拖泵(beng)制(zhi)造工藝

錐齒輪加工(gong)(gong)工(gong)(gong)藝流(liu)程和難(nan)點控制

為(wei)確(que)保(bao)齒(chi)輪熱處(chu)理(li)(li)(li)(li)時，能夠減(jian)(jian)小變形(xing)并獲得均勻的組織(zhi)和較好的機(ji)械(xie)性能，在機(ji)加(jia)工(gong)(gong)前，先 對齒(chi)坯進(jin)行(xing)高溫(wen)正火(huo)預處(chu)理(li)(li)(li)(li)，可以使組織(zhi)得到細化，并減(jian)(jian)小滲(shen)碳淬(cui)火(huo)時零(ling)件(jian)的變形(xing)，同時還有利(li)于 提高切削(xue)性能。正火(huo)后(hou)(hou)轉機(ji)加(jia)工(gong)(gong)，先在車(che)床上(shang)對齒(chi)坯外(wai)圓(yuan)、端面進(jin)行(xing)粗、精(jing)加(jia)工(gong)(gong)后(hou)(hou)，在臥式銑(xian)(xian)床上(shang)進(jin) 行(xing)銑(xian)(xian)齒(chi)，然(ran)后(hou)(hou)在插(cha)床上(shang)插(cha)鍵槽(cao)，全部(bu)機(ji)加(jia)工(gong)(gong)完成(cheng)后(hou)(hou)，進(jin)行(xing)滲(shen)碳淬(cui)火(huo)和低溫(wen)回火(huo)處(chu)理(li)(li)(li)(li)，進(jin)行(xing)后(hou)(hou)序處(chu) 理(li)(li)(li)(li)。該零(ling)件(jian)的工(gong)(gong)藝流程(cheng)為(wei)：正火(huo)→車(che)削(xue)→銑(xian)(xian)齒(chi)→插(cha)鍵槽(cao)→滲(shen)碳淬(cui)火(huo)及退火(huo)→噴砂(sha)→防銹(xiu)處(chu)理(li)(li)(li)(li)。工(gong)(gong)藝難點(dian)為(wei)銑(xian)(xian)齒(chi)和熱處(chu)理(li)(li)(li)(li)工(gong)(gong)序。