選用適當的(de)(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)劑對超(chao)聲(sheng)波(bo)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)效果影響較大。超(chao)聲(sheng)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)的(de)(de)(de)作用機(ji)(ji)制主(zhu)要是空化(hua)作用,除物質的(de)(de)(de)主(zhu)要成分(fen)、油垢或機(ji)(ji)體自(zi)身的(de)(de)(de)機(ji)(ji)械雜(za)質外,選擇的(de)(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)必須考(kao)慮到清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)的(de)(de)(de)粘(zhan)度和(he)表面(mian)(mian)張力(li),才能(neng)起到空化(hua)作用。超(chao)聲(sheng)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)對清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)質量(liang)的(de)(de)(de)要求(qiu)很高,經(jing)常使用幾種不同(tong)的(de)(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)在不同(tong)的(de)(de)(de)槽(cao)中或依次(ci)進行(xing),每一種清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)的(de)(de)(de)作用都不一樣(yang)。舉例來說,三氯乙烯、氫氧化(hua)鈉水(shui)溶液(ye)、合成洗(xi)(xi)(xi)(xi)(xi)滌劑、水(shui)、酒(jiu)精(jing)先后用來清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)光學元件,丙酮及1*混合清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye),用來清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)半導(dao)體設備,用2*的(de)(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)和(he)去離(li)子水(shui),經(jing)過多次(ci)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi),零件表面(mian)(mian)達到預期效果。
最常見的(de)(de)方(fang)式(shi)就是將超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)浸入槽(cao)內(nei),在(zai)(zai)(zai)含有(you)(you)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)的(de)(de)超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)槽(cao)內(nei),由超(chao)(chao)聲(sheng)(sheng)(sheng)波換能(neng)器產生的(de)(de)超(chao)(chao)聲(sheng)(sheng)(sheng)波振動由清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)槽(cao)底部輻(fu)射到清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)中(zhong)。尤其適(shi)用(yong)(yong)于中(zhong)小(xiao)型零(ling)件(jian)(jian)(jian)。對大小(xiao)、重(zhong)量較大的(de)(de)零(ling)件(jian)(jian)(jian),可采(cai)用(yong)(yong)局部清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)的(de)(de)方(fang)法(fa)(fa),即將零(ling)件(jian)(jian)(jian)浸入清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)中(zhong)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi),未(wei)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)部分浸在(zai)(zai)(zai)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)中(zhong),直至完全清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。另(ling)(ling)外一(yi)種(zhong)方(fang)法(fa)(fa)是根據(ju)大尺寸零(ling)件(jian)(jian)(jian)形狀及局部清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)的(de)(de)需要(yao),設計特殊形狀的(de)(de)超(chao)(chao)聲(sheng)(sheng)(sheng)換能(neng)器,實現(xian)局部清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。對具有(you)(you)嚴格(ge)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)要(yao)求的(de)(de)零(ling)件(jian)(jian)(jian),在(zai)(zai)(zai)不(bu)同的(de)(de)槽(cao)內(nei)采(cai)用(yong)(yong)多種(zhong)不(bu)同的(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液(ye)進行超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。