軟管總成壓扣工藝流(liu)程是危害(hai)品質的關鍵要素(su)
危害壓扣式橡膠軟管接頭總(zong)成品質的關鍵加(jia)工(gong)工(gong)藝要素是(shi)壓(ya)(ya)扣(kou)工(gong)藝流程。現階段關鍵有(you)二種(zhong)壓(ya)(ya)扣(kou)方法,一(yi)種(zhong)是(shi)軸(zhou)徑送入式,可在通用性(xing)壓(ya)(ya)機里用專用型(xing)模(mo)貝來完成。其壓(ya)(ya)扣(kou)量不容易調節(jie),在壓(ya)(ya)扣(kou)全(quan)過(guo)程中(zhong)非常(chang)容易損害外衣(yi)外表層。為了(le)更好地(di)取下壓(ya)(ya)扣(kou)件。務必把(ba)模(mo)貝制(zhi)成對開啟式。這就會有(you)合縫,使(shi)制(zhi)成品外型(xing)不太好。另一(yi)種(zhong)為軸(zhou)向壓(ya)(ya)扣(kou)式其模(mo)貝有(you)兩開、三瓣(ban)(ban)、六(liu)瓣(ban)(ban)和(he)八(ba)瓣(ban)(ban)模(mo)之(zhi)分。合適大批量生產一(yi)般用六(liu)瓣(ban)(ban)和(he)八(ba)瓣(ban)(ban)模(mo)貝,確保(bao)壓(ya)(ya)扣(kou)品質的基(ji)本是(shi)恰(qia)當(dang)把(ba)握橡膠軟管(guan)的內膠縮(suo)小量和(he)外衣(yi)的壓(ya)(ya)扣(kou)量。
其(qi)中孔(kong)規(gui)(gui)格盡可能(neng)超過提高(gao)(gao)層規(gui)(gui)格,不(bu)然沒法裝進,乃至會(hui)導致(zhi)提高(gao)(gao)層完全散頭狀(zhuang)(zhuang)(zhuang)況(kuang)。一(yi)般空隙為(wei)1~1.5mm。外衣內部的槽(cao)(cao)形(xing)會(hui)立即危(wei)害接頭品質。現階段(duan)有(you)直孔(kong)無槽(cao)(cao)體式、鋸齒(chi)狀(zhuang)(zhuang)(zhuang)槽(cao)(cao)體式及其(qi)環狀(zhuang)(zhuang)(zhuang)和(he)(he)鋸齒(chi)狀(zhuang)(zhuang)(zhuang)槽(cao)(cao)整體式。棉繩(化學纖維)手(shou)工(gong)編(bian)織橡(xiang)膠(jiao)軟管(guan)因應用(yong)(yong)工(gong)作壓(ya)力低,拔脫力小,都(dou)選(xuan)用(yong)(yong)無槽(cao)(cao)體式構(gou)造。不(bu)銹鋼絲(si)手(shou)工(gong)編(bian)織橡(xiang)膠(jiao)軟管(guan)在壓(ya)扣時其(qi)提高(gao)(gao)層易(yi)造成彎折形(xing)變(bian),多選(xuan)用(yong)(yong)鋸齒(chi)狀(zhuang)(zhuang)(zhuang)。不(bu)銹鋼絲(si)螺旋(xuan)波紋管(guan)一(yi)般疊加層數較(jiao)(jiao)多,提高(gao)(gao)層的單側(ce)薄厚較(jiao)(jiao)大 達到(dao)3.6mm,壓(ya)扣時要使提高(gao)(gao)層產(chan)生波浪狀(zhuang)(zhuang)(zhuang)形(xing)變(bian)而置入槽(cao)(cao)體就務必選(xuan)用(yong)(yong)環狀(zhuang)(zhuang)(zhuang)和(he)(he)鋸齒(chi)狀(zhuang)(zhuang)(zhuang)槽(cao)(cao)相(xiang)組成,這類槽(cao)(cao)形(xing)比(bi)鋸齒(chi)狀(zhuang)(zhuang)(zhuang)槽(cao)(cao)寬2/3,其(qi)抗拔脫力更強。