Tablet-Machine-Design-specification毕业论文

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1、TermProjectonMachineDesignTermProjectonMachineDesignDesignSpecificationProject:WorkingmechanismfortabletmachineSchool:Designer:StudentNumber:1120133852ClassNumber:30011301CourseTeacher:2016-1-167TermProjectonMachineDesignContents1.Introduction41.1Designbackground41.2Designrequirements51.3Giv

2、enconditions61.4Designtasks62.Drivingmechanismgraphsofmainmechanisms72.1Mechanismofupperindenter72.2Mechanismofbottomindenter82.3Feedmechanism83.Reducerschemeofthetransmissiondevice84.SelectionoftheACmotor84.1Calculatingthemotorpowerweneed84.2Choosingthemotorweusedinourproject95.Determiningt

3、hesystem’stransmissionparametersanddynamicsparameters105.1Transmissionratioallocation105.2Determiningdifferentshafts’dynamicsparameters115.2.1Therotationspeedofeachshaft115.2.2Thetransmittedpowerofeachshaft1167TermProjectonMachineDesign5.2.3Theinputtorqueofeachshaft126.Transmissionpartsdesig

4、nofthereducer126.1TheV-beltdesignbetweenmotorandinputshaft126.2TheV-beltdesignbetweenoutputshaftandfeedmechanism156.2.1Thechaindesign166.3Thehelixgearstransmissionpartsdesigninreducer176.3.1Designofthehigh-speedlevelhelixcylindricalgears176.3.2Designofthelow-speedlevelhelixcylindricalgears25

5、7.Theshaftsystemsdesignandstrengthcheck347.1Thehigh-speedshaft(ShaftI)designandcalculation347.2Theintermediateshaft(ShaftII)designandcalculation447.3Thelow-speedshaft(ShaftIII)designandcalculation558.Thecasingdesign639.Designsummary6510.Acknowledgement6611.References6667TermProjectonMachineD

6、esignPrefaceAsstudentsofMechanicalEngineeringormachineryrelatedmajor,mechanicaldesigntheoryandmachinedesignpracticeareofgreatimportanceforallofus.Thetermprojectonmachinedesignisanadvancedcourseonmodeling,design,integrationandbestpracticesforuseofmachineelementssuchasbearings,gears,shaft,bolt

7、s,camsandmechanisms.ItcannotonlyhelpustoreinforcetheknowledgestudiedfromMechanicalGraphics,TheoryofMachines&Mechanisms,MachineDesign,etc,butalsocanurgeustopracticetheprinciplesofmechanicaldesign.Bystudyingthispracticecourse,wewillknowwellthedesignp