軟管總成壓(ya)扣工藝流(liu)程是危(wei)害(hai)品質的關鍵要素
危害壓扣式橡膠軟管接頭總(zong)成品質的關(guan)鍵加工(gong)工(gong)藝要素(su)是(shi)(shi)壓(ya)(ya)扣工(gong)藝流程(cheng)。現階段關(guan)鍵有二種(zhong)(zhong)壓(ya)(ya)扣方法(fa),一(yi)種(zhong)(zhong)是(shi)(shi)軸徑(jing)送入式,可(ke)在通用(yong)性壓(ya)(ya)機(ji)里用(yong)專(zhuan)用(yong)型(xing)模貝來完成。其壓(ya)(ya)扣量不容(rong)易調節,在壓(ya)(ya)扣全過程(cheng)中(zhong)非(fei)常容(rong)易損害外(wai)(wai)(wai)衣外(wai)(wai)(wai)表層(ceng)。為(wei)了更(geng)好地(di)取下壓(ya)(ya)扣件(jian)。務必(bi)把(ba)模貝制成對(dui)開啟式。這就(jiu)會有合縫,使制成品外(wai)(wai)(wai)型(xing)不太好。另一(yi)種(zhong)(zhong)為(wei)軸向壓(ya)(ya)扣式其模貝有兩開、三瓣(ban)、六(liu)瓣(ban)和八瓣(ban)模之分。合適大批量生(sheng)產(chan)一(yi)般(ban)用(yong)六(liu)瓣(ban)和八瓣(ban)模貝,確保壓(ya)(ya)扣品質的基本是(shi)(shi)恰當把(ba)握橡膠軟管(guan)的內膠縮(suo)小(xiao)量和外(wai)(wai)(wai)衣的壓(ya)(ya)扣量。
其(qi)中(zhong)孔規(gui)格盡可能超過(guo)提高(gao)(gao)層(ceng)(ceng)(ceng)規(gui)格,不然沒法裝進,乃至會導致提高(gao)(gao)層(ceng)(ceng)(ceng)完全(quan)散頭(tou)狀(zhuang)況。一(yi)般空(kong)隙為1~1.5mm。外衣內(nei)部(bu)的槽(cao)(cao)形會立即危害接頭(tou)品(pin)質。現階段有直孔無(wu)槽(cao)(cao)體(ti)(ti)式、鋸(ju)齒(chi)狀(zhuang)槽(cao)(cao)體(ti)(ti)式及其(qi)環(huan)狀(zhuang)和(he)鋸(ju)齒(chi)狀(zhuang)槽(cao)(cao)整體(ti)(ti)式。棉繩(化學纖維(wei))手工(gong)編織橡(xiang)膠軟(ruan)管(guan)(guan)因應用工(gong)作壓(ya)力(li)(li)低,拔脫(tuo)力(li)(li)小(xiao),都(dou)選用無(wu)槽(cao)(cao)體(ti)(ti)式構造(zao)。不銹(xiu)鋼絲(si)手工(gong)編織橡(xiang)膠軟(ruan)管(guan)(guan)在壓(ya)扣(kou)時其(qi)提高(gao)(gao)層(ceng)(ceng)(ceng)易造(zao)成彎折形變,多(duo)選用鋸(ju)齒(chi)狀(zhuang)。不銹(xiu)鋼絲(si)螺旋波紋(wen)管(guan)(guan)一(yi)般疊加層(ceng)(ceng)(ceng)數較多(duo),提高(gao)(gao)層(ceng)(ceng)(ceng)的單側薄厚(hou)較大(da) 達(da)到3.6mm,壓(ya)扣(kou)時要使提高(gao)(gao)層(ceng)(ceng)(ceng)產生(sheng)波浪(lang)狀(zhuang)形變而置入槽(cao)(cao)體(ti)(ti)就務(wu)必選用環(huan)狀(zhuang)和(he)鋸(ju)齒(chi)狀(zhuang)槽(cao)(cao)相組成,這類槽(cao)(cao)形比鋸(ju)齒(chi)狀(zhuang)槽(cao)(cao)寬(kuan)2/3,其(qi)抗拔脫(tuo)力(li)(li)更強。