選(xuan)用(yong)(yong)(yong)(yong)適當(dang)的(de)(de)清(qing)(qing)(qing)洗(xi)劑對(dui)(dui)超聲波清(qing)(qing)(qing)洗(xi)效(xiao)果(guo)影響較大。超聲清(qing)(qing)(qing)洗(xi)的(de)(de)作用(yong)(yong)(yong)(yong)機(ji)制主要(yao)(yao)(yao)是空(kong)化(hua)(hua)作用(yong)(yong)(yong)(yong),除物質(zhi)的(de)(de)主要(yao)(yao)(yao)成(cheng)分、油垢或機(ji)體自身的(de)(de)機(ji)械雜質(zhi)外,選(xuan)擇的(de)(de)清(qing)(qing)(qing)洗(xi)液(ye)(ye)必須考慮到(dao)(dao)清(qing)(qing)(qing)洗(xi)液(ye)(ye)的(de)(de)粘度和(he)表(biao)面張力,才能(neng)起到(dao)(dao)空(kong)化(hua)(hua)作用(yong)(yong)(yong)(yong)。超聲清(qing)(qing)(qing)洗(xi)對(dui)(dui)清(qing)(qing)(qing)洗(xi)質(zhi)量(liang)的(de)(de)要(yao)(yao)(yao)求很高,經常使用(yong)(yong)(yong)(yong)幾種不同的(de)(de)清(qing)(qing)(qing)洗(xi)液(ye)(ye)在不同的(de)(de)槽(cao)中或依(yi)次進行,每一(yi)種清(qing)(qing)(qing)洗(xi)液(ye)(ye)的(de)(de)作用(yong)(yong)(yong)(yong)都不一(yi)樣。舉例(li)來說,三氯乙烯、氫氧(yang)化(hua)(hua)鈉水(shui)溶液(ye)(ye)、合成(cheng)洗(xi)滌劑、水(shui)、酒精先后用(yong)(yong)(yong)(yong)來清(qing)(qing)(qing)洗(xi)光學元(yuan)件,丙酮及(ji)1*混合清(qing)(qing)(qing)洗(xi)液(ye)(ye),用(yong)(yong)(yong)(yong)來清(qing)(qing)(qing)洗(xi)半導體設備,用(yong)(yong)(yong)(yong)2*的(de)(de)清(qing)(qing)(qing)洗(xi)液(ye)(ye)和(he)去(qu)離子水(shui),經過多(duo)次清(qing)(qing)(qing)洗(xi),零件表(biao)面達(da)到(dao)(dao)預期效(xiao)果(guo)。
最(zui)常見(jian)的(de)(de)(de)(de)方(fang)式就是將(jiang)超(chao)聲(sheng)波(bo)(bo)清(qing)(qing)洗(xi)(xi)(xi)(xi)浸入槽(cao)內,在(zai)含有清(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)的(de)(de)(de)(de)超(chao)聲(sheng)波(bo)(bo)清(qing)(qing)洗(xi)(xi)(xi)(xi)槽(cao)內,由超(chao)聲(sheng)波(bo)(bo)換能器產(chan)生的(de)(de)(de)(de)超(chao)聲(sheng)波(bo)(bo)振動由清(qing)(qing)洗(xi)(xi)(xi)(xi)槽(cao)底部(bu)(bu)(bu)輻射到清(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)中(zhong)。尤其(qi)適(shi)用(yong)(yong)于中(zhong)小型零(ling)件(jian)。對(dui)大(da)(da)小、重量(liang)較(jiao)大(da)(da)的(de)(de)(de)(de)零(ling)件(jian),可采用(yong)(yong)局部(bu)(bu)(bu)清(qing)(qing)洗(xi)(xi)(xi)(xi)的(de)(de)(de)(de)方(fang)法,即(ji)將(jiang)零(ling)件(jian)浸入清(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)中(zhong)清(qing)(qing)洗(xi)(xi)(xi)(xi),未(wei)清(qing)(qing)洗(xi)(xi)(xi)(xi)部(bu)(bu)(bu)分(fen)浸在(zai)清(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)中(zhong),直至完全清(qing)(qing)洗(xi)(xi)(xi)(xi)。