001 Mechine elements design英文文献资料

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1、MEL311:MachineElementDesignHarishHiraniDepartmentofMechanicalEngineeringPre-requisitesMEL211Kinematics&DynamicsofMachinesAML140MechanicsofSolidsMEP201MechanicalEngineeringDrawingMEP202DesignInnovation&Manufacturing7/24/20092IdentificationofneedProblemfor

2、mulationKinematics&DynamicsofMachinesMechanism/SynthesisMechanicsofSolidsMechanicalEngineeringDrawingAnalysisDesignInnovation&ManufacturingVerification/ValidationPresentationPurchaseasafelathemachine§Lowriskofinjurytooperator§Lowriskofoperatormistake§Low

3、riskofdamagetoworkpiece/toolProblemformulation§Automaticcut-outonoverloadProblem:Designareliableandsimpletestrigtotestshaftconnectionssubjectedtoimpulseloads.ReliableoperationSimpleGoodreproducibilityMinimumno.ofcomponentsSafetyLowwearSimpledesignofLowsu

4、sceptibilitytocomponentsexternalnoiseLowcomplexityToleranceforoverloadingDesignforstandardsEasyhandlingQuickexchangeoftestconnectionsGoodvisibilityofmeasuringsystemDesignInnovation&ManufacturingCanweincreasespeedofJuteFlyer??FlyerSpinningMachineCurrentsp

5、eed4000rpmTargetspeed6000rpmBobbin7/24/20097DesignInnovation&ManufacturingCanweincreasespeedofJuteFlyer??FlyerSpinningMachine•Increaserotationalspeed•Constraints:Stress

6、nglifemustbeatleast3years§Thewharvesmustbelighterthanthecurrentwharves§Temperaturerisemustbewithin5°C.§Costofnewwharveassembly≤1.5timescostofexistingassembly7/24/20099IdentificationofneedProblemformulationDesignisaniterativeprocessMechanism/SynthesisAnal

7、ysisrequiresAnalysismathematicalmodelofsystem/component.VerificationPresentationMachineElementDesign:SystemÆElementsPowertransmissionSystemÆGears,Bearings,Shaft,Seals.Textbooks:1.MechanicalEngineeringDesign.ShigleyandMischke..MachineElements2.MachineDesi

8、gn:AnIntegratedApproach..R.L.Norton1.Designofshafts2.Designofcouplings3.Designofbeltandchains4.Designofsprings25-30Hours5.DesignofClutches&BrakesMinorII6.DesignofScrewsMajor7.Designofboltedjoints8.Gear(spur,helical,bevelan