數(shù)控螺旋錐齒輪機(jī)床精度檢測(cè)與誤差補(bǔ)償?shù)难芯?pdf

1、中南大學(xué)碩士學(xué)位論文數(shù)控螺旋錐齒輪機(jī)床精度檢測(cè)與誤差補(bǔ)償?shù)难芯啃彰簞⒒哿嵘暾?qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械制造及其自動(dòng)化指導(dǎo)教師：曾韜20060501AbstractAccuracyisallimportantfactorwhichdeterminestheperformanceofComputerNumericallyControlled(CNC)machinet001HowtoimprovetheaccuracyofChICbecome

2、sthefocusatpresentBecauseofcomplexoperationlongtimecorrectingandhighpriceoflaserinterferometersformeasuringthepositioningerrorofCNC，laserDopplerDisplacementMeasurement(LDDM)isusedtotestthepositioningellOrofCNCItisbasedon

3、theDopplertheoryandCallsimplifyoperationandsavetimeThemostimportantisthatitislowpricedInternationalOrganizationforStandardization(ISO)suggeststhatwetestthevolumetricaccuracybymeasuringthebedydiagonalerrorofworkingvolumeo

4、fCNCConventionallaserintefferometercall’tdistincttheellOroriginSOitcan’tbeusedforcompensationofvolumetricerrorBasedonthelaservectormeasurementtechnique，itcandecomposethebodydiagonalerrortobethelinearerrorbyspatialvectort

5、heorythroughsequentialmoveofthreelinearaxes()(，Y固ofChIChypoidandspiralgrindersoastotestandcompensatethevolumetricerrorofCNCquicklyOnthebasisofresearchingonthesoftwareerrorcompensationandSiemens840Dcontrolledsystem，experi

6、mentsoftestingandcompensationaredoneontheCNChypoidandspiralgrinderYK2050ComparedwiththeresultsbeforecompensationthelinearerrorsandvolumetricerrorreduceobviouslyandtheVolumetricpositioningaccuracyofCNCimprovesgreatlySimul

7、taneouslyanalysisisdoneontheerrorofspiralbevelgeaf，theexperimentsmadeonIVlMgeartesterprovethatthehigherthevolumetricaccuracyofCNChypoidandspiralgrinderthehigherthemachiningaccuracyKeywords：Laserdopplerdisplacementmeasure