東莞市銳鑫機電(dian)有限公司
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B棟(dong)401
具體參數
拖(tuo)泵銑(xian)齒方法(fa)和工藝過程
在普通臥(wo)式銑床(chuang)上(shang),采(cai)用(yong)帶有轉(zhuan)盤的(de)分(fen)度(du)頭(tou)進行(xing)分(fen)度(du)。具體(ti)方法是想將(jiang)齒(chi)(chi)(chi)坯固定在分(fen)度(du)頭(tou)上(shang),見 調整(zheng)分(fen)度(du)頭(tou)傾(qing)角(jiao)(jiao)(jiao),將(jiang)分(fen)度(du)頭(tou)扳(ban)起一(yi)個角(jiao)(jiao)(jiao)度(du),該角(jiao)(jiao)(jiao)度(du)等(deng)于錐齒(chi)(chi)(chi)輪根(gen)錐角(jiao)(jiao)(jiao)δf,用(yong)切(qie)痕法使銑刀(dao)廓形(xing) 的(de)對稱線對準(zhun)齒(chi)(chi)(chi)坯的(de)中(zhong)(zhong)心,調整(zheng)切(qie)削(xue)深度(du),以大端(duan)為基準(zhun),將(jiang)工作臺升高(gao)(gao)一(yi)個大端(duan)全齒(chi)(chi)(chi)高(gao)(gao)后,先(xian)銑齒(chi)(chi)(chi) 槽(cao)的(de)中(zhong)(zhong)部(bu),由于此時(shi)采(cai)用(yong)的(de)直齒(chi)(chi)(chi)錐齒(chi)(chi)(chi)輪成(cheng)形(xing)銑刀(dao)的(de)厚度(du)是按照略小(xiao)于錐齒(chi)(chi)(chi)輪小(xiao)端(duan)的(de)齒(chi)(chi)(chi)槽(cao)寬度(du)設計的(de), 所以齒(chi)(chi)(chi)槽(cao)中(zhong)(zhong)部(bu)銑好(hao)后,齒(chi)(chi)(chi)輪大端(duan)和(he)兩側面(mian)還(huan)有一(yi)定加工余量(liang),因此,還(huan)要(yao)對上(shang)述部(bu)位進行(xing)加工。
此時(shi), 將分度(du)頭(tou)底座在水(shui)平面(mian)(mian)旋(xuan)轉一(yi)個α角,使銑刀(dao)廓形(xing)對稱線和(he)齒(chi)坯軸線成一(yi)個角度(du),同時(shi)適(shi)當移動(dong)橫向(xiang) 工(gong)作臺(移動(dong)量可以(yi)通過試切來確定),先將齒(chi)槽一(yi)側的余量銑去(qu),然后再將分度(du)頭(tou)底座反向(xiang)旋(xuan) 轉2α角,橫向(xiang)工(gong)作臺也反向(xiang)移動(dong),銑削齒(chi)槽的另一(yi)側面(mian)(mian)余量。