１、橡膠軟管總成
1）高壓(ya)膠(jiao)(jiao)管由內(nei)(nei)(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)、提高層(ceng)(ceng)(ceng)(ceng)(ceng)和外(wai)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)構成（如圖例），內(nei)(nei)(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)立即與液壓(ya)油(you)觸(chu)碰，故規定在(zai)長期性(xing)(xing)運行狀(zhuang)態下不(bu)可受液體浸蝕，能(neng)(neng)(neng)補漏。在(zai)提高層(ceng)(ceng)(ceng)(ceng)(ceng)功效下會(hui)承(cheng)擔一(yi)定工作壓(ya)力。因(yin)而，宜選用丁(ding)腈橡膠(jiao)(jiao)，除塑膠(jiao)(jiao)粒外(wai)，危害(hai)性(xing)(xing)能(neng)(neng)(neng)的(de)(de)關(guan)鍵要素也(ye)有內(nei)(nei)(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)強(qiang)度、薄(bo)厚(hou)(hou)和永久(jiu)性(xing)(xing)形(xing)(xing)變(bian)量(liang)(liang)(liang)。強(qiang)度和永久(jiu)性(xing)(xing)形(xing)(xing)變(bian)量(liang)(liang)(liang)對密(mi)封性(xing)(xing)性(xing)(xing)能(neng)(neng)(neng)危害(hai)非常大。一(yi)般(ban)強(qiang)度高、縮小后的(de)(de)永久(jiu)性(xing)(xing)形(xing)(xing)變(bian)量(liang)(liang)(liang)小，密(mi)封性(xing)(xing)性(xing)(xing)能(neng)(neng)(neng)則(ze)越好。一(yi)般(ban)是在(zai)７０～８５邵氏硬度，縮小永久(jiu)性(xing)(xing)形(xing)(xing)變(bian)５０％時。內(nei)(nei)(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)薄(bo)厚(hou)(hou)建議是為１．５～２．５ｍｍ，太厚(hou)(hou)會(hui)在(zai)壓(ya)扣時提升(sheng)其流動(dong)率，導致(zhi)不(bu)必要的(de)(de)膠(jiao)(jiao)在(zai)接頭芯套與橡膠(jiao)(jiao)軟管的(de)(de)觸(chu)碰內(nei)(nei)(nei)孔內(nei)(nei)(nei)沉積，減少(shao)商品流通橫(heng)截面(mian)(mian)；過(guo)薄(bo)會(hui)在(zai)壓(ya)扣時被壓(ya)裂(lie)。另外(wai)內(nei)(nei)(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)壁厚(hou)(hou)勻稱性(xing)(xing)也(ye)很重(zhong)要。假如薄(bo)厚(hou)(hou)不(bu)勻，縮小后會(hui)導致(zhi)一(yi)面(mian)(mian)裂(lie)斷、一(yi)面(mian)(mian)堆膠(jiao)(jiao)。內(nei)(nei)(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)(ceng)(ceng)表層(ceng)(ceng)(ceng)(ceng)(ceng)出(chu)現的(de)(de)浮銹(xiu)也(ye)是危害(hai)性(xing)(xing)能(neng)(neng)(neng)品質(zhi)的(de)(de)關(guan)鍵要素。
２）高壓膠(jiao)管關鍵借助提(ti)高層來承(cheng)受力(li)(li)。手(shou)工(gong)編織橡(xiang)膠(jiao)軟管是(shi)靠膠(jiao)漿(jiang)與內(nei)外黏膠(jiao)粘緊，因為同一手(shou)工(gong)編織層內(nei)不(bu)銹(xiu)(xiu)鋼(gang)(gang)絲(si)中間(jian)的互相(xiang)觸碰，在(zai)(zai)承(cheng)擔氣(qi)體(ti)壓力(li)(li)的時候會因分別(bie)伸縮式(shi)不(bu)一而導致不(bu)銹(xiu)(xiu)鋼(gang)(gang)絲(si)彼此之間(jian)的摩擦而危害(hai)其使(shi)(shi)用性能。而螺(luo)旋波紋(wen)管是(shi)由盤繞方位不(bu)一樣的雙(shuang)層產生一個工(gong)作(zuo)中層，在(zai)(zai)雙(shuang)層中間(jian)有(you)正(zheng)中間(jian)膠(jiao)，因而同一工(gong)作(zuo)中層的雙(shuang)層不(bu)銹(xiu)(xiu)鋼(gang)(gang)絲(si)中間(jian)沒有(you)交(jiao)(jiao)接點。因此 不(bu)容易在(zai)(zai)承(cheng)擔氣(qi)體(ti)壓力(li)(li)時同于不(bu)銹(xiu)(xiu)鋼(gang)(gang)絲(si)間(jian)的交(jiao)(jiao)叉式(shi)彎折而產生應力(li)(li)或磨(mo)擦磨(mo)壞。故使(shi)(shi)用性能好，能承(cheng)擔髙壓。
３）高壓膠(jiao)管(guan)的外膠(jiao)層粘在提高層上起維護(hu)功(gong)效，一般選用氯(lv)丁膠(jiao)。應留(liu)意避免 其脆化開(kai)裂而危害(hai)全部橡膠(jiao)軟管(guan)的使用壽命。
