具體參數

拖泵(beng)銑齒方法和工藝過程(cheng)

在(zai)普通臥式(shi)銑(xian)床上(shang)(shang)，采用(yong)帶有(you)轉(zhuan)盤(pan)的分度(du)(du)(du)(du)頭(tou)進(jin)行(xing)分度(du)(du)(du)(du)。具體(ti)方法是想將齒(chi)(chi)(chi)(chi)坯(pi)固定在(zai)分度(du)(du)(du)(du)頭(tou)上(shang)(shang)，見 調整分度(du)(du)(du)(du)頭(tou)傾角(jiao)，將分度(du)(du)(du)(du)頭(tou)扳起一(yi)個角(jiao)度(du)(du)(du)(du)，該角(jiao)度(du)(du)(du)(du)等于錐(zhui)(zhui)齒(chi)(chi)(chi)(chi)輪(lun)根錐(zhui)(zhui)角(jiao)δf，用(yong)切痕法使銑(xian)刀(dao)廓形 的對(dui)稱線(xian)對(dui)準(zhun)齒(chi)(chi)(chi)(chi)坯(pi)的中心，調整切削深(shen)度(du)(du)(du)(du)，以大端為基準(zhun)，將工作臺升高(gao)一(yi)個大端全齒(chi)(chi)(chi)(chi)高(gao)后，先銑(xian)齒(chi)(chi)(chi)(chi) 槽(cao)的中部，由于此時采用(yong)的直齒(chi)(chi)(chi)(chi)錐(zhui)(zhui)齒(chi)(chi)(chi)(chi)輪(lun)成形銑(xian)刀(dao)的厚度(du)(du)(du)(du)是按照略小于錐(zhui)(zhui)齒(chi)(chi)(chi)(chi)輪(lun)小端的齒(chi)(chi)(chi)(chi)槽(cao)寬度(du)(du)(du)(du)設計的， 所以齒(chi)(chi)(chi)(chi)槽(cao)中部銑(xian)好后，齒(chi)(chi)(chi)(chi)輪(lun)大端和兩側面還(huan)有(you)一(yi)定加工余量，因此，還(huan)要對(dui)上(shang)(shang)述部位進(jin)行(xing)加工。

此時(shi)， 將分(fen)(fen)度頭(tou)底座(zuo)在水平面(mian)旋(xuan)轉一個α角(jiao)(jiao)，使銑(xian)刀廓形(xing)對(dui)稱(cheng)線和齒坯軸(zhou)線成一個角(jiao)(jiao)度，同時(shi)適當移(yi)動(dong)橫(heng)(heng)向(xiang)(xiang) 工作臺(移(yi)動(dong)量可(ke)以通過(guo)試切(qie)來(lai)確定(ding))，先將齒槽一側的余量銑(xian)去，然后再將分(fen)(fen)度頭(tou)底座(zuo)反向(xiang)(xiang)旋(xuan) 轉2α角(jiao)(jiao)，橫(heng)(heng)向(xiang)(xiang)工作臺也反向(xiang)(xiang)移(yi)動(dong)，銑(xian)削(xue)齒槽的另一側面(mian)余量。