jin屬shu鉛qian按an照zhao一yi定ding的de比bi例li混hun合he合he成cheng的de合he金jin金jin屬shu,一yi般ban金jin屬shu錫xi是shi主zhu要yao材cai料liao。錫xi鉛qian合he金jin的de熔rong點dian會hui比bi純chun錫xi的de熔rong點dian低di,而er且qie還hai能neng增zeng加jia焊han料liao的de柔rou韌ren性xing,這zhe樣yang就jiu便bian於yu焊han接jie。隨sui著zhe現xian代dai科ke技ji的de發fa展zhan,很hen多duo傳chuan統tong的de製zhi作zuo工gong藝yi現xian如ru今jin都dou交jiao由you機ji器qi代dai替ti,整zheng個ge製zhi作zuo過guo程cheng都dou是shi自zi動dong化hua的de。
焊接時一個很講究技藝的工藝活,是一個較為複雜的過程,焊接過程可分為三步。
首(shou)先(xian)是(shi)把(ba)已(yi)經(jing)熔(rong)化(hua)了(le)的(de)焊(han)錫(xi)粘(zhan)黏(nian)在(zai)被(bei)焊(han)接(jie)金(jin)屬(shu)表(biao)麵(mian),形(xing)成(cheng)一(yi)層(ceng)附(fu)著(zhe)層(ceng),並(bing)且(qie)要(yao)注(zhu)意(yi)的(de)是(shi)電(dian)路(lu)板(ban)的(de)表(biao)麵(mian)一(yi)定(ding)要(yao)清(qing)潔(jie),不(bu)能(neng)有(you)氧(yang)化(hua)物(wu)或(huo)汙(wu)染(ran)物(wu),焊(han)接(jie)金(jin)屬(shu)表(biao)麵(mian)也(ye)要(yao)清(qing)潔(jie)幹(gan)淨(jing),如(ru)此(ci)才(cai)能(neng)很(hen)好(hao)的(de)實(shi)現(xian)潤(run)濕(shi)的(de)效(xiao)果(guo)。
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從上文我們可以知道要看金屬能否焊接有兩個條件1.采用的焊料是不是能夠與焊件結合形成化合物;2.要能去除焊點上的殘留物。
