選用(yong)(yong)適當的(de)(de)(de)(de)(de)(de)清(qing)洗(xi)(xi)(xi)劑對超聲(sheng)波(bo)清(qing)洗(xi)(xi)(xi)效果影響較(jiao)大(da)。超聲(sheng)清(qing)洗(xi)(xi)(xi)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)機(ji)(ji)制(zhi)主(zhu)要(yao)(yao)是空(kong)(kong)化(hua)作(zuo)(zuo)用(yong)(yong),除物質的(de)(de)(de)(de)(de)(de)主(zhu)要(yao)(yao)成(cheng)分、油垢或(huo)機(ji)(ji)體自身的(de)(de)(de)(de)(de)(de)機(ji)(ji)械雜質外,選擇(ze)的(de)(de)(de)(de)(de)(de)清(qing)洗(xi)(xi)(xi)液(ye)必須(xu)考慮到(dao)清(qing)洗(xi)(xi)(xi)液(ye)的(de)(de)(de)(de)(de)(de)粘度(du)和(he)表面張力,才能(neng)起(qi)到(dao)空(kong)(kong)化(hua)作(zuo)(zuo)用(yong)(yong)。超聲(sheng)清(qing)洗(xi)(xi)(xi)對清(qing)洗(xi)(xi)(xi)質量的(de)(de)(de)(de)(de)(de)要(yao)(yao)求很高,經常(chang)使用(yong)(yong)幾種(zhong)不(bu)同的(de)(de)(de)(de)(de)(de)清(qing)洗(xi)(xi)(xi)液(ye)在不(bu)同的(de)(de)(de)(de)(de)(de)槽中或(huo)依(yi)次進行,每一(yi)種(zhong)清(qing)洗(xi)(xi)(xi)液(ye)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)都(dou)不(bu)一(yi)樣。舉例(li)來說,三氯乙烯、氫氧化(hua)鈉水(shui)溶液(ye)、合成(cheng)洗(xi)(xi)(xi)滌劑、水(shui)、酒精先后(hou)用(yong)(yong)來清(qing)洗(xi)(xi)(xi)光(guang)學元(yuan)件(jian),丙酮(tong)及1*混合清(qing)洗(xi)(xi)(xi)液(ye),用(yong)(yong)來清(qing)洗(xi)(xi)(xi)半(ban)導體設(she)備,用(yong)(yong)2*的(de)(de)(de)(de)(de)(de)清(qing)洗(xi)(xi)(xi)液(ye)和(he)去離子水(shui),經過多次清(qing)洗(xi)(xi)(xi),零件(jian)表面達到(dao)預期效果。
最(zui)常見的(de)(de)方(fang)(fang)式就是將超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)浸入槽(cao)內(nei),在含有清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)的(de)(de)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)槽(cao)內(nei),由(you)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波換能(neng)器產生(sheng)的(de)(de)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波振動由(you)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)槽(cao)底部(bu)輻射到清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)中(zhong)。尤其適用(yong)于中(zhong)小(xiao)型零(ling)(ling)件(jian)(jian)(jian)(jian)。對(dui)(dui)大小(xiao)、重(zhong)量較大的(de)(de)零(ling)(ling)件(jian)(jian)(jian)(jian),可采(cai)用(yong)局部(bu)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)的(de)(de)方(fang)(fang)法(fa),即將零(ling)(ling)件(jian)(jian)(jian)(jian)浸入清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)中(zhong)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),未清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)部(bu)分浸在清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)中(zhong),直(zhi)至完(wan)全(quan)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。另外一(yi)種(zhong)方(fang)(fang)法(fa)是根據大尺寸(cun)零(ling)(ling)件(jian)(jian)(jian)(jian)形(xing)狀(zhuang)(zhuang)及(ji)局部(bu)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)的(de)(de)需要(yao),設計特殊形(xing)狀(zhuang)(zhuang)的(de)(de)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)換能(neng)器,實現局部(bu)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。對(dui)(dui)具有嚴(yan)格(ge)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)要(yao)求的(de)(de)零(ling)(ling)件(jian)(jian)(jian)(jian),在不(bu)同的(de)(de)槽(cao)內(nei)采(cai)用(yong)多(duo)種(zhong)不(bu)同的(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)進行超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。