安定液壓密封件材料性能要求

　　液壓密封技術的好壞會影響液壓支架的工作質量和壽命。那麼液壓密封件產品應該具備哪些性能呢?

　　1
、耐溫性能

　　mifengjiandegongzuowenduqujueyumifengjiezhidewendujimifengjianbenshenzaiyundongguochengzhongdewensheng。wenduzhijieyingxiangmifengxingneng。guogaodewenduwangwanghuijiasumifengcailiaodelaohua，jiangdicailiaodedanxing、硬度等性能，發生材料硬化;溫度過低也會導致材料加速硬化
，失去彈性性能，降低了材料的密封效果。綜上所述，應采用有一定使用溫度範圍的材料。

　　2、耐介質性

　　因yin為wei材cai料liao在zai介jie質zhi中zhong的de溶rong脹zhang程cheng度du是shi密mi封feng性xing能neng好hao壞huai的de關guan鍵jian因yin素su，所suo以yi在zai選xuan擇ze液ye壓ya密mi封feng件jian材cai料liao時shi
，第di一yi要yao考kao慮lv的de因yin素su是shi所suo選xuan擇ze的de材cai料liao能neng否fou很hen好hao地di與yu密mi封feng介jie質zhi相xiang容rong;ruguomifengcailiaohemifengliutixiangrong，huidaozhimifengjianpengzhanghuoshousuo
，zaishiyongchuqijiufashengguzhang。mifengjianpengzhangyinqimocazulizengjia，tongshihuishimifengjiangundong。mifengjianshousuohuiyinqiyuyaliangjianshao
，pianxinbuchangnenglijiangdi，zhizhixielou。

　　3
、耐磨性能

　　材cai料liao的de耐nai磨mo特te性xing是shi動dong密mi封feng的de重zhong要yao性xing能neng指zhi標biao之zhi一yi。耐nai磨mo性xing好hao，則ze使shi用yong壽shou命ming長chang。材cai料liao耐nai磨mo性xing能neng與yu材cai料liao的de硬ying度du有you著zhe密mi切qie的de聯lian係xi，材cai料liao硬ying度du越yue高gao耐nai磨mo性xing越yue好hao，使shi用yong壽shou命ming越yue長chang;

　　4、抗拉強度

　　yinweiyibanmifengcailiaodekanglaqiangduhuibansuizhewendudeshenggaoerchengxiajiangqushi，suoyixuanzecailiaoshi，bixukaolvqishijizuigaoshiyongwendujigaowenqingkuangxiadejixieqiangdu。kanglaqiangduguodi，huichanshengyidingliangdeyinglisongchishenzhiyongjiubianxing
，zaochengmifengshixiao。kanglaqiangduguogao
，duicailiaodexingnengyaoqiuguoyukeke。suoyi，shijixuanzecailiaoshi，yinggaizonghekaolvcailiaodekanglaqiangdu;

　　5、永久變形

　　yinweiyeyamifengjianmifengnenglidetigongzhuyaoshiyikaoqizaimifenggoucaoneizishenchanshengkehuifudeyasuobianxingerhuodede。suoyi
，suoxuandemifengcailiaodeyongjiuxingbianxingyaoxiao
，danxingyaoqiang，huidanliyaogao。lingwai
，cailiaodeyongjiubianxinghaiyuwendubianhuayouyidingguanxi
，wenduguogaohuoguodidouhuizengjiayongjiubianxing;

　　6


、彈性

　　所(suo)謂(wei)擠(ji)壓(ya)型(xing)密(mi)封(feng)就(jiu)是(shi)指(zhi)依(yi)靠(kao)密(mi)封(feng)材(cai)料(liao)受(shou)壓(ya)後(hou)自(zi)身(shen)產(chan)生(sheng)的(de)回(hui)彈(dan)力(li)而(er)得(de)到(dao)密(mi)封(feng)能(neng)力(li)的(de)一(yi)種(zhong)密(mi)封(feng)方(fang)式(shi)。因(yin)為(wei)唇(chun)形(xing)密(mi)封(feng)可(ke)能(neng)存(cun)在(zai)一(yi)定(ding)量(liang)的(de)偏(pian)心(xin)，所(suo)以(yi)需(xu)要(yao)依(yi)靠(kao)材(cai)料(liao)的(de)彈(dan)性(xing)來(lai)補(bu)償(chang)密(mi)封(feng)的(de)接(jie)觸(chu)應(ying)力(li)不(bu)足(zu)等(deng)問(wen)題(ti)。所(suo)以(yi)
，材(cai)料(liao)的(de)彈(dan)性(xing)對(dui)於(yu)密(mi)封(feng)效(xiao)果(guo)的(de)好(hao)壞(huai)至(zhi)關(guan)重(zhong)要(yao);

　　7、硬度

　　yingdushimifengcailiaodezhongyaozhibiao，zhuyaogenjumifengmiandecucaodulaiqueding。dangmifengmianbijiaocucaoshi，mifengjiandeyingduyaodi，zheyangcainengbaozhengmifengxiaoguohao。mifengyalibijiaogaodebuwei，zeyaoqiushidangtigaomifengjiandeyingdu，zheyangkeyifangmifengjianguodubianxing，fangzhifashengmifengjianbeijichudexianxiang。ciwai，cailiaoyingduyousuishiyongwendushenggaoerxiajiangdetedian，bingqieyingdugao，cailiaodenaimoxingnengyeqiang。