選用(yong)(yong)(yong)適當的(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)劑對超(chao)聲(sheng)波清(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)果影響(xiang)較大。超(chao)聲(sheng)清(qing)(qing)(qing)洗(xi)(xi)(xi)的(de)作用(yong)(yong)(yong)機制主要(yao)是空(kong)(kong)化(hua)(hua)作用(yong)(yong)(yong),除物質的(de)主要(yao)成分、油(you)垢或(huo)機體自身(shen)的(de)機械雜質外(wai),選擇的(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)必須(xu)考(kao)慮到(dao)(dao)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)的(de)粘(zhan)度和表(biao)面(mian)張力,才能起到(dao)(dao)空(kong)(kong)化(hua)(hua)作用(yong)(yong)(yong)。超(chao)聲(sheng)清(qing)(qing)(qing)洗(xi)(xi)(xi)對清(qing)(qing)(qing)洗(xi)(xi)(xi)質量的(de)要(yao)求很高(gao),經常使用(yong)(yong)(yong)幾種不(bu)(bu)同的(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)在不(bu)(bu)同的(de)槽(cao)中或(huo)依次進行,每一(yi)種清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)的(de)作用(yong)(yong)(yong)都不(bu)(bu)一(yi)樣。舉例來(lai)說,三氯乙烯、氫氧(yang)化(hua)(hua)鈉水溶液(ye)、合(he)成洗(xi)(xi)(xi)滌劑、水、酒精(jing)先后用(yong)(yong)(yong)來(lai)清(qing)(qing)(qing)洗(xi)(xi)(xi)光學元(yuan)件,丙酮及(ji)1*混合(he)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye),用(yong)(yong)(yong)來(lai)清(qing)(qing)(qing)洗(xi)(xi)(xi)半導體設備,用(yong)(yong)(yong)2*的(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)和去離子水,經過多次清(qing)(qing)(qing)洗(xi)(xi)(xi),零件表(biao)面(mian)達到(dao)(dao)預期效(xiao)果。
最常(chang)見的(de)(de)(de)(de)(de)(de)方式(shi)就是(shi)將超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)浸(jin)入槽(cao)(cao)內(nei),在(zai)含(han)有清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液的(de)(de)(de)(de)(de)(de)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)槽(cao)(cao)內(nei),由超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)換能(neng)器產(chan)生的(de)(de)(de)(de)(de)(de)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)振動由清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)槽(cao)(cao)底部(bu)(bu)輻射(she)到(dao)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液中。尤其(qi)適(shi)用(yong)(yong)于中小(xiao)型(xing)零(ling)(ling)(ling)件(jian)(jian)。對大(da)(da)(da)小(xiao)、重(zhong)量(liang)較大(da)(da)(da)的(de)(de)(de)(de)(de)(de)零(ling)(ling)(ling)件(jian)(jian),可采(cai)用(yong)(yong)局(ju)部(bu)(bu)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)的(de)(de)(de)(de)(de)(de)方法(fa),即(ji)將零(ling)(ling)(ling)件(jian)(jian)浸(jin)入清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液中清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi),未清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)部(bu)(bu)分浸(jin)在(zai)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液中,直(zhi)至完(wan)全清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。另(ling)外(wai)一(yi)(yi)種方法(fa)是(shi)根據(ju)大(da)(da)(da)尺寸零(ling)(ling)(ling)件(jian)(jian)形(xing)(xing)狀(zhuang)(zhuang)及(ji)局(ju)部(bu)(bu)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)的(de)(de)(de)(de)(de)(de)需要,設計特(te)殊(shu)形(xing)(xing)狀(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)換能(neng)器,實(shi)現局(ju)部(bu)(bu)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。