車(che)銑復合(he)機床具(ju)有(you)高(gao)精(jing)度(du)、高(gao)剛性、重(zhong)載(zai)套筒(tong)和簡(jian)單(dan)主軸,采用(yong)整體式(shi)套筒(tong)主軸,主軸伺(si)服(fu)電(dian)機驅(qu)動(dong),實(shi)現(xian)高(gao)精(jing)度(du)、高(gao)剛性和(he)速(su)度(du)穩(wen)定性(xing)。車(che)床床身剛性好(hao),操(cao)作(zuo)方便,排(pai)屑(xie)方(fang)便(bian),床身傾(qing)斜(xie)30°或(huo)45°。采用(yong)鑄(zhu)鐵(tie)樹(shu)脂砂造(zao)型(xing),肋(lei)板結構緊湊(cou),剛性好(hao),抗(kang)震能力(li)強,高(gao)剛性,高(gao)精(jing)度(du)高(gao)速(su)直線(xian)滑(hua)軌(gui),精(jing)密滾(gun)珠(zhu)絲(si)桿,X/Z軸采用(yong)伺(si)服(fu)電(dian)機直連(lian)精(jing)密預(yu)拉(la)伸(shen)滾(gun)珠(zhu)絲(si)杠通(tong)過(guo)彈性(xing)聯軸器,采用(yong)高(gao)剛性、高(gao)精(jing)度(du)的直線(xian)導軌(gui),配備(bei)電(dian)腦自(zi)動(dong)潤滑(hua)系(xi)統(tong),對(dui)直線(xian)導軌(gui)和滾(gun)珠(zhu)絲(si)杠進(jin)行(xing)強制潤滑(hua)。
車(che)銑復合(he)機床采用(yong)美(mei)觀(guan)全(quan)封(feng)閉保(bao)護,防(fang)水(shui)性能好(hao),活(huo)動門開啟(qi)方便,並(bing)配(pei)有安(an)全聯(lian)鎖裝置(zhi)。根(gen)據控(kong)制運(yun)動(dong)的軌(gui)跡,數(shu)控機床輪(lun)廓(kuo)控(kong)制的輪(lun)廓(kuo)控(kong)制可以(yi)同(tong)時由2個或(huo)2個(ge)以(yi)上(shang)坐(zuo)標軸控制。它不(bu)僅(jin)可以(yi)控(kong)制機床運(yun)動(dong)部件的起(qi)點和(he)終(zhong)點坐(zuo)標值(zhi),還(hai)可以(yi)控(kong)制整個(ge)加工(gong)過程(cheng)中(zhong)各點(dian)的速(su)度(du)和(he)位移。其(qi)數(shu)控安(an)裝通(tong)用(yong)要求具有(you)直線(xian)和(he)圓(yuan)弧插補(bu)、主軸轉速(su)控(kong)制及完(wan)備(bei)的輔(fu)助(zhu)功能(neng)。
車銑復合(he)機床用(yong)於加工(gong)曲面(mian)、凸(tu)輪(lun)、刀(dao)片等形狀(zhuang)復雜(za)的零(ling)件。常(chang)用(yong)的輪(lun)廓(kuo)控(kong)制數控(kong)機床有(you)數(shu)控銑床、數(shu)控(kong)車床、數(shu)控(kong)磨床、加工(gong)中心(xin)等點控數(shu)控機床。數(shu)控(kong)機床只(zhi)需(xu)獲取加工(gong)坐標點(dian)的位(wei)置,因為數控機床只(zhi)有(you)在刀(dao)具或(huo)工(gong)件到達(da)該(gai)位置(zhi)後(hou)才(cai)開始加工(gong)。運(yun)動(dong)過程(cheng)中加工(gong)不(bu)停(ting)止(zhi),因此(ci)從(cong)壹個位(wei)置移動(dong)到(dao)另壹個位(wei)置的運(yun)動(dong)軌(gui)跡不(bu)需(xu)要嚴(yan)格控(kong)制,采用(yong)點位(wei)控(kong)制和直線(xian)控(kong)制。數控(kong)機床的線(xian)性(xing)控制也稱為並行控(kong)制。其特(te)點(dian)是除控(kong)制位移的終(zhong)點位(wei)置(zhi)外(wai),還(hai)可完成(cheng)平(ping)行(xing)坐(zuo)標軸的直線(xian)切(qie)削(xue),設定直線(xian)切(qie)削(xue)的進(jin)給速(su)度(du),其(qi)運(yun)動(dong)軌(gui)跡與(yu)機床坐(zuo)標平(ping)行(xing),即,只(zhi)能同(tong)時控(kong)制壹個坐(zuo)標軸。壹般只(zhi)能加工(gong)矩(ju)形(xing)、階(jie)梯(ti)等直線(xian)型(xing)輪(lun)廓(kuo)零(ling)件。