軟管總成壓扣(kou)工藝流程(cheng)是危害品質(zhi)的關鍵(jian)要素(su)
危害壓扣式橡膠軟管接頭總成(cheng)(cheng)品質(zhi)的(de)關(guan)鍵(jian)(jian)加工(gong)工(gong)藝要素是(shi)壓扣工(gong)藝流程。現(xian)階段關(guan)鍵(jian)(jian)有二種壓扣方(fang)法(fa),一(yi)種是(shi)軸(zhou)徑(jing)送入(ru)式,可(ke)在通用性壓機里用專用型模(mo)貝(bei)來完成(cheng)(cheng)。其壓扣量不容易調節,在壓扣全過程中非常容易損害(hai)外衣外表層。為了更好地取下壓扣件。務必把模(mo)貝(bei)制成(cheng)(cheng)對開(kai)啟式。這就會有合縫,使制成(cheng)(cheng)品外型不太好。另一(yi)種為軸(zhou)向壓扣式其模(mo)貝(bei)有兩開(kai)、三瓣(ban)、六(liu)瓣(ban)和八(ba)(ba)瓣(ban)模(mo)之分。合適大批量生產一(yi)般用六(liu)瓣(ban)和八(ba)(ba)瓣(ban)模(mo)貝(bei),確(que)保壓扣品質(zhi)的(de)基本是(shi)恰當把握橡(xiang)膠(jiao)軟(ruan)管的(de)內(nei)膠(jiao)縮小(xiao)量和外衣的(de)壓扣量。
其(qi)中孔規(gui)格(ge)盡可(ke)能超過提(ti)高(gao)層(ceng)(ceng)(ceng)規(gui)格(ge),不(bu)(bu)然沒法裝進,乃至會導(dao)致提(ti)高(gao)層(ceng)(ceng)(ceng)完全散(san)頭狀(zhuang)況(kuang)。一(yi)(yi)般(ban)空隙(xi)為1~1.5mm。外衣內(nei)部的槽(cao)(cao)(cao)(cao)形會立即(ji)危(wei)害接頭品質(zhi)。現階段有(you)直孔無(wu)槽(cao)(cao)(cao)(cao)體式(shi)、鋸齒(chi)狀(zhuang)槽(cao)(cao)(cao)(cao)體式(shi)及其(qi)環(huan)狀(zhuang)和鋸齒(chi)狀(zhuang)槽(cao)(cao)(cao)(cao)整(zheng)體式(shi)。棉繩(化學纖維)手工(gong)(gong)(gong)編(bian)織(zhi)橡膠軟管因(yin)應用工(gong)(gong)(gong)作(zuo)壓力低,拔(ba)(ba)脫力小,都選用無(wu)槽(cao)(cao)(cao)(cao)體式(shi)構造(zao)。不(bu)(bu)銹(xiu)鋼絲(si)手工(gong)(gong)(gong)編(bian)織(zhi)橡膠軟管在(zai)壓扣(kou)時(shi)其(qi)提(ti)高(gao)層(ceng)(ceng)(ceng)易造(zao)成彎折(zhe)形變(bian),多(duo)選用鋸齒(chi)狀(zhuang)。不(bu)(bu)銹(xiu)鋼絲(si)螺旋(xuan)波(bo)紋(wen)管一(yi)(yi)般(ban)疊加層(ceng)(ceng)(ceng)數(shu)較多(duo),提(ti)高(gao)層(ceng)(ceng)(ceng)的單側薄厚較大(da) 達到3.6mm,壓扣(kou)時(shi)要(yao)使(shi)提(ti)高(gao)層(ceng)(ceng)(ceng)產生波(bo)浪狀(zhuang)形變(bian)而置入槽(cao)(cao)(cao)(cao)體就務必(bi)選用環(huan)狀(zhuang)和鋸齒(chi)狀(zhuang)槽(cao)(cao)(cao)(cao)相(xiang)組(zu)成,這類槽(cao)(cao)(cao)(cao)形比(bi)鋸齒(chi)狀(zhuang)槽(cao)(cao)(cao)(cao)寬2/3,其(qi)抗(kang)拔(ba)(ba)脫力更強。