選用(yong)(yong)適當的(de)(de)(de)清(qing)(qing)(qing)洗(xi)劑對超聲波清(qing)(qing)(qing)洗(xi)效(xiao)(xiao)果(guo)影響(xiang)較(jiao)大。超聲清(qing)(qing)(qing)洗(xi)的(de)(de)(de)作用(yong)(yong)機制主要(yao)是空(kong)化(hua)(hua)作用(yong)(yong),除(chu)物(wu)質(zhi)的(de)(de)(de)主要(yao)成分、油垢或(huo)機體自身的(de)(de)(de)機械雜質(zhi)外,選擇的(de)(de)(de)清(qing)(qing)(qing)洗(xi)液(ye)(ye)(ye)(ye)(ye)必須考慮到(dao)清(qing)(qing)(qing)洗(xi)液(ye)(ye)(ye)(ye)(ye)的(de)(de)(de)粘度(du)和表面張力,才能起(qi)到(dao)空(kong)化(hua)(hua)作用(yong)(yong)。超聲清(qing)(qing)(qing)洗(xi)對清(qing)(qing)(qing)洗(xi)質(zhi)量的(de)(de)(de)要(yao)求很(hen)高,經(jing)常使用(yong)(yong)幾種不同(tong)的(de)(de)(de)清(qing)(qing)(qing)洗(xi)液(ye)(ye)(ye)(ye)(ye)在(zai)不同(tong)的(de)(de)(de)槽(cao)中或(huo)依次(ci)進行,每一(yi)(yi)種清(qing)(qing)(qing)洗(xi)液(ye)(ye)(ye)(ye)(ye)的(de)(de)(de)作用(yong)(yong)都不一(yi)(yi)樣。舉例來說,三氯(lv)乙烯(xi)、氫氧化(hua)(hua)鈉(na)水(shui)(shui)溶液(ye)(ye)(ye)(ye)(ye)、合成洗(xi)滌劑、水(shui)(shui)、酒(jiu)精先后用(yong)(yong)來清(qing)(qing)(qing)洗(xi)光學元(yuan)件,丙酮(tong)及1*混合清(qing)(qing)(qing)洗(xi)液(ye)(ye)(ye)(ye)(ye),用(yong)(yong)來清(qing)(qing)(qing)洗(xi)半導體設備,用(yong)(yong)2*的(de)(de)(de)清(qing)(qing)(qing)洗(xi)液(ye)(ye)(ye)(ye)(ye)和去離子水(shui)(shui),經(jing)過多次(ci)清(qing)(qing)(qing)洗(xi),零件表面達到(dao)預期(qi)效(xiao)(xiao)果(guo)。
最常見的(de)方(fang)式就是(shi)將超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)浸(jin)(jin)入(ru)槽(cao)(cao)內,在(zai)含(han)有(you)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)液(ye)的(de)超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)槽(cao)(cao)內,由超(chao)(chao)聲(sheng)(sheng)(sheng)波換(huan)能(neng)器(qi)產(chan)生的(de)超(chao)(chao)聲(sheng)(sheng)(sheng)波振動由清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)槽(cao)(cao)底(di)部(bu)輻射到清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)液(ye)中(zhong)(zhong)。尤其(qi)適用于中(zhong)(zhong)小型零(ling)(ling)件(jian)(jian)。對(dui)(dui)大(da)小、重量較(jiao)大(da)的(de)零(ling)(ling)件(jian)(jian),可(ke)(ke)采(cai)用局(ju)部(bu)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)的(de)方(fang)法,即將零(ling)(ling)件(jian)(jian)浸(jin)(jin)入(ru)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)液(ye)中(zhong)(zhong)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi),未(wei)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)部(bu)分浸(jin)(jin)在(zai)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)液(ye)中(zhong)(zhong),直至(zhi)完(wan)全清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)。