一、功(gong)率(lv)(lv)(lv)的(de)選擇(ze)(ze) 超(chao)聲(sheng)波清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果(guo)不一定與(功(gong)率(lv)(lv)(lv)×清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)(shi)(shi)間(jian)(jian))成(cheng)正比,有(you)時(shi)(shi)(shi)用(yong)(yong)小(xiao)(xiao)功(gong)率(lv)(lv)(lv),花(hua)費很(hen)長時(shi)(shi)(shi)間(jian)(jian)也(ye)(ye)沒(mei)(mei)有(you)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)除污垢。而(er)如果(guo)功(gong)率(lv)(lv)(lv)達(da)到一定數值,有(you)時(shi)(shi)(shi)很(hen)快便將(jiang)污垢去(qu)除。若選擇(ze)(ze)功(gong)率(lv)(lv)(lv)太大(da),空(kong)(kong)(kong)化強(qiang)度(du)將(jiang)大(da)大(da)增加,清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果(guo)是提高了,但(dan)這時(shi)(shi)(shi)使(shi)(shi)較(jiao)精密的(de)零(ling)件(jian)(jian)(jian)也(ye)(ye)產生(sheng)蝕(shi)點(dian),得(de)不償(chang)失,而(er)且(qie)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)缸底部(bu)振動(dong)(dong)板處空(kong)(kong)(kong)化嚴(yan)重,水(shui)(shui)點(dian)腐(fu)蝕(shi)也(ye)(ye)增大(da),在采用(yong)(yong)三氯乙烯等有(you)機溶劑時(shi)(shi)(shi),基(ji)本上(shang)沒(mei)(mei)有(you)問題(ti),但(dan)采用(yong)(yong)水(shui)(shui)或(huo)水(shui)(shui)溶性清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)(ye)(ye)時(shi)(shi)(shi),易于受到水(shui)(shui)點(dian)腐(fu)蝕(shi),如果(guo)振動(dong)(dong)板表面已受到傷(shang)痕(hen),強(qiang)功(gong)率(lv)(lv)(lv)下水(shui)(shui)底產生(sheng)空(kong)(kong)(kong)化腐(fu)蝕(shi)更(geng)(geng)嚴(yan)重,因(yin)此要(yao)按實際使(shi)(shi)用(yong)(yong)情況選擇(ze)(ze)超(chao)聲(sheng)功(gong)率(lv)(lv)(lv)。 二、頻(pin)(pin)率(lv)(lv)(lv)的(de)選擇(ze)(ze) 超(chao)聲(sheng)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)頻(pin)(pin)率(lv)(lv)(lv)從28kHz到120kHz之間(jian)(jian),在使(shi)(shi)用(yong)(yong)水(shui)(shui)或(huo)水(shui)(shui)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)劑時(shi)(shi)(shi)由(you)空(kong)(kong)(kong)穴作(zuo)用(yong)(yong)引起(qi)(qi)的(de)物理清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)力(li)顯(xian)然對低頻(pin)(pin)有(you)利,一般(ban)使(shi)(shi)用(yong)(yong)28-40kHz左右(you)。對小(xiao)(xiao)間(jian)(jian)隙(xi)、狹縫、深(shen)孔(kong)的(de)零(ling)件(jian)(jian)(jian)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),用(yong)(yong)高頻(pin)(pin)(一般(ban)40kHz以(yi)上(shang))較(jiao)好,甚至(zhi)幾百kHz。對鐘表零(ling)件(jian)(jian)(jian)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)(shi)(shi),用(yong)(yong)400kHz。若用(yong)(yong)寬帶(dai)調頻(pin)(pin)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),效(xiao)果(guo)更(geng)(geng)良好。 三、清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)籃的(de)使(shi)(shi)用(yong)(yong) 在清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)小(xiao)(xiao)零(ling)件(jian)(jian)(jian)物品時(shi)(shi)(shi),常使(shi)(shi)用(yong)(yong)網籃,由(you)于網眼(yan)要(yao)引起(qi)(qi)超(chao)聲(sheng)衰減,要(yao)特別引起(qi)(qi)注(zhu)意。當(dang)頻(pin)(pin)率(lv)(lv)(lv)為(wei)28khz時(shi)(shi)(shi)使(shi)(shi)用(yong)(yong)10mm以(yi)上(shang)的(de)網眼(yan)為(wei)好。 四、清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)(ye)(ye)溫度(du)的(de)選擇(ze)(ze) 水(shui)(shui)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)(ye)(ye)最(zui)適宜的(de)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)溫度(du)為(wei)40-60℃,尤其在天冷時(shi)(shi)(shi)若清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)(ye)(ye)溫度(du)低空(kong)(kong)(kong)化效(xiao)應差,清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果(guo)也(ye)(ye)差。因(yin)此有(you)部(bu)分清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機在清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)缸外邊(bian)繞上(shang)加熱電(dian)熱絲(si)進行溫度(du)控制,當(dang)溫度(du)升高后空(kong)(kong)(kong)化易發生(sheng),所(suo)以(yi)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)...
發布(bu)時(shi)間:
2020
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06
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18
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