拖泵制造工(gong)藝

錐齒輪加(jia)工工藝(yi)流程和難點控制(zhi)

為(wei)確保齒(chi)輪熱(re)處(chu)(chu)理(li)(li)時，能(neng)(neng)夠減小變(bian)形(xing)并獲(huo)得均勻的組織和較(jiao)好(hao)的機(ji)械性能(neng)(neng)，在(zai)機(ji)加工(gong)前，先 對齒(chi)坯進(jin)(jin)(jin)行(xing)高溫(wen)(wen)正(zheng)火(huo)預處(chu)(chu)理(li)(li)，可(ke)以使(shi)組織得到細化，并減小滲碳淬火(huo)時零件(jian)的變(bian)形(xing)，同(tong)時還有利(li)于 提高切削性能(neng)(neng)。正(zheng)火(huo)后(hou)(hou)轉(zhuan)機(ji)加工(gong)，先在(zai)車床(chuang)上對齒(chi)坯外圓、端面(mian)進(jin)(jin)(jin)行(xing)粗、精加工(gong)后(hou)(hou)，在(zai)臥式(shi)銑(xian)床(chuang)上進(jin)(jin)(jin) 行(xing)銑(xian)齒(chi)，然后(hou)(hou)在(zai)插床(chuang)上插鍵槽(cao)，全(quan)部機(ji)加工(gong)完成后(hou)(hou)，進(jin)(jin)(jin)行(xing)滲碳淬火(huo)和低(di)溫(wen)(wen)回火(huo)處(chu)(chu)理(li)(li)，進(jin)(jin)(jin)行(xing)后(hou)(hou)序處(chu)(chu) 理(li)(li)。該零件(jian)的工(gong)藝流程(cheng)為(wei)：正(zheng)火(huo)→車削→銑(xian)齒(chi)→插鍵槽(cao)→滲碳淬火(huo)及退火(huo)→噴砂→防銹處(chu)(chu)理(li)(li)。工(gong)藝難點為(wei)銑(xian)齒(chi)和熱(re)處(chu)(chu)理(li)(li)工(gong)序。