東莞市銳鑫機電有限公司
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B棟401
具體參數
拖泵銑齒方法和(he)工藝(yi)過程
在(zai)普通臥(wo)式(shi)銑床(chuang)上(shang),采(cai)用(yong)帶有(you)(you)轉(zhuan)盤的分度(du)(du)頭(tou)(tou)進行(xing)分度(du)(du)。具體方法是想將(jiang)(jiang)齒(chi)(chi)坯(pi)(pi)固(gu)定(ding)(ding)在(zai)分度(du)(du)頭(tou)(tou)上(shang),見 調整分度(du)(du)頭(tou)(tou)傾(qing)角,將(jiang)(jiang)分度(du)(du)頭(tou)(tou)扳起一(yi)個(ge)角度(du)(du),該角度(du)(du)等于錐齒(chi)(chi)輪(lun)根錐角δf,用(yong)切痕法使銑刀廓形 的對稱線對準齒(chi)(chi)坯(pi)(pi)的中(zhong)心(xin),調整切削深(shen)度(du)(du),以大端(duan)為基準,將(jiang)(jiang)工作臺升高一(yi)個(ge)大端(duan)全齒(chi)(chi)高后(hou),先銑齒(chi)(chi) 槽的中(zhong)部,由于此時采(cai)用(yong)的直齒(chi)(chi)錐齒(chi)(chi)輪(lun)成形銑刀的厚度(du)(du)是按照略小于錐齒(chi)(chi)輪(lun)小端(duan)的齒(chi)(chi)槽寬(kuan)度(du)(du)設計(ji)的, 所(suo)以齒(chi)(chi)槽中(zhong)部銑好后(hou),齒(chi)(chi)輪(lun)大端(duan)和兩側面還有(you)(you)一(yi)定(ding)(ding)加工余量,因(yin)此,還要對上(shang)述(shu)部位進行(xing)加工。
此(ci)時(shi), 將(jiang)分度頭底(di)座在水平面(mian)旋(xuan)轉一個α角(jiao),使銑刀廓形(xing)對稱線和(he)齒(chi)(chi)坯軸線成一個角(jiao)度,同時(shi)適當移動橫向(xiang)(xiang) 工(gong)作臺(移動量可(ke)以通過試切來(lai)確(que)定),先將(jiang)齒(chi)(chi)槽一側的(de)余量銑去(qu),然后再將(jiang)分度頭底(di)座反(fan)向(xiang)(xiang)旋(xuan) 轉2α角(jiao),橫向(xiang)(xiang)工(gong)作臺也反(fan)向(xiang)(xiang)移動,銑削齒(chi)(chi)槽的(de)另一側面(mian)余量。