坐(zuo)標(biao)鏜(tang)床的(de)(de)(de)(de)定(ding)位(wei)(wei)精(jing)(jing)度(du)需求是比較(jiao)高的(de)(de)(de)(de)，所以沈(shen)陽車床進(jin)口要檢查作(zuo)(zuo)業(ye)臺(tai)或主軸箱在(zai)移(yi)動坐(zuo)標(biao)定(ding)位(wei)(wei)后的(de)(de)(de)(de)定(ding)位(wei)(wei)差錯(cuo)。國產(chan)各式坐(zuo)標(biao)鏜(tang)床的(de)(de)(de)(de)定(ding)位(wei)(wei)體系(xi)有光學體系(xi)（即絲杠(gang)和校對(dui)尺(chi)(chi)）。選用的(de)(de)(de)(de)定(ding)位(wei)(wei)體系(xi)雖不一(yi)(yi)樣(yang)，但定(ding)位(wei)(wei)差錯(cuo)的(de)(de)(de)(de)丈量辦法是一(yi)(yi)樣(yang)的(de)(de)(de)(de)。在(zai)機床臺(tai)上，沿縱向(xiang)移(yi)動方向(xiang)放置一(yi)(yi)個精(jing)(jing)細的(de)(de)(de)(de)刻(ke)(ke)線(xian)(xian)尺(chi)(chi)（刻(ke)(ke)線(xian)(xian)尺(chi)(chi)的(de)(de)(de)(de)刻(ke)(ke)線(xian)(xian)精(jing)(jing)度(du)應帶差錯(cuo)檢定(ding)表，檢定(ding)精(jing)(jing)度(du)在(zai)0.0005mm以內），刻(ke)(ke)線(xian)(xian)尺(chi)(chi)放在(zai)作(zuo)(zuo)業(ye)臺(tai)的(de)(de)(de)(de)基地，高度(du)應在(zai)作(zuo)(zuo)業(ye)臺(tai)面至筆(bi)直主軸端面較(jiao)大間隔(ge)的(de)(de)(de)(de)l/3~l/2處。將讀(du)數(shu)顯微鏡(jing)（其讀(du)數(shu)精(jing)(jing)度(du)為(wei)0.001~0.002mm）固定(ding)在(zai)主軸套筒(tong)上，使顯微鏡(jing)能明晰地觀察到刻(ke)(ke)線(xian)(xian)尺(chi)(chi)上的(de)(de)(de)(de)刻(ke)(ke)線(xian)(xian)，對(dui)作(zuo)(zuo)業(ye)臺(tai)在(zai)規(gui)則長度(du)上的(de)(de)(de)(de)移(yi)動進(jin)行檢查（通常規(gui)則每移(yi)動l0mm讀(du)數(shu)一(yi)(yi)次(ci)）。在(zai)讀(du)數(shu)時，作(zuo)(zuo)業(ye)臺(tai)應夾緊(jin)。定(ding)位(wei)(wei)差錯(cuo)是恣意兩次(ci)定(ding)位(wei)(wei)時讀(du)數(shu)的(de)(de)(de)(de)實踐差值(zhi)的(de)(de)(de)(de)大代數(shu)差。

用光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)作比照(zhao)檢(jian)查時(shi)，將一根(gen)兩(liang)頭(tou)(tou)帶莫(mo)氏錐(zhui)度(du)(du)(du)(du)的查驗(yan)棒(bang)，一端刺進(jin)光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)主軸(zhou)(zhou)錐(zhui)孔中嚴密配合(he)，另一端嚴密地刺進(jin)被(bei)(bei)檢(jian)分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)主軸(zhou)(zhou)錐(zhui)孔中，使兩(liang)個分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)連(lian)成一體。被(bei)(bei)檢(jian)分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)與光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)主軸(zhou)(zhou)基(ji)地不等高時(shi)應調整(zheng)墊平。脫開光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)的手搖分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)組(zu)織(zhi)，滾動(dong)被(bei)(bei)檢(jian)分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)的手柄(bing)，北京進(jin)口車床使被(bei)(bei)檢(jian)分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)滾動(dong)，一起經過(guo)查驗(yan)棒(bang)可股動(dong)光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)滾動(dong)。當被(bei)(bei)檢(jian)分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)斷定在(zai)開始方位時(shi)，記(ji)下(xia)光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)滾動(dong)。當被(bei)(bei)檢(jian)分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)斷定在(zai)開始方位時(shi)，記(ji)下(xia)光(guang)學分(fen)(fen)(fen)(fen)(fen)度(du)(du)(du)(du)頭(tou)(tou)開始方位的讀數值。

