假如(ru)數控車(che)床車(che)床溜板(ban)(ban)的行(xing)程小于3000mm,車(che)床溜板(ban)(ban)移動在(zai)(zai)(zai)水(shui)平(ping)面內(nei)直線(xian)度(du)差(cha)(cha)錯的檢(jian)(jian)查(cha)可用長圓(yuan)柱查(cha)驗(yan)棒(bang)檢(jian)(jian)查(cha)。在(zai)(zai)(zai)前后(hou)尖間,頂緊(jin)一根長圓(yuan)柱查(cha)驗(yan)棒(bang),將千分(fen)(fen)表(biao)固定(ding)在(zai)(zai)(zai)溜板(ban)(ban)上,使千分(fen)(fen)表(biao)測頭(tou)頂在(zai)(zai)(zai)查(cha)驗(yan)棒(bang)的側母線(xian)上。調整尾(wei)座,使千分(fen)(fen)表(biao)在(zai)(zai)(zai)查(cha)驗(yan)棒(bang)兩頭(tou)的讀數持平(ping)。移動溜板(ban)(ban),在(zai)(zai)(zai)溜板(ban)(ban)的悉(xi)數行(xing)程上檢(jian)(jian)查(cha)。千分(fen)(fen)表(biao)在(zai)(zai)(zai)1000mm行(xing)程上的讀數較大差(cha)(cha)值,即(ji)是代理(li)直線(xian)度(du)差(cha)(cha)錯。
檢查外(wai)圓(yuan)磨(mo)床機床作(zuo)(zuo)業(ye)(ye)臺(tai)(tai)移(yi)動在(zai)(zai)筆(bi)直(zhi)平(ping)面內的(de)直(zhi)線度差錯。在(zai)(zai)作(zuo)(zuo)業(ye)(ye)臺(tai)(tai)基(ji)地(di)(di)(di)放(fang)一個(ge)隨機床附帶的(de)橋(qiao)(qiao)(qiao)板,或克己的(de)專用橋(qiao)(qiao)(qiao)板(只用于(yu)斜臺(tai)(tai)面,平(ping)臺(tai)(tai)面不需用橋(qiao)(qiao)(qiao)板)。在(zai)(zai)橋(qiao)(qiao)(qiao)板基(ji)地(di)(di)(di)與作(zuo)(zuo)業(ye)(ye)臺(tai)(tai)移(yi)動的(de)方(fang)向平(ping)行(xing)放(fang)置一個(ge)水平(ping)儀(yi)。移(yi)動作(zuo)(zuo)業(ye)(ye)臺(tai)(tai),每隔250mm記載一次讀(du)數(shu)(短(duan)床身(shen)在(zai)(zai)較大磨(mo)削長度的(de)兩(liang)頭和基(ji)地(di)(di)(di)三個(ge)方(fang)位檢查),將水平(ping)儀(yi)讀(du)數(shu)順次擺放(fang),畫出作(zuo)(zuo)業(ye)(ye)臺(tai)(tai)的(de)運動曲(qu)(qu)線。天津市在(zai)(zai)1000mm長度上(shang)的(de)運動曲(qu)(qu)線至兩(liang)頭點(dian)連線間的(de)較大坐標值,即(ji)是1000mm長度上(shang)的(de)直(zhi)線度差錯。
天津,沈陽機床龍門(men)刨床、龍門(men)銑(xian)床、臥(wo)式銑(xian)鏜床等沈陽機床作業臺行(xing)(xing)程大于2000mm,進(jin)口臥(wo)式車(che)床、絲(si)杠車(che)床等溜板(ban)行(xing)(xing)程大于3000mm時,因(yin)為2000mm以上(shang)的(de)(de)平(ping)尺易(yi)于變形,并且2000mm以上(shang)的(de)(de)查(cha)(cha)驗棒在制造上(shang)也有(you)許多(duo)艱(jian)難,故應選用鋼(gang)絲(si)和顯微鏡(jing)等工具進(jin)行(xing)(xing)檢(jian)(jian)查(cha)(cha)。其(qi)檢(jian)(jian)查(cha)(cha)辦法(fa)與(yu)導軌(gui)直(zhi)(zhi)線(xian)度(du)差(cha)錯(cuo)的(de)(de)檢(jian)(jian)查(cha)(cha)辦法(fa)一樣,可參(can)見拉(la)鋼(gang)絲(si)檢(jian)(jian)查(cha)(cha)導軌(gui)在水(shui)平(ping)面(mian)內直(zhi)(zhi)線(xian)度(du)差(cha)錯(cuo)的(de)(de)檢(jian)(jian)查(cha)(cha)辦法(fa)。