東莞市銳(rui)鑫機電有限公司
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B棟(dong)401
具體參數
拖泵銑齒方法和工藝過程
在(zai)普(pu)通(tong)臥式銑床上,采用(yong)帶(dai)有轉盤的(de)(de)(de)(de)分(fen)度(du)(du)(du)(du)頭(tou)(tou)進(jin)行(xing)分(fen)度(du)(du)(du)(du)。具(ju)體方法是想將(jiang)齒(chi)(chi)坯(pi)固定在(zai)分(fen)度(du)(du)(du)(du)頭(tou)(tou)上,見 調整分(fen)度(du)(du)(du)(du)頭(tou)(tou)傾(qing)角(jiao)(jiao)(jiao)(jiao),將(jiang)分(fen)度(du)(du)(du)(du)頭(tou)(tou)扳起一個(ge)角(jiao)(jiao)(jiao)(jiao)度(du)(du)(du)(du),該(gai)角(jiao)(jiao)(jiao)(jiao)度(du)(du)(du)(du)等于錐(zhui)齒(chi)(chi)輪(lun)根錐(zhui)角(jiao)(jiao)(jiao)(jiao)δf,用(yong)切(qie)(qie)痕法使銑刀廓形(xing) 的(de)(de)(de)(de)對稱線對準(zhun)齒(chi)(chi)坯(pi)的(de)(de)(de)(de)中心,調整切(qie)(qie)削深度(du)(du)(du)(du),以(yi)大(da)(da)(da)端(duan)(duan)為基(ji)準(zhun),將(jiang)工作(zuo)臺(tai)升高一個(ge)大(da)(da)(da)端(duan)(duan)全齒(chi)(chi)高后,先銑齒(chi)(chi) 槽的(de)(de)(de)(de)中部(bu),由于此時(shi)采用(yong)的(de)(de)(de)(de)直齒(chi)(chi)錐(zhui)齒(chi)(chi)輪(lun)成形(xing)銑刀的(de)(de)(de)(de)厚度(du)(du)(du)(du)是按照略小于錐(zhui)齒(chi)(chi)輪(lun)小端(duan)(duan)的(de)(de)(de)(de)齒(chi)(chi)槽寬度(du)(du)(du)(du)設計的(de)(de)(de)(de), 所以(yi)齒(chi)(chi)槽中部(bu)銑好后,齒(chi)(chi)輪(lun)大(da)(da)(da)端(duan)(duan)和兩側面還有一定加工余量(liang),因此,還要對上述部(bu)位(wei)進(jin)行(xing)加工。
此時, 將分度(du)頭(tou)底(di)座在水平面旋(xuan)轉一(yi)個(ge)α角,使銑(xian)刀廓形(xing)對稱線和齒(chi)(chi)(chi)坯軸線成一(yi)個(ge)角度(du),同時適當移動(dong)(dong)橫(heng)(heng)向(xiang) 工(gong)(gong)作臺(tai)(移動(dong)(dong)量(liang)(liang)可以(yi)通過試切(qie)來確定),先將齒(chi)(chi)(chi)槽一(yi)側的(de)余量(liang)(liang)銑(xian)去,然(ran)后再(zai)將分度(du)頭(tou)底(di)座反(fan)向(xiang)旋(xuan) 轉2α角,橫(heng)(heng)向(xiang)工(gong)(gong)作臺(tai)也反(fan)向(xiang)移動(dong)(dong),銑(xian)削齒(chi)(chi)(chi)槽的(de)另(ling)一(yi)側面余量(liang)(liang)。