廣西滑枕銑床是一種(zhong)(zhong)用(yong)途(tu)十分廣泛的機床，主要用(yong)于(yu)各種(zhong)(zhong)復雜的平面、曲面和殼(ke)體類(lei)零(ling)(ling)件(jian)的加(jia)(jia)(jia)工(gong)(gong)，例如，各類(lei)凸輪(lun)、模具、連桿、葉片、螺(luo)旋槳和箱(xiang)體等零(ling)(ling)件(jian)的銑削加(jia)(jia)(jia)工(gong)(gong)，同時還可(ke)以進行鉆、擴、德、鉸(jiao)、攻(gong)螺(luo)紋、撞孔(kong)等加(jia)(jia)(jia)工(gong)(gong)·對于(yu)加(jia)(jia)(jia)工(gong)(gong)箱(xiang)體、型腔、模具等零(ling)(ling)件(jian)，同規(gui)格的數控銑床和加(jia)(jia)(jia)工(gong)(gong)中(zhong)心(xin)均能滿足(zu)基本加(jia)(jia)(jia)工(gong)(gong)要求，但兩種(zhong)(zhong)機床的價格相差甚遠.所以，在上述零(ling)(ling)件(jian)的加(jia)(jia)(jia)工(gong)(gong)中(zhong)，只有需要非常(chang)頻(pin)繁地更換刀具的工(gong)(gong)藝(yi)才選用(yong)加(jia)(jia)(jia)工(gong)(gong)中(zhong)心(xin)，固定一把刀具長(chang)時間銑削的，選用(yong)數控銑床. 數控銑床的主要加(jia)(jia)(jia)工(gong)(gong)對象有以下幾種(zhong)(zhong).

    (1)平面類(lei)零件

    加工(gong)面(mian)(mian)(mian)(mian)(mian)垂直于水平(ping)(ping)面(mian)(mian)(mian)(mian)(mian)或其(qi)加工(gong)面(mian)(mian)(mian)(mian)(mian)與水平(ping)(ping)面(mian)(mian)(mian)(mian)(mian)的夾(jia)角為定角的零件稱為平(ping)(ping)面(mian)(mian)(mian)(mian)(mian)類零件。其(qi)特點(dian)是(shi)各個加工(gong)單元面(mian)(mian)(mian)(mian)(mian)是(shi)平(ping)(ping)行面(mian)(mian)(mian)(mian)(mian)或可以(yi)展開為平(ping)(ping)面(mian)(mian)(mian)(mian)(mian)。數控銑床(chuang)加工(gong)的絕大多數零件屬于平(ping)(ping)面(mian)(mian)(mian)(mian)(mian)類零件。

    (2)曲(qu)面類零(ling)件(jian)

    加(jia)工(gong)面為(wei)(wei)空間曲(qu)面的(de)零件(jian)稱(cheng)為(wei)(wei)曲(qu)面零件(jian)，又稱(cheng)為(wei)(wei)立體類零件(jian)·其特點是加(jia)干(gan)面不能展開為(wei)(wei)平(ping)面，加(jia)工(gong)面始終(zhong)與銑刀點接觸.加(jia)工(gong)曲(qu)面類零件(jian)的(de)數控銑床一般采用三坐標數控銑床。

    (3)變斜角類零件

    加(jia)(jia)工(gong)(gong)面與水(shui)平面的夾角(jiao)呈連(lian)續(xu)變化的零耀(yao)變斜(xie)角(jiao)類零再，這類零件多。為(wei)飛機零件.其私(si)是加(jia)(jia)工(gong)(gong)面不(bu)能展開為(wei)平面·但在加(jia)(jia)工(gong)(gong)電(dian)加(jia)(jia)工(gong)(gong)面與銑刀圓周接觸的瞬間為(wei)一條(tiao)直線。加(jia)(jia)工(gong)(gong)這好件最好采用四坐標(biao)或五坐標(biao)數控銑床(chuang)擺(bai)角(jiao)加(jia)(jia)工(gong)(gong)，如果沒有上述機床(chuang)，也可以使用三坐標(biao)數控銑床(chuang)的兩軸半坐標(biao)近似(si)加(jia)(jia)工(gong)(gong)。

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