拖泵制造工藝

錐齒輪加工(gong)(gong)工(gong)(gong)藝流程(cheng)和難(nan)點控制(zhi)

為確保齒(chi)(chi)輪(lun)熱處理(li)(li)時(shi)，能夠(gou)減小變(bian)(bian)形并獲得均勻(yun)的組(zu)織和(he)較好的機(ji)械(xie)性(xing)能，在(zai)(zai)(zai)機(ji)加(jia)工(gong)(gong)前，先 對齒(chi)(chi)坯進(jin)行高溫正(zheng)火(huo)(huo)預處理(li)(li)，可(ke)以使組(zu)織得到(dao)細(xi)化(hua)，并減小滲(shen)碳淬火(huo)(huo)時(shi)零(ling)件的變(bian)(bian)形，同時(shi)還(huan)有(you)利于 提高切削性(xing)能。正(zheng)火(huo)(huo)后(hou)轉機(ji)加(jia)工(gong)(gong)，先在(zai)(zai)(zai)車床(chuang)上對齒(chi)(chi)坯外圓、端面進(jin)行粗、精加(jia)工(gong)(gong)后(hou)，在(zai)(zai)(zai)臥(wo)式(shi)銑(xian)床(chuang)上進(jin) 行銑(xian)齒(chi)(chi)，然后(hou)在(zai)(zai)(zai)插床(chuang)上插鍵(jian)槽，全部(bu)機(ji)加(jia)工(gong)(gong)完成后(hou)，進(jin)行滲(shen)碳淬火(huo)(huo)和(he)低溫回火(huo)(huo)處理(li)(li)，進(jin)行后(hou)序處 理(li)(li)。該零(ling)件的工(gong)(gong)藝流程為：正(zheng)火(huo)(huo)→車削→銑(xian)齒(chi)(chi)→插鍵(jian)槽→滲(shen)碳淬火(huo)(huo)及退火(huo)(huo)→噴砂(sha)→防(fang)銹(xiu)處理(li)(li)。工(gong)(gong)藝難點為銑(xian)齒(chi)(chi)和(he)熱處理(li)(li)工(gong)(gong)序。