
威海力建液壓設備廠
經營模式:生(sheng)產加(jia)工(gong)
地址:山東(dong)省威海市羊亭孫家灘工業園
主(zhu)營:液壓(ya)缸,油缸,液壓(ya)系統
業務熱線:
QQ:3049278720
.控制油(you)溫(wen)(wen)(wen)(wen)防止(zhi)密封件變質(zhi)。密封件過(guo)早變質(zhi)可(ke)能是(shi)(shi)由多(duo)種因(yin)素引(yin)起的,一(yi)個(ge)(ge)重要因(yin)素是(shi)(shi)油(you)溫(wen)(wen)(wen)(wen)過(guo)高。溫(wen)(wen)(wen)(wen)度(du)每升高10℃則(ze)密封件壽命就會減半(ban),所以(yi)應(ying)合理(li)設(she)計液壓(ya)系統(tong)或設(she)置冷卻裝置,使(shi)油(you)液溫(wen)(wen)(wen)(wen)度(du)保持在65℃以(yi)下;另一(yi)個(ge)(ge)因(yin)素可(ke)能是(shi)(shi)使(shi)用(yong)(yong)的油(you)液與密封材(cai)料的相容(rong)性問(wen)題,應(ying)按使(shi)用(yong)(yong)說明(ming)書(shu)或有關手冊選用(yong)(yong)液壓(ya)油(you)和密封件的型式和材(cai)質(zhi),以(yi)解決相容(rong)性問(wen)題,延長密封件的使(shi)用(yong)(yong)壽命。
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對機(ji)械(xie)(xie)化施(shi)工(gong)(gong)企業(ye)來說,工(gong)(gong)程(cheng)機(ji)械(xie)(xie)技術狀況的(de)良好(hao)與否是企業(ye)能否正常(chang)生產的(de)直(zhi)接因(yin)素(su)。就(jiu)(jiu)液(ye)壓(ya)(ya)傳動的(de)工(gong)(gong)程(cheng)機(ji)械(xie)(xie)而(er)言,液(ye)壓(ya)(ya)系統(tong)(tong)的(de)正常(chang)運(yun)行是其良好(hao)技術狀況的(de)一(yi)個主(zhu)要標志。合格的(de)液(ye)壓(ya)(ya)油是液(ye)壓(ya)(ya)系統(tong)(tong)可靠(kao)運(yun)行的(de)保障,正確的(de)維護是液(ye)壓(ya)(ya)系統(tong)(tong)可靠(kao)運(yun)行的(de)根本(ben)。為(wei)此,本(ben)人根據工(gong)(gong)作(zuo)實踐,就(jiu)(jiu)一(yi)般作(zuo)業(ye)環境中工(gong)(gong)程(cheng)機(ji)械(xie)(xie)液(ye)壓(ya)(ya)系統(tong)(tong)的(de)維護作(zuo)一(yi)粗(cu)略的(de)探討。
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選擇適(shi)合的液壓油(you)
液(ye)(ye)壓(ya)油在(zai)液(ye)(ye)壓(ya)系統(tong)中起著傳遞壓(ya)力(li)(li)、潤滑、冷卻、密封的作用(yong),液(ye)(ye)壓(ya)油選擇不恰(qia)當是液(ye)(ye)壓(ya)系統(tong)早期故障和(he)耐久性(xing)(xing)(xing)下降的主要原(yuan)(yuan)因。應按隨(sui)機《使(shi)(shi)用(yong)說明書》中規定的牌號選擇液(ye)(ye)壓(ya)油,特殊情況需(xu)要使(shi)(shi)用(yong)代用(yong)油時(shi),應力(li)(li)求其性(xing)(xing)(xing)能與原(yuan)(yuan)牌號性(xing)(xing)(xing)能相同。不同牌號的液(ye)(ye)壓(ya)油不能混合(he)使(shi)(shi)用(yong),以防液(ye)(ye)壓(ya)油產生化學反應、性(xing)(xing)(xing)能發生變(bian)化。深褐色、乳(ru)白色、有異味的液(ye)(ye)壓(ya)油是變(bian)質油,不能使(shi)(shi)用(yong)。
液(ye)(ye)(ye)壓(ya)閥(fa)(fa)在液(ye)(ye)(ye)壓(ya)系(xi)統中(zhong)的(de)(de)(de)工(gong)作(zuo)方式是(shi)閥(fa)(fa)體和(he)閥(fa)(fa)芯相(xiang)對運動,這種工(gong)作(zuo)方式不(bu)可避免的(de)(de)(de)就(jiu)是(shi)磨損(sun)。液(ye)(ye)(ye)壓(ya)閥(fa)(fa)的(de)(de)(de)閥(fa)(fa)體和(he)閥(fa)(fa)芯進行相(xiang)對運動的(de)(de)(de)過程(cheng)中(zhong),會(hui)不(bu)斷(duan)的(de)(de)(de)摩擦(ca),在工(gong)作(zuo)一(yi)段(duan)時(shi)間(jian)(jian)(jian)后,液(ye)(ye)(ye)壓(ya)閥(fa)(fa)各(ge)元(yuan)件之間(jian)(jian)(jian)的(de)(de)(de)尺寸、形狀、質量等發生變化,不(bu)再是(shi)液(ye)(ye)(ye)壓(ya)閥(fa)(fa)原(yuan)有的(de)(de)(de)特性,在液(ye)(ye)(ye)壓(ya)閥(fa)(fa)工(gong)作(zuo)中(zhong)就(jiu)會(hui)失效,出現故障(zhang)。例如,在液(ye)(ye)(ye)壓(ya)系(xi)統中(zhong)的(de)(de)(de)減(jian)(jian)壓(ya)閥(fa)(fa)工(gong)作(zuo)中(zhong),錐(zhui)閥(fa)(fa)和(he)閥(fa)(fa)座之間(jian)(jian)(jian)因為長時(shi)間(jian)(jian)(jian)的(de)(de)(de)摩擦(ca)、磨損(sun),造(zao)成零(ling)件之間(jian)(jian)(jian)的(de)(de)(de)配合度不(bu)好,在液(ye)(ye)(ye)壓(ya)系(xi)統中(zhong),減(jian)(jian)壓(ya)閥(fa)(fa)就(jiu)無法(fa)起到(dao)減(jian)(jian)壓(ya)的(de)(de)(de)作(zuo)用。