双刀车削数控编程技术研究

双刀车削数控编程技术研究

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时间:2019-05-10

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1、合肥工业大学博士学位论文双刀车削数控编程技术研究姓名:王乾廷申请学位级别:博士专业:机械制造及其自动化指导教师:桂贵生20031101合肥工业大学博士学位论文AbstractTherearetwocuttersintwin—curerturningprocess,whichisabletoshoaenman·hourandimproveproductionefficiency,anditiswidelyusedinmassproduction.ButitisdifficulttodesignitsNCⅢumericalContr01)program.Inthispaper’c

2、omputeraidedtechnologyisadoptedtodevelopanautomaticallyprogrammingsystem,whichcanaccomplishthemodelingofparts,processplanningoftwin-cutterturning,calculationofcutterlocationdata(CLDATA),generationofNCcodeandsimulationofthemachining,andsoon.Themaincontentsareasfollowing:1.Anoverviewoncurrant

3、situationofNCtechnologyaredisscussed.CNCrComputerNumericalContr01)isclassifiedasfivetypesaccordingtothestructure.Theirfeaturesofstructureandfunctionarediscussed.ThedevelopmenttrendofNCtechnologyandNCprogrammingtechnologyaresummarizedbythediscussionofperformance,function,architecture,etc.Key

4、technologyoftwin-cutterturningprocessNCprogrammingisanalyzed.2.NCprogrammingprocedureandmethodarepresented.Procedure,featuresandapplicationfieldoftypicalprogrammingmethod,suchasmanualprogramming,oft-lineprogrammingandautomaticallyprogrammingareexpounded.3ProgressivemodelingmethodofNCmachini

5、ngmodelisresearched.Accordingtotheinformationcontent.theNCmachiningmodelisclassifiedasproductionmodel.technicsprocessingmodel,andtoolmodel.Onthebasisofintegratedproductionmodel,theextensiondata,whichincludestechnicsprocessingmodelandtoolmodel,canbeappendedbythejointofextensiondatasegment。4.

6、Processplanningmethodoftwin—cutterturningatthesametimeisresearchedFirst,westudiedtheplanningaim,task,requirementandtheassigningprincipleoftwoturrets.Thentheplanningmethodofcut—insegment,cuttingsegmentandcut-outsegment,andtheircuttingparametersaredisscussed,inwhichtheaim,principleandmethodof

7、mechanicalallowanceonqinemeasureorientedtoinhomogeneousworkpiecearcresearchedespecially.Furthermore,thestoragestructureofsinglemachiningstepandmulti—machining-step,andtheintegratedstoragemethodofallprocessdataarediscussed.5.GenerationarithmeticsofCLDATAa

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