另外一(yi)種方(fang)法是根(gen)據大(da)(da)尺寸零(ling)件(jian)形(xing)狀及局部(bu)(bu)(bu)清(qing)(qing)洗(xi)(xi)(xi)(xi)的(de)(de)(de)(de)需要,設計特殊(shu)形(xing)狀的(de)(de)(de)(de)超(chao)聲(sheng)換能器,實現局部(bu)(bu)(bu)清(qing)(qing)洗(xi)(xi)(xi)(xi)。對(dui)具有嚴(yan)格清(qing)(qing)洗(xi)(xi)(xi)(xi)要求(qiu)的(de)(de)(de)(de)零(ling)件(jian),在(zai)不(bu)同(tong)的(de)(de)(de)(de)槽(cao)內采用(yong)(yong)多(duo)(duo)種不(bu)同(tong)的(de)(de)(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)進行超(chao)聲(sheng)波(bo)(bo)清(qing)(qing)洗(xi)(xi)(xi)(xi)。另外,還可以使用(yong)(yong)其(qi)他的(de)(de)(de)(de)清(qing)(qing)洗(xi)(xi)(xi)(xi)方(fang)法,例如加熱浸洗(xi)(xi)(xi)(xi),超(chao)聲(sheng)波(bo)(bo)清(qing)(qing)洗(xi)(xi)(xi)(xi)等(deng)。對(dui)含有特厚油(you)脂(zhi)的(de)(de)(de)(de)零(ling)件(jian),一(yi)般先(xian)用(yong)(yong)熱浸洗(xi)(xi)(xi)(xi)或高溫噴洗(xi)(xi)(xi)(xi),再用(yong)(yong)超(chao)聲(sheng)波(bo)(bo)清(qing)(qing)洗(xi)(xi)(xi)(xi)。對(dui)某些零(ling)件(jian)形(xing)狀過于復雜(za),如孔(kong)、孔(kong)角(jiao)不(bu)一(yi)致等(deng),可采用(yong)(yong)一(yi)次(ci)多(duo)(duo)次(ci)清(qing)(qing)洗(xi)(xi)(xi)(xi),即(ji)在(zai)不(bu)同(tong)超(chao)聲(sheng)頻(pin)率下清(qing)(qing)洗(xi)(xi)(xi)(xi)。
清洗(xi)液(ye)的(de)(de)(de)(de)超(chao)聲振(zhen)(zhen)動(dong)頻(pin)率(lv)(lv)對(dui)超(chao)聲清洗(xi)效(xiao)果有很大(da)的(de)(de)(de)(de)影響(xiang),這是因(yin)為(wei)它對(dui)空(kong)化(hua)的(de)(de)(de)(de)影響(xiang)很大(da)。通常用(yong)(yong)在(zai)20kHz左右。約20kHz時(shi)(shi)容(rong)易產生(sheng)氣穴,清洗(xi)效(xiao)果明顯。但是對(dui)表面要求高(gao)、孔徑或(huo)縫隙小的(de)(de)(de)(de)產品,宜使用(yong)(yong)短波(bo)、能量集中的(de)(de)(de)(de)高(gao)頻(pin)超(chao)聲波(bo)清洗(xi),有時(shi)(shi)頻(pin)率(lv)(lv)可(ke)達800KHz。但高(gao)頻(pin)超(chao)聲振(zhen)(zhen)動(dong)在(zai)清洗(xi)液(ye)中衰減(jian)大(da),作用(yong)(yong)距離短,空(kong)化(hua)強度小,清洗(xi)效(xiao)率(lv)(lv)低。另(ling)外,由于高(gao)頻(pin)指向性引(yin)起的(de)(de)(de)(de)“陰影”區域(yu),部分部件不能清潔。采用(yong)(yong)無頻(pin)率(lv)(lv)跟蹤超(chao)聲清洗(xi)裝置時(shi)(shi),需要對(dui)發生(sheng)器頻(pin)率(lv)(lv)進行調節,使其輸(shu)出信號的(de)(de)(de)(de)頻(pin)率(lv)(lv)與(yu)傳感器的(de)(de)(de)(de)固有振(zhen)(zhen)動(dong)頻(pin)率(lv)(lv)一(yi)致(zhi)。這時(shi)(shi),空(kong)泡效(xiao)應最強。清潔液(ye)中可(ke)見大(da)量積聚的(de)(de)(de)(de)白色(se)物質。手指頭像一(yi)根(gen)針一(yi)樣。
