一、功(gong)率(lv)的(de)(de)選(xuan)(xuan)擇(ze) 超聲波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)果(guo)(guo)(guo)不(bu)一定與(yu)(功(gong)率(lv)×清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi)(shi)間)成正比,有(you)時(shi)(shi)(shi)用(yong)(yong)(yong)小(xiao)(xiao)功(gong)率(lv),花費很長時(shi)(shi)(shi)間也(ye)沒(mei)有(you)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)除污垢。而如(ru)果(guo)(guo)(guo)功(gong)率(lv)達到一定數(shu)值,有(you)時(shi)(shi)(shi)很快便將(jiang)污垢去(qu)除。若(ruo)選(xuan)(xuan)擇(ze)功(gong)率(lv)太(tai)大,空(kong)化(hua)強度(du)(du)將(jiang)大大增加,清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)果(guo)(guo)(guo)是提(ti)高了(le),但這時(shi)(shi)(shi)使(shi)較精(jing)密的(de)(de)零(ling)(ling)件(jian)(jian)也(ye)產生(sheng)蝕點(dian),得不(bu)償(chang)失(shi),而且清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)缸底(di)部(bu)振動板處(chu)空(kong)化(hua)嚴(yan)(yan)重,水(shui)(shui)點(dian)腐蝕也(ye)增大,在(zai)(zai)采用(yong)(yong)(yong)三氯(lv)乙烯等(deng)有(you)機(ji)溶劑(ji)時(shi)(shi)(shi),基(ji)本上(shang)沒(mei)有(you)問題,但采用(yong)(yong)(yong)水(shui)(shui)或水(shui)(shui)溶性(xing)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液時(shi)(shi)(shi),易于受(shou)(shou)到水(shui)(shui)點(dian)腐蝕,如(ru)果(guo)(guo)(guo)振動板表(biao)面(mian)已受(shou)(shou)到傷痕(hen),強功(gong)率(lv)下(xia)水(shui)(shui)底(di)產生(sheng)空(kong)化(hua)腐蝕更嚴(yan)(yan)重,因(yin)(yin)此(ci)要(yao)(yao)按實際使(shi)用(yong)(yong)(yong)情(qing)況(kuang)選(xuan)(xuan)擇(ze)超聲功(gong)率(lv)。 二、頻(pin)(pin)率(lv)的(de)(de)選(xuan)(xuan)擇(ze) 超聲清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)頻(pin)(pin)率(lv)從28kHz到120kHz之間,在(zai)(zai)使(shi)用(yong)(yong)(yong)水(shui)(shui)或水(shui)(shui)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)劑(ji)時(shi)(shi)(shi)由空(kong)穴作(zuo)用(yong)(yong)(yong)引起(qi)的(de)(de)物(wu)理清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)力顯(xian)然對低(di)頻(pin)(pin)有(you)利,一般使(shi)用(yong)(yong)(yong)28-40kHz左右。對小(xiao)(xiao)間隙、狹縫、深孔的(de)(de)零(ling)(ling)件(jian)(jian)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),用(yong)(yong)(yong)高頻(pin)(pin)(一般40kHz以(yi)(yi)上(shang))較好(hao),甚(shen)至幾百(bai)kHz。對鐘表(biao)零(ling)(ling)件(jian)(jian)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi)(shi),用(yong)(yong)(yong)400kHz。若(ruo)用(yong)(yong)(yong)寬帶調頻(pin)(pin)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),效(xiao)果(guo)(guo)(guo)更良好(hao)。 三、清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)籃的(de)(de)使(shi)用(yong)(yong)(yong) 在(zai)(zai)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)小(xiao)(xiao)零(ling)(ling)件(jian)(jian)物(wu)品時(shi)(shi)(shi),常使(shi)用(yong)(yong)(yong)網籃,由于網眼要(yao)(yao)引起(qi)超聲衰(shuai)減,要(yao)(yao)特別引起(qi)注意。當(dang)(dang)頻(pin)(pin)率(lv)為28khz時(shi)(shi)(shi)使(shi)用(yong)(yong)(yong)10mm以(yi)(yi)上(shang)的(de)(de)網眼為好(hao)。 四、清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液溫(wen)度(du)(du)的(de)(de)選(xuan)(xuan)擇(ze) 水(shui)(shui)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液最(zui)適(shi)宜的(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)溫(wen)度(du)(du)為40-60℃,尤其在(zai)(zai)天冷(leng)時(shi)(shi)(shi)若(ruo)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液溫(wen)度(du)(du)低(di)空(kong)化(hua)效(xiao)應差(cha),清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)果(guo)(guo)(guo)也(ye)差(cha)。因(yin)(yin)此(ci)有(you)部(bu)分(fen)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)機(ji)在(zai)(zai)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)缸外邊繞(rao)上(shang)加熱(re)電熱(re)絲進行溫(wen)度(du)(du)控制,當(dang)(dang)溫(wen)度(du)(du)升(sheng)高后空(kong)化(hua)易發生(sheng),所(suo)以(yi)(yi)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)...
發布(bu)時間:
2020
-
06
-
18
瀏覽(lan)次數:139