軟管總成壓扣(kou)工藝流程是危害品質的(de)關鍵要(yao)素(su)
危害壓扣式橡膠軟管接頭總成(cheng)品(pin)(pin)質(zhi)的(de)關鍵(jian)加(jia)工工藝(yi)要素是壓(ya)(ya)扣(kou)工藝(yi)流(liu)程。現階段關鍵(jian)有二種壓(ya)(ya)扣(kou)方法,一種是軸徑送入式,可在通用(yong)(yong)(yong)性(xing)壓(ya)(ya)機里用(yong)(yong)(yong)專用(yong)(yong)(yong)型(xing)模(mo)貝來(lai)完成(cheng)。其壓(ya)(ya)扣(kou)量(liang)不(bu)容易調節,在壓(ya)(ya)扣(kou)全(quan)過程中非常容易損害外(wai)衣(yi)外(wai)表層。為(wei)了(le)更好地取(qu)下壓(ya)(ya)扣(kou)件。務必(bi)把模(mo)貝制成(cheng)對開啟式。這就會有合縫,使制成(cheng)品(pin)(pin)外(wai)型(xing)不(bu)太好。另一種為(wei)軸向壓(ya)(ya)扣(kou)式其模(mo)貝有兩(liang)開、三瓣(ban)、六瓣(ban)和八(ba)瓣(ban)模(mo)之分。合適大(da)批量(liang)生產一般(ban)用(yong)(yong)(yong)六瓣(ban)和八(ba)瓣(ban)模(mo)貝,確保(bao)壓(ya)(ya)扣(kou)品(pin)(pin)質(zhi)的(de)基本(ben)是恰當把握(wo)橡膠(jiao)軟管的(de)內膠(jiao)縮小量(liang)和外(wai)衣(yi)的(de)壓(ya)(ya)扣(kou)量(liang)。
其中(zhong)孔規格(ge)盡可能超過提(ti)(ti)高(gao)(gao)層(ceng)規格(ge),不(bu)(bu)然沒法裝(zhuang)進(jin),乃至會(hui)導致提(ti)(ti)高(gao)(gao)層(ceng)完全(quan)散頭(tou)狀(zhuang)(zhuang)(zhuang)(zhuang)況。一般空隙為1~1.5mm。外衣內部(bu)的槽形(xing)(xing)(xing)會(hui)立(li)即(ji)危害接(jie)頭(tou)品質。現階段有直孔無槽體(ti)式(shi)(shi)、鋸(ju)(ju)齒狀(zhuang)(zhuang)(zhuang)(zhuang)槽體(ti)式(shi)(shi)及(ji)其環狀(zhuang)(zhuang)(zhuang)(zhuang)和(he)鋸(ju)(ju)齒狀(zhuang)(zhuang)(zhuang)(zhuang)槽整體(ti)式(shi)(shi)。棉繩(sheng)(化學纖維)手(shou)工(gong)編織橡膠(jiao)軟管因應用(yong)(yong)工(gong)作壓力低,拔脫力小,都(dou)選用(yong)(yong)無槽體(ti)式(shi)(shi)構(gou)造。不(bu)(bu)銹(xiu)鋼(gang)絲手(shou)工(gong)編織橡膠(jiao)軟管在壓扣時(shi)其提(ti)(ti)高(gao)(gao)層(ceng)易造成彎折形(xing)(xing)(xing)變,多(duo)選用(yong)(yong)鋸(ju)(ju)齒狀(zhuang)(zhuang)(zhuang)(zhuang)。不(bu)(bu)銹(xiu)鋼(gang)絲螺旋波紋管一般疊加(jia)層(ceng)數較多(duo),提(ti)(ti)高(gao)(gao)層(ceng)的單側薄厚(hou)較大 達到3.6mm,壓扣時(shi)要使(shi)提(ti)(ti)高(gao)(gao)層(ceng)產(chan)生波浪狀(zhuang)(zhuang)(zhuang)(zhuang)形(xing)(xing)(xing)變而置(zhi)入槽體(ti)就務必選用(yong)(yong)環狀(zhuang)(zhuang)(zhuang)(zhuang)和(he)鋸(ju)(ju)齒狀(zhuang)(zhuang)(zhuang)(zhuang)槽相(xiang)組成,這類槽形(xing)(xing)(xing)比鋸(ju)(ju)齒狀(zhuang)(zhuang)(zhuang)(zhuang)槽寬2/3,其抗拔脫力更強(qiang)。