(1)密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian)打開(kai) 在(zai)修理機(ji)械(xie)密(mi)封(feng)(feng)(feng)件時(shi),85%的密(mi)封(feng)(feng)(feng)失效不(bu)是因磨損造成(cheng),而(er)是在(zai)磨損前就(jiu)已泄漏了。 當密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian)一(yi)打開(kai),介質中的固(gu)(gu)體微粒(li)在(zai)液體壓力的作用(yong)下進入(ru)密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian),密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian)閉(bi)合(he)(he)后(hou)(hou),這(zhe)(zhe)些固(gu)(gu)體微粒(li)就(jiu)嵌入(ru)軟環(huan)(huan)(通常是右墨環(huan)(huan))的面(mian)(mian)(mian)(mian)上,這(zhe)(zhe)實際(ji)成(cheng)了一(yi)個“砂輪(lun)”會(hui)損壞硬環(huan)(huan)表(biao)面(mian)(mian)(mian)(mian)。 由于動環(huan)(huan)或橡(xiang)膠圈緊固(gu)(gu)在(zai)軸(zhou)(軸(zhou)套)上,當軸(zhou)串(chuan)動時(shi),動環(huan)(huan)不(bu)能及時(shi)貼合(he)(he),而(er)使(shi)密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian)打開(kai),并且密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian)的滯后(hou)(hou)閉(bi)合(he)(he),就(jiu)使(shi)固(gu)(gu)體微粒(li)進入(ru)密(mi)封(feng)(feng)(feng)面(mian)(mian)(mian)(mian)中。
2021/07/16 475
機(ji)(ji)(ji)械(xie)密封(feng)件直接關(guan)系(xi)到相關(guan)機(ji)(ji)(ji)電(dian)設(she)備的(de)(de)使(shi)用(yong)壽命(ming)(ming)和(he)精密度(du)。 屬于精密、結構較為(wei)復雜的(de)(de)機(ji)(ji)(ji)械(xie)基礎(chu)元(yuan)件之一(yi),其(qi)密封(feng)性能和(he)使(shi)用(yong)壽命(ming)(ming)取決于許多因素,如選型、機(ji)(ji)(ji)器的(de)(de)精度(du)、正確(que)的(de)(de)安裝使(shi)用(yong)等。是(shi)各種泵類、潛水電(dian)機(ji)(ji)(ji)、反應合成釜、透平壓縮機(ji)(ji)(ji)等設(she)備的(de)(de)關(guan)鍵部件。
2021/07/16 432
泵(beng)是輸(shu)送(song)液(ye)(ye)(ye)體或使液(ye)(ye)(ye)體增壓的(de)(de)機(ji)(ji)械,主要(yao)用(yong)來輸(shu)送(song)液(ye)(ye)(ye)體包括水、油、酸堿液(ye)(ye)(ye)、乳化液(ye)(ye)(ye)、懸(xuan)乳液(ye)(ye)(ye)和液(ye)(ye)(ye)態金屬等,也可(ke)輸(shu)送(song)液(ye)(ye)(ye)體、氣(qi)體混合物(wu)以及含懸(xuan)浮(fu)固(gu)體物(wu)的(de)(de)液(ye)(ye)(ye)體。所以對于泵(beng)的(de)(de)密封裝(zhuang)置要(yao)求就相當嚴格,一絲泄露將影(ying)響整個(ge)泵(beng)的(de)(de)運(yun)行,質(zhi)量(liang)。我公(gong)司生(sheng)產的(de)(de)各(ge)(ge)種泵(beng)用(yong)機(ji)(ji)械密封件廣泛應用(yong)于各(ge)(ge)個(ge)行業(ye),深受用(yong)戶(hu)好(hao)評,歡迎選購咨(zi)詢。
2021/07/16 194