拖泵制造工藝

錐齒輪加(jia)工(gong)工(gong)藝(yi)流程和難點控(kong)制

為確保齒(chi)輪熱處(chu)理時，能(neng)夠減小變形并(bing)獲得均勻的(de)組(zu)織和較好的(de)機械(xie)性能(neng)，在機加(jia)工(gong)(gong)前，先(xian) 對(dui)齒(chi)坯進(jin)行(xing)(xing)高溫(wen)正(zheng)(zheng)火(huo)預處(chu)理，可以使組(zu)織得到細化，并(bing)減小滲(shen)(shen)碳(tan)淬(cui)火(huo)時零件的(de)變形，同時還有利于 提高切削性能(neng)。正(zheng)(zheng)火(huo)后(hou)(hou)(hou)轉(zhuan)機加(jia)工(gong)(gong)，先(xian)在車(che)床上(shang)對(dui)齒(chi)坯外圓、端面進(jin)行(xing)(xing)粗(cu)、精加(jia)工(gong)(gong)后(hou)(hou)(hou)，在臥式銑床上(shang)進(jin) 行(xing)(xing)銑齒(chi)，然(ran)后(hou)(hou)(hou)在插床上(shang)插鍵槽，全部機加(jia)工(gong)(gong)完成(cheng)后(hou)(hou)(hou)，進(jin)行(xing)(xing)滲(shen)(shen)碳(tan)淬(cui)火(huo)和低(di)溫(wen)回(hui)火(huo)處(chu)理，進(jin)行(xing)(xing)后(hou)(hou)(hou)序(xu)處(chu) 理。該零件的(de)工(gong)(gong)藝(yi)流(liu)程為：正(zheng)(zheng)火(huo)→車(che)削→銑齒(chi)→插鍵槽→滲(shen)(shen)碳(tan)淬(cui)火(huo)及退火(huo)→噴(pen)砂→防銹處(chu)理。工(gong)(gong)藝(yi)難點為銑齒(chi)和熱處(chu)理工(gong)(gong)序(xu)。