１、橡膠軟管總成
1）高(gao)(gao)壓膠(jiao)(jiao)(jiao)管(guan)由內(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)、提(ti)高(gao)(gao)層(ceng)(ceng)和(he)外膠(jiao)(jiao)(jiao)層(ceng)(ceng)構成（如圖例），內(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)立即與(yu)(yu)液壓油觸(chu)碰(peng)，故規定在(zai)(zai)長期性(xing)(xing)(xing)(xing)運行(xing)狀態下不可(ke)受液體浸蝕，能補漏(lou)。在(zai)(zai)提(ti)高(gao)(gao)層(ceng)(ceng)功效下會(hui)承擔一(yi)定工作壓力。因而，宜選用丁腈橡膠(jiao)(jiao)(jiao)，除塑膠(jiao)(jiao)(jiao)粒外，危(wei)害(hai)(hai)性(xing)(xing)(xing)(xing)能的關鍵(jian)要(yao)(yao)素也(ye)(ye)有(you)內(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)的強(qiang)(qiang)度、薄厚(hou)(hou)和(he)永(yong)久(jiu)性(xing)(xing)(xing)(xing)形變量。強(qiang)(qiang)度和(he)永(yong)久(jiu)性(xing)(xing)(xing)(xing)形變量對密(mi)封(feng)(feng)性(xing)(xing)(xing)(xing)性(xing)(xing)(xing)(xing)能危(wei)害(hai)(hai)非常大。一(yi)般強(qiang)(qiang)度高(gao)(gao)、縮(suo)小(xiao)后的永(yong)久(jiu)性(xing)(xing)(xing)(xing)形變量小(xiao)，密(mi)封(feng)(feng)性(xing)(xing)(xing)(xing)性(xing)(xing)(xing)(xing)能則越好。一(yi)般是在(zai)(zai)７０～８５邵氏硬度，縮(suo)小(xiao)永(yong)久(jiu)性(xing)(xing)(xing)(xing)形變５０％時。內(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)薄厚(hou)(hou)建議(yi)是為１．５～２．５ｍｍ，太厚(hou)(hou)會(hui)在(zai)(zai)壓扣時提(ti)升其流動率，導(dao)致不必要(yao)(yao)的膠(jiao)(jiao)(jiao)在(zai)(zai)接頭芯套與(yu)(yu)橡膠(jiao)(jiao)(jiao)軟管(guan)的觸(chu)碰(peng)內(nei)孔(kong)內(nei)沉(chen)積，減少商品流通橫(heng)截面；過薄會(hui)在(zai)(zai)壓扣時被壓裂。另外內(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)壁厚(hou)(hou)勻(yun)稱性(xing)(xing)(xing)(xing)也(ye)(ye)很重要(yao)(yao)。假如薄厚(hou)(hou)不勻(yun)，縮(suo)小(xiao)后會(hui)導(dao)致一(yi)面裂斷、一(yi)面堆(dui)膠(jiao)(jiao)(jiao)。內(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)表層(ceng)(ceng)出現(xian)的浮銹也(ye)(ye)是危(wei)害(hai)(hai)性(xing)(xing)(xing)(xing)能品質的關鍵(jian)要(yao)(yao)素。
２）高(gao)(gao)壓膠(jiao)管(guan)關鍵(jian)借助提高(gao)(gao)層來承受力。手(shou)工(gong)(gong)編織橡膠(jiao)軟管(guan)是(shi)靠膠(jiao)漿與內(nei)外(wai)黏膠(jiao)粘(zhan)緊，因(yin)為同一(yi)(yi)手(shou)工(gong)(gong)編織層內(nei)不(bu)(bu)銹(xiu)鋼(gang)(gang)絲(si)中(zhong)間(jian)(jian)的(de)(de)互相觸碰，在承擔氣(qi)體壓力的(de)(de)時候(hou)會因(yin)分(fen)別伸(shen)縮(suo)式(shi)不(bu)(bu)一(yi)(yi)而(er)導(dao)致不(bu)(bu)銹(xiu)鋼(gang)(gang)絲(si)彼此之間(jian)(jian)的(de)(de)摩擦而(er)危害其使(shi)用性能。而(er)螺旋波紋管(guan)是(shi)由盤繞方位不(bu)(bu)一(yi)(yi)樣的(de)(de)雙層產(chan)(chan)生一(yi)(yi)個工(gong)(gong)作中(zhong)層，在雙層中(zhong)間(jian)(jian)有正中(zhong)間(jian)(jian)膠(jiao)，因(yin)而(er)同一(yi)(yi)工(gong)(gong)作中(zhong)層的(de)(de)雙層不(bu)(bu)銹(xiu)鋼(gang)(gang)絲(si)中(zhong)間(jian)(jian)沒(mei)有交(jiao)接點(dian)。因(yin)此 不(bu)(bu)容(rong)易在承擔氣(qi)體壓力時同于不(bu)(bu)銹(xiu)鋼(gang)(gang)絲(si)間(jian)(jian)的(de)(de)交(jiao)叉式(shi)彎折而(er)產(chan)(chan)生應力或磨(mo)擦磨(mo)壞。故(gu)使(shi)用性能好，能承擔髙壓。
３）高壓膠(jiao)管的(de)外膠(jiao)層粘在提(ti)高層上起維(wei)護功(gong)效，一般選用氯丁膠(jiao)。應留意避(bi)免 其脆化開裂而危害全部橡(xiang)膠(jiao)軟管的(de)使用壽命。
