一(yi)、功(gong)率的(de)(de)選(xuan)擇(ze)(ze) 超(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果不一(yi)定與(功(gong)率×清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)間)成正比,有(you)(you)(you)時(shi)用(yong)(yong)(yong)(yong)(yong)(yong)小功(gong)率,花費很長時(shi)間也沒有(you)(you)(you)清(qing)(qing)(qing)(qing)(qing)除污(wu)(wu)垢。而如(ru)果功(gong)率達到一(yi)定數值,有(you)(you)(you)時(shi)很快便將污(wu)(wu)垢去除。若(ruo)(ruo)選(xuan)擇(ze)(ze)功(gong)率太大(da),空化(hua)(hua)(hua)強度(du)將大(da)大(da)增(zeng)(zeng)加,清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果是提高了,但這時(shi)使(shi)(shi)較精密的(de)(de)零(ling)件也產生蝕點,得不償失,而且清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)缸(gang)(gang)底(di)部振(zhen)動板處空化(hua)(hua)(hua)嚴(yan)重,水(shui)(shui)點腐蝕也增(zeng)(zeng)大(da),在(zai)采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)三氯(lv)乙烯等有(you)(you)(you)機溶(rong)劑時(shi),基(ji)本上(shang)沒有(you)(you)(you)問題,但采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)水(shui)(shui)或水(shui)(shui)溶(rong)性清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)時(shi),易(yi)于受(shou)到水(shui)(shui)點腐蝕,如(ru)果振(zhen)動板表面已受(shou)到傷(shang)痕(hen),強功(gong)率下水(shui)(shui)底(di)產生空化(hua)(hua)(hua)腐蝕更嚴(yan)重,因此要按實際使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)情況選(xuan)擇(ze)(ze)超(chao)聲(sheng)(sheng)功(gong)率。 二、頻(pin)(pin)率的(de)(de)選(xuan)擇(ze)(ze) 超(chao)聲(sheng)(sheng)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)頻(pin)(pin)率從(cong)28kHz到120kHz之間,在(zai)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)水(shui)(shui)或水(shui)(shui)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)劑時(shi)由(you)空穴作用(yong)(yong)(yong)(yong)(yong)(yong)引(yin)起(qi)的(de)(de)物(wu)理清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)力顯然對(dui)(dui)低頻(pin)(pin)有(you)(you)(you)利(li),一(yi)般使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)28-40kHz左右。對(dui)(dui)小間隙、狹縫、深孔的(de)(de)零(ling)件清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),用(yong)(yong)(yong)(yong)(yong)(yong)高頻(pin)(pin)(一(yi)般40kHz以上(shang))較好(hao)(hao),甚至幾百kHz。對(dui)(dui)鐘表零(ling)件清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi),用(yong)(yong)(yong)(yong)(yong)(yong)400kHz。若(ruo)(ruo)用(yong)(yong)(yong)(yong)(yong)(yong)寬帶(dai)調頻(pin)(pin)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi),效(xiao)果更良好(hao)(hao)。 三、清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)籃的(de)(de)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong) 在(zai)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)小零(ling)件物(wu)品時(shi),常使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)網(wang)籃,由(you)于網(wang)眼(yan)要引(yin)起(qi)超(chao)聲(sheng)(sheng)衰減,要特別引(yin)起(qi)注意(yi)。當頻(pin)(pin)率為(wei)28khz時(shi)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)10mm以上(shang)的(de)(de)網(wang)眼(yan)為(wei)好(hao)(hao)。 四、清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)溫度(du)的(de)(de)選(xuan)擇(ze)(ze) 水(shui)(shui)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)最適宜的(de)(de)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)溫度(du)為(wei)40-60℃,尤其在(zai)天冷(leng)時(shi)若(ruo)(ruo)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)溫度(du)低空化(hua)(hua)(hua)效(xiao)應差(cha),清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效(xiao)果也差(cha)。因此有(you)(you)(you)部分(fen)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機在(zai)清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)缸(gang)(gang)外邊繞上(shang)加熱電熱絲(si)進行溫度(du)控制(zhi),當溫度(du)升(sheng)高后空化(hua)(hua)(hua)易(yi)發生,所以清(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)...
發布時間:
2020
-
06
-
18
瀏覽次數:139