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ID:36454041
大小:2.93 MB
页数:104页
时间:2019-05-10
《双刀车削数控编程技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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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