東莞市銳鑫(xin)機電有限(xian)公司
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B棟401
具體參數
拖泵銑齒方法和工藝過程(cheng)
在普(pu)通臥(wo)式銑(xian)(xian)床上,采(cai)用帶有轉盤的(de)分(fen)度(du)(du)(du)頭(tou)進行分(fen)度(du)(du)(du)。具體方法是想將(jiang)齒(chi)(chi)(chi)(chi)(chi)(chi)坯(pi)固定(ding)在分(fen)度(du)(du)(du)頭(tou)上,見 調(diao)整分(fen)度(du)(du)(du)頭(tou)傾(qing)角,將(jiang)分(fen)度(du)(du)(du)頭(tou)扳(ban)起(qi)一個角度(du)(du)(du),該角度(du)(du)(du)等(deng)于錐齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)根(gen)錐角δf,用切(qie)(qie)痕法使銑(xian)(xian)刀廓形(xing) 的(de)對(dui)(dui)(dui)稱線對(dui)(dui)(dui)準(zhun)齒(chi)(chi)(chi)(chi)(chi)(chi)坯(pi)的(de)中(zhong)心(xin),調(diao)整切(qie)(qie)削深度(du)(du)(du),以大(da)端(duan)(duan)為(wei)基準(zhun),將(jiang)工(gong)作(zuo)臺升(sheng)高一個大(da)端(duan)(duan)全齒(chi)(chi)(chi)(chi)(chi)(chi)高后,先銑(xian)(xian)齒(chi)(chi)(chi)(chi)(chi)(chi) 槽的(de)中(zhong)部,由于此時采(cai)用的(de)直齒(chi)(chi)(chi)(chi)(chi)(chi)錐齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)成形(xing)銑(xian)(xian)刀的(de)厚度(du)(du)(du)是按照略小(xiao)于錐齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)小(xiao)端(duan)(duan)的(de)齒(chi)(chi)(chi)(chi)(chi)(chi)槽寬度(du)(du)(du)設計的(de), 所以齒(chi)(chi)(chi)(chi)(chi)(chi)槽中(zhong)部銑(xian)(xian)好(hao)后,齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)大(da)端(duan)(duan)和兩側面還有一定(ding)加工(gong)余量,因此,還要對(dui)(dui)(dui)上述部位進行加工(gong)。
此時, 將(jiang)分(fen)(fen)度頭(tou)底座(zuo)在水平面旋(xuan)轉(zhuan)一(yi)(yi)個(ge)α角(jiao),使銑刀廓形對稱線(xian)和齒坯軸線(xian)成(cheng)一(yi)(yi)個(ge)角(jiao)度,同時適當移(yi)動橫向(xiang) 工作(zuo)(zuo)臺(tai)(移(yi)動量可以通過試切來確(que)定),先將(jiang)齒槽一(yi)(yi)側(ce)的(de)余量銑去,然后再(zai)將(jiang)分(fen)(fen)度頭(tou)底座(zuo)反(fan)向(xiang)旋(xuan) 轉(zhuan)2α角(jiao),橫向(xiang)工作(zuo)(zuo)臺(tai)也反(fan)向(xiang)移(yi)動,銑削齒槽的(de)另一(yi)(yi)側(ce)面余量。