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1、浅析机械加工误差(An且lysisofmachiningerror)Abstract:inmachiningprocess,machiningerrorwillaffectthemachiningaccuracy,sothebasicruleofmechanicalchanges,itisnecessarytoreducemachiningerror・Thispaperanalyzesthemaincausesoftheerrorsofmechanicalprocess,putforwardtoreducethemachin
2、ingerrormeasurestoreduceprocessingerrorsandimprovethemachiningprecisionoftheobjective・Keywords:machining;machiningerror;machiningaccuracy;mechanicalchangesinmachining,machiningerrorisinevitable,machiningdeviationwillaffectthemachiningprecision.Therefore,weonlyhaver
3、easonofmachiningerrorisanalyzedindetail,thebasicrulesofthemasteryofthechange,soastotakecorrespondingmeasurestoreducemachiningerror,improvethemachiningaccuracy・Themainreason,machiningerror1.machinetoolmanufacturingerror.Themanufacturingerrorofmachinetoolspindleerror
4、,includingguideerrorandtransmissionerror・Spindleerrorreferstotheactualmomentofspindleaxisofrotationrelativetotheaverageamountofchangeoftheaxisofrotation,itwilldirectlyaffecttheaccuracyoftheworkpiece・Theconcentricitybetweenerroranderror,bearingitselfbearingthemainca
5、usesofspindierotationerrorofthespindle,thespindlecoaxialityerroraroundetc・・Theguideismachinetodeterminetherelativepositionofallpartsofthemachinetoolisthemachinemovementbenchmark,benchmark・Theguiderailmanufacturingerror,unevenwearandinstallationqualityisanimportantf
6、actorcausingtheguideerror.Thetransmissionchainerrorreferstotheerrorofrelativemotionthroughthetransmissionchainbetweenthetwoendsofthetransmissionelement・Itiscomposedofvariouscomponentsofmanufacturingandassemblyerrorsinthetransmissionchain,andtheuseoftheprocesscaused
7、bywear・1.toolgeometricerror・Anytoolwillinevitablyproducewearinthecuttingprocess,andthuscausetheworkpiecesizeandshapechange・Theinfluenceoftoolgeometricerroronthemachiningerrorofthetoolwiththedifferenceofspecies:thesizeofcuttingtool,cuttingtoolmanufacturingerrorwilld
8、irectlyaffectthemachiningprecisionoftheworkpiece;andthegeneraltool(suchascutteretc・)，themanufacturingerrorhadnodirecteffectonmachiningerror・2.geo