另(ling)外一種(zhong)(zhong)方(fang)法是(shi)根據大(da)尺寸零(ling)(ling)件(jian)(jian)形狀(zhuang)及局(ju)部(bu)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)的(de)需要,設計特(te)殊形狀(zhuang)的(de)超(chao)(chao)聲(sheng)(sheng)(sheng)換(huan)能(neng)器(qi),實現局(ju)部(bu)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)。對(dui)(dui)具有(you)嚴格清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)要求的(de)零(ling)(ling)件(jian)(jian),在(zai)不同(tong)的(de)槽(cao)(cao)內采(cai)用多種(zhong)(zhong)不同(tong)的(de)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)液(ye)進行超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)。另(ling)外,還可(ke)(ke)以(yi)使用其(qi)他的(de)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)方(fang)法,例如加熱浸(jin)(jin)洗(xi)(xi)(xi)(xi)(xi)(xi),超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)等(deng)。對(dui)(dui)含(han)有(you)特(te)厚油脂的(de)零(ling)(ling)件(jian)(jian),一般先用熱浸(jin)(jin)洗(xi)(xi)(xi)(xi)(xi)(xi)或高溫噴洗(xi)(xi)(xi)(xi)(xi)(xi),再(zai)用超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)。對(dui)(dui)某些(xie)零(ling)(ling)件(jian)(jian)形狀(zhuang)過于復(fu)雜,如孔、孔角不一致等(deng),可(ke)(ke)采(cai)用一次多次清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi),即在(zai)不同(tong)超(chao)(chao)聲(sheng)(sheng)(sheng)頻(pin)率(lv)下清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)(xi)。
清(qing)(qing)洗(xi)(xi)(xi)液(ye)的(de)超(chao)聲(sheng)振動(dong)頻(pin)率(lv)對(dui)超(chao)聲(sheng)清(qing)(qing)洗(xi)(xi)(xi)效(xiao)果有很大的(de)影響,這是因為它對(dui)空化(hua)的(de)影響很大。通常用(yong)在20kHz左右。約20kHz時(shi)容易產生氣穴,清(qing)(qing)洗(xi)(xi)(xi)效(xiao)果明顯。但(dan)是對(dui)表面要(yao)求高(gao)、孔徑或縫隙小(xiao)的(de)產品,宜使用(yong)短波、能(neng)量集中的(de)高(gao)頻(pin)超(chao)聲(sheng)波清(qing)(qing)洗(xi)(xi)(xi),有時(shi)頻(pin)率(lv)可達800KHz。但(dan)高(gao)頻(pin)超(chao)聲(sheng)振動(dong)在清(qing)(qing)洗(xi)(xi)(xi)液(ye)中衰(shuai)減大,作用(yong)距離短,空化(hua)強度小(xiao),清(qing)(qing)洗(xi)(xi)(xi)效(xiao)率(lv)低(di)。另外,由(you)于(yu)高(gao)頻(pin)指向性引起(qi)的(de)“陰影”區域,部分部件不能(neng)清(qing)(qing)潔(jie)。采用(yong)無頻(pin)率(lv)跟蹤超(chao)聲(sheng)清(qing)(qing)洗(xi)(xi)(xi)裝置時(shi),需(xu)要(yao)對(dui)發生器(qi)頻(pin)率(lv)進(jin)行調節,使其輸(shu)出信號(hao)的(de)頻(pin)率(lv)與傳感器(qi)的(de)固有振動(dong)頻(pin)率(lv)一致。這時(shi),空泡效(xiao)應最強。清(qing)(qing)潔(jie)液(ye)中可見大量積聚的(de)白色(se)物質。手指頭(tou)像一根(gen)針一樣。
