通常數(shu)控機床(chuang)反轉(zhuan)(zhuan)作(zuo)(zuo)業(ye)臺(tai)(tai)是(shi)銑(xian)床(chuang)的(de)(de)附件,分(fen)(fen)(fen)度精度較低,故可(ke)選(xuan)用八(ba)方(fang)檢(jian)(jian)具(ju)(ju)(ju)進行檢(jian)(jian)查。八(ba)方(fang)檢(jian)(jian)具(ju)(ju)(ju)的(de)(de)外(wai)接圓(yuan)(yuan)直徑為250mm。在(zai)作(zuo)(zuo)業(ye)臺(tai)(tai)錐孔中嚴密刺進八(ba)方(fang)檢(jian)(jian)具(ju)(ju)(ju)的(de)(de)定位心軸,以確保(bao)作(zuo)(zuo)業(ye)臺(tai)(tai)反轉(zhuan)(zhuan)基地(di)與八(ba)方(fang)檢(jian)(jian)具(ju)(ju)(ju)外(wai)接圓(yuan)(yuan)基地(di)重合。將被(bei)檢(jian)(jian)作(zuo)(zuo)業(ye)臺(tai)(tai)固定于(yu)查驗平板上,將千(qian)(qian)(qian)分(fen)(fen)(fen)表(biao)(biao)底(di)座上的(de)(de)凸緣靠緊在(zai)查驗平板上導向(xiang)槽(cao)(cao)的(de)(de)旁邊(bian)面沒有導向(xiang)槽(cao)(cao)的(de)(de)可(ke)用平尺替代),使千(qian)(qian)(qian)分(fen)(fen)(fen)表(biao)(biao)測頭頂在(zai)八(ba)方(fang)檢(jian)(jian)具(ju)(ju)(ju)的(de)(de)一(yi)邊(bian)上,沿導向(xiang)槽(cao)(cao)移動千(qian)(qian)(qian)分(fen)(fen)(fen)表(biao)(biao)座,使千(qian)(qian)(qian)分(fen)(fen)(fen)表(biao)(biao)在(zai)兩處的(de)(de)讀數(shu)一(yi)樣(靠滾動蝸(gua)桿手柄(bing)來調整)。然后廠(chang)家(jia)將作(zuo)(zuo)業(ye)臺(tai)(tai)轉(zhuan)(zhuan)過45°(即360°/8),千(qian)(qian)(qian)分(fen)(fen)(fen)表(biao)(biao)在(zai)另一(yi)邊(bian)的(de)(de)悉(xi)數(shu)長度上檢(jian)(jian)查,順(shun)次檢(jian)(jian)查各邊(bian)。千(qian)(qian)(qian)分(fen)(fen)(fen)表(biao)(biao)在(zai)恣意一(yi)邊(bian)兩頭讀數(shu)的(de)(de)較大(da)差值即是(shi)分(fen)(fen)(fen)度差錯。
對于縱(zong)切機床電力系統的(de)(de)(de)維護(hu),廠家首先要(yao)(yao)做的(de)(de)(de)就是(shi)使得數控加(jia)工中(zhong)(zhong)心的(de)(de)(de)操(cao)(cao)作(zuo)(zuo)(zuo)規程正確的(de)(de)(de)執行(xing)下去,對于操(cao)(cao)作(zuo)(zuo)(zuo)人員要(yao)(yao)經過專業的(de)(de)(de)訓(xun)練(lian)(lian),保證這(zhe)些操(cao)(cao)作(zuo)(zuo)(zuo)人員在日(ri)常的(de)(de)(de)生(sheng)產中(zhong)(zhong)嚴格按照操(cao)(cao)作(zuo)(zuo)(zuo)規程來進行(xing)操(cao)(cao)作(zuo)(zuo)(zuo),同(tong)時(shi)提高操(cao)(cao)作(zuo)(zuo)(zuo)人員的(de)(de)(de)操(cao)(cao)作(zuo)(zuo)(zuo)水(shui)平也能較大程度上減少(shao)故障的(de)(de)(de)發生(sheng)。在操(cao)(cao)作(zuo)(zuo)(zuo)人員的(de)(de)(de)訓(xun)練(lian)(lian)中(zhong)(zhong),還要(yao)(yao)講到(dao)發生(sheng)故障時(shi)的(de)(de)(de)情(qing)況(kuang),告知操(cao)(cao)作(zuo)(zuo)(zuo)人員遇(yu)到(dao)這(zhe)種情(qing)況(kuang)不(bu)要(yao)(yao)慌張(zhang),可(ke)以馬上去找設備(bei)維修人員來排除故障。
