拖(tuo)泵(beng)制造工藝

錐齒輪加工(gong)(gong)工(gong)(gong)藝(yi)流程和難點控制

為確保齒輪(lun)熱處(chu)理(li)(li)時(shi)，能(neng)(neng)夠減小變(bian)形并獲得均勻的組(zu)織和(he)較好的機械性(xing)(xing)能(neng)(neng)，在(zai)機加工(gong)(gong)前，先 對(dui)齒坯(pi)(pi)進(jin)行(xing)高溫(wen)正火(huo)預處(chu)理(li)(li)，可(ke)以使組(zu)織得到細化，并減小滲(shen)碳(tan)淬火(huo)時(shi)零件的變(bian)形，同時(shi)還有利于(yu) 提(ti)高切(qie)削性(xing)(xing)能(neng)(neng)。正火(huo)后轉(zhuan)機加工(gong)(gong)，先在(zai)車(che)床(chuang)上對(dui)齒坯(pi)(pi)外圓、端面進(jin)行(xing)粗、精加工(gong)(gong)后，在(zai)臥式銑(xian)(xian)床(chuang)上進(jin) 行(xing)銑(xian)(xian)齒，然后在(zai)插床(chuang)上插鍵(jian)(jian)槽，全(quan)部(bu)機加工(gong)(gong)完成(cheng)后，進(jin)行(xing)滲(shen)碳(tan)淬火(huo)和(he)低溫(wen)回(hui)火(huo)處(chu)理(li)(li)，進(jin)行(xing)后序(xu)處(chu) 理(li)(li)。該零件的工(gong)(gong)藝流(liu)程為：正火(huo)→車(che)削→銑(xian)(xian)齒→插鍵(jian)(jian)槽→滲(shen)碳(tan)淬火(huo)及退火(huo)→噴砂→防銹(xiu)處(chu)理(li)(li)。工(gong)(gong)藝難點為銑(xian)(xian)齒和(he)熱處(chu)理(li)(li)工(gong)(gong)序(xu)。