面向凸輪磨削的等速高精度實(shí)時(shí)插補(bǔ)技術(shù)研究.pdf

1、湖南大學(xué)碩士學(xué)位論文面向凸輪磨削的等速高精度實(shí)時(shí)插補(bǔ)技術(shù)研究姓名：侯志泉申請(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：胡思節(jié)20070410碩士學(xué)位論文AbstractWiththeeconomicalglobalizationhighvelocityhighprecisionwillbecomes21thcenturyacteristicsinmanufacture.Camisoneofimptantcomponentofcam

2、mechanism.It’sprofileisverycomplexit’smachiningqualityefficiencydirectlyinfluncesthemechanism’soperatingperfmances.Therefecam’smachiningaccuracystillisoneofdifficulty.Atpresentitmainlyusesmechanicalprofilemodellinggrindi

3、ngcaminournation.Thismethodexistsinsomelimitationscannotbesatisfywiththevariationalmarketrequirementespeciallyinprecisionflexibility.Aimingatthisstatusthearticleputsfwardhighprecisionrealtimeinterpolationfconstantvelocit

4、ygrindingcamafterwholestudyingonthestatusexistedquestionsfNCgrindingtechnologybothhereabroadresearhesoncrelativekeymethods.(1)Basedonthedemsofnumericalvaluefittingthefittingmethodfthecamlistingtablewaspresentedtakinguseo

5、fcubicsplineofaccumulatingchdthenthecam’scurvilinearequationswerefounded.Thefittingprecisioncomputationalstabilityofthemethodwereanalysedinthepaperprovidedareliablemethodfcam.(2)Makingatrackschemefgrindingwheel.Basedonta

6、ngentgrindingprinciplescam’eqyidistantcurvesequationswasfoundtakedthemusefgrindingwheel.Researchonthecamcurvesequationsthegrindingwheelradiuswasfoundthenthegringdingwheeltrackcurveswerecreatedfinally.(3)Studiedonhighprec

7、isionrealtimeinterpolationfconstantvelocitygrindingcam.Takinguseofdifferencialprinciplestheinterpolationfgrindingcamwasimplementedthroughlucubratedingringdingprincipledevelopmentofinterpolationmethods.Byuseoftheequations

8、ofvelocitymachiningprecisionthelengthofinterpolationwasobtained.Atthesametimethequestionofvelocityofinterpolationwasanalysedinthispaperthesmoothmethodwascreated.(4)Grindingcontrolofgrindingwheel.Basedoncam’seqyidistantcu