具體參數

混凝(ning)土拖泵支重輪(lun)部件上有一配(pei)對錐(zhui)齒(chi)(chi)(chi)輪(lun)，其(qi)中一個錐(zhui)齒(chi)(chi)(chi)輪(lun)結構如(ru)圖1，材料為(wei)(wei)(wei)20CrMnTi，該齒(chi)(chi)(chi) 輪(lun)的主要技術(shu)參(can)數(shu)為(wei)(wei)(wei)：大端(duan)端(duan)面模數(shu)為(wei)(wei)(wei)4、齒(chi)(chi)(chi)數(shu)20、齒(chi)(chi)(chi)形角為(wei)(wei)(wei)20°、切向變(bian)位(wei)系數(shu)為(wei)(wei)(wei)0、徑向變(bian)位(wei)系數(shu) 為(wei)(wei)(wei)-0.27、大端(duan)齒(chi)(chi)(chi)高0.8mm、精度等級為(wei)(wei)(wei)8CB GB11365。由(you)于齒(chi)(chi)(chi)面硬(ying)度要求為(wei)(wei)(wei)HRC56~64，因(yin)此，齒(chi)(chi)(chi)輪(lun)需要進行滲碳(tan)淬火處理(li)，滲層深度要求為(wei)(wei)(wei)0.8-1.2mm。

從技術要(yao)求和(he)精度等(deng)級來看，該(gai)齒(chi)(chi)輪(lun)的加(jia)工(gong)(gong)精度 等(deng)級要(yao)求不高(gao)，要(yao)確(que)保該(gai)零(ling)件的加(jia)工(gong)(gong)質(zhi)量，關鍵在于解決好錐(zhui)齒(chi)(chi)加(jia)工(gong)(gong)和(he)熱處(chu)理(li)工(gong)(gong)藝(yi)環節，由(you)于該(gai)零(ling)件 屬于試(shi)制(zhi)階段，為降(jiang)低加(jia)工(gong)(gong)成本，我們決定(ding)在臥式銑(xian)床上采用成形齒(chi)(chi)輪(lun)銑(xian)刀銑(xian)齒(chi)(chi)法加(jia)工(gong)(gong)該(gai)錐(zhui)齒(chi)(chi)輪(lun)，并通過制(zhi)訂合理(li)的熱處(chu)理(li)工(gong)(gong)藝(yi)方法和(he)參數來保證該(gai)齒(chi)(chi)輪(lun)的加(jia)工(gong)(gong)質(zhi)量。