另外,還可以使用(yong)其他的(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)方(fang)(fang)法(fa),例如加熱浸洗(xi)(xi)(xi),超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)等(deng)。對(dui)(dui)含有特厚油脂的(de)(de)零(ling)(ling)件(jian)(jian)(jian)(jian),一(yi)般先用(yong)熱浸洗(xi)(xi)(xi)或高溫(wen)噴洗(xi)(xi)(xi),再(zai)用(yong)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。對(dui)(dui)某些零(ling)(ling)件(jian)(jian)(jian)(jian)形(xing)狀(zhuang)(zhuang)過于復(fu)雜(za),如孔、孔角(jiao)不(bu)一(yi)致等(deng),可采(cai)用(yong)一(yi)次多(duo)次清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),即在不(bu)同超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)頻率下清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)。
清(qing)(qing)洗(xi)(xi)液的(de)(de)超(chao)(chao)聲(sheng)振動頻(pin)率(lv)對(dui)超(chao)(chao)聲(sheng)清(qing)(qing)洗(xi)(xi)效(xiao)果(guo)有(you)很大(da)(da)(da)的(de)(de)影響,這(zhe)是因為它對(dui)空(kong)(kong)化的(de)(de)影響很大(da)(da)(da)。通常用(yong)在20kHz左右(you)。約(yue)20kHz時容易產生氣(qi)穴,清(qing)(qing)洗(xi)(xi)效(xiao)果(guo)明顯。但(dan)是對(dui)表(biao)面要求高、孔徑或縫隙(xi)小的(de)(de)產品,宜使用(yong)短波、能(neng)量(liang)集中的(de)(de)高頻(pin)超(chao)(chao)聲(sheng)波清(qing)(qing)洗(xi)(xi),有(you)時頻(pin)率(lv)可達(da)800KHz。但(dan)高頻(pin)超(chao)(chao)聲(sheng)振動在清(qing)(qing)洗(xi)(xi)液中衰(shuai)減大(da)(da)(da),作用(yong)距離短,空(kong)(kong)化強(qiang)度(du)小,清(qing)(qing)洗(xi)(xi)效(xiao)率(lv)低。另(ling)外,由于高頻(pin)指(zhi)向性引起的(de)(de)“陰影”區域,部(bu)分部(bu)件不能(neng)清(qing)(qing)潔。采用(yong)無頻(pin)率(lv)跟(gen)蹤超(chao)(chao)聲(sheng)清(qing)(qing)洗(xi)(xi)裝置時,需要對(dui)發生器(qi)(qi)頻(pin)率(lv)進行調節,使其(qi)輸出(chu)信號(hao)的(de)(de)頻(pin)率(lv)與傳感器(qi)(qi)的(de)(de)固有(you)振動頻(pin)率(lv)一致。這(zhe)時,空(kong)(kong)泡效(xiao)應最強(qiang)。清(qing)(qing)潔液中可見大(da)(da)(da)量(liang)積聚的(de)(de)白色物質。手指(zhi)頭像一根針一樣。
高(gao)(gao)功(gong)(gong)(gong)率密(mi)(mi)度(du)的(de)超聲清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)是提高(gao)(gao)超聲清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)率的(de)有效(xiao)途(tu)徑。然(ran)而,功(gong)(gong)(gong)率密(mi)(mi)度(du)過高(gao)(gao)會由于氣(qi)蝕過強而對工(gong)件(jian)(jian)表面造成(cheng)侵(qin)蝕(即氣(qi)蝕腐蝕),對工(gong)件(jian)(jian)造成(cheng)損害,尤其是對于有各(ge)種涂層(ceng)的(de)工(gong)件(jian)(jian)或(huo)鋁及鋁合金工(gong)件(jian)(jian)。能(neng)量(liang)密(mi)(mi)度(du)過大也不會產(chan)生飽和效(xiao)應。對油(you)污嚴(yan)重、形狀(zhuang)復雜、深孔盲孔的(de)零(ling)件(jian)(jian),清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)槽要(yao)深、清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)粘度(du)大、功(gong)(gong)(gong)率密(mi)(mi)度(du)大。高(gao)(gao)頻率超聲清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)功(gong)(gong)(gong)率密(mi)(mi)度(du)也很大。能(neng)量(liang)密(mi)(mi)度(du)可在用水或(huo)酒精清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)或(huo)漂洗(xi)(xi)(xi)時降低。
由于清(qing)(qing)洗(xi)(xi)液的空化(hua)程度(du)與(yu)溫度(du)有(you)關,溫度(du)的升高有(you)利于汽蝕,但蒸(zheng)氣壓力(li)也相應(ying)增(zeng)大。溫度(du)過(guo)(guo)高會(hui)使氣穴(xue)減(jian)少。所以必(bi)須(xu)保(bao)持一定的溫度(du)范圍。例如(ru)水溶劑清(qing)(qing)洗(xi)(xi)液一般在45℃左(zuo)右,三氯乙烯清(qing)(qing)洗(xi)(xi)液約75℃,水約60℃。對(dui)揮發性和易(yi)燃(ran)的清(qing)(qing)洗(xi)(xi)液,溫度(du)不宜過(guo)(guo)高。
