東莞市(shi)銳鑫機電有限(xian)公司
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B棟401
具體參數
拖泵(beng)銑(xian)齒方法和工藝過程(cheng)
在普通臥式(shi)銑(xian)(xian)床上,采用帶有(you)轉盤的(de)(de)(de)分(fen)度(du)(du)(du)頭(tou)進行分(fen)度(du)(du)(du)。具(ju)體方法是想將(jiang)齒(chi)(chi)(chi)坯固定在分(fen)度(du)(du)(du)頭(tou)上,見(jian) 調整(zheng)分(fen)度(du)(du)(du)頭(tou)傾角(jiao),將(jiang)分(fen)度(du)(du)(du)頭(tou)扳(ban)起一(yi)個角(jiao)度(du)(du)(du),該(gai)角(jiao)度(du)(du)(du)等于錐齒(chi)(chi)(chi)輪根(gen)錐角(jiao)δf,用切(qie)痕法使銑(xian)(xian)刀廓形 的(de)(de)(de)對(dui)(dui)稱線對(dui)(dui)準(zhun)齒(chi)(chi)(chi)坯的(de)(de)(de)中心(xin),調整(zheng)切(qie)削深度(du)(du)(du),以大(da)端為基準(zhun),將(jiang)工(gong)(gong)作臺升高(gao)一(yi)個大(da)端全齒(chi)(chi)(chi)高(gao)后(hou),先(xian)銑(xian)(xian)齒(chi)(chi)(chi) 槽的(de)(de)(de)中部,由于此(ci)時采用的(de)(de)(de)直齒(chi)(chi)(chi)錐齒(chi)(chi)(chi)輪成形銑(xian)(xian)刀的(de)(de)(de)厚(hou)度(du)(du)(du)是按照(zhao)略(lve)小(xiao)于錐齒(chi)(chi)(chi)輪小(xiao)端的(de)(de)(de)齒(chi)(chi)(chi)槽寬度(du)(du)(du)設計的(de)(de)(de), 所以齒(chi)(chi)(chi)槽中部銑(xian)(xian)好后(hou),齒(chi)(chi)(chi)輪大(da)端和兩側面(mian)還有(you)一(yi)定加(jia)工(gong)(gong)余量,因(yin)此(ci),還要(yao)對(dui)(dui)上述部位進行加(jia)工(gong)(gong)。
此時, 將(jiang)(jiang)分度頭底(di)座在水平面(mian)旋轉一個(ge)α角,使銑(xian)刀廓形(xing)對(dui)稱線(xian)和齒(chi)坯(pi)軸線(xian)成(cheng)一個(ge)角度,同時適當移動(dong)橫(heng)向(xiang) 工作(zuo)臺(tai)(tai)(移動(dong)量(liang)可以通過試(shi)切來確定),先將(jiang)(jiang)齒(chi)槽一側(ce)的余(yu)(yu)量(liang)銑(xian)去,然后再(zai)將(jiang)(jiang)分度頭底(di)座反向(xiang)旋 轉2α角,橫(heng)向(xiang)工作(zuo)臺(tai)(tai)也反向(xiang)移動(dong),銑(xian)削齒(chi)槽的另一側(ce)面(mian)余(yu)(yu)量(liang)。