一(yi)(yi)、功率(lv)(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)選擇(ze) 超聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)(xiao)果(guo)不(bu)一(yi)(yi)定與(功率(lv)(lv)(lv)(lv)(lv)(lv)×清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi)間)成正(zheng)比,有(you)(you)(you)時(shi)(shi)用(yong)(yong)小(xiao)功率(lv)(lv)(lv)(lv)(lv)(lv),花(hua)費(fei)很長(chang)時(shi)(shi)間也沒有(you)(you)(you)清(qing)(qing)(qing)(qing)(qing)(qing)除污垢。而如(ru)果(guo)功率(lv)(lv)(lv)(lv)(lv)(lv)達(da)到一(yi)(yi)定數值,有(you)(you)(you)時(shi)(shi)很快便將污垢去除。若選擇(ze)功率(lv)(lv)(lv)(lv)(lv)(lv)太大(da),空化強(qiang)度(du)將大(da)大(da)增(zeng)加(jia),清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)(xiao)果(guo)是提高(gao)了(le),但這(zhe)時(shi)(shi)使(shi)較(jiao)精密的(de)(de)(de)零(ling)(ling)件(jian)也產生蝕點(dian)(dian),得不(bu)償(chang)失,而且清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)缸底(di)部振動板(ban)處(chu)空化嚴重,水點(dian)(dian)腐(fu)蝕也增(zeng)大(da),在采(cai)用(yong)(yong)三氯乙烯等有(you)(you)(you)機溶劑時(shi)(shi),基本上(shang)(shang)(shang)沒有(you)(you)(you)問題,但采(cai)用(yong)(yong)水或(huo)水溶性(xing)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液時(shi)(shi),易于受到水點(dian)(dian)腐(fu)蝕,如(ru)果(guo)振動板(ban)表(biao)面已(yi)受到傷痕,強(qiang)功率(lv)(lv)(lv)(lv)(lv)(lv)下水底(di)產生空化腐(fu)蝕更嚴重,因(yin)此(ci)要(yao)按實際使(shi)用(yong)(yong)情況選擇(ze)超聲(sheng)(sheng)功率(lv)(lv)(lv)(lv)(lv)(lv)。 二、頻率(lv)(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)選擇(ze) 超聲(sheng)(sheng)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)頻率(lv)(lv)(lv)(lv)(lv)(lv)從28kHz到120kHz之間,在使(shi)用(yong)(yong)水或(huo)水清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)劑時(shi)(shi)由(you)空穴作用(yong)(yong)引起的(de)(de)(de)物(wu)理清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)力顯然對低頻有(you)(you)(you)利,一(yi)(yi)般(ban)使(shi)用(yong)(yong)28-40kHz左(zuo)右。對小(xiao)間隙、狹縫、深(shen)孔的(de)(de)(de)零(ling)(ling)件(jian)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),用(yong)(yong)高(gao)頻(一(yi)(yi)般(ban)40kHz以(yi)上(shang)(shang)(shang))較(jiao)好,甚至幾百kHz。對鐘表(biao)零(ling)(ling)件(jian)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)時(shi)(shi),用(yong)(yong)400kHz。若用(yong)(yong)寬帶調(diao)頻清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi),效(xiao)(xiao)果(guo)更良好。 三、清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)籃(lan)的(de)(de)(de)使(shi)用(yong)(yong) 在清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)小(xiao)零(ling)(ling)件(jian)物(wu)品時(shi)(shi),常(chang)使(shi)用(yong)(yong)網(wang)籃(lan),由(you)于網(wang)眼要(yao)引起超聲(sheng)(sheng)衰減(jian),要(yao)特別(bie)引起注意。當頻率(lv)(lv)(lv)(lv)(lv)(lv)為28khz時(shi)(shi)使(shi)用(yong)(yong)10mm以(yi)上(shang)(shang)(shang)的(de)(de)(de)網(wang)眼為好。 四、清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液溫度(du)的(de)(de)(de)選擇(ze) 水清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液最適(shi)宜的(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)溫度(du)為40-60℃,尤其在天冷(leng)時(shi)(shi)若清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)液溫度(du)低空化效(xiao)(xiao)應差,清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)效(xiao)(xiao)果(guo)也差。因(yin)此(ci)有(you)(you)(you)部分(fen)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)機在清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)缸外邊(bian)繞上(shang)(shang)(shang)加(jia)熱電熱絲進行溫度(du)控制,當溫度(du)升高(gao)后(hou)空化易發生,所以(yi)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)...
發布(bu)時間:
2020
-
06
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18
瀏覽次數:139