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一(yi)、功率(lv)(lv)(lv)的(de)選(xuan)擇 超(chao)(chao)聲(sheng)波清(qing)(qing)(qing)洗(xi)(xi)(xi)效果(guo)不一(yi)定與(yu)(功率(lv)(lv)(lv)×清(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi)間(jian))成正(zheng)比,有(you)(you)(you)時(shi)(shi)用(yong)小(xiao)(xiao)功率(lv)(lv)(lv),花費(fei)很長時(shi)(shi)間(jian)也沒有(you)(you)(you)清(qing)(qing)(qing)除污垢。而如(ru)果(guo)功率(lv)(lv)(lv)達到(dao)一(yi)定數值,有(you)(you)(you)時(shi)(shi)很快便將污垢去(qu)除。若選(xuan)擇功率(lv)(lv)(lv)太(tai)大(da),空化強度將大(da)大(da)增加,清(qing)(qing)(qing)洗(xi)(xi)(xi)效果(guo)是提(ti)高(gao)了(le),但這(zhe)時(shi)(shi)使(shi)較(jiao)精密的(de)零件(jian)也產生蝕點(dian),得不償失,而且清(qing)(qing)(qing)洗(xi)(xi)(xi)缸底部振動板(ban)處(chu)空化嚴(yan)重(zhong),水(shui)點(dian)腐(fu)(fu)蝕也增大(da),在(zai)采(cai)用(yong)三氯乙烯(xi)等(deng)有(you)(you)(you)機溶(rong)劑時(shi)(shi),基本上(shang)沒有(you)(you)(you)問(wen)題,但采(cai)用(yong)水(shui)或水(shui)溶(rong)性(xing)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)時(shi)(shi),易(yi)于受到(dao)水(shui)點(dian)腐(fu)(fu)蝕,如(ru)果(guo)振動板(ban)表(biao)面已(yi)受到(dao)傷痕,強功率(lv)(lv)(lv)下水(shui)底產生空化腐(fu)(fu)蝕更嚴(yan)重(zhong),因此要(yao)按實際(ji)使(shi)用(yong)情況選(xuan)擇超(chao)(chao)聲(sheng)功率(lv)(lv)(lv)。 二(er)、頻(pin)率(lv)(lv)(lv)的(de)選(xuan)擇 超(chao)(chao)聲(sheng)清(qing)(qing)(qing)洗(xi)(xi)(xi)頻(pin)率(lv)(lv)(lv)從28kHz到(dao)120kHz之間(jian),在(zai)使(shi)用(yong)水(shui)或水(shui)清(qing)(qing)(qing)洗(xi)(xi)(xi)劑時(shi)(shi)由空穴作用(yong)引起(qi)的(de)物(wu)(wu)理清(qing)(qing)(qing)洗(xi)(xi)(xi)力顯(xian)然對低頻(pin)有(you)(you)(you)利(li),一(yi)般使(shi)用(yong)28-40kHz左右。對小(xiao)(xiao)間(jian)隙、狹縫(feng)、深孔的(de)零件(jian)清(qing)(qing)(qing)洗(xi)(xi)(xi),用(yong)高(gao)頻(pin)(一(yi)般40kHz以(yi)上(shang))較(jiao)好,甚至(zhi)幾百kHz。對鐘表(biao)零件(jian)清(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi),用(yong)400kHz。若用(yong)寬帶調頻(pin)清(qing)(qing)(qing)洗(xi)(xi)(xi),效果(guo)更良好。 三、清(qing)(qing)(qing)洗(xi)(xi)(xi)籃(lan)的(de)使(shi)用(yong) 在(zai)清(qing)(qing)(qing)洗(xi)(xi)(xi)小(xiao)(xiao)零件(jian)物(wu)(wu)品時(shi)(shi),常使(shi)用(yong)網(wang)籃(lan),由于網(wang)眼(yan)要(yao)引起(qi)超(chao)(chao)聲(sheng)衰減(jian),要(yao)特別引起(qi)注意。當(dang)(dang)頻(pin)率(lv)(lv)(lv)為(wei)28khz時(shi)(shi)使(shi)用(yong)10mm以(yi)上(shang)的(de)網(wang)眼(yan)為(wei)好。 四、清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)溫(wen)度的(de)選(xuan)擇 水(shui)清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)最適宜的(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)溫(wen)度為(wei)40-60℃,尤其在(zai)天冷時(shi)(shi)若清(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)溫(wen)度低空化效應差(cha),清(qing)(qing)(qing)洗(xi)(xi)(xi)效果(guo)也差(cha)。因此有(you)(you)(you)部分清(qing)(qing)(qing)洗(xi)(xi)(xi)機在(zai)清(qing)(qing)(qing)洗(xi)(xi)(xi)缸外邊繞上(shang)加熱電(dian)熱絲進行溫(wen)度控制,當(dang)(dang)溫(wen)度升高(gao)后空化易(yi)發(fa)生,所(suo)以(yi)清(qing)(qing)(qing)洗(xi)(xi)(xi)...
發布(bu)時間:
2020
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06
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18
瀏(liu)覽次數：168