拖(tuo)泵制造工(gong)藝

錐齒輪加工(gong)工(gong)藝流(liu)程和難點控制(zhi)

為確保齒(chi)(chi)輪熱處(chu)理(li)(li)時，能(neng)夠減小(xiao)變形并(bing)獲(huo)得(de)均勻的組織和(he)較好(hao)的機(ji)(ji)械性能(neng)，在(zai)機(ji)(ji)加工(gong)(gong)(gong)前(qian)，先(xian) 對(dui)齒(chi)(chi)坯進行(xing)高(gao)溫正火(huo)預處(chu)理(li)(li)，可以使組織得(de)到細化(hua)，并(bing)減小(xiao)滲碳淬火(huo)時零件的變形，同時還有利于(yu) 提(ti)高(gao)切(qie)削性能(neng)。正火(huo)后轉機(ji)(ji)加工(gong)(gong)(gong)，先(xian)在(zai)車(che)床上對(dui)齒(chi)(chi)坯外圓、端面進行(xing)粗、精加工(gong)(gong)(gong)后，在(zai)臥式(shi)銑(xian)床上進 行(xing)銑(xian)齒(chi)(chi)，然后在(zai)插床上插鍵槽，全部(bu)機(ji)(ji)加工(gong)(gong)(gong)完成后，進行(xing)滲碳淬火(huo)和(he)低溫回火(huo)處(chu)理(li)(li)，進行(xing)后序處(chu) 理(li)(li)。該零件的工(gong)(gong)(gong)藝(yi)流程為：正火(huo)→車(che)削→銑(xian)齒(chi)(chi)→插鍵槽→滲碳淬火(huo)及退火(huo)→噴(pen)砂→防銹處(chu)理(li)(li)。工(gong)(gong)(gong)藝(yi)難點(dian)為銑(xian)齒(chi)(chi)和(he)熱處(chu)理(li)(li)工(gong)(gong)(gong)序。