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一(yi)、功(gong)率(lv)(lv)的(de)(de)選(xuan)擇 超(chao)(chao)聲(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果不(bu)一(yi)定與(功(gong)率(lv)(lv)×清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)(shi)(shi)(shi)間(jian))成正比,有(you)時(shi)(shi)(shi)(shi)用(yong)(yong)小功(gong)率(lv)(lv),花費(fei)很長時(shi)(shi)(shi)(shi)間(jian)也沒有(you)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)除污(wu)垢。而(er)如果功(gong)率(lv)(lv)達到(dao)一(yi)定數值,有(you)時(shi)(shi)(shi)(shi)很快便(bian)將(jiang)污(wu)垢去除。若(ruo)選(xuan)擇功(gong)率(lv)(lv)太(tai)大(da),空(kong)化強度(du)將(jiang)大(da)大(da)增加(jia),清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果是提高了,但(dan)(dan)這時(shi)(shi)(shi)(shi)使較精密的(de)(de)零(ling)件(jian)也產(chan)生蝕(shi)點,得(de)不(bu)償失,而(er)且清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)缸底(di)部(bu)振(zhen)(zhen)動板(ban)處空(kong)化嚴重(zhong),水(shui)點腐蝕(shi)也增大(da),在(zai)采用(yong)(yong)三氯乙(yi)烯等有(you)機溶劑(ji)(ji)時(shi)(shi)(shi)(shi),基(ji)本上沒有(you)問題,但(dan)(dan)采用(yong)(yong)水(shui)或(huo)水(shui)溶性清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)時(shi)(shi)(shi)(shi),易于受(shou)到(dao)水(shui)點腐蝕(shi),如果振(zhen)(zhen)動板(ban)表面已(yi)受(shou)到(dao)傷痕(hen),強功(gong)率(lv)(lv)下水(shui)底(di)產(chan)生空(kong)化腐蝕(shi)更嚴重(zhong),因(yin)此要按實際使用(yong)(yong)情況選(xuan)擇超(chao)(chao)聲(sheng)功(gong)率(lv)(lv)。 二、頻(pin)率(lv)(lv)的(de)(de)選(xuan)擇 超(chao)(chao)聲(sheng)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)頻(pin)率(lv)(lv)從28kHz到(dao)120kHz之(zhi)間(jian),在(zai)使用(yong)(yong)水(shui)或(huo)水(shui)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)劑(ji)(ji)時(shi)(shi)(shi)(shi)由空(kong)穴(xue)作用(yong)(yong)引起的(de)(de)物理(li)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)力顯然對(dui)低(di)頻(pin)有(you)利(li),一(yi)般使用(yong)(yong)28-40kHz左(zuo)右。對(dui)小間(jian)隙、狹縫、深孔的(de)(de)零(ling)件(jian)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),用(yong)(yong)高頻(pin)(一(yi)般40kHz以(yi)上)較好(hao),甚(shen)至幾百kHz。對(dui)鐘表零(ling)件(jian)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)(shi)(shi)(shi),用(yong)(yong)400kHz。若(ruo)用(yong)(yong)寬(kuan)帶調頻(pin)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),效(xiao)果更良好(hao)。 三、清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)籃的(de)(de)使用(yong)(yong) 在(zai)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)小零(ling)件(jian)物品時(shi)(shi)(shi)(shi),常使用(yong)(yong)網籃,由于網眼(yan)要引起超(chao)(chao)聲(sheng)衰(shuai)減(jian),要特別引起注意。當(dang)頻(pin)率(lv)(lv)為(wei)28khz時(shi)(shi)(shi)(shi)使用(yong)(yong)10mm以(yi)上的(de)(de)網眼(yan)為(wei)好(hao)。 四(si)、清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)溫(wen)度(du)的(de)(de)選(xuan)擇 水(shui)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)最(zui)適宜的(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)溫(wen)度(du)為(wei)40-60℃,尤其在(zai)天(tian)冷時(shi)(shi)(shi)(shi)若(ruo)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)溫(wen)度(du)低(di)空(kong)化效(xiao)應(ying)差,清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果也差。因(yin)此有(you)部(bu)分清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機在(zai)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)缸外(wai)邊繞上加(jia)熱電(dian)熱絲(si)進行溫(wen)度(du)控制(zhi),當(dang)溫(wen)度(du)升高后空(kong)化易發生,所以(yi)清(qing)(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)...
發(fa)布時(shi)間:
2020
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06
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18
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