拖泵制造工藝

錐齒輪(lun)加工工藝流程(cheng)和難(nan)點控制

為確保齒(chi)輪熱(re)處(chu)理(li)(li)時(shi)，能夠(gou)減(jian)小(xiao)變(bian)形并獲(huo)得均勻(yun)的組織和較好的機械(xie)性能，在(zai)機加(jia)工(gong)(gong)前，先 對(dui)齒(chi)坯(pi)進行(xing)高溫(wen)正(zheng)(zheng)火(huo)預處(chu)理(li)(li)，可(ke)以使組織得到細(xi)化，并減(jian)小(xiao)滲(shen)碳(tan)淬(cui)火(huo)時(shi)零(ling)件的變(bian)形，同時(shi)還有(you)利(li)于 提高切削性能。正(zheng)(zheng)火(huo)后(hou)轉機加(jia)工(gong)(gong)，先在(zai)車(che)床(chuang)(chuang)上對(dui)齒(chi)坯(pi)外圓(yuan)、端面進行(xing)粗、精加(jia)工(gong)(gong)后(hou)，在(zai)臥式銑(xian)(xian)床(chuang)(chuang)上進 行(xing)銑(xian)(xian)齒(chi)，然后(hou)在(zai)插(cha)床(chuang)(chuang)上插(cha)鍵(jian)(jian)槽，全部機加(jia)工(gong)(gong)完(wan)成后(hou)，進行(xing)滲(shen)碳(tan)淬(cui)火(huo)和低溫(wen)回火(huo)處(chu)理(li)(li)，進行(xing)后(hou)序處(chu) 理(li)(li)。該零(ling)件的工(gong)(gong)藝流程為：正(zheng)(zheng)火(huo)→車(che)削→銑(xian)(xian)齒(chi)→插(cha)鍵(jian)(jian)槽→滲(shen)碳(tan)淬(cui)火(huo)及退火(huo)→噴砂→防(fang)銹處(chu)理(li)(li)。工(gong)(gong)藝難點(dian)為銑(xian)(xian)齒(chi)和熱(re)處(chu)理(li)(li)工(gong)(gong)序。