另(ling)(ling)外,還可以使(shi)用(yong)(yong)其他的(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)方(fang)法(fa)(fa),例(li)如加熱浸洗(xi)(xi)(xi)(xi)(xi),超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)等。對含有(you)(you)特厚油脂的(de)(de)零(ling)件(jian)(jian)(jian),一(yi)般先用(yong)(yong)熱浸洗(xi)(xi)(xi)(xi)(xi)或高溫噴洗(xi)(xi)(xi)(xi)(xi),再用(yong)(yong)超(chao)(chao)聲(sheng)(sheng)(sheng)波清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。對某些零(ling)件(jian)(jian)(jian)形狀過(guo)于復(fu)雜,如孔、孔角(jiao)不(bu)一(yi)致等,可采(cai)用(yong)(yong)一(yi)次多次清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi),即在(zai)(zai)(zai)不(bu)同超(chao)(chao)聲(sheng)(sheng)(sheng)頻率下清(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。
清(qing)(qing)洗液(ye)(ye)的超(chao)(chao)(chao)聲(sheng)振(zhen)動頻(pin)(pin)率對超(chao)(chao)(chao)聲(sheng)清(qing)(qing)洗效(xiao)果有很(hen)大(da)的影(ying)響,這是(shi)因為它對空(kong)化(hua)的影(ying)響很(hen)大(da)。通(tong)常用在(zai)20kHz左右。約20kHz時(shi)容易(yi)產(chan)生(sheng)氣(qi)穴(xue),清(qing)(qing)洗效(xiao)果明顯。但(dan)(dan)是(shi)對表面要求高、孔徑或縫隙小的產(chan)品,宜使用短(duan)波、能量(liang)集(ji)中(zhong)的高頻(pin)(pin)超(chao)(chao)(chao)聲(sheng)波清(qing)(qing)洗,有時(shi)頻(pin)(pin)率可(ke)達(da)800KHz。但(dan)(dan)高頻(pin)(pin)超(chao)(chao)(chao)聲(sheng)振(zhen)動在(zai)清(qing)(qing)洗液(ye)(ye)中(zhong)衰減大(da),作用距離短(duan),空(kong)化(hua)強度小,清(qing)(qing)洗效(xiao)率低。另外(wai),由(you)于高頻(pin)(pin)指向性(xing)引起的“陰影(ying)”區域,部(bu)分部(bu)件不能清(qing)(qing)潔(jie)。采用無(wu)頻(pin)(pin)率跟蹤超(chao)(chao)(chao)聲(sheng)清(qing)(qing)洗裝(zhuang)置時(shi),需(xu)要對發(fa)生(sheng)器頻(pin)(pin)率進行(xing)調節,使其輸(shu)出信號的頻(pin)(pin)率與傳感(gan)器的固有振(zhen)動頻(pin)(pin)率一致。這時(shi),空(kong)泡(pao)效(xiao)應最強。清(qing)(qing)潔(jie)液(ye)(ye)中(zhong)可(ke)見大(da)量(liang)積聚的白色物質。手指頭(tou)像一根針一樣。
高(gao)(gao)功(gong)率(lv)(lv)密(mi)(mi)度(du)(du)的(de)(de)超(chao)(chao)(chao)聲(sheng)清(qing)(qing)洗(xi)是提(ti)高(gao)(gao)超(chao)(chao)(chao)聲(sheng)清(qing)(qing)洗(xi)效(xiao)率(lv)(lv)的(de)(de)有效(xiao)途徑。然而,功(gong)率(lv)(lv)密(mi)(mi)度(du)(du)過高(gao)(gao)會由(you)于氣蝕(shi)(shi)過強而對工(gong)件(jian)表面造(zao)(zao)成(cheng)侵蝕(shi)(shi)(即氣蝕(shi)(shi)腐蝕(shi)(shi)),對工(gong)件(jian)造(zao)(zao)成(cheng)損害,尤其是對于有各種涂層(ceng)的(de)(de)工(gong)件(jian)或鋁及鋁合金(jin)工(gong)件(jian)。能量密(mi)(mi)度(du)(du)過大(da)(da)也(ye)不會產生飽和效(xiao)應。對油污嚴重、形狀復雜、深(shen)孔盲孔的(de)(de)零件(jian),清(qing)(qing)洗(xi)槽(cao)要深(shen)、清(qing)(qing)洗(xi)液粘度(du)(du)大(da)(da)、功(gong)率(lv)(lv)密(mi)(mi)度(du)(du)大(da)(da)。高(gao)(gao)頻率(lv)(lv)超(chao)(chao)(chao)聲(sheng)清(qing)(qing)洗(xi)功(gong)率(lv)(lv)密(mi)(mi)度(du)(du)也(ye)很(hen)大(da)(da)。能量密(mi)(mi)度(du)(du)可在(zai)用水或酒精(jing)清(qing)(qing)洗(xi)或漂洗(xi)時降低(di)。
由于清洗(xi)(xi)液的(de)空化程度(du)(du)與溫(wen)(wen)度(du)(du)有(you)關,溫(wen)(wen)度(du)(du)的(de)升高有(you)利于汽蝕,但蒸氣壓力也(ye)相應增(zeng)大。溫(wen)(wen)度(du)(du)過高會使氣穴(xue)減少。所以必須保持(chi)一定(ding)的(de)溫(wen)(wen)度(du)(du)范圍。例如水溶劑清洗(xi)(xi)液一般在(zai)45℃左(zuo)右,三(san)氯乙烯(xi)清洗(xi)(xi)液約75℃,水約60℃。對(dui)揮發性和易燃的(de)清洗(xi)(xi)液,溫(wen)(wen)度(du)(du)不(bu)宜(yi)過高。
