木材切削表面粗糙度測試技術的研究.pdf

1、浙江工業(yè)大學碩士學位論文木材切削表面粗糙度測試技術的研究姓名：曹歡玲申請學位級別：碩士專業(yè)：機械制造及自動化指導教師：魯聰達201210浙江工業(yè)大學碩士學位論文WoODCUTTINGSURFACERoUGHNESSTESTINGTECHNOLOGYABSTRACTWoodbelongstotherenewableresources，hasahighstrengthweightratio，easyprocessing，beautifult

2、exturefeaturessuchas，playsallimportantroleinthenationaleconomicconstructionandpeople’SdailylifeWoodcuttingsurfaceroughnessisanimportantindicatorforevaluatingthequalityofthewoodpiecesurface，willdirectlyaffecttheappearance

3、ofthewoodpiece，gluingquality，decorativequality，andtheconsumptionofplasticmaterialsandcoatingsCurrently，woodcuttingsurfaceroughnessisstillstuckinanalogymetalmachiningsurfaceroughnesslevel，whetherthemeansofmeasurementoreva

4、luationstandardsaremorelikelytodrawmetalmachinedsurfaceroughness，thiscannottrulyreflectthepracticalpictureofthetimbercuttingsurfacemorphologyStylusmethodiscommonlyusedmethodsofmeasuringsurfaceroughnessInthispaper，thewood

5、cuttingsurfaceroughnessaremeasuredandanalyzedwithaprofilemeterThemainresearchwork：(1)MeasurementFraxinusmandshuricateak，bamboosurfaceroughnessparametersRaRz，RSmafterslicingandgrindingSurfaceroughnesscharacterizessurfacem

6、icrogeometryerror，theprofileangleCallnotbedirectlymeasuredAccordingta，RSmdefinitionandroughnessprofileunitapproximatestheshapeofatriangle，thispapercreativelycalculatedroughnessprofileangleaveragevaluebetween130370～159140

7、toprovideatheoreticalbasisfortheconicalstylusconeangleselection(2)Analysisofthestylustipradiusandthestylusstaticpressurecausingtimberroughnessparametermeasurementerrorcalculationoftheroughnessmeasurementerrorvaluecausedb

8、ythedifferenttipradiusReasoning：woodroughnessmeasurementdiamondstylusselecting90。conicalneedle，tipradiusof109rn，staticmeasuringforce2mN，theroughnessmeasurementerrorissmaller，ensuringmeasurementaccuracy(3)Thefractalgeomet