發布時間:2026-04-20 18:16:04 人氣:315060 來源:
東豐機械密封youchengduanmianmifeng,tazhishaoyouyiduichuizhiyuxuanzhuanzhouxiandeduanmian,gaiduanmianzailiutiyalijibuchangjixiewaidanlidezuoyongxia,jiazhifuzhumifengdepeihe,yulingyiduanmianbaochitiehebingxiangduihuadong,congerfangzhiliutixielu。
當密封腔內的溫度超過150℃時,可能會出現以下問題:
1.端麵摩擦熱未能被帶走,會對密封環起加熱作用,使密封端麵溫度過高,造成端麵液膜汽化,出現幹摩擦;

2.mifenghuanmocafufashengrebianxingherelie。zaijianxiushixiaodemifengdonghuanshi,huifaxianyouguanchuanzhenggejingxiangduanmiandeliewenjiweiliewen,youqishidaorexishudijicuixingcailiaozhizaodemocafuhuangengrongyifashengduanmianrelie。chanshengreliedeyuanyinzhuyaoshi東豐機械密封件(jian)的(de)密(mi)封(feng)端(duan)麵(mian)在(zai)回(hui)轉(zhuan)過(guo)程(cheng)中(zhong),不(bu)斷(duan)地(di)產(chan)生(sheng)大(da)量(liang)的(de)摩(mo)擦(ca)熱(re)使(shi)表(biao)麵(mian)凹(ao)凸(tu)不(bu)平(ping)麵(mian)加(jia)速(su)了(le)磨(mo)損(sun)。同(tong)時(shi),熱(re)裂(lie)都(dou)是(shi)徑(jing)向(xiang)的(de),加(jia)大(da)了(le)泄(xie)漏(lou)的(de)渠(qu)道(dao),改(gai)變(bian)了(le)端(duan)麵(mian)間(jian)的(de)壓(ya)力(li)分(fen)布(bu),喪(sang)失(shi)了(le)密(mi)封(feng)的(de)嚴(yan)密(mi)性(xing),使(shi)端(duan)麵(mian)泄(xie)露(lu)增(zeng)加(jia);
3.材料的腐蝕和磨損加快,並可能發生變質;
4.輔助密封圈(如氟橡膠、丁腈橡膠等)在超過許用溫度後,會迅速老化、龜裂、變硬和失去彈性;
5.彈簧疲勞強度降低。