一(yi)(yi)、功率(lv)的(de)(de)選(xuan)(xuan)(xuan)擇 超聲波清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)(xiao)果不(bu)一(yi)(yi)定(ding)(ding)與(功率(lv)×清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi)間)成正比,有(you)(you)(you)時(shi)(shi)用(yong)(yong)(yong)(yong)小功率(lv),花費很長(chang)時(shi)(shi)間也沒有(you)(you)(you)清(qing)(qing)(qing)(qing)除污垢(gou)。而如(ru)果功率(lv)達到一(yi)(yi)定(ding)(ding)數值(zhi),有(you)(you)(you)時(shi)(shi)很快便將污垢(gou)去除。若(ruo)選(xuan)(xuan)(xuan)擇功率(lv)太大(da)(da),空(kong)(kong)化(hua)強(qiang)度(du)將大(da)(da)大(da)(da)增加,清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)(xiao)果是提高(gao)了,但這(zhe)時(shi)(shi)使(shi)較精密的(de)(de)零(ling)件(jian)也產(chan)(chan)生(sheng)蝕(shi)點(dian),得(de)不(bu)償失,而且清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)缸底(di)(di)部振動(dong)板處空(kong)(kong)化(hua)嚴(yan)重,水(shui)(shui)(shui)點(dian)腐蝕(shi)也增大(da)(da),在(zai)(zai)采用(yong)(yong)(yong)(yong)三氯乙(yi)烯等(deng)有(you)(you)(you)機溶(rong)劑時(shi)(shi),基本上沒有(you)(you)(you)問題(ti),但采用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)或水(shui)(shui)(shui)溶(rong)性清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)時(shi)(shi),易(yi)于受到水(shui)(shui)(shui)點(dian)腐蝕(shi),如(ru)果振動(dong)板表面已受到傷痕,強(qiang)功率(lv)下水(shui)(shui)(shui)底(di)(di)產(chan)(chan)生(sheng)空(kong)(kong)化(hua)腐蝕(shi)更嚴(yan)重,因此(ci)要(yao)(yao)按實際使(shi)用(yong)(yong)(yong)(yong)情況選(xuan)(xuan)(xuan)擇超聲功率(lv)。 二(er)、頻率(lv)的(de)(de)選(xuan)(xuan)(xuan)擇 超聲清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)頻率(lv)從28kHz到120kHz之間,在(zai)(zai)使(shi)用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)或水(shui)(shui)(shui)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)劑時(shi)(shi)由(you)空(kong)(kong)穴作(zuo)用(yong)(yong)(yong)(yong)引起的(de)(de)物理清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)力顯然(ran)對(dui)低頻有(you)(you)(you)利,一(yi)(yi)般使(shi)用(yong)(yong)(yong)(yong)28-40kHz左右。對(dui)小間隙(xi)、狹縫、深孔的(de)(de)零(ling)件(jian)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),用(yong)(yong)(yong)(yong)高(gao)頻(一(yi)(yi)般40kHz以上)較好(hao)(hao),甚(shen)至(zhi)幾百(bai)kHz。對(dui)鐘(zhong)表零(ling)件(jian)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi),用(yong)(yong)(yong)(yong)400kHz。若(ruo)用(yong)(yong)(yong)(yong)寬帶調頻清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),效(xiao)(xiao)果更良好(hao)(hao)。 三、清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)籃的(de)(de)使(shi)用(yong)(yong)(yong)(yong) 在(zai)(zai)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)小零(ling)件(jian)物品(pin)時(shi)(shi),常使(shi)用(yong)(yong)(yong)(yong)網籃,由(you)于網眼要(yao)(yao)引起超聲衰減,要(yao)(yao)特(te)別引起注意。當(dang)頻率(lv)為(wei)(wei)28khz時(shi)(shi)使(shi)用(yong)(yong)(yong)(yong)10mm以上的(de)(de)網眼為(wei)(wei)好(hao)(hao)。 四、清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)溫(wen)度(du)的(de)(de)選(xuan)(xuan)(xuan)擇 水(shui)(shui)(shui)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)最(zui)適宜的(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)溫(wen)度(du)為(wei)(wei)40-60℃,尤其在(zai)(zai)天(tian)冷時(shi)(shi)若(ruo)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液(ye)溫(wen)度(du)低空(kong)(kong)化(hua)效(xiao)(xiao)應差,清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)(xiao)果也差。因此(ci)有(you)(you)(you)部分清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)機在(zai)(zai)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)缸外邊繞上加熱電熱絲進行溫(wen)度(du)控制,當(dang)溫(wen)度(du)升(sheng)高(gao)后空(kong)(kong)化(hua)易(yi)發(fa)生(sheng),所以清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)...
發布(bu)時間:
2020
-
06
-
18
瀏覽次數:168