東莞(guan)市銳(rui)鑫機電有限(xian)公司
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B棟401
具體參數
拖泵(beng)銑齒方法和工藝(yi)過程
在普通臥式銑床(chuang)上,采用(yong)帶有轉盤的分度(du)(du)(du)(du)(du)頭進行分度(du)(du)(du)(du)(du)。具體方(fang)法(fa)是想將齒坯固定在分度(du)(du)(du)(du)(du)頭上,見(jian) 調(diao)整分度(du)(du)(du)(du)(du)頭傾角(jiao),將分度(du)(du)(du)(du)(du)頭扳起一(yi)個角(jiao)度(du)(du)(du)(du)(du),該角(jiao)度(du)(du)(du)(du)(du)等于錐(zhui)齒輪(lun)根(gen)錐(zhui)角(jiao)δf,用(yong)切(qie)痕法(fa)使(shi)銑刀廓形 的對(dui)稱(cheng)線對(dui)準(zhun)齒坯的中(zhong)(zhong)心,調(diao)整切(qie)削深度(du)(du)(du)(du)(du),以(yi)大端為(wei)基準(zhun),將工(gong)(gong)作臺升高一(yi)個大端全齒高后,先(xian)銑齒 槽(cao)(cao)的中(zhong)(zhong)部(bu),由于此(ci)時采用(yong)的直齒錐(zhui)齒輪(lun)成形銑刀的厚度(du)(du)(du)(du)(du)是按照(zhao)略(lve)小于錐(zhui)齒輪(lun)小端的齒槽(cao)(cao)寬度(du)(du)(du)(du)(du)設計(ji)的, 所以(yi)齒槽(cao)(cao)中(zhong)(zhong)部(bu)銑好(hao)后,齒輪(lun)大端和兩側面還有一(yi)定加工(gong)(gong)余量(liang),因此(ci),還要對(dui)上述部(bu)位進行加工(gong)(gong)。
此時(shi), 將(jiang)分(fen)度頭底座(zuo)在水(shui)平面旋(xuan)轉(zhuan)一個(ge)α角(jiao)(jiao),使(shi)銑刀廓(kuo)形(xing)對稱(cheng)線和齒(chi)(chi)(chi)坯軸線成一個(ge)角(jiao)(jiao)度,同時(shi)適(shi)當移(yi)動(dong)橫向 工作臺(移(yi)動(dong)量(liang)(liang)可(ke)以(yi)通過試切(qie)來確定(ding)),先將(jiang)齒(chi)(chi)(chi)槽一側(ce)的余量(liang)(liang)銑去,然后再(zai)將(jiang)分(fen)度頭底座(zuo)反(fan)向旋(xuan) 轉(zhuan)2α角(jiao)(jiao),橫向工作臺也(ye)反(fan)向移(yi)動(dong),銑削齒(chi)(chi)(chi)槽的另(ling)一側(ce)面余量(liang)(liang)。