發布時間:2026-04-14 17:45:24 人氣:347374 來源:川工密封
損壞是利津機械密封的一種無效方式。掌握利津機械密封的損傷規律,預測磨損率,努力提高利津機械密封的耐磨壽命是一個關鍵問題。
摩擦表麵可能出現的主要磨損形式是粘著磨損、磨粒磨損、疲勞磨損、微動磨損和腐蝕磨損。
1.利津機械密封被粘附和磨損
youyubiaomianyoucucaodeweituqi,biaomianjiechufashengzaifensandeweituqichu。mocafashengzaijiechudian,dangrunhuamohebiaomianmopolieshi,jinshuzhijianhuifashengzhijiejiechu,lianjiedianbuduanbeiqieduan,tongshihuichanshengxindelianjiedian。
ruguojianqiefashengzaijiediandejiemianshang,lianggebiaomianshangdoumeiyoumosun。ruguojianqiefashengzaijinshuzhong,biaomiandejinshuhuibeizhuanyi,biaomianhuibeisunhuaihemosun。jinshuzhuanyishizhanzhemosundezhuyaotezheng。
2.利津機械密封的磨損
moliaomosunshizuichangjiandemosunxingshi,yuezhanzongmosundeyiban。moliaomosunshizhidangjiechumianxiangduiyundongshi,youyingbiaomianshangdeyingkelihuoweituqiyinqi,zaimocaguochengzhongbiaomianhuashang,biaomiancailiaotuoluo。
磨料磨損是一種“微切削過程”。磨料會引起表層材料的交替變形,產生交替接觸應力,造成表麵疲勞破壞。然而,磨粒在表麵上的機械作用始終占主導地位。
3.利津機械密封的疲勞磨損
摩擦表麵受到交變應力,表麵材料因疲勞而損壞,這種情況經常發生在齒輪、滾動軸承等零件上。
pilaoliewenkenengfashengzaijiechumianxiadezuidajianyinglichu,yinweisuxingbianxingzuiyanzhong。diyitiaoliewenhuiyanzuidajianyinglifangxiangxiangbiaomiankuozhan,zuizhongyinqipilaomosun。jiaobianyingliyinqidebiaomiancailiaopilaoyinqidecailiaozhuanyichengweipilaomosun,youshiyechengweijiechupilao。
4.利津機械密封的微動磨損
由you表biao麵mian之zhi間jian的de小xiao振zhen幅fu相xiang對dui振zhen動dong引yin起qi的de磨mo損sun現xian象xiang稱cheng為wei微wei動dong磨mo損sun。如ru果guo兩liang個ge表biao麵mian之zhi間jian的de化hua學xue反fan應ying在zai微wei動dong磨mo損sun過guo程cheng中zhong起qi主zhu要yao作zuo用yong,則ze稱cheng為wei微wei動dong腐fu蝕shi磨mo損sun。
如ru果guo相xiang互hu接jie觸chu的de表biao麵mian之zhi間jian存cun在zai一yi定ding的de壓ya力li,表biao麵mian上shang的de微wei小xiao突tu起qi就jiu會hui發fa生sheng粘zhan連lian,由you於yu外wai界jie小xiao振zhen幅fu引yin起qi的de振zhen動dong,粘zhan連lian點dian會hui不bu斷duan被bei剪jian切qie。在zai剪jian切qie過guo程cheng中zhong,粘zhan結jie點dian會hui逐zhu漸jian氧yang化hua,產chan生sheng紅hong棕zong色se的de氧yang化hua鐵tie磨mo屑xie。在zai這zhe個ge過guo程cheng中zhong,氧yang化hua的de磨mo料liao碎sui片pian從cong主zhu體ti上shang分fen離li,粘zhan附fu點dian被bei破po壞huai。同tong時shi,這zhe些xie磨mo屑xie也ye起qi到dao磨mo料liao的de作zuo用yong,在zai接jie觸chu麵mian上shang造zao成cheng磨mo料liao磨mo損sun。當dang磨mo損sun麵mian積ji不bu斷duan擴kuo大da時shi,接jie觸chu麵mian最zui終zhong被bei完wan全quan破po壞huai。這zhe就jiu是shi微wei動dong磨mo損sun的de機ji理li。
5. 利津機械密封件腐蝕磨損
麵mian主zhu要yao在zai化hua學xue或huo者zhe電dian化hua學xue反fan應ying作zuo用yong下xia的de磨mo損sun過guo程cheng稱cheng為wei腐fu蝕shi磨mo損sun。一yi般ban,在zai腐fu蝕shi過guo程cheng中zhong,磨mo損sun是shi中zhong等deng程cheng度du的de。但dan是shi由you於yu有you腐fu蝕shi作zuo用yong,可ke以yi產chan生sheng很hen嚴yan重zhong的de結jie果guo,特te別bie是shi在zai高gao溫wen或huo者zhe潮chao濕shi的de環huan境jing中zhong,這zhe種zhong磨mo損sun會hui加jia劇ju。
以上幾點是利津機械密封件磨損的表現形式,希望大家能夠更好的了解並避免這些磨損。