耐(nai)腐蝕泛塞封取決于腐蝕介(jie)質(zhi)(zhi),普(pu)通油類用(yong)(yong)(yong)NBR丁晴橡膠(jiao)都可(ke)以滿(man)足,但(dan)是(shi)涉及腐蝕性(xing)比較強(qiang)(qiang)的環境(jing),例如:強(qiang)(qiang)酸、強(qiang)(qiang)堿、有(you)機溶液(ye)等等,普(pu)通橡膠(jiao)材(cai)質(zhi)(zhi)滿(man)足不(bu)了,可(ke)以考慮用(yong)(yong)(yong)FFKM全(quan)氟(fu)(fu)(fu)醚橡膠(jiao)或者PTFE聚(ju)四氟(fu)(fu)(fu)乙烯,這兩(liang)中(zhong)材(cai)質(zhi)(zhi)幾乎可(ke)以滿(man)足所有(you)化學(xue)腐蝕場合,材(cai)質(zhi)(zhi)的軟硬度不(bu)一(yi)(yi)樣,FFKM全(quan)氟(fu)(fu)(fu)醚橡膠(jiao)硬度一(yi)(yi)般在70到90度,適用(yong)(yong)(yong)做O型(xing)圈或者墊圈類;PTFE聚(ju)四氟(fu)(fu)(fu)乙烯材(cai)料(liao)要硬一(yi)(yi)點(dian),一(yi)(yi)般采(cai)用(yong)(yong)(yong)機加工(gong)車削(xue),不(bu)需要模具費(fei)。如需要詳細的材(cai)質(zhi)(zhi)介(jie)紹(shao),請致電我司索取。
高(gao)抗(kang)(kang)撕(si)(si)硅膠密封(feng)圈(quan)?那是個什么(me)盾構(gou)機的(de)(de)密封(feng)圈(quan)產品?聽(ting)都沒聽(ting)過,就由桂祺密封(feng)件廠家來跟你說吧(ba),硅膠密封(feng)圈(quan)經(jing)常是處(chu)于受(shou)壓(ya)縮(suo)(suo)的(de)(de)狀態,HVB孔用(yong)泛塞封(feng),那么(me)我們就要考慮硅膠密封(feng)圈(quan)的(de)(de)壓(ya)縮(suo)(suo)性能(neng)。由于橡膠密封(feng)圈(quan)材質的(de)(de)粘彈性,橡膠受(shou)壓(ya)縮(suo)(suo)后,壓(ya)縮(suo)(suo)應力(li)會(hui)隨時間而(er)減小(xiao),HOD旋(xuan)轉泛塞封(feng),表現為壓(ya)縮(suo)(suo)應力(li)松(song)弛;高(gao)抗(kang)(kang)撕(si)(si)橡膠密封(feng)圈(quan)材質中加入高(gao)補強白炭(tan)黑(hei)、表面(mian)處(chu)理白炭(tan)黑(hei)及某些特(te)殊(shu)配(pei)合劑,使(shi)硅膠密封(feng)圈(quan)與其它聚(ju)合物并用(yong),提高(gao)抗(kang)(kang)撕(si)(si)性能(neng)。
密封性能不受起動(dong)時潤滑不足的影響
有(you)效減少磨耗與摩擦阻(zu)力(li),透過不(bu)同密(mi)(mi)(mi)封(feng)(feng)(feng)材(cai)料與彈(dan)簧的(de)搭配,可展現不(bu)同的(de)密(mi)(mi)(mi)封(feng)(feng)(feng)力(li)以適(shi)應(ying)各種應(ying)用(yong)(yong)(yong)需(xu)求 采用(yong)(yong)(yong)專(zhuan)用(yong)(yong)(yong)CNC加工機制成(cheng),無模具費用(yong)(yong)(yong)-特別(bie)適(shi)合少量(liang)多樣(yang)的(de)密(mi)(mi)(mi)封(feng)(feng)(feng)件,耐化學(xue)腐(fu)蝕(shi)與耐熱能(neng)力(li)遠比常(chang)(chang)用(yong)(yong)(yong)的(de)密(mi)(mi)(mi)封(feng)(feng)(feng)件橡膠優異(yi),尺寸穩定,沒有(you)體(ti)積膨潤或收縮所衍(yan)生的(de)密(mi)(mi)(mi)封(feng)(feng)(feng)性能(neng)劣化問題,結(jie)構精巧,可安裝(zhuang)于標準的(de)O形(xing)環溝(gou)槽,大幅提高密(mi)(mi)(mi)封(feng)(feng)(feng)能(neng)力(li)與使(shi)用(yong)(yong)(yong)壽命,HOC孔軸兩用(yong)(yong)(yong)泛塞(sai)封(feng)(feng)(feng),密(mi)(mi)(mi)封(feng)(feng)(feng)件凹(ao)槽內可充(chong)填(tian)任(ren)何(he)抗污(wu)染(ran)(ran)材(cai)料;但不(bu)適(shi)用(yong)(yong)(yong)于輻射(she)環境,因密(mi)(mi)(mi)封(feng)(feng)(feng)材(cai)料為鐵氟龍,非(fei)常(chang)(chang)潔凈(jing),泛塞(sai)封(feng)(feng)(feng),不(bu)會(hui)污(wu)染(ran)(ran)制程 摩擦系數極低,即(ji)使(shi)在極低速應(ying)用(yong)(yong)(yong)亦非(fei)常(chang)(chang)平順,毫無滯(zhi)滑(hua)效應(ying),起動摩擦阻(zu)力(li)小,即(ji)使(shi)停機時間長或間歇性運(yun)轉,均能(neng)保持低起動力(li)性能(neng)
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