拖(tuo)泵制造工(gong)藝(yi)

錐(zhui)齒輪加工(gong)工(gong)藝流程和難點控制(zhi)

為確保齒(chi)輪熱(re)處(chu)(chu)理時(shi)，能(neng)夠減小(xiao)(xiao)變形并(bing)獲得均勻的(de)(de)組(zu)織和較好的(de)(de)機(ji)械(xie)性能(neng)，在機(ji)加(jia)工(gong)前，先 對齒(chi)坯進(jin)行(xing)高溫正(zheng)火(huo)預處(chu)(chu)理，可以使組(zu)織得到細(xi)化，并(bing)減小(xiao)(xiao)滲碳淬火(huo)時(shi)零件的(de)(de)變形，同時(shi)還(huan)有利于 提高切削(xue)性能(neng)。正(zheng)火(huo)后(hou)(hou)轉(zhuan)機(ji)加(jia)工(gong)，先在車床上對齒(chi)坯外圓(yuan)、端面(mian)進(jin)行(xing)粗、精加(jia)工(gong)后(hou)(hou)，在臥式銑(xian)(xian)(xian)床上進(jin) 行(xing)銑(xian)(xian)(xian)齒(chi)，然后(hou)(hou)在插床上插鍵槽，全部(bu)機(ji)加(jia)工(gong)完成后(hou)(hou)，進(jin)行(xing)滲碳淬火(huo)和低(di)溫回火(huo)處(chu)(chu)理，進(jin)行(xing)后(hou)(hou)序(xu)處(chu)(chu) 理。該零件的(de)(de)工(gong)藝流程(cheng)為：正(zheng)火(huo)→車削(xue)→銑(xian)(xian)(xian)齒(chi)→插鍵槽→滲碳淬火(huo)及退(tui)火(huo)→噴砂(sha)→防銹處(chu)(chu)理。工(gong)藝難點為銑(xian)(xian)(xian)齒(chi)和熱(re)處(chu)(chu)理工(gong)序(xu)。