高(gao)(gao)功率(lv)密(mi)度的超聲清(qing)(qing)(qing)洗(xi)(xi)(xi)是提高(gao)(gao)超聲清(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)率(lv)的有效(xiao)途徑。然而,功率(lv)密(mi)度過(guo)(guo)高(gao)(gao)會由(you)于(yu)氣蝕(shi)過(guo)(guo)強而對(dui)工(gong)件(jian)(jian)(jian)表面造(zao)成侵(qin)蝕(shi)(即氣蝕(shi)腐蝕(shi)),對(dui)工(gong)件(jian)(jian)(jian)造(zao)成損(sun)害,尤其是對(dui)于(yu)有各(ge)種涂層的工(gong)件(jian)(jian)(jian)或鋁(lv)(lv)及鋁(lv)(lv)合金工(gong)件(jian)(jian)(jian)。能量密(mi)度過(guo)(guo)大(da)也不(bu)會產生(sheng)飽和效(xiao)應。對(dui)油污嚴重(zhong)、形狀復雜、深(shen)(shen)孔盲孔的零(ling)件(jian)(jian)(jian),清(qing)(qing)(qing)洗(xi)(xi)(xi)槽(cao)要深(shen)(shen)、清(qing)(qing)(qing)洗(xi)(xi)(xi)液粘度大(da)、功率(lv)密(mi)度大(da)。高(gao)(gao)頻率(lv)超聲清(qing)(qing)(qing)洗(xi)(xi)(xi)功率(lv)密(mi)度也很大(da)。能量密(mi)度可在用水或酒精清(qing)(qing)(qing)洗(xi)(xi)(xi)或漂(piao)洗(xi)(xi)(xi)時降低(di)。
由于(yu)清(qing)洗(xi)液的空化(hua)程度與(yu)溫(wen)度有關,溫(wen)度的升(sheng)高(gao)有利于(yu)汽蝕,但蒸氣(qi)壓力也相應增大。溫(wen)度過(guo)高(gao)會使氣(qi)穴減少。所以必(bi)須(xu)保持一定的溫(wen)度范圍(wei)。例(li)如水(shui)溶劑清(qing)洗(xi)液一般在(zai)45℃左右,三氯乙烯清(qing)洗(xi)液約75℃,水(shui)約60℃。對揮發性(xing)和易燃(ran)的清(qing)洗(xi)液,溫(wen)度不宜(yi)過(guo)高(gao)。
超聲清(qing)洗(xi)的(de)效果(guo)和質(zhi)量(liang)(liang)取決于超聲清(qing)洗(xi)的(de)時(shi)間。對于清(qing)洗(xi)質(zhi)量(liang)(liang)的(de)要(yao)求,時(shi)間過短。但(dan)是,零(ling)件(jian)表面氣蝕腐蝕嚴(yan)重,從(cong)而影響零(ling)件(jian)的(de)質(zhi)量(liang)(liang),延長使用(yong)壽命,不(bu)僅降低生產效率。油污染嚴(yan)重,形狀(zhuang)復雜(za)的(de)零(ling)件(jian),清(qing)洗(xi)時(shi)間要(yao)長。不(bu)同涂層的(de)鋁(lv)及鋁(lv)合(he)金零(ling)件(jian)的(de)清(qing)洗(xi)時(shi)間不(bu)宜(yi)過長。一般說來,表面光潔(jie)度(du)高(gao)的(de)零(ling)件(jian)的(de)油污較(jiao)少,清(qing)洗(xi)時(shi)間不(bu)宜(yi)過長。特定(ding)的(de)清(qing)潔(jie)時(shi)間要(yao)通過實(shi)驗(yan)確定(ding)。
