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1、http://www.tahsft.com/http://www.tajthg.cn/數(shù)控機(jī)床精度檢測分析 論文關(guān)鍵詞:數(shù)控機(jī)床;幾何精度;定位精度;切削精度;檢測與注意事項(xiàng)Keywords:CNCmachinetools;Geometricaccuracy;Positioningaccuracy;Cuttingaccuracy;Detectionandmattersneedingattention 論文摘要:現(xiàn)代數(shù)控機(jī)床集合了電子計(jì)算機(jī)、伺服系統(tǒng)、自動(dòng)控制系統(tǒng)、精密測量系統(tǒng)及新型機(jī)構(gòu)等先進(jìn)技術(shù),能夠加工形狀復(fù)
2、雜、精密、小批量零件,并且具有加工精度高、生產(chǎn)效率高、適應(yīng)性強(qiáng)等特點(diǎn)。隨著我國制造業(yè)的快速發(fā)展,數(shù)控機(jī)床在機(jī)械制造業(yè)已得到廣泛應(yīng)用,且對數(shù)控機(jī)床的精度要求也越來越高。如何檢測數(shù)控機(jī)床的精度,正成為各行業(yè)用戶在驗(yàn)收與維護(hù)數(shù)控機(jī)床時(shí)非常關(guān)注的問題。Abstract:modernncmachinetoolscollectionoftheelectroniccomputer,servosystems,automaticcontrol,precisionmeasurementsystemandnewinstitutionss
3、uchasadvancedtechnology,canbeprocessingcomplicatedshape,precision,smallbatchparts,andhashighprecision,highefficiency,strongadaptability,etc.WiththerapiddevelopmentofChina'smanufacturing,numericalcontrolmachinetoolinmechanicalmanufacturinghasbeenwidelyused,andh
4、ashigherrequirementfortheprecisionofthencmachinetools.Howtodetectthehttp://www.tahsft.com/http://www.tajthg.cn/precisionofthencmachinetool,isbecomingtheindustryusersinacceptanceandmaintenanceofncmachinetoolsisveryconcernedabouttheproblem. 機(jī)床的精度主要包括機(jī)床的幾何精度、機(jī)
5、床的定位精度和機(jī)床的切削精度?,F(xiàn)根據(jù)我在日常工作中所積累的經(jīng)驗(yàn),就這些精度的檢測項(xiàng)目、檢測方法及注意事項(xiàng)進(jìn)行綜合的說明。Theprecisionofthemachineincludingthegeometricaccuracyofmachinetools,machinetoolandthecuttingprecisionofthemachinetoolpositioningaccuracy.Nowinmydailyworkaccordingtotheaccumulatedexperience,istheaccura
6、cyofthetestitems,testmethodandthemattersneedingattentiontocomprehensivedescription. 1數(shù)控機(jī)床的幾何精度1thegeometryprecisionofncmachinetools 數(shù)控機(jī)床的幾何精度反映機(jī)床的關(guān)鍵機(jī)械零部件(如床身、溜板、立柱、主軸箱等)的幾何形狀誤差及其組裝后的幾何形狀誤差,包括工作臺面的平面度、各坐標(biāo)方向上移動(dòng)的相互垂直度、工作臺面X、Y坐標(biāo)方向上移動(dòng)的平行度、主軸孔的徑向圓跳動(dòng)、主軸軸向的竄動(dòng)、主軸箱沿
7、z坐標(biāo)軸心線方向移動(dòng)時(shí)的主軸線平行度、主軸在z軸坐標(biāo)方向移動(dòng)的直線度和主軸回轉(zhuǎn)軸心線對工作臺面的垂直度等。http://www.tahsft.com/http://www.tajthg.cn/GeometricaccuracyofCNCmachinetoolsreflectthekeymachinemechanicalparts(suchasalathebed,slipboard,column,spindlebox,etc.)ofthegeometryerroranditsassembledgeometry,inc
8、ludingtheflatnessofworkbenchface,eachcoordinatedirectionmovingperpendiculardegrees,countertops,X,Ycoordinatesonthedirectionofmovementofparallelism,mainshaftholeofspindleaxialandrad