上一(yi)年(nian)機(ji)床(chuang)職(zhi)業出口同(tong)比增加22.1%，出口總額達116.3億美元，與(yu)2013年(nian)比較有(you)(you)小幅增加。在總結(jie)2014年(nian)職(zhi)業運轉狀況(kuang)時得(de)出判別(bie)，職(zhi)業主體仍未走(zou)出下(xia)行區間(jian)，但起伏趨(qu)緩。估(gu)計(ji)2015年(nian)機(ji)床(chuang)東(dong)西(xi)職(zhi)業下(xia)行壓力大，國產(chan)機(ji)床(chuang)銷售額有(you)(you)望與(yu)2014年(nian)相(xiang)等，調整產(chan)業結(jie)構，擴展中高端產(chan)品(pin)線仍是本(ben)年(nian)公(gong)司開展的重要課題。沈陽機(ji)床(chuang)銷售。

沈陽機(ji)床(chuang)起動(dong)前準備 1、工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)必須夾牢在(zai)夾具(ju)或(huo)工(gong)(gong)(gong)(gong)(gong)作(zuo)臺上(shang)，夾裝(zhuang)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)的(de)(de)(de)壓板(ban)不得長出工(gong)(gong)(gong)(gong)(gong)作(zuo)臺，在(zai)機(ji)床(chuang)大(da)(da)行程內不準站(zhan)人(ren)(ren)(ren)。刀(dao)具(ju)不得伸出過(guo)(guo)長，應(ying)(ying)裝(zhuang)夾牢靠。2、校正工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)時(shi)，嚴禁(jin)用(yong)金屬物猛敲或(huo)用(yong)刀(dao)架推頂(ding)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)。3、工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)寬度(du)超出單臂刨床(chuang)加工(gong)(gong)(gong)(gong)(gong)寬度(du)時(shi)，其(qi)重心對(dui)工(gong)(gong)(gong)(gong)(gong)作(zuo)臺重心的(de)(de)(de)偏移(yi)量不應(ying)(ying)大(da)(da)于工(gong)(gong)(gong)(gong)(gong)作(zuo)臺寬度(du)的(de)(de)(de)四分之(zhi)一。 4、調(diao)(diao)整沖(chong)程應(ying)(ying)使刀(dao)具(ju)不接觸工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)，用(yong)手柄搖動(dong)進(jin)行全行程試驗，滑枕調(diao)(diao)整后應(ying)(ying)鎖(suo)緊并隨時(shi)取下搖手柄，以免落下傷(shang)人(ren)(ren)(ren)。5、龍(long)門刨床(chuang)的(de)(de)(de)床(chuang)面或(huo)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)伸出過(guo)(guo)長時(shi)，應(ying)(ying)設防護(hu)欄桿，在(zai)欄桿內禁(jin)止通過(guo)(guo)行人(ren)(ren)(ren)或(huo)堆碼物品。6、龍(long)門刨床(chuang)在(zai)刨削大(da)(da)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)前，應(ying)(ying)先檢(jian)查(cha)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)與龍(long)門柱、刀(dao)架間的(de)(de)(de)預留(liu)空隙，并檢(jian)查(cha)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)高(gao)度(du)限(xian)位(wei)器安裝(zhuang)是否(fou)正確牢固。7、龍(long)門刨的(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)作(zuo)臺面和床(chuang)面及(ji)刀(dao)架上(shang)禁(jin)止站(zhan)人(ren)(ren)(ren)、存放(fang)工(gong)(gong)(gong)(gong)(gong)具(ju)和其(qi)它(ta)物品。操作(zuo)人(ren)(ren)(ren)員不得跨越臺面。8、作(zuo)用(yong)于牛頭(tou)刨床(chuang)手柄上(shang)的(de)(de)(de)力(li)，在(zai)工(gong)(gong)(gong)(gong)(gong)作(zuo)臺水平移(yi)動(dong)時(shi)，不應(ying)(ying)超過(guo)(guo)8kg，上(shang)下移(yi)動(dong)時(shi)，不應(ying)(ying)超過(guo)(guo)10kg。9、工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)裝(zhuang)卸、翻身時(shi)應(ying)(ying)注意銳邊、毛刺(ci)割手。

