機械密(mi)封包(bao)括(kuo)壓力控(kong)制(zhi)(zhi)、溫度控(kong)制(zhi)(zhi)、流體替換(堵塞(sai))和雜質去除(chu)系(xi)統(tong)。在機械密(mi)封系(xi)統(tong)中，上述系(xi)統(tong)并(bing)不同時(shi)包(bao)括(kuo)在內。密(mi)封系(xi)統(tong)的選擇主(zhu)要取決于主(zhu)密(mi)封件的應用范圍。例(li)如(ru)，如(ru)...
機(ji)(ji)械(xie)密封利用機(ji)(ji)械(xie)方式傳(chuan)(chuan)(chuan)遞動(dong)(dong)力和運動(dong)(dong)的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)，機(ji)(ji)械(xie)傳(chuan)(chuan)(chuan)動(dong)(dong)在(zai)機(ji)(ji)械(xie)工程(cheng)中應用非常廣泛，有多種形式，主(zhu)要(yao)包括皮帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)、齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)、齒(chi)輪(lun)齒(chi)條(tiao)傳(chuan)(chuan)(chuan)動(dong)(dong)和螺旋(xuan)傳(chuan)(chuan)(chuan)動(dong)(dong)...
機械密(mi)(mi)封是靠(kao)彈性元件(繃簧、波紋管等) 和密(mi)(mi)封液體壓(ya)(ya)(ya)力在(zai)相對(dui)運動(dong)的動(dong)環和靜環的接觸面(mian)(端面(mian))上發(fa)作一恰當的壓(ya)(ya)(ya)緊力(比(bi)壓(ya)(ya)(ya))使兩個亮光、 平(ping)直的端面(mian)緊密(mi)(mi)貼(tie)合；端面(mian)間...
機械密(mi)(mi)(mi)(mi)封(feng)是一種依靠彈性元(yuan)(yuan)件對動(dong)(dong)、靜環(huan)端(duan)面密(mi)(mi)(mi)(mi)封(feng)副的預緊和(he)介質(zhi)壓(ya)力(li)與彈性元(yuan)(yuan)件壓(ya)力(li)的壓(ya)緊而達到密(mi)(mi)(mi)(mi)封(feng)的軸向端(duan)面密(mi)(mi)(mi)(mi)封(feng)裝置。動(dong)(dong)環(huan)和(he)靜環(huan)的端(duan)面組成一對摩擦副，動(dong)(dong)環(huan)靠密(mi)(mi)(mi)(mi)封(feng)室中液...
熱水(shui)(shui)泵集(ji)式機(ji)械(xie)密封是指安(an)裝(zhuang)運行(xing)在泵類設備(bei)中(zhong)起動態密封作用的(de)裝(zhuang)置，避免水(shui)(shui)泵蝸殼中(zhong)的(de)流體介質通過泵軸(zhou)流出。由于水(shui)(shui)泵多(duo)為輸送流體介質，具有(you)水(shui)(shui)平安(an)裝(zhuang)、高轉速(su)、高壓力(li)、帶...
反壓狀態是不良(liang)的(de)工作狀態，介質中的(de)顆粒(li)、雜質很(hen)容易進入(ru)密封(feng)面(mian)，使密封(feng)失(shi)效。磨軸(zhou)的(de)主要件(jian)為橡膠波紋管(guan)，且由于上端(duan)密封(feng)面(mian)處(chu)于不良(liang)潤滑狀態，動靜環之間的(de)摩擦力矩大于橡...
