拖泵制(zhi)造工藝

錐齒輪加工工藝(yi)流程和難點(dian)控制

為(wei)(wei)(wei)確保齒輪熱處(chu)理(li)(li)時，能夠減小變形(xing)并獲(huo)得(de)均勻的組織(zhi)和較好的機械性能，在(zai)機加(jia)工(gong)(gong)前(qian)，先 對齒坯(pi)進(jin)行(xing)(xing)高(gao)溫正火(huo)(huo)(huo)預處(chu)理(li)(li)，可以(yi)使組織(zhi)得(de)到細(xi)化，并減小滲碳淬(cui)(cui)火(huo)(huo)(huo)時零件的變形(xing)，同時還有利(li)于 提(ti)高(gao)切削性能。正火(huo)(huo)(huo)后(hou)(hou)轉(zhuan)機加(jia)工(gong)(gong)，先在(zai)車(che)床上對齒坯(pi)外圓、端(duan)面進(jin)行(xing)(xing)粗、精加(jia)工(gong)(gong)后(hou)(hou)，在(zai)臥(wo)式銑(xian)床上進(jin) 行(xing)(xing)銑(xian)齒，然后(hou)(hou)在(zai)插床上插鍵槽，全部機加(jia)工(gong)(gong)完成后(hou)(hou)，進(jin)行(xing)(xing)滲碳淬(cui)(cui)火(huo)(huo)(huo)和低溫回火(huo)(huo)(huo)處(chu)理(li)(li)，進(jin)行(xing)(xing)后(hou)(hou)序(xu)(xu)處(chu) 理(li)(li)。該(gai)零件的工(gong)(gong)藝(yi)流(liu)程為(wei)(wei)(wei)：正火(huo)(huo)(huo)→車(che)削→銑(xian)齒→插鍵槽→滲碳淬(cui)(cui)火(huo)(huo)(huo)及退(tui)火(huo)(huo)(huo)→噴(pen)砂→防(fang)銹處(chu)理(li)(li)。工(gong)(gong)藝(yi)難點(dian)為(wei)(wei)(wei)銑(xian)齒和熱處(chu)理(li)(li)工(gong)(gong)序(xu)(xu)。