有(you)條件時亦可使用光(guang)學平(ping)直(zhi)(zhi)儀(yi)檢(jian)(jian)查(cha)(cha),將光(guang)學平(ping)直(zhi)(zhi)儀(yi)置于機床一端(duan),反射鏡(jing)置于溜板(ban)或作業臺面(mian)上(shang),在行(xing)(xing)程的(de)(de)兩個極(ji)限方(fang)位,調整平(ping)直(zhi)(zhi)儀(yi)及反射鏡(jing),使平(ping)行(xing)(xing)光(guang)管的(de)(de)亮十字像(xiang)同(tong)可動(dong)(dong)分劃板(ban)的(de)(de)準線(xian)重合(he)。作業臺每移動(dong)(dong)500mm,讀數一次并作好記載,將讀數順次擺放畫出作業臺的(de)(de)運動(dong)(dong)曲線(xian),再核算1000mm長(chang)度(du)上(shang)和行(xing)(xing)程全長(chang)上(shang)的(de)(de)差(cha)錯(cuo)值。
10年(nian)數控車床(chuang)老(lao)師傅分享的(de)(de)操作(zuo)(zuo)技(ji)巧(qiao)與(yu)(yu)心(xin)得:時間如逝,一(yi)轉眼操作(zuo)(zuo)沈陽數控機床(chuang)已有(you)十(shi)(shi)年(nian),十(shi)(shi)年(nian)的(de)(de)摸爬(pa)滾打讓我(wo)積累(lei)了數控車床(chuang)的(de)(de)一(yi)些加(jia)工(gong)技(ji)巧(qiao)與(yu)(yu)心(xin)得,與(yu)(yu)各位同(tong)仁交(jiao)流。因加(jia)工(gong)零(ling)(ling)件(jian)(jian)的(de)(de)更換頻繁(fan)及工(gong)廠條件(jian)(jian)受限,十(shi)(shi)年(nian)來我(wo)們都是自己編程(cheng)(cheng),自己對刀(dao),自己調(diao)試及完(wan)(wan)成(cheng)零(ling)(ling)件(jian)(jian)的(de)(de)加(jia)工(gong),總(zong)結起來操作(zuo)(zuo)技(ji)巧(qiao)分為以下幾(ji)點:零(ling)(ling)件(jian)(jian)在(zai)編完(wan)(wan)程(cheng)(cheng)序,對好刀(dao)后(hou)需要進(jin)行(xing)(xing)試切(qie)調(diao)試,為了防止程(cheng)(cheng)序上出(chu)現錯誤(wu)和對刀(dao)的(de)(de)失誤(wu),造成(cheng)撞(zhuang)機事故,我(wo)們應該先進(jin)行(xing)(xing)空行(xing)(xing)程(cheng)(cheng)模擬加(jia)工(gong),廠家在(zai)機床(chuang)的(de)(de)座標系里面對刀(dao)具向(xiang)右(you)整(zheng)(zheng)體平移零(ling)(ling)件(jian)(jian)總(zong)長的(de)(de)2——3倍(bei);然后(hou)開始(shi)模擬加(jia)工(gong),模擬加(jia)工(gong)完(wan)(wan)成(cheng)以后(hou)確(que)認(ren)程(cheng)(cheng)序及對刀(dao)無誤(wu),再(zai)(zai)開始(shi)對零(ling)(ling)件(jian)(jian)進(jin)行(xing)(xing)加(jia)工(gong),首件(jian)(jian)零(ling)(ling)件(jian)(jian)加(jia)工(gong)完(wan)(wan)成(cheng)后(hou),先自檢(jian),確(que)認(ren)合格(ge)(ge),再(zai)(zai)找專職檢(jian)驗檢(jian)查,專職檢(jian)驗確(que)認(ren)合格(ge)(ge)后(hou)這才表示調(diao)試結束。成(cheng)零(ling)(ling)件(jian)(jian)在(zai)首件(jian)(jian)試切(qie)完(wan)(wan)成(cheng)后(hou),就要進(jin)行(xing)(xing)成(cheng)批生產(chan)(chan),但(dan)首件(jian)(jian)的(de)(de)合格(ge)(ge)并(bing)不(bu) 等于整(zheng)(zheng)批零(ling)(ling)件(jian)(jian)就會(hui)(hui)合格(ge)(ge),因為在(zai)加(jia)工(gong)過程(cheng)(cheng)中(zhong),因加(jia)工(gong)材料的(de)(de)不(bu)同(tong)會(hui)(hui)使刀(dao)具產(chan)(chan)生