超聲清洗的(de)(de)效果和質量取(qu)決于超聲清洗的(de)(de)時間(jian)。對(dui)于清洗質量的(de)(de)要求,時間(jian)過(guo)(guo)短。但是(shi),零件(jian)(jian)表面氣蝕腐蝕嚴(yan)重(zhong),從而(er)影響零件(jian)(jian)的(de)(de)質量,延長使用壽命(ming),不僅降低生產(chan)效率。油(you)污染嚴(yan)重(zhong),形狀復雜的(de)(de)零件(jian)(jian),清洗時間(jian)要長。不同涂層的(de)(de)鋁及鋁合金零件(jian)(jian)的(de)(de)清洗時間(jian)不宜(yi)過(guo)(guo)長。一般說(shuo)來,表面光潔度高的(de)(de)零件(jian)(jian)的(de)(de)油(you)污較少,清洗時間(jian)不宜(yi)過(guo)(guo)長。特定的(de)(de)清潔時間(jian)要通過(guo)(guo)實驗確定。
為(wei)改善清(qing)(qing)(qing)洗(xi)(xi)效果,并確保超聲波(bo)清(qing)(qing)(qing)洗(xi)(xi)裝置(zhi)(zhi)的正(zheng)(zheng)常使(shi)用,部件(jian)在清(qing)(qing)(qing)洗(xi)(xi)槽(cao)中的位置(zhi)(zhi)應(ying)引(yin)起重視。開始,要避免在超聲振(zhen)動(dong)輻(fu)射面(mian)直接(jie)擠(ji)壓(ya)零件(jian),使(shi)輻(fu)射面(mian)無法(fa)產生預期(qi)的振(zhen)動(dong),導致清(qing)(qing)(qing)洗(xi)(xi)裝置(zhi)(zhi)無法(fa)正(zheng)(zheng)常工作。對較(jiao)(jiao)重的部件(jian)尤(you)其重要。部件(jian)由(you)專用工具吊在清(qing)(qing)(qing)洗(xi)(xi)槽(cao)內,并盡可能接(jie)近表(biao)面(mian)。第(di)二,關(guan)鍵的清(qing)(qing)(qing)洗(xi)(xi)部位必須對準(zhun)超聲波(bo)源。三是要考慮清(qing)(qing)(qing)潔(jie)后污物能夠順利排放。第(di)四,使(shi)清(qing)(qing)(qing)洗(xi)(xi)液(ye)在清(qing)(qing)(qing)洗(xi)(xi)槽(cao)內的對流。使(shi)用循環連續補充清(qing)(qing)(qing)洗(xi)(xi)液(ye)的方法(fa)時,進液(ye)速度不宜過(guo)快,否則由(you)于補充的清(qing)(qing)(qing)洗(xi)(xi)液(ye)中氣(qi)體較(jiao)(jiao)多,氣(qi)穴就會減(jian)弱。
在盲(mang)孔清(qing)(qing)洗時,應先在盲(mang)孔內注入(ru)清(qing)(qing)洗液(ye),然后將盲(mang)孔對準超聲源。清(qing)(qing)潔時,要始(shi)終將清(qing)(qing)洗液(ye)注入(ru)孔內,以達到顯著的(de)效果。
超(chao)音波清洗(xi)槽應避(bi)免撞擊(ji)及快速(su)冷卻加熱,以免損壞(huai)與傳感器的連接。對某些零件進行超(chao)聲(sheng)清洗(xi)時(shi),應進行消磁處(chu)理,否則殘(can)余鐵屑(xie)不易(yi)清除(chu)。
超聲清洗質量檢(jian)查主要是檢(jian)查被清潔零(ling)件表面的污垢(gou)殘留。
廣東固特超聲股份有限公(gong)司(si)現已成為集超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)應用技術(shu)研(yan)究、超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)洗(xi)(xi)機設(she)備研(yan)發、生產(chan)、銷售和(he)技術(shu)服(fu)務(wu)于一體的(de)國家高新技術(shu)企業(ye)。公司在超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)行業(ye)中占有(you)一定的(de)地(di)位,作為業(ye)界公認的(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)洗(xi)(xi)技術(shu)解決方案專(zhuan)家,固(gu)特超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)于2015年率(lv)先在新三(san)板掛牌上市。是(shi)(shi)擁(yong)有(you)專(zhuan)業(ye)研(yan)發團隊的(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)洗(xi)(xi)機廠家,率(lv)先提出健(jian)康家用超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)洗(xi)(xi)機品類(lei)并(bing)開發了百(bai)款產(chan)品,是(shi)(shi)商用超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)洗(xi)(xi)機、工業(ye)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)洗(xi)(xi)機、超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)環保設(she)備尤其是(shi)(shi)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)除垢設(she)備領域行業(ye)翹(qiao)楚,擅長產(chan)業(ye)資本和(he)金融(rong)資本的(de)對(dui)接,致力于成為超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)清(qing)洗(xi)(xi)綜合(he)服(fu)務(wu)領軍企業(ye)。