拖泵制造工藝

錐齒輪加工工藝流程(cheng)和難點控制

為(wei)確保齒(chi)輪(lun)熱(re)處(chu)理時(shi)(shi)，能夠減小(xiao)變形(xing)(xing)并獲得(de)均(jun)勻的組織和(he)較好的機(ji)械性能，在(zai)機(ji)加(jia)工(gong)(gong)(gong)前，先(xian) 對齒(chi)坯進行(xing)(xing)高(gao)溫(wen)正火(huo)(huo)預(yu)處(chu)理，可以使組織得(de)到細化，并減小(xiao)滲碳(tan)(tan)淬(cui)火(huo)(huo)時(shi)(shi)零件的變形(xing)(xing)，同時(shi)(shi)還有利于 提高(gao)切削性能。正火(huo)(huo)后(hou)(hou)轉機(ji)加(jia)工(gong)(gong)(gong)，先(xian)在(zai)車床(chuang)上(shang)(shang)對齒(chi)坯外(wai)圓、端面進行(xing)(xing)粗、精(jing)加(jia)工(gong)(gong)(gong)后(hou)(hou)，在(zai)臥式銑床(chuang)上(shang)(shang)進 行(xing)(xing)銑齒(chi)，然(ran)后(hou)(hou)在(zai)插床(chuang)上(shang)(shang)插鍵槽，全(quan)部機(ji)加(jia)工(gong)(gong)(gong)完成后(hou)(hou)，進行(xing)(xing)滲碳(tan)(tan)淬(cui)火(huo)(huo)和(he)低溫(wen)回火(huo)(huo)處(chu)理，進行(xing)(xing)后(hou)(hou)序處(chu) 理。該零件的工(gong)(gong)(gong)藝流程為(wei)：正火(huo)(huo)→車削→銑齒(chi)→插鍵槽→滲碳(tan)(tan)淬(cui)火(huo)(huo)及退火(huo)(huo)→噴砂→防(fang)銹(xiu)處(chu)理。工(gong)(gong)(gong)藝難點為(wei)銑齒(chi)和(he)熱(re)處(chu)理工(gong)(gong)(gong)序。