１、橡膠軟管總成
1）高(gao)(gao)壓(ya)(ya)(ya)膠(jiao)(jiao)(jiao)管由(you)內(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)、提(ti)(ti)高(gao)(gao)層(ceng)(ceng)和(he)外膠(jiao)(jiao)(jiao)層(ceng)(ceng)構成（如圖例(li)），內(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)立即與液壓(ya)(ya)(ya)油觸(chu)碰，故規定在(zai)長期性(xing)(xing)運行狀(zhuang)態(tai)下不可受液體浸蝕，能(neng)補漏(lou)。在(zai)提(ti)(ti)高(gao)(gao)層(ceng)(ceng)功效下會(hui)(hui)承擔(dan)一(yi)定工作壓(ya)(ya)(ya)力。因(yin)而，宜(yi)選用丁腈橡(xiang)膠(jiao)(jiao)(jiao)，除塑膠(jiao)(jiao)(jiao)粒外，危害性(xing)(xing)能(neng)的(de)(de)關(guan)(guan)鍵(jian)要(yao)素(su)也(ye)有內(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)的(de)(de)強度(du)、薄(bo)厚(hou)(hou)和(he)永久(jiu)(jiu)(jiu)性(xing)(xing)形變(bian)(bian)量。強度(du)和(he)永久(jiu)(jiu)(jiu)性(xing)(xing)形變(bian)(bian)量對密封(feng)性(xing)(xing)性(xing)(xing)能(neng)危害非(fei)常大(da)。一(yi)般強度(du)高(gao)(gao)、縮(suo)小后的(de)(de)永久(jiu)(jiu)(jiu)性(xing)(xing)形變(bian)(bian)量小，密封(feng)性(xing)(xing)性(xing)(xing)能(neng)則越好。一(yi)般是(shi)在(zai)７０～８５邵氏硬度(du)，縮(suo)小永久(jiu)(jiu)(jiu)性(xing)(xing)形變(bian)(bian)５０％時。內(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)薄(bo)厚(hou)(hou)建議是(shi)為１．５～２．５ｍｍ，太厚(hou)(hou)會(hui)(hui)在(zai)壓(ya)(ya)(ya)扣時提(ti)(ti)升其流動率(lv)，導致(zhi)不必要(yao)的(de)(de)膠(jiao)(jiao)(jiao)在(zai)接頭芯套與橡(xiang)膠(jiao)(jiao)(jiao)軟管的(de)(de)觸(chu)碰內(nei)(nei)孔內(nei)(nei)沉積，減少商品流通(tong)橫截面；過薄(bo)會(hui)(hui)在(zai)壓(ya)(ya)(ya)扣時被壓(ya)(ya)(ya)裂(lie)。另外內(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)壁厚(hou)(hou)勻稱性(xing)(xing)也(ye)很重要(yao)。假(jia)如薄(bo)厚(hou)(hou)不勻，縮(suo)小后會(hui)(hui)導致(zhi)一(yi)面裂(lie)斷、一(yi)面堆(dui)膠(jiao)(jiao)(jiao)。內(nei)(nei)膠(jiao)(jiao)(jiao)層(ceng)(ceng)表層(ceng)(ceng)出現(xian)的(de)(de)浮(fu)銹(xiu)也(ye)是(shi)危害性(xing)(xing)能(neng)品質的(de)(de)關(guan)(guan)鍵(jian)要(yao)素(su)。
２）高壓(ya)膠(jiao)管(guan)關鍵借(jie)助提高層(ceng)來承(cheng)(cheng)受力(li)。手工(gong)編織橡膠(jiao)軟管(guan)是(shi)靠(kao)膠(jiao)漿與內外黏膠(jiao)粘緊，因(yin)為同(tong)一(yi)(yi)手工(gong)編織層(ceng)內不(bu)(bu)(bu)(bu)銹鋼(gang)絲(si)中(zhong)(zhong)(zhong)間(jian)(jian)(jian)的(de)互相(xiang)觸碰，在(zai)承(cheng)(cheng)擔氣體(ti)壓(ya)力(li)的(de)時候會因(yin)分別伸縮式(shi)不(bu)(bu)(bu)(bu)一(yi)(yi)而導致不(bu)(bu)(bu)(bu)銹鋼(gang)絲(si)彼(bi)此之間(jian)(jian)(jian)的(de)摩擦(ca)而危害其使用性能。而螺(luo)旋波紋管(guan)是(shi)由盤繞方位(wei)不(bu)(bu)(bu)(bu)一(yi)(yi)樣的(de)雙層(ceng)產(chan)生一(yi)(yi)個工(gong)作中(zhong)(zhong)(zhong)層(ceng)，在(zai)雙層(ceng)中(zhong)(zhong)(zhong)間(jian)(jian)(jian)有正中(zhong)(zhong)(zhong)間(jian)(jian)(jian)膠(jiao)，因(yin)而同(tong)一(yi)(yi)工(gong)作中(zhong)(zhong)(zhong)層(ceng)的(de)雙層(ceng)不(bu)(bu)(bu)(bu)銹鋼(gang)絲(si)中(zhong)(zhong)(zhong)間(jian)(jian)(jian)沒(mei)有交(jiao)接點。因(yin)此 不(bu)(bu)(bu)(bu)容易在(zai)承(cheng)(cheng)擔氣體(ti)壓(ya)力(li)時同(tong)于(yu)不(bu)(bu)(bu)(bu)銹鋼(gang)絲(si)間(jian)(jian)(jian)的(de)交(jiao)叉式(shi)彎折而產(chan)生應力(li)或(huo)磨(mo)擦(ca)磨(mo)壞(huai)。故(gu)使用性能好，能承(cheng)(cheng)擔髙壓(ya)。
３）高壓膠管的外膠層粘在提高層上(shang)起維護功(gong)效，一般選(xuan)用氯丁膠。應留意避免 其脆(cui)化開裂而(er)危害全部橡膠軟管的使用壽命。
