１、橡膠軟管總成
1）高壓(ya)(ya)膠(jiao)(jiao)(jiao)管(guan)由內(nei)(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)、提(ti)高層(ceng)(ceng)和外膠(jiao)(jiao)(jiao)層(ceng)(ceng)構成（如(ru)圖例(li)），內(nei)(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)立即與(yu)液(ye)壓(ya)(ya)油觸碰，故(gu)規定在長期(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)運行狀(zhuang)態下(xia)不(bu)可(ke)受液(ye)體(ti)浸(jin)蝕，能補(bu)漏。在提(ti)高層(ceng)(ceng)功(gong)效(xiao)下(xia)會(hui)(hui)承擔一(yi)(yi)定工作壓(ya)(ya)力。因而，宜選用(yong)丁腈橡膠(jiao)(jiao)(jiao)，除塑膠(jiao)(jiao)(jiao)粒(li)外，危(wei)害性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能的(de)(de)關鍵要素也(ye)(ye)(ye)有內(nei)(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)的(de)(de)強度(du)(du)、薄厚(hou)和永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)形(xing)變(bian)量。強度(du)(du)和永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)形(xing)變(bian)量對密封性(xing)(xing)(xing)(xing)(xing)(xing)(xing)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能危(wei)害非(fei)常(chang)大(da)。一(yi)(yi)般(ban)強度(du)(du)高、縮(suo)小(xiao)后的(de)(de)永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)形(xing)變(bian)量小(xiao)，密封性(xing)(xing)(xing)(xing)(xing)(xing)(xing)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能則(ze)越好。一(yi)(yi)般(ban)是(shi)在７０～８５邵氏硬度(du)(du)，縮(suo)小(xiao)永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)形(xing)變(bian)５０％時(shi)。內(nei)(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)薄厚(hou)建議是(shi)為１．５～２．５ｍｍ，太厚(hou)會(hui)(hui)在壓(ya)(ya)扣時(shi)提(ti)升其流動率，導致(zhi)不(bu)必(bi)要的(de)(de)膠(jiao)(jiao)(jiao)在接頭芯套(tao)與(yu)橡膠(jiao)(jiao)(jiao)軟管(guan)的(de)(de)觸碰內(nei)(nei)(nei)孔內(nei)(nei)(nei)沉積，減少商品流通橫截面；過薄會(hui)(hui)在壓(ya)(ya)扣時(shi)被(bei)壓(ya)(ya)裂。另外內(nei)(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)壁厚(hou)勻稱性(xing)(xing)(xing)(xing)(xing)(xing)(xing)也(ye)(ye)(ye)很重要。假如(ru)薄厚(hou)不(bu)勻，縮(suo)小(xiao)后會(hui)(hui)導致(zhi)一(yi)(yi)面裂斷、一(yi)(yi)面堆膠(jiao)(jiao)(jiao)。內(nei)(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)表層(ceng)(ceng)出現的(de)(de)浮銹(xiu)也(ye)(ye)(ye)是(shi)危(wei)害性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能品質的(de)(de)關鍵要素。
２）高壓(ya)(ya)膠(jiao)(jiao)管(guan)關鍵借助提高層(ceng)來承受力。手工編(bian)織橡膠(jiao)(jiao)軟管(guan)是(shi)靠膠(jiao)(jiao)漿與內(nei)外黏膠(jiao)(jiao)粘緊，因(yin)為(wei)同一(yi)手工編(bian)織層(ceng)內(nei)不(bu)銹鋼(gang)絲(si)中(zhong)(zhong)間(jian)(jian)的(de)(de)(de)互相觸碰(peng)，在(zai)承擔氣體壓(ya)(ya)力的(de)(de)(de)時候(hou)會因(yin)分別伸縮(suo)式(shi)不(bu)一(yi)而(er)(er)(er)導(dao)致不(bu)銹鋼(gang)絲(si)彼此(ci)之間(jian)(jian)的(de)(de)(de)摩擦而(er)(er)(er)危害其使用性能(neng)。而(er)(er)(er)螺旋波紋(wen)管(guan)是(shi)由盤繞方位不(bu)一(yi)樣的(de)(de)(de)雙(shuang)層(ceng)產(chan)生一(yi)個工作中(zhong)(zhong)層(ceng)，在(zai)雙(shuang)層(ceng)中(zhong)(zhong)間(jian)(jian)有正中(zhong)(zhong)間(jian)(jian)膠(jiao)(jiao)，因(yin)而(er)(er)(er)同一(yi)工作中(zhong)(zhong)層(ceng)的(de)(de)(de)雙(shuang)層(ceng)不(bu)銹鋼(gang)絲(si)中(zhong)(zhong)間(jian)(jian)沒有交接點。因(yin)此(ci) 不(bu)容易在(zai)承擔氣體壓(ya)(ya)力時同于不(bu)銹鋼(gang)絲(si)間(jian)(jian)的(de)(de)(de)交叉式(shi)彎(wan)折而(er)(er)(er)產(chan)生應(ying)力或磨(mo)擦磨(mo)壞。故使用性能(neng)好，能(neng)承擔髙壓(ya)(ya)。
３）高(gao)壓(ya)膠(jiao)管的外膠(jiao)層(ceng)粘(zhan)在提高(gao)層(ceng)上起維護功效，一般選(xuan)用氯丁膠(jiao)。應留意(yi)避免 其脆(cui)化開裂而(er)危害全部橡膠(jiao)軟(ruan)管的使(shi)用壽命。
