具體參數

混凝土拖泵支重輪部件上有一(yi)(yi)配對錐(zhui)(zhui)齒輪，其中(zhong)一(yi)(yi)個錐(zhui)(zhui)齒輪結(jie)構如圖1，材(cai)料為(wei)(wei)20CrMnTi，該(gai)齒 輪的(de)主要(yao)(yao)技(ji)術參數為(wei)(wei)：大端(duan)(duan)端(duan)(duan)面(mian)模數為(wei)(wei)4、齒數20、齒形(xing)角為(wei)(wei)20°、切向變(bian)位系數為(wei)(wei)0、徑向變(bian)位系數 為(wei)(wei)-0.27、大端(duan)(duan)齒高(gao)0.8mm、精度(du)等級為(wei)(wei)8CB GB11365。由(you)于齒面(mian)硬度(du)要(yao)(yao)求(qiu)為(wei)(wei)HRC56~64，因此，齒輪需要(yao)(yao)進行滲碳淬火處(chu)理，滲層深度(du)要(yao)(yao)求(qiu)為(wei)(wei)0.8-1.2mm。

從技術要(yao)(yao)求和精度等(deng)級來看，該(gai)齒(chi)輪的加(jia)(jia)工(gong)(gong)精度 等(deng)級要(yao)(yao)求不高，要(yao)(yao)確保該(gai)零件的加(jia)(jia)工(gong)(gong)質量，關(guan)鍵在于解決(jue)好錐齒(chi)加(jia)(jia)工(gong)(gong)和熱處(chu)理工(gong)(gong)藝環(huan)節，由于該(gai)零件 屬于試(shi)制階段，為(wei)降(jiang)低加(jia)(jia)工(gong)(gong)成(cheng)本，我們決(jue)定在臥式銑(xian)(xian)床上采用成(cheng)形齒(chi)輪銑(xian)(xian)刀銑(xian)(xian)齒(chi)法加(jia)(jia)工(gong)(gong)該(gai)錐齒(chi)輪，并(bing)通過(guo)制訂(ding)合理的熱處(chu)理工(gong)(gong)藝方法和參數來保證該(gai)齒(chi)輪的加(jia)(jia)工(gong)(gong)質量。