數控車床溜板移動在筆直(zhi)(zhi)平(ping)面(mian)內直(zhi)(zhi)線(xian)(xian)(xian)(xian)度(du)差(cha)錯(cuo)檢查：搖(yao)擺手柄，將如架(jia)向基地線(xian)(xian)(xian)(xian)移動，在溜板上(shang)接(jie)近(jin)刀架(jia)的(de)當(dang)地和床身(shen)導軌平(ping)等(deng)地放一個水(shui)平(ping)儀(yi)。溜板移至近(jin)主軸箱處，記載一次(ci)水(shui)平(ping)儀(yi)讀數，今后進(jin)口溜板向尾(wei)座方向每移動500mm（或小于500mm）記載一次(ci)讀數，在溜板的(de)悉數行程(cheng)上(shang)記載不(bu)少于四次(ci)。將水(shui)平(ping)儀(yi)的(de)讀數，順次(ci)擺放，畫出溜板的(de)運(yun)動曲線(xian)(xian)(xian)(xian)。在溜板每移動1000mm行程(cheng)上(shang)的(de)運(yun)動曲線(xian)(xian)(xian)(xian)至它的(de)兩頭點連線(xian)(xian)(xian)(xian)間的(de)較大坐(zuo)標(biao)值，即(ji)是1000mm行程(cheng)上(shang)的(de)直(zhi)(zhi)線(xian)(xian)(xian)(xian)度(du)差(cha)錯(cuo)。連接(jie)悉數行程(cheng)運(yun)動曲線(xian)(xian)(xian)(xian)的(de)兩頭點連線(xian)(xian)(xian)(xian)，運(yun)動曲線(xian)(xian)(xian)(xian)至該連線(xian)(xian)(xian)(xian)的(de)較大坐(zuo)標(biao)值，即(ji)是悉數行程(cheng)上(shang)的(de)直(zhi)(zhi)線(xian)(xian)(xian)(xian)度(du)差(cha)錯(cuo)。

通常河(he)北反(fan)(fan)轉(zhuan)作(zuo)(zuo)業臺是銑床的(de)附件，自動化車(che)床分(fen)度(du)(du)精度(du)(du)較(jiao)低，故可選(xuan)用八(ba)方(fang)(fang)檢(jian)具(ju)進行檢(jian)查。八(ba)方(fang)(fang)檢(jian)具(ju)的(de)外(wai)接(jie)圓(yuan)直徑(jing)250mm。在(zai)(zai)(zai)(zai)(zai)作(zuo)(zuo)業臺錐(zhui)孔中嚴密(mi)刺進八(ba)方(fang)(fang)檢(jian)具(ju)的(de)定(ding)位(wei)心(xin)軸，以確保作(zuo)(zuo)業臺反(fan)(fan)轉(zhuan)基(ji)(ji)地與八(ba)方(fang)(fang)檢(jian)具(ju)外(wai)接(jie)圓(yuan)基(ji)(ji)地重合。 將(jiang)被檢(jian)作(zuo)(zuo)業臺固(gu)定(ding)于查驗平(ping)板(ban)上(shang)，將(jiang)千(qian)(qian)分(fen)表(biao)(biao)底座(zuo)上(shang)的(de)凸緣靠緊在(zai)(zai)(zai)(zai)(zai)查驗平(ping)板(ban)上(shang)導向(xiang)(xiang)槽的(de)旁邊(bian)(bian)面(mian)沒有導向(xiang)(xiang)槽的(de)可用平(ping)尺(chi)替代(dai))，使千(qian)(qian)分(fen)表(biao)(biao)測頭(tou)頂在(zai)(zai)(zai)(zai)(zai)八(ba)方(fang)(fang)檢(jian)具(ju)的(de)一邊(bian)(bian)上(shang)，沿導向(xiang)(xiang)槽移動千(qian)(qian)分(fen)表(biao)(biao)座(zuo)，使千(qian)(qian)分(fen)表(biao)(biao)在(zai)(zai)(zai)(zai)(zai)兩處的(de)讀(du)數一樣（靠滾動蝸桿手柄來(lai)調整）。然后將(jiang)作(zuo)(zuo)業臺轉(zhuan)過(guo)45°（即(ji)360°/8），千(qian)(qian)分(fen)表(biao)(biao)在(zai)(zai)(zai)(zai)(zai)另一邊(bian)(bian)的(de)悉數長(chang)度(du)(du)上(shang)檢(jian)查，順次檢(jian)查各邊(bian)(bian)。千(qian)(qian)分(fen)表(biao)(biao)在(zai)(zai)(zai)(zai)(zai)恣意(yi)一邊(bian)(bian)兩頭(tou)讀(du)數的(de)較(jiao)大差(cha)值即(ji)是分(fen)度(du)(du)差(cha)錯。