高(gao)功率(lv)(lv)密(mi)(mi)度(du)(du)(du)的超聲清(qing)(qing)洗(xi)是(shi)提(ti)高(gao)超聲清(qing)(qing)洗(xi)效率(lv)(lv)的有效途徑。然而(er)(er),功率(lv)(lv)密(mi)(mi)度(du)(du)(du)過高(gao)會由于氣(qi)蝕(shi)過強而(er)(er)對(dui)工(gong)件表面造成侵蝕(shi)(即氣(qi)蝕(shi)腐蝕(shi)),對(dui)工(gong)件造成損害,尤其是(shi)對(dui)于有各(ge)種涂層(ceng)的工(gong)件或鋁及鋁合金工(gong)件。能(neng)量(liang)密(mi)(mi)度(du)(du)(du)過大(da)也不會產生飽和效應。對(dui)油污嚴重、形狀復雜、深(shen)孔(kong)盲孔(kong)的零件,清(qing)(qing)洗(xi)槽要深(shen)、清(qing)(qing)洗(xi)液粘度(du)(du)(du)大(da)、功率(lv)(lv)密(mi)(mi)度(du)(du)(du)大(da)。高(gao)頻率(lv)(lv)超聲清(qing)(qing)洗(xi)功率(lv)(lv)密(mi)(mi)度(du)(du)(du)也很大(da)。能(neng)量(liang)密(mi)(mi)度(du)(du)(du)可在用(yong)水或酒精(jing)清(qing)(qing)洗(xi)或漂洗(xi)時降低。
由于清(qing)(qing)洗(xi)(xi)液的空化程度(du)與溫(wen)度(du)有(you)關,溫(wen)度(du)的升(sheng)高(gao)有(you)利于汽蝕,但蒸氣壓力也相(xiang)應增大。溫(wen)度(du)過高(gao)會使氣穴減少。所以必須保持一定的溫(wen)度(du)范圍。例如水溶劑(ji)清(qing)(qing)洗(xi)(xi)液一般在45℃左(zuo)右,三(san)氯(lv)乙烯清(qing)(qing)洗(xi)(xi)液約(yue)75℃,水約(yue)60℃。對揮發(fa)性和易燃的清(qing)(qing)洗(xi)(xi)液,溫(wen)度(du)不宜過高(gao)。
超(chao)聲清(qing)(qing)洗的(de)(de)(de)效果和(he)質量取決于(yu)超(chao)聲清(qing)(qing)洗的(de)(de)(de)時(shi)間(jian)(jian)(jian)(jian)。對于(yu)清(qing)(qing)洗質量的(de)(de)(de)要(yao)求,時(shi)間(jian)(jian)(jian)(jian)過短。但是,零(ling)件(jian)(jian)(jian)表面氣(qi)蝕(shi)腐蝕(shi)嚴重,從而影響零(ling)件(jian)(jian)(jian)的(de)(de)(de)質量,延(yan)長(chang)使用(yong)壽命,不(bu)僅(jin)降低生產效率。油(you)污(wu)染嚴重,形狀復雜的(de)(de)(de)零(ling)件(jian)(jian)(jian),清(qing)(qing)洗時(shi)間(jian)(jian)(jian)(jian)要(yao)長(chang)。不(bu)同涂層的(de)(de)(de)鋁及鋁合金(jin)零(ling)件(jian)(jian)(jian)的(de)(de)(de)清(qing)(qing)洗時(shi)間(jian)(jian)(jian)(jian)不(bu)宜過長(chang)。一般(ban)說來,表面光潔度高的(de)(de)(de)零(ling)件(jian)(jian)(jian)的(de)(de)(de)油(you)污(wu)較少,清(qing)(qing)洗時(shi)間(jian)(jian)(jian)(jian)不(bu)宜過長(chang)。特定(ding)的(de)(de)(de)清(qing)(qing)潔時(shi)間(jian)(jian)(jian)(jian)要(yao)通過實驗確定(ding)。
為改善清(qing)洗效果(guo),并確(que)保超(chao)(chao)(chao)聲(sheng)波清(qing)洗裝置的(de)(de)正常(chang)使用(yong)(yong),部(bu)件(jian)在清(qing)洗槽(cao)中的(de)(de)位置應引(yin)起(qi)重(zhong)視。開始,要(yao)避免在超(chao)(chao)(chao)聲(sheng)振動(dong)輻(fu)射(she)面直接擠壓零件(jian),使輻(fu)射(she)面無法(fa)產生預期的(de)(de)振動(dong),導(dao)致清(qing)洗裝置無法(fa)正常(chang)工作。對較重(zhong)的(de)(de)部(bu)件(jian)尤其重(zhong)要(yao)。