軟管總成壓扣工藝流(liu)程是危害(hai)品質的關鍵要素
危害壓扣式橡膠軟管接頭總成品(pin)(pin)質(zhi)的關鍵(jian)加工工藝(yi)要素是(shi)(shi)壓(ya)(ya)(ya)(ya)扣(kou)工藝(yi)流程。現階段關鍵(jian)有二(er)種(zhong)壓(ya)(ya)(ya)(ya)扣(kou)方法,一種(zhong)是(shi)(shi)軸(zhou)徑送入式,可在(zai)通用(yong)性壓(ya)(ya)(ya)(ya)機里用(yong)專用(yong)型模貝來完成。其壓(ya)(ya)(ya)(ya)扣(kou)量(liang)(liang)不容易(yi)調節,在(zai)壓(ya)(ya)(ya)(ya)扣(kou)全過程中非(fei)常容易(yi)損害外(wai)衣外(wai)表層。為了更(geng)好(hao)地取下壓(ya)(ya)(ya)(ya)扣(kou)件(jian)。務必把模貝制成對開啟(qi)式。這就會有合縫,使(shi)制成品(pin)(pin)外(wai)型不太好(hao)。另一種(zhong)為軸(zhou)向壓(ya)(ya)(ya)(ya)扣(kou)式其模貝有兩開、三瓣、六(liu)瓣和(he)八(ba)瓣模之分(fen)。合適大批量(liang)(liang)生產一般用(yong)六(liu)瓣和(he)八(ba)瓣模貝,確(que)保壓(ya)(ya)(ya)(ya)扣(kou)品(pin)(pin)質(zhi)的基本是(shi)(shi)恰當(dang)把握橡膠(jiao)軟管的內膠(jiao)縮小量(liang)(liang)和(he)外(wai)衣的壓(ya)(ya)(ya)(ya)扣(kou)量(liang)(liang)。
其中孔規格盡可能超過提(ti)高層(ceng)規格,不(bu)(bu)然(ran)沒法裝進,乃至(zhi)會(hui)(hui)導致(zhi)提(ti)高層(ceng)完(wan)全(quan)散頭狀(zhuang)況。一般空隙為1~1.5mm。外衣內部(bu)的槽(cao)(cao)形(xing)(xing)會(hui)(hui)立即危害接頭品質。現階段有直孔無(wu)槽(cao)(cao)體(ti)(ti)式(shi)、鋸齒(chi)狀(zhuang)槽(cao)(cao)體(ti)(ti)式(shi)及其環狀(zhuang)和鋸齒(chi)狀(zhuang)槽(cao)(cao)整(zheng)體(ti)(ti)式(shi)。棉繩(sheng)(化學纖維)手工(gong)編織(zhi)橡膠軟(ruan)管(guan)因應用(yong)(yong)工(gong)作壓(ya)(ya)(ya)力(li)(li)低(di),拔脫力(li)(li)小,都選(xuan)(xuan)用(yong)(yong)無(wu)槽(cao)(cao)體(ti)(ti)式(shi)構(gou)造。不(bu)(bu)銹鋼絲手工(gong)編織(zhi)橡膠軟(ruan)管(guan)在壓(ya)(ya)(ya)扣時(shi)其提(ti)高層(ceng)易造成(cheng)彎折形(xing)(xing)變,多選(xuan)(xuan)用(yong)(yong)鋸齒(chi)狀(zhuang)。不(bu)(bu)銹鋼絲螺旋波紋管(guan)一般疊加層(ceng)數較多,提(ti)高層(ceng)的單側薄厚較大 達(da)到3.6mm,壓(ya)(ya)(ya)扣時(shi)要使提(ti)高層(ceng)產生波浪狀(zhuang)形(xing)(xing)變而置入(ru)槽(cao)(cao)體(ti)(ti)就務必選(xuan)(xuan)用(yong)(yong)環狀(zhuang)和鋸齒(chi)狀(zhuang)槽(cao)(cao)相組成(cheng),這(zhe)類槽(cao)(cao)形(xing)(xing)比鋸齒(chi)狀(zhuang)槽(cao)(cao)寬2/3,其抗拔脫力(li)(li)更強。