超聲清(qing)(qing)洗(xi)的(de)(de)效果和質量(liang)取(qu)決于(yu)(yu)超聲清(qing)(qing)洗(xi)的(de)(de)時(shi)(shi)間(jian)。對于(yu)(yu)清(qing)(qing)洗(xi)質量(liang)的(de)(de)要求,時(shi)(shi)間(jian)過(guo)(guo)短。但是(shi),零(ling)件(jian)表(biao)面氣蝕(shi)腐蝕(shi)嚴重(zhong)(zhong),從而(er)影響零(ling)件(jian)的(de)(de)質量(liang),延長使用壽命(ming),不(bu)僅降(jiang)低生產效率。油污染嚴重(zhong)(zhong),形狀復(fu)雜(za)的(de)(de)零(ling)件(jian),清(qing)(qing)洗(xi)時(shi)(shi)間(jian)要長。不(bu)同涂層的(de)(de)鋁及鋁合金零(ling)件(jian)的(de)(de)清(qing)(qing)洗(xi)時(shi)(shi)間(jian)不(bu)宜過(guo)(guo)長。一般說來,表(biao)面光潔度高的(de)(de)零(ling)件(jian)的(de)(de)油污較(jiao)少,清(qing)(qing)洗(xi)時(shi)(shi)間(jian)不(bu)宜過(guo)(guo)長。特定的(de)(de)清(qing)(qing)潔時(shi)(shi)間(jian)要通過(guo)(guo)實驗確定。
為改善清(qing)(qing)(qing)洗(xi)(xi)(xi)效果,并確(que)保超(chao)聲波清(qing)(qing)(qing)洗(xi)(xi)(xi)裝置的正常使(shi)用(yong),部件在清(qing)(qing)(qing)洗(xi)(xi)(xi)槽中的位置應(ying)引起重(zhong)視。開始,要避免在超(chao)聲振動(dong)輻(fu)射面直接擠(ji)壓零(ling)件,使(shi)輻(fu)射面無法(fa)產生(sheng)預期(qi)的振動(dong),導致清(qing)(qing)(qing)洗(xi)(xi)(xi)裝置無法(fa)正常工(gong)作。對較(jiao)重(zhong)的部件尤其重(zhong)要。部件由專用(yong)工(gong)具吊在清(qing)(qing)(qing)洗(xi)(xi)(xi)槽內,并盡可(ke)能接近表面。第(di)二,關鍵的清(qing)(qing)(qing)洗(xi)(xi)(xi)部位必須(xu)對準超(chao)聲波源。三是要考(kao)慮(lv)清(qing)(qing)(qing)潔后(hou)污物能夠順(shun)利排(pai)放。第(di)四(si),使(shi)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)在清(qing)(qing)(qing)洗(xi)(xi)(xi)槽內的對流(liu)。使(shi)用(yong)循環連(lian)續(xu)補(bu)充清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)的方法(fa)時(shi),進液(ye)(ye)速度不宜過(guo)快,否則由于補(bu)充的清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)(ye)中氣體較(jiao)多,氣穴就會減弱。
在盲孔(kong)(kong)清(qing)洗(xi)時(shi),應(ying)先在盲孔(kong)(kong)內(nei)注入清(qing)洗(xi)液,然后將盲孔(kong)(kong)對準(zhun)超聲源。清(qing)潔時(shi),要(yao)始終(zhong)將清(qing)洗(xi)液注入孔(kong)(kong)內(nei),以達(da)到顯著的(de)效果。
超音(yin)波清洗槽應避免撞擊及快速冷卻加熱,以(yi)免損壞(huai)與傳感(gan)器的連接。對某些零(ling)件進行超聲清洗時,應進行消磁處理,否則殘余鐵(tie)屑不易(yi)清除(chu)。
超聲(sheng)清(qing)洗質量檢查(cha)主要(yao)是(shi)檢查(cha)被(bei)清(qing)潔零件(jian)表面的污垢殘留。
廣東固特超聲(sheng)股份有限公(gong)司現已成(cheng)為(wei)集超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)應用技術(shu)(shu)(shu)研究、超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機設(she)備研發(fa)、生產、銷(xiao)售和技術(shu)(shu)(shu)服(fu)務(wu)于一(yi)體的國家高新技術(shu)(shu)(shu)企業。公司在超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)行(xing)(xing)業中(zhong)占有一(yi)定的地位,作為(wei)業界公認的超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)技術(shu)(shu)(shu)解決方案(an)專(zhuan)家,固特(te)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)于2015年率先(xian)在新三(san)板(ban)掛牌上市。是擁(yong)有專(zhuan)業研發(fa)團隊的超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機廠家,率先(xian)提出健康家用超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機品(pin)類并開發(fa)了百(bai)款產品(pin),是商用超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機、工業超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機、超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)環保設(she)備尤其是超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)除(chu)垢設(she)備領域行(xing)(xing)業翹(qiao)楚,擅長產業資(zi)本(ben)和金(jin)融(rong)資(zi)本(ben)的對(dui)接,致力于成(cheng)為(wei)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)清(qing)洗(xi)綜合服(fu)務(wu)領軍企業。