资源描述:
《矿用减速器内齿圈制造工艺的研究》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、Subject:ResearchonManufacturingProcessofAnnularGearUsedinReducerofCoalMineSpecialty:MechanicalEngineeringName:LiuHaiyan(signature)Instructor:MaHongwei(signature)ABSTRACTTheplanetgearboxproducedbyZMJ(ZhangjiakouCoalMiningMachineryLimitedCompany)isakey
2、matingpartoftheconveyorandstageloaderforundergroundcoalmining,itcharacterizedbybigtransmissionrate,largeloadingcapacity,compactstructure,simplestructureandsmoothtransmission.Theannulargearisoneofthekeyelementsoftheplanetgearboxwhichconnectedwiththebo
3、dyandengagedwithplanetgeartotransmitmotionandpower.ThispaperfocusedontheproblemofbigmeshingsnoiseandgeartoothbrokenduringoperationoftheannulargearproducedbyZMJ,throughcheckingthetoothaccuracyofannulargearandanalysingtheresultstoascertainthedifference
4、sbetweenactualaccuracygradeanddesignrequirementofannulargear,suchasthetoothprofile,toothtrace,circularpitchlimitoffsetandsurfaceroughnessoftheannulargearislowerthanthedesignrequirement2~3grades.Combiningtheoreticalanalysisandexperimentalstudy,thereas
5、onforlowermanufacturingaccuracyofannulargearwasascertained.Basedonthefindings,theprocessroute,gearshavingprocess,heattreatingnitridingprocesswereimproved,andcorrectingfixtureforheattreatmentdeformationwasdesigned;meahwhile,CNCgearshavingprogramwasres
6、earchedtopromotetheproductionefficiency.Aimingattheproblemofquicklytoolweared,weexperimentdwithgearshavingallowance,areasonablecuttingallowancewasconcluded,inordertoimproveaccuracyandefficiency.WiththehelpofVisualBasic,asoftwareforselectingmeasurepro
7、beandspace-over-pitchcalculationofannulargearisdeveloped,itgreatlypredigestcalculationprocessandit’spracticalandefficient.Throughthestudyonthissubject,themethodtoimprovethemachiningaccuracyoftoothinannularmethodisputforward,theresearchachievementisal
8、sosuitableforannulargearmanufacturinginotherindustry.Keywords:AnnularGearIonNitridingGearShavingProcessCuttingParametersThesis:ApplicationResearch目录目录1绪论.................................................................................................