高壓膠管接頭總成構造和性(xing)能(neng)的關聯(lian)

１、橡膠軟管總成

1）高壓(ya)(ya)(ya)膠(jiao)(jiao)管(guan)由內(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)、提高層(ceng)(ceng)(ceng)和外(wai)膠(jiao)(jiao)層(ceng)(ceng)(ceng)構成(cheng)（如圖例），內(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)立即(ji)與液壓(ya)(ya)(ya)油觸碰(peng)，故規定(ding)(ding)在(zai)長期(qi)性(xing)(xing)(xing)(xing)運行狀態下(xia)不可受液體浸蝕，能補漏(lou)。在(zai)提高層(ceng)(ceng)(ceng)功效下(xia)會承擔(dan)一(yi)定(ding)(ding)工作壓(ya)(ya)(ya)力。因而，宜選用丁腈橡膠(jiao)(jiao)，除(chu)塑膠(jiao)(jiao)粒(li)外(wai)，危(wei)害(hai)性(xing)(xing)(xing)(xing)能的(de)關鍵要(yao)素也有內(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)的(de)強度(du)、薄厚(hou)和永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)形(xing)變量。強度(du)和永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)形(xing)變量對密封(feng)(feng)性(xing)(xing)(xing)(xing)性(xing)(xing)(xing)(xing)能危(wei)害(hai)非(fei)常大(da)。一(yi)般(ban)強度(du)高、縮小(xiao)后的(de)永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)形(xing)變量小(xiao)，密封(feng)(feng)性(xing)(xing)(xing)(xing)性(xing)(xing)(xing)(xing)能則(ze)越好。一(yi)般(ban)是在(zai)７０～８５邵(shao)氏硬度(du)，縮小(xiao)永(yong)(yong)久(jiu)性(xing)(xing)(xing)(xing)形(xing)變５０％時。內(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)薄厚(hou)建議是為１．５～２．５ｍｍ，太厚(hou)會在(zai)壓(ya)(ya)(ya)扣時提升其流動率(lv)，導致(zhi)不必要(yao)的(de)膠(jiao)(jiao)在(zai)接(jie)頭芯套與橡膠(jiao)(jiao)軟(ruan)管(guan)的(de)觸碰(peng)內(nei)孔內(nei)沉(chen)積，減(jian)少商品流通橫截面(mian)；過薄會在(zai)壓(ya)(ya)(ya)扣時被壓(ya)(ya)(ya)裂。另(ling)外(wai)內(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)壁厚(hou)勻(yun)(yun)稱(cheng)性(xing)(xing)(xing)(xing)也很(hen)重(zhong)要(yao)。假如薄厚(hou)不勻(yun)(yun)，縮小(xiao)后會導致(zhi)一(yi)面(mian)裂斷、一(yi)面(mian)堆膠(jiao)(jiao)。內(nei)膠(jiao)(jiao)層(ceng)(ceng)(ceng)表層(ceng)(ceng)(ceng)出現(xian)的(de)浮(fu)銹也是危(wei)害(hai)性(xing)(xing)(xing)(xing)能品質的(de)關鍵要(yao)素。

２）高壓(ya)(ya)(ya)膠(jiao)(jiao)管(guan)關(guan)鍵借助提(ti)高層(ceng)(ceng)來承受力。手工(gong)(gong)編織橡膠(jiao)(jiao)軟管(guan)是(shi)靠膠(jiao)(jiao)漿(jiang)與內外黏膠(jiao)(jiao)粘緊(jin)，因為同一手工(gong)(gong)編織層(ceng)(ceng)內不(bu)銹鋼(gang)(gang)絲中(zhong)(zhong)間的互相觸碰，在承擔氣體壓(ya)(ya)(ya)力的時候會因分別伸縮式不(bu)一而導(dao)致不(bu)銹鋼(gang)(gang)絲彼此之間的摩擦(ca)而危害其使(shi)用性能(neng)。而螺旋波紋管(guan)是(shi)由盤繞方位不(bu)一樣的雙層(ceng)(ceng)產(chan)(chan)生一個工(gong)(gong)作(zuo)中(zhong)(zhong)層(ceng)(ceng)，在雙層(ceng)(ceng)中(zhong)(zhong)間有正中(zhong)(zhong)間膠(jiao)(jiao)，因而同一工(gong)(gong)作(zuo)中(zhong)(zhong)層(ceng)(ceng)的雙層(ceng)(ceng)不(bu)銹鋼(gang)(gang)絲中(zhong)(zhong)間沒有交接點。因此 不(bu)容易在承擔氣體壓(ya)(ya)(ya)力時同于不(bu)銹鋼(gang)(gang)絲間的交叉式彎(wan)折(zhe)而產(chan)(chan)生應力或磨擦(ca)磨壞(huai)。故使(shi)用性能(neng)好，能(neng)承擔髙壓(ya)(ya)(ya)。

３）高壓膠(jiao)(jiao)管的(de)外膠(jiao)(jiao)層粘在提(ti)高層上起維護功效，一(yi)般(ban)選用(yong)氯丁膠(jiao)(jiao)。應留意避(bi)免 其脆(cui)化開(kai)裂而(er)危(wei)害(hai)全(quan)部(bu)橡膠(jiao)(jiao)軟管的(de)使用(yong)壽(shou)命。