對具有嚴格清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)要求的(de)(de)(de)(de)(de)(de)零(ling)(ling)(ling)件(jian)(jian),在(zai)不(bu)同(tong)(tong)的(de)(de)(de)(de)(de)(de)槽(cao)(cao)內(nei)采(cai)用(yong)(yong)多種不(bu)同(tong)(tong)的(de)(de)(de)(de)(de)(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)液進行超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。另(ling)外(wai),還(huan)可以使用(yong)(yong)其(qi)他的(de)(de)(de)(de)(de)(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)方法(fa),例如(ru)加熱浸(jin)洗(xi)(xi)(xi)(xi)(xi),超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)等。對含(han)有特(te)厚(hou)油脂的(de)(de)(de)(de)(de)(de)零(ling)(ling)(ling)件(jian)(jian),一(yi)(yi)般先用(yong)(yong)熱浸(jin)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)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。對某些零(ling)(ling)(ling)件(jian)(jian)形(xing)(xing)狀(zhuang)(zhuang)過于復雜(za),如(ru)孔、孔角不(bu)一(yi)(yi)致等,可采(cai)用(yong)(yong)一(yi)(yi)次多次清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi),即(ji)在(zai)不(bu)同(tong)(tong)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)頻率下清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)。
清(qing)(qing)洗液(ye)的超(chao)聲(sheng)振動頻(pin)(pin)率(lv)對超(chao)聲(sheng)清(qing)(qing)洗效(xiao)果(guo)有很大(da)(da)的影(ying)響(xiang),這(zhe)是(shi)因為(wei)它對空化的影(ying)響(xiang)很大(da)(da)。通常用在(zai)20kHz左(zuo)右。約20kHz時(shi)容易產(chan)生氣穴,清(qing)(qing)洗效(xiao)果(guo)明顯。但(dan)是(shi)對表(biao)面要(yao)求(qiu)高(gao)、孔徑(jing)或縫(feng)隙(xi)小的產(chan)品,宜使用短波(bo)、能量集中(zhong)的高(gao)頻(pin)(pin)超(chao)聲(sheng)波(bo)清(qing)(qing)洗,有時(shi)頻(pin)(pin)率(lv)可達800KHz。但(dan)高(gao)頻(pin)(pin)超(chao)聲(sheng)振動在(zai)清(qing)(qing)洗液(ye)中(zhong)衰減(jian)大(da)(da),作(zuo)用距離短,空化強(qiang)度小,清(qing)(qing)洗效(xiao)率(lv)低。另外,由于高(gao)頻(pin)(pin)指向性引(yin)起的“陰影(ying)”區域,部分部件不能清(qing)(qing)潔。采用無頻(pin)(pin)率(lv)跟蹤(zong)超(chao)聲(sheng)清(qing)(qing)洗裝(zhuang)置時(shi),需(xu)要(yao)對發生器(qi)頻(pin)(pin)率(lv)進行調節,使其(qi)輸出信號(hao)的頻(pin)(pin)率(lv)與傳感器(qi)的固有振動頻(pin)(pin)率(lv)一致。這(zhe)時(shi),空泡效(xiao)應(ying)最強(qiang)。清(qing)(qing)潔液(ye)中(zhong)可見(jian)大(da)(da)量積聚的白色物質。手指頭(tou)像(xiang)一根針一樣。
高功率(lv)(lv)密(mi)(mi)度(du)(du)(du)(du)的(de)超(chao)聲(sheng)清(qing)洗(xi)(xi)(xi)是(shi)(shi)提高超(chao)聲(sheng)清(qing)洗(xi)(xi)(xi)效(xiao)率(lv)(lv)的(de)有效(xiao)途徑(jing)。然而,功率(lv)(lv)密(mi)(mi)度(du)(du)(du)(du)過(guo)高會(hui)(hui)由于(yu)氣蝕(shi)(shi)過(guo)強而對工件表面造成侵(qin)蝕(shi)(shi)(即(ji)氣蝕(shi)(shi)腐蝕(shi)(shi)),對工件造成損害,尤其(qi)是(shi)(shi)對于(yu)有各種(zhong)涂層的(de)工件或鋁及鋁合金工件。能量密(mi)(mi)度(du)(du)(du)(du)過(guo)大(da)也(ye)不會(hui)(hui)產生飽和(he)效(xiao)應。對油污(wu)嚴重(zhong)、形(xing)狀復雜、深孔盲孔的(de)零件,清(qing)洗(xi)(xi)(xi)槽要(yao)深、清(qing)洗(xi)(xi)(xi)液(ye)粘度(du)(du)(du)(du)大(da)、功率(lv)(lv)密(mi)(mi)度(du)(du)(du)(du)大(da)。高頻率(lv)(lv)超(chao)聲(sheng)清(qing)洗(xi)(xi)(xi)功率(lv)(lv)密(mi)(mi)度(du)(du)(du)(du)也(ye)很大(da)。能量密(mi)(mi)度(du)(du)(du)(du)可在用水(shui)或酒精清(qing)洗(xi)(xi)(xi)或漂洗(xi)(xi)(xi)時降(jiang)低。
由于(yu)清洗液(ye)的空化程度與溫(wen)度有關,溫(wen)度的升高有利于(yu)汽(qi)蝕,但蒸氣壓力也相應增大。溫(wen)度過(guo)高會使氣穴(xue)減少。所以必須保持一定的溫(wen)度范圍(wei)。例(li)如(ru)水溶劑清洗液(ye)一般在45℃左右,三(san)氯乙烯清洗液(ye)約75℃,水約60℃。對揮發性和易燃的清洗液(ye),溫(wen)度不宜過(guo)高。
