襄城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

　　yinweicailiaozaijiezhizhongderongzhangchengdushimifengxingnenghaohuaideguanjianyinsu，suoyizaixuanzeyeyamifengjiancailiaoshi
，diyiyaokaolvdeyinsushisuoxuanzedecailiaonengfouhenhaodiyumifengjiezhixiangrong;ruguomifengcailiaohemifengliutixiangrong
，huidaozhimifengjianpengzhanghuoshousuo，zaishiyongchuqijiufashengguzhang。mifengjianpengzhangyinqimocazulizengjia，tongshihuishimifengjiangundong。mifengjianshousuohuiyinqiyuyaliangjianshao，pianxinbuchangnenglijiangdi，zhizhixielou。

　　3、耐磨性能

　　cailiaodenaimotexingshidongmifengdezhongyaoxingnengzhibiaozhiyi。naimoxinghao，zeshiyongshoumingchang。cailiaonaimoxingnengyucailiaodeyingduyouzhemiqiedelianxi
，cailiaoyingduyuegaonaimoxingyuehao，shiyongshoumingyuechang;

　　4、抗拉強度

　　yinweiyibanmifengcailiaodekanglaqiangduhuibansuizhewendudeshenggaoerchengxiajiangqushi，suoyixuanzecailiaoshi
，bixukaolvqishijizuigaoshiyongwendujigaowenqingkuangxiadejixieqiangdu。kanglaqiangduguodi，huichanshengyidingliangdeyinglisongchishenzhiyongjiubianxing
，zaochengmifengshixiao。kanglaqiangduguogao，duicailiaodexingnengyaoqiuguoyukeke。suoyi

，shijixuanzecailiaoshi
，yinggaizonghekaolvcailiaodekanglaqiangdu;

　　5、永久變形

　　因yin為wei液ye壓ya密mi封feng件jian密mi封feng能neng力li的de提ti供gong主zhu要yao是shi依yi靠kao其qi在zai密mi封feng溝gou槽cao內nei自zi身shen產chan生sheng可ke恢hui複fu的de壓ya縮suo變bian形xing而er獲huo得de的de。所suo以yi，所suo選xuan的de密mi封feng材cai料liao的de永yong久jiu性xing變bian形xing要yao小xiao
，彈dan性xing要yao強qiang
，回hui彈dan力li要yao高gao。另ling外wai
，材cai料liao的de永yong久jiu變bian形xing還hai與yu溫wen度du變bian化hua有you一yi定ding關guan係xi，溫wen度du過guo高gao或huo過guo低di都dou會hui增zeng加jia永yong久jiu變bian形xing;

　　6
、彈性

　　suoweijiyaxingmifengjiushizhiyikaomifengcailiaoshouyahouzishenchanshengdehuidanlierdedaomifengnenglideyizhongmifengfangshi。yinweichunxingmifengkenengcunzaiyidingliangdepianxin，suoyixuyaoyikaocailiaodedanxinglaibuchangmifengdejiechuyinglibuzudengwenti。suoyi，cailiaodedanxingduiyumifengxiaoguodehaohuaizhiguanzhongyao;

　　7
、硬度

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