東(dong)北橫梁(liang)(liang)(liang)移(yi)動(dong)(dong)(dong)時(shi)傾斜度差錯的檢(jian)查辦法(fa),在(zai)橫梁(liang)(liang)(liang)導軌的基地方位,平行于橫梁(liang)(liang)(liang)放置一個水(shui)平儀。移(yi)動(dong)(dong)(dong)橫梁(liang)(liang)(liang),每隔500mm(或(huo)小于500mm)記載(zai)一次讀(du)數(shu)(shu)(shu),在(zai)橫梁(liang)(liang)(liang)悉數(shu)(shu)(shu)行程上(shang)至少記載(zai)3個讀(du)數(shu)(shu)(shu)。在(zai)橫梁(liang)(liang)(liang)悉數(shu)(shu)(shu)行程上(shang)檢(jian)查時(shi),兩筆直刀架(或(huo)銑(xian)頭(tou))應移(yi)到橫梁(liang)(liang)(liang)上(shang)相(xiang)對稱的方位。而橫梁(liang)(liang)(liang)的移(yi)動(dong)(dong)(dong)方向,只能由下(xia)往上(shang),不能往復。這種辦法(fa)多用于龍門刨(bao)床、數(shu)(shu)(shu)控銑(xian)床、立式車床等橫梁(liang)(liang)(liang)移(yi)動(dong)(dong)(dong)時(shi)的傾斜度差錯的檢(jian)查。
用(yong)(yong)(yong)精(jing)細水平(ping)轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)縱切機(ji)床(chuang)比照(zhao)檢查反(fan)轉(zhuan)(zhuan)(zhuan)(zhuan)作業(ye)臺(tai)(tai)(tai)(tai)分度差(cha)錯雖不(bu)及用(yong)(yong)(yong)經(jing)緯(wei)儀丈量準確,卻比用(yong)(yong)(yong)經(jing)緯(wei)儀便利,操作簡略,功率較高(gao)。其辦法(fa):將精(jing)細轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)置于平(ping)板上(shang)或機(ji)床(chuang)作業(ye)臺(tai)(tai)(tai)(tai)上(shang),用(yong)(yong)(yong)水平(ping)儀檢查,使廠家轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)處于水平(ping)狀況。將被檢的(de)(de)反(fan)轉(zhuan)(zhuan)(zhuan)(zhuan)作業(ye)臺(tai)(tai)(tai)(tai)疊放(fang)在精(jing)細轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)上(shang),用(yong)(yong)(yong)千(qian)分表找正兩轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)作業(ye)面的(de)(de)彼此平(ping)行度(不(bu)平(ping)行時用(yong)(yong)(yong)墊(dian)塊墊(dian)平(ping)),并使兩轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)定位孔反(fan)轉(zhuan)(zhuan)(zhuan)(zhuan)基地(di)線重合(he),用(yong)(yong)(yong)螺釘固定兩個轉(zhuan)(zhuan)(zhuan)(zhuan)臺(tai)(tai)(tai)(tai)連成(cheng)一體。
1、在(zai)使用(yong)(yong)前,數(shu)控(kong)車床斜床身(shen)數(shu)控(kong)車床要先(xian)通(tong)過幾何精(jing)度檢驗合(he)格,然(ran)后再清(qing)理整機。具體(ti)地,就是要利用(yong)(yong)含有清(qing)洗劑的棉(mian)布(bu)或綢布(bu)來(lai)清(qing)洗,這一階段不(bu)得使用(yong)(yong)棉(mian)紗或紗布(bu),以免(mian)出(chu)現機器卡阻現象,也就是說要把斜床身(shen)數(shu)控(kong)車床在(zai)出(chu)廠時為保護導(dao)軌面(mian)和加工面(mian)而涂上的防銹(xiu)油或防銹(xiu)漆清(qing)洗掉,同時洗干凈外表面(mian)的灰塵。與此同時,廠家在(zai)各滑(hua)動面(mian)及工作面(mian)涂上廠家指定的潤滑(hua)油。