在(zai)(zai)(zai)實際進行切(qie)削加(jia)工時(shi)(shi),斜(xie)床(chuang)(chuang)(chuang)身(shen)數控(kong)(kong)車(che)床(chuang)(chuang)(chuang)擁有選配動力刀(dao)具(ju)功(gong)能(neng)以(yi)及(ji)8工位轉塔刀(dao)架(jia),所以(yi)它在(zai)(zai)(zai)不同(tong)產(chan)品的(de)加(jia)工中都可(ke)(ke)以(yi)發(fa)揮重要(yao)(yao)的(de)作用,特別(bie)是在(zai)(zai)(zai)復雜、高(gao)精度零件(jian)明顯具(ju)備其他產(chan)品不具(ju)備的(de)優勢。沈陽機床(chuang)(chuang)(chuang)價格自動化機床(chuang)(chuang)(chuang)斜(xie)床(chuang)(chuang)(chuang)身(shen)數控(kong)(kong)車(che)床(chuang)(chuang)(chuang)的(de)安(an)(an)裝(zhuang)1、斜(xie)床(chuang)(chuang)(chuang)身(shen)數控(kong)(kong)車(che)床(chuang)(chuang)(chuang)放在(zai)(zai)(zai)基礎之上,必須要(yao)(yao)在(zai)(zai)(zai)自由狀態下找平,并通過地(di)腳螺栓鎖緊(jin)。2、就沈陽普(pu)通機床(chuang)(chuang)(chuang)而(er)言,其水(shui)平儀讀(du)數不會高(gao)于0.04/1000mm,而(er)如果是高(gao)精度數控(kong)(kong)機床(chuang)(chuang)(chuang),水(shui)平儀也不會高(gao)于0.02/1000mm。在(zai)(zai)(zai)對安(an)(an)裝(zhuang)精度進行測(ce)量時(shi)(shi),我們(men)往往要(yao)(yao)在(zai)(zai)(zai)恒(heng)定(ding)的(de)溫度下進行,測(ce)量工具(ju)要(yao)(yao)經過一段時(shi)(shi)間定(ding)溫以(yi)后(hou)再使(shi)用。3、斜(xie)床(chuang)(chuang)(chuang)身(shen)數控(kong)(kong)車(che)床(chuang)(chuang)(chuang)在(zai)(zai)(zai)安(an)(an)裝(zhuang)時(shi)(shi),要(yao)(yao)盡可(ke)(ke)能(neng)地(di)減少數控(kong)(kong)機床(chuang)(chuang)(chuang)造(zao)成(cheng)(cheng)強(qiang)迫變形(xing)的(de)安(an)(an)裝(zhuang)方法。4、斜(xie)床(chuang)(chuang)(chuang)身(shen)數控(kong)(kong)車(che)床(chuang)(chuang)(chuang)安(an)(an)裝(zhuang)時(shi)(shi)不可(ke)(ke)以(yi)隨便地(di)把(ba)機床(chuang)(chuang)(chuang)的(de)某些部件(jian)拆(chai)下,廠(chang)家如果拆(chai)下了某些部件(jian),很有可(ke)(ke)能(neng)會造(zao)成(cheng)(cheng)數控(kong)(kong)車(che)床(chuang)(chuang)(chuang)內應力要(yao)(yao)再一次進行分配,從而(er)對機床(chuang)(chuang)(chuang)精度造(zao)成(cheng)(cheng)影(ying)響。