改善螺旋軸加工制造工藝,因為頭軸、尾軸、中間管軸分隔加工、組焊后各件同心度驗證以確保,今后再焊接絞龍螺旋葉片后又產生(sheng)了(le)曲折變(bian)形,其變(bian)形難以操控,焊接時(shi)螺旋軸部分高溫又冷卻,相當于部分回火熱(re)處理,改(gai)變(bian)了(le)此部分力學性能.

1、選(xuan)(xuan)(xuan)用(yong)(yong)工裝(zhuang)(zhuang)規(gui)劃,車削選(xuan)(xuan)(xuan)用(yong)(yong)一(yi)夾(jia)、一(yi)支(zhi)承(cheng)(cheng)(cheng)和(he)一(yi)輔(fu)佐(zuo)支(zhi)承(cheng)(cheng)(cheng)的(de)過定位裝(zhuang)(zhuang)夾(jia)方法(fa),頭軸部分(fen)選(xuan)(xuan)(xuan)用(yong)(yong)四爪卡(ka)盤裝(zhuang)(zhuang)夾(jia),床身尾部處(chu)用(yong)(yong)中心(xin)架(jia)支(zhi)承(cheng)(cheng)(cheng),在床身的(de)外(wai)延伸部分(fen)選(xuan)(xuan)(xuan)用(yong)(yong)專門托輥工裝(zhuang)(zhuang)支(zhi)承(cheng)(cheng)(cheng),托輥工裝(zhuang)(zhuang)支(zhi)承(cheng)(cheng)(cheng)作為輔(fu)佐(zuo)支(zhi)承(cheng)(cheng)(cheng)來(lai)增加工藝體系的(de)剛性.

2、車削(xue)進程,螺旋軸(zhou)(zhou)軸(zhou)(zhou)頭(tou)(tou)部(bu)分在車削(xue)前(qian)要求其精加(jia)(jia)工(gong)(gong)處(chu)留加(jia)(jia)工(gong)(gong)余量10mm,軸(zhou)(zhou)頭(tou)(tou)處(chu)留有80mm長的(de)工(gong)(gong)藝卡(ka)差距便于(yu)裝夾(jia),尾軸(zhou)(zhou)端的(de)管軸(zhou)(zhou)上(shang)車出寬80mm光面外圓,供(gong)中心架(jia)支承用.按照機(ji)械加(jia)(jia)工(gong)(gong)工(gong)(gong)藝車削(xue)頭(tou)(tou)軸(zhou)(zhou)部(bu)分,完結(jie)(jie)仇(chou)人軸(zhou)(zhou)部(bu)分的(de)精加(jia)(jia)工(gong)(gong),用鋸床鋸去頭(tou)(tou)軸(zhou)(zhou)處(chu)工(gong)(gong)藝卡(ka)頭(tou)(tou)即可,在銑(xian)床上(shang)加(jia)(jia)工(gong)(gong)鍵槽,完結(jie)(jie)悉(xi)數加(jia)(jia)工(gong)(gong),制作出合格工(gong)(gong)件.

螺(luo)(luo)旋軸(zhou)焊接(jie)葉片時(shi),選用雙人雙側同(tong)(tong)步接(jie)技能,確保其變形(xing)量(liang)雙側相(xiang)同(tong)(tong),彼此抵消,用此方法(fa)操控并減(jian)少(shao)了變形(xing)量(liang),奇妙地處理(li)了制造(zao)工藝帶(dai)來的長螺(luo)(luo)旋軸(zhou)曲(qu)折問題.

針對螺旋輸送機因絞龍螺旋葉片長(chang)螺旋曲折(zhe)而(er)形(xing)成的(de)不(bu)規(gui)則噪聲(sheng),對螺旋輸(shu)送(song)機體系(xi)和(he)制造工藝體系(xi)改(gai)善規(gui)劃,處(chu)理了上述問(wen)題,噪聲(sheng)顯著下降(jiang),徹底滿足了運(yun)用要求.

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