部(bu)件(jian)由專用(yong)(yong)工具(ju)吊在清(qing)洗槽(cao)內(nei),并盡可能(neng)接近表(biao)面。第二,關(guan)鍵的(de)(de)清(qing)洗部(bu)位必須對準超(chao)(chao)(chao)聲(sheng)波源(yuan)。三是要(yao)考慮清(qing)潔后污物(wu)能(neng)夠順利排放。第四,使清(qing)洗液在清(qing)洗槽(cao)內(nei)的(de)(de)對流。使用(yong)(yong)循(xun)環連(lian)續(xu)補充(chong)清(qing)洗液的(de)(de)方(fang)法(fa)時,進液速度不(bu)宜過快,否則由于補充(chong)的(de)(de)清(qing)洗液中氣體較多,氣穴就會(hui)減弱。
在盲(mang)(mang)孔(kong)清(qing)(qing)洗(xi)(xi)時,應先在盲(mang)(mang)孔(kong)內(nei)注入清(qing)(qing)洗(xi)(xi)液,然后將(jiang)盲(mang)(mang)孔(kong)對準超聲源。清(qing)(qing)潔時,要始終將(jiang)清(qing)(qing)洗(xi)(xi)液注入孔(kong)內(nei),以達(da)到(dao)顯著的效果。
超(chao)音(yin)波清(qing)(qing)洗(xi)槽應避免(mian)(mian)撞擊及快(kuai)速冷卻加熱,以免(mian)(mian)損(sun)壞(huai)與(yu)傳感(gan)器的連接(jie)。對某(mou)些零件進(jin)行超(chao)聲清(qing)(qing)洗(xi)時,應進(jin)行消(xiao)磁處(chu)理,否則殘余鐵屑不易清(qing)(qing)除。
超(chao)聲清洗(xi)質(zhi)量檢查主(zhu)要是檢查被(bei)清潔零件(jian)表面的污垢殘(can)留。
廣東固特超(chao)聲(sheng)股(gu)份有(you)限(xian)公司現(xian)已成為(wei)集超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)應用(yong)技(ji)術(shu)研(yan)究、超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)洗機(ji)設備(bei)(bei)(bei)研(yan)發、生產、銷售和(he)技(ji)術(shu)服(fu)務(wu)于(yu)一體的(de)國家高新(xin)技(ji)術(shu)企(qi)業(ye)。公司在超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)行業(ye)中占(zhan)有(you)一定的(de)地位,作為(wei)業(ye)界公認的(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)洗技(ji)術(shu)解決方案專(zhuan)家,固(gu)特超(chao)(chao)(chao)(chao)聲(sheng)(sheng)于(yu)2015年率(lv)先在新(xin)三板(ban)掛(gua)牌上市。是(shi)(shi)擁有(you)專(zhuan)業(ye)研(yan)發團(tuan)隊的(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)洗機(ji)廠家,率(lv)先提出健(jian)康家用(yong)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)洗機(ji)品類并(bing)開(kai)發了百款(kuan)產品,是(shi)(shi)商用(yong)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)洗機(ji)、工業(ye)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)洗機(ji)、超(chao)(chao)(chao)(chao)聲(sheng)(sheng)環保設備(bei)(bei)(bei)尤其是(shi)(shi)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)除垢設備(bei)(bei)(bei)領域行業(ye)翹楚(chu),擅(shan)長產業(ye)資本和(he)金融資本的(de)對接,致力于(yu)成為(wei)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)清(qing)(qing)洗綜合服(fu)務(wu)領軍企(qi)業(ye)。