發布時間:2026-04-14 17:49:32 人氣:247999 來源:
損壞是新榮機械密封常常產生的一種無效方式。針對新榮機械密封件把握損壞規律性,預估磨損率,想方設法增加耐磨損使用壽命便是一個關鍵問題。
摩擦表麵上可能出現的主要磨損表現形式有:粘著磨損、磨料磨損、疲勞磨損、微動磨損和腐蝕磨損。
1.新榮機械密封件粘著磨損
由於表麵上存在著粗糙的微凸體,表麵的接觸發生在分散的微凸體處。摩擦時接觸點處發生,潤滑膜及表麵膜破裂時會出現金屬間的直接接觸,連接點不斷被剪切斷,同時又產生新的連接點。
如果剪切發生在結點界麵上,則兩表麵沒有磨損;如果剪切發生在金屬內部,則會出現表麵金屬的轉移,表麵收到破壞和磨損。金屬的轉移現象是粘著磨損的主要特點。
2.新榮機械密封件磨料磨損
moliaomosunshichangjiandeyizhongmosunxingxingshi,yuezhanmosunzongshudeyiban。moliaomosunshijiechubiaomianzuoxiangduiyundongshiyouyingzhikelihuojiaoyingbiaomianshangdeweituti,zaimocaguochengzhongyiqibiaomiancashangyubiaomiancailiaotuoluo。
磨料磨損是一種“微觀切削過程”.磨料會使表麵層材料受到交變的變形,產生交變的接觸應力使表麵發生疲勞破壞。但是,磨料顆粒對表麵的機械作用總是占主要地位。

3.新榮機械密封件疲勞磨損
摩擦表麵受到交變應力的作用,表麵材料由於疲勞而破壞,齒輪、滾動軸承等零件經常出現這種破壞方式。
疲pi勞lao裂lie紋wen可ke能neng產chan生sheng的de接jie觸chu表biao麵mian下xia最zui大da剪jian切qie應ying力li處chu,因yin為wei該gai處chu塑su性xing變bian形xing最zui劇ju烈lie。首shou先xian出chu現xian的de裂lie紋wen會hui沿yan著zhe最zui大da剪jian切qie應ying力li的de方fang向xiang向xiang表biao麵mian擴kuo展zhan,最zui後hou造zao成cheng疲pi勞lao磨mo損sun。由you於yu交jiao變bian應ying力li使shi表biao麵mian材cai料liao疲pi勞lao而er產chan生sheng物wu質zhi轉zhuan移yi稱cheng為wei疲pi勞lao磨mo損sun,有you時shi也ye稱cheng為wei接jie觸chu疲pi勞lao。
4.新榮機械密封件微動磨損
mianzhijianyouyuzhenfuhenxiaodexiangduizhendongerchanshengdemosunxianxiangchengweiweidongmosun。ruguozhezhongweidongmosunzaichanshengdeguochengzhong,lianggebiaomianjiandehuaxuefanyingqizhuyaozuoyong,zechengweiweidongfushimosun。
ruguozaixianghujiechudebiaomianzhijianyouyidingdeyalishibiaomianweitutizhanzhe,zaizhanzhechuyinweiwaijiexiaozhenfusuoyinqidezhendongerbuduandejianqie,zaijianqieguochengzhong,zhanzhedianzhujianbeiyanghua,huichanshenghonghesesanyanghuaertiemoxie。zhezhongguochengzaijixubuduanjinxingzhong,yanghuamoxietuolibenti,zhanzhedianbeipohuai,tongshi,zhexiemoxiehaiqizhemoliaodezuoyong,shijiechubiaomianchanshengmoliaomosun,dangmosunqubuduankuodashi,yinqijiechubiaomianwanquanpohuai。zhejiushiweidongmosunxingchengdejili。
5.新榮機械密封件腐蝕磨損
mianzhuyaozaihuaxuehuozhedianhuaxuefanyingzuoyongxiademosunguochengchengweifushimosun。yiban,zaifushiguochengzhong,mosunshizhongdengchengdude。danshiyouyuyoufushizuoyong,keyichanshenghenyanzhongdejieguo,tebieshizaigaowenhuozhechaoshidehuanjingzhong,zhezhongmosunhuijiaju。