拖泵(beng)制造工藝

錐齒輪加(jia)工工藝流程和難(nan)點控制

為(wei)確(que)保齒(chi)(chi)輪(lun)熱處(chu)(chu)理時(shi)(shi)，能夠減小(xiao)變(bian)形并獲得均(jun)勻的(de)組織(zhi)和(he)較好的(de)機械性(xing)能，在(zai)(zai)機加(jia)(jia)工(gong)(gong)前，先(xian) 對齒(chi)(chi)坯進(jin)行高溫正火(huo)(huo)預處(chu)(chu)理，可以使組織(zhi)得到細化，并減小(xiao)滲碳淬(cui)火(huo)(huo)時(shi)(shi)零(ling)件的(de)變(bian)形，同時(shi)(shi)還有利于(yu) 提高切削性(xing)能。正火(huo)(huo)后(hou)轉機加(jia)(jia)工(gong)(gong)，先(xian)在(zai)(zai)車床上(shang)對齒(chi)(chi)坯外圓、端面進(jin)行粗、精(jing)加(jia)(jia)工(gong)(gong)后(hou)，在(zai)(zai)臥(wo)式銑床上(shang)進(jin) 行銑齒(chi)(chi)，然后(hou)在(zai)(zai)插床上(shang)插鍵槽，全部機加(jia)(jia)工(gong)(gong)完(wan)成(cheng)后(hou)，進(jin)行滲碳淬(cui)火(huo)(huo)和(he)低(di)溫回火(huo)(huo)處(chu)(chu)理，進(jin)行后(hou)序處(chu)(chu) 理。該零(ling)件的(de)工(gong)(gong)藝(yi)流程為(wei)：正火(huo)(huo)→車削→銑齒(chi)(chi)→插鍵槽→滲碳淬(cui)火(huo)(huo)及退(tui)火(huo)(huo)→噴(pen)砂→防銹處(chu)(chu)理。工(gong)(gong)藝(yi)難(nan)點為(wei)銑齒(chi)(chi)和(he)熱處(chu)(chu)理工(gong)(gong)序。