超聲清(qing)洗(xi)(xi)的(de)(de)(de)(de)(de)(de)效果和質量取決于超聲清(qing)洗(xi)(xi)的(de)(de)(de)(de)(de)(de)時(shi)(shi)間(jian)(jian)。對(dui)于清(qing)洗(xi)(xi)質量的(de)(de)(de)(de)(de)(de)要求,時(shi)(shi)間(jian)(jian)過短。但是,零(ling)件(jian)(jian)表面(mian)氣蝕腐(fu)蝕嚴(yan)重(zhong),從而(er)影響零(ling)件(jian)(jian)的(de)(de)(de)(de)(de)(de)質量,延長(chang)(chang)使用壽命,不僅降(jiang)低生產效率。油污染嚴(yan)重(zhong),形狀復雜(za)的(de)(de)(de)(de)(de)(de)零(ling)件(jian)(jian),清(qing)洗(xi)(xi)時(shi)(shi)間(jian)(jian)要長(chang)(chang)。不同涂層的(de)(de)(de)(de)(de)(de)鋁(lv)(lv)及鋁(lv)(lv)合金(jin)零(ling)件(jian)(jian)的(de)(de)(de)(de)(de)(de)清(qing)洗(xi)(xi)時(shi)(shi)間(jian)(jian)不宜過長(chang)(chang)。一般說來(lai),表面(mian)光潔度高的(de)(de)(de)(de)(de)(de)零(ling)件(jian)(jian)的(de)(de)(de)(de)(de)(de)油污較少,清(qing)洗(xi)(xi)時(shi)(shi)間(jian)(jian)不宜過長(chang)(chang)。特定(ding)的(de)(de)(de)(de)(de)(de)清(qing)潔時(shi)(shi)間(jian)(jian)要通過實驗確定(ding)。
為(wei)改善清(qing)(qing)(qing)洗效果,并確保超聲波清(qing)(qing)(qing)洗裝置(zhi)的(de)正(zheng)常使用(yong),部(bu)件(jian)(jian)(jian)在清(qing)(qing)(qing)洗槽(cao)中的(de)位置(zhi)應引起重(zhong)視。開始(shi),要避免(mian)在超聲振動輻射面(mian)直(zhi)接擠壓(ya)零件(jian)(jian)(jian),使輻射面(mian)無法產生預期的(de)振動,導致清(qing)(qing)(qing)洗裝置(zhi)無法正(zheng)常工作(zuo)。對(dui)較重(zhong)的(de)部(bu)件(jian)(jian)(jian)尤其(qi)重(zhong)要。部(bu)件(jian)(jian)(jian)由專用(yong)工具吊在清(qing)(qing)(qing)洗槽(cao)內,并盡(jin)可(ke)能接近表面(mian)。第二,關鍵的(de)清(qing)(qing)(qing)洗部(bu)位必須對(dui)準超聲波源。三(san)是要考慮清(qing)(qing)(qing)潔后污物能夠順(shun)利排放。第四(si),使清(qing)(qing)(qing)洗液在清(qing)(qing)(qing)洗槽(cao)內的(de)對(dui)流。使用(yong)循環連續補充清(qing)(qing)(qing)洗液的(de)方法時,進液速度不宜過(guo)快,否則由于(yu)補充的(de)清(qing)(qing)(qing)洗液中氣(qi)體較多,氣(qi)穴(xue)就會減弱(ruo)。
在盲孔清(qing)(qing)(qing)洗(xi)時,應(ying)先在盲孔內(nei)注入(ru)(ru)清(qing)(qing)(qing)洗(xi)液,然后將盲孔對(dui)準(zhun)超(chao)聲源(yuan)。清(qing)(qing)(qing)潔時,要始終將清(qing)(qing)(qing)洗(xi)液注入(ru)(ru)孔內(nei),以達(da)到顯著的(de)效果。
超(chao)音波(bo)清(qing)洗槽應避(bi)免撞擊及快速冷卻加熱,以免損(sun)壞(huai)與傳感器的連接(jie)。對某些零件進(jin)行(xing)超(chao)聲(sheng)清(qing)洗時,應進(jin)行(xing)消磁處理,否則(ze)殘(can)余鐵屑不易(yi)清(qing)除。
超聲清洗質(zhi)量檢(jian)查(cha)(cha)主要是檢(jian)查(cha)(cha)被清潔零件(jian)表(biao)面的污垢殘(can)留。
廣(guang)東(dong)固特超聲股份有限公司(si)現已成為(wei)集超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)應用技術研(yan)究、超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)機(ji)(ji)設備研(yan)發、生產(chan)(chan)、銷售和技術服務(wu)于一體的國家(jia)高(gao)新(xin)技術企業(ye)。公(gong)司在超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)行業(ye)中(zhong)占有一定的地位,作為(wei)業(ye)界公(gong)認的超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)技術解(jie)決(jue)方案(an)專家(jia),固特超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)于2015年率(lv)先在新(xin)三板(ban)掛牌上市。是擁有專業(ye)研(yan)發團隊的超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)機(ji)(ji)廠家(jia),率(lv)先提出健康家(jia)用超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)機(ji)(ji)品類并開(kai)發了(le)百款產(chan)(chan)品,是商用超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)機(ji)(ji)、工業(ye)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)機(ji)(ji)、超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)環保設備尤其是超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)除垢設備領域行業(ye)翹楚(chu),擅長產(chan)(chan)業(ye)資本和金(jin)融資本的對(dui)接,致(zhi)力于成為(wei)超(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)清(qing)(qing)(qing)洗(xi)(xi)綜(zong)合服務(wu)領軍(jun)企業(ye)。