為改善(shan)清(qing)洗(xi)(xi)效(xiao)果,并確保超聲波(bo)清(qing)洗(xi)(xi)裝置(zhi)的(de)(de)正(zheng)常(chang)使用,部件在(zai)清(qing)洗(xi)(xi)槽中(zhong)的(de)(de)位置(zhi)應引起重視。開始,要(yao)避(bi)免在(zai)超聲振(zhen)動(dong)(dong)輻(fu)射(she)面(mian)直接擠壓(ya)零件,使輻(fu)射(she)面(mian)無法產生預(yu)期的(de)(de)振(zhen)動(dong)(dong),導致(zhi)清(qing)洗(xi)(xi)裝置(zhi)無法正(zheng)常(chang)工作。對較重的(de)(de)部件尤其(qi)重要(yao)。部件由(you)(you)專(zhuan)用工具吊在(zai)清(qing)洗(xi)(xi)槽內(nei),并盡可能接近(jin)表面(mian)。第(di)(di)二,關鍵的(de)(de)清(qing)洗(xi)(xi)部位必須對準超聲波(bo)源(yuan)。三是要(yao)考慮清(qing)潔后污物(wu)能夠順利(li)排(pai)放。第(di)(di)四,使清(qing)洗(xi)(xi)液(ye)(ye)在(zai)清(qing)洗(xi)(xi)槽內(nei)的(de)(de)對流。使用循(xun)環連(lian)續補(bu)充清(qing)洗(xi)(xi)液(ye)(ye)的(de)(de)方法時,進液(ye)(ye)速度不宜過(guo)快,否則由(you)(you)于補(bu)充的(de)(de)清(qing)洗(xi)(xi)液(ye)(ye)中(zhong)氣(qi)體較多,氣(qi)穴就會減弱。
在盲(mang)孔(kong)(kong)清(qing)洗時,應先在盲(mang)孔(kong)(kong)內注(zhu)入清(qing)洗液,然(ran)后將盲(mang)孔(kong)(kong)對(dui)準(zhun)超聲(sheng)源。清(qing)潔時,要始終將清(qing)洗液注(zhu)入孔(kong)(kong)內,以(yi)達到顯著的效果(guo)。
超音波清洗槽應避(bi)免撞擊及快速冷卻(que)加熱,以免損(sun)壞與傳感器(qi)的連接。對某些零件(jian)進行超聲清洗時,應進行消磁處理,否則殘余鐵屑不(bu)易清除。
超聲清洗質量(liang)檢查(cha)主要是檢查(cha)被清潔零件表(biao)面(mian)的污垢殘留(liu)。
廣東固特超聲(sheng)股份有(you)限(xian)公司現已成為集超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)應用技(ji)(ji)術(shu)(shu)(shu)研(yan)究、超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清洗機(ji)(ji)設備研(yan)發、生產(chan)(chan)、銷售(shou)和技(ji)(ji)術(shu)(shu)(shu)服務于(yu)一(yi)體的(de)(de)國家(jia)高(gao)新技(ji)(ji)術(shu)(shu)(shu)企(qi)(qi)業(ye)。公(gong)司(si)在(zai)(zai)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)行(xing)業(ye)中占有一(yi)定的(de)(de)地位,作(zuo)為業(ye)界(jie)公(gong)認(ren)的(de)(de)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清洗技(ji)(ji)術(shu)(shu)(shu)解(jie)決方案專家(jia),固特超(chao)聲(sheng)(sheng)(sheng)(sheng)于(yu)2015年率(lv)先在(zai)(zai)新三板掛(gua)牌上市。是擁有專業(ye)研(yan)發團隊的(de)(de)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清洗機(ji)(ji)廠家(jia),率(lv)先提出健康家(jia)用超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清洗機(ji)(ji)品類并(bing)開發了(le)百款產(chan)(chan)品,是商用超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清洗機(ji)(ji)、工業(ye)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清洗機(ji)(ji)、超(chao)聲(sheng)(sheng)(sheng)(sheng)環保設備尤(you)其是超(chao)聲(sheng)(sheng)(sheng)(sheng)除垢設備領域行(xing)業(ye)翹楚,擅長產(chan)(chan)業(ye)資本和金融資本的(de)(de)對接,致力于(yu)成為超(chao)聲(sheng)(sheng)(sheng)(sheng)清洗綜合服務領軍(jun)企(qi)(qi)業(ye)。