落luo地di鏜tang銑xi床chuang加jia工gong是shi為wei了le擴kuo大da現xian有you孔kong的de孔kong徑jing和he處chu理li方fang法fa，提ti高gao鏜tang床chuang的de質zhi量liang。隨sui著zhe鑽zuan井jing機ji相xiang比bi
，掘jue進jin機ji可ke加jia工gong直zhi徑jing較jiao大da的de孔kong，孔kong的de準zhun確que度du和he精jing密mi度du高gao

，與yu同tong軸zhou度du、直線度、孔的軸線平行度和孔距高。

　　落地鏜銑床加工主要是刀具旋轉運動、工件和工作台運動（或鏜孔移動）jingeiyundongdepipei，jianshaoshengyujinshucengdejiagongfangfa。zhekeyiyouxiaodifangzhigongjianjiagongshixuanzhuanyundongdequexian。liru，yixiedadexingzhuanghechicunfeichangxiao
，bunenggaosuqiexue。gongjianshangdekongshibuduichengde

，gongjianxuanzhuan，huichuxianbupinghengdewenti。

　　落(luo)地(di)鏜(tang)銑(xi)床(chuang)的(de)適(shi)應(ying)性(xing)強(qiang)，是(shi)因(yin)為(wei)鏜(tang)床(chuang)加(jia)工(gong)的(de)各(ge)種(zhong)零(ling)件(jian)可(ke)以(yi)進(jin)行(xing)進(jin)給(gei)運(yun)動(dong)和(he)多(duo)功(gong)能(neng)加(jia)工(gong)。但(dan)在(zai)鏜(tang)削(xue)工(gong)具(ju)與(yu)工(gong)件(jian)孔(kong)外(wai)有(you)衝(chong)突(tu)，鏜(tang)杆(gan)懸(xuan)浮(fu)，因(yin)此(ci)切(qie)削(xue)條(tiao)件(jian)差(cha)，振(zhen)動(dong)簡(jian)單(dan)。鏜(tang)床(chuang)加(jia)工(gong)大(da)孔(kong)大(da)麵(mian)積(ji)的(de)結(jie)構(gou)
、箱體、支架和回轉體
，孔的精度和一係列孔的加工精度。當它是無聊的，其精度可達IT8尺度~ IT6，精度可達到0.015毫米，表麵粗糙度可達到1.8 ~ 1.6米

，但無聊處理牛產值不高，工人的技術水平要求高。無聊和削減的技巧如下。

　　tangxuedeyoudianshijiegoujiandan
，shiyongfangbian，maopibanjingjiagonghejingjiagongkeyiwanchengtangxueyukongzhijingbuyiyangdejiagong。fangweijiaojingdu。wuliaobujinnenggoubaozhengdankongchidudejingduhexingzhuang
，erqiebaozhengxiangganghekongjingduzhijiandexiangduifangwei
，zuanjingguochengzhongcunzaimeiyouyoushi，jiaolianhejiaolian。nenggaizhengcuowudedong。youyushiyonglecucaodezuanjingzhouwuchahejiaoxiaodefangweiwucha，keyishiyongtangxuexiaozhenglaibaozhengluoditangxichuangjiagongdezhiliang。weilejianshaobianxinghefangzhizhendang，tangkongqiegeyibandouhenxiao
，suoyishengchanlvxiangduijiaodi。