MIE313 Design of MechanicalMIE313 Design of MechanicalComponents -- Spring 2000Components -- Spring 2000

Instructor:Instructor: Sundar KrishnamurtySundar KrishnamurtyOffice:Office: ELAB 207BELAB 207BPhone:Phone: 545-0297545-0297Email:Email: skrishna@ecs.umass.eduskrishna@ecs.umass.edu

Office Hours:Office Hours: TuThTuTh 4:00-5:30 PM 4:00-5:30 PMTA:TA: SantoshSantosh Shanbhag Shanbhag ( ( sshanbhasshanbha@ecs.umass.edu@ecs.umass.edu))Homepage:Homepage: MWF 9:30-10:30 AMMWF 9:30-10:30 AM

Course OutlineCourse Outline■■ To learn and apply basic mechanical analysis techniquesTo learn and apply basic mechanical analysis techniques

((StaticsStatics, Dynamics, Strength of Materials, Dynamics, Strength of Materials))■■ To develop insight from analysis & use it in designTo develop insight from analysis & use it in design■■ To learn to design to fulfill specific functional requirementsTo learn to design to fulfill specific functional requirements

((Engin113, MIE213Engin113, MIE213))■■ To learn solid modeling and finite element analysisTo learn solid modeling and finite element analysis

computer skills (computer skills (LABLAB))■■ To reinforce To reinforce ((semester-long group Design and Analysissemester-long group Design and Analysis

ProjectProject))–– communication (written, oral, and graphical)communication (written, oral, and graphical)–– cooperative problem solvingcooperative problem solving–– project management skillsproject management skills

Course OverviewCourse Overview■■ Review: Solid mechanics, work, energy,Review: Solid mechanics, work, energy,

and power conservation (Ch. 1&2)and power conservation (Ch. 1&2)

Statics

Kinematics Dynamics

Dynamics

Solid Mechanics Fluid Mechanics

Mechanics

Text Book & TopicsText Book & Topics

■■ Robert C.Robert C. Juvinall Juvinall and Kurt M. and Kurt M. Marshek Marshek,,Fundamentals of Machine Component DesignFundamentals of Machine Component Design, Second, SecondEdition, John Wiley & Sons, 1991Edition, John Wiley & Sons, 1991–– Safety ConsiderationsSafety Considerations–– Load AnalysisLoad Analysis–– Stress, Strain, and Deflection AnalysisStress, Strain, and Deflection Analysis–– Failure Theories and ModesFailure Theories and Modes–– Finite Element AnalysisFinite Element Analysis

■■ ProPro Mechanica Mechanica

Related TopicsRelated Topics

■■ Solid ModelingSolid Modeling■■ Fatigue AnalysisFatigue Analysis■■ Design EvaluationDesign Evaluation■■ Strength of MaterialStrength of Material■■ Component designComponent design

–– springs, bearings, gearssprings, bearings, gears

Grade DistributionGrade Distribution

■■ HomeworksHomeworks 10%10%■■ Quizzes & Class ParticipationQuizzes & Class Participation 10%10%■■ FEA Mini-ProjectFEA Mini-Project 10%10%■■ Midterm ExamMidterm Exam 15%15%■■ Final ExamFinal Exam 15%15%■■ Project Solid Model ReportProject Solid Model Report 10%10%■■ Project Baseline ReportProject Baseline Report 10%10%■■ Final Project Report Final Project Report 10%10%■■ Project PresentationProject Presentation 10%10%

Related LinksRelated Links

MIE313-S99:MIE313-S99:•• http://www.ecs.umass.edu/http://www.ecs.umass.edu/miemie/courses/mie313-s99//courses/mie313-s99/

MIE313-Fall99:MIE313-Fall99:•• http://www.ecs.umass.edu/http://www.ecs.umass.edu/miemie/courses/MIE313-/courses/MIE313-

Fall99/index.Fall99/index.htmhtm

Design Library:Design Library:•• http://www.ecs.umass.edu/http://www.ecs.umass.edu/miemie/labs//labs/mdamda//dlibdlib//dlibdlib.html.html•• http://www.http://www.ptcptc.com/products/.com/products/inpartinpart/index./index.htmhtm

Related InformationRelated Information

■■ Academic Honesty Policy:Academic Honesty Policy:–– http://www.ecs.umass.edu/http://www.ecs.umass.edu/miemie/hon97.html/hon97.html

■■ Pro Engineer and Pro Pro Engineer and Pro MechanicaMechanica::–– All students expected to have workingAll students expected to have working

knowledge ofknowledge of ProE ProE–– All Students are required to attend a 2 hourAll Students are required to attend a 2 hour

training session on Pro training session on Pro MechanicaMechanica

Project Selection CriteriaProject Selection Criteria

■■ Design Against FailureDesign Against Failure■■ Geometry ComplexityGeometry Complexity■■ Operating ConditionsOperating Conditions■■ Material PropertiesMaterial Properties■■ Functional Behaviors:Functional Behaviors:

–– LinearLinear elastostatic elastostatic analysis analysis–– steady-state thermal analysissteady-state thermal analysis–– Combined linear thermal-Combined linear thermal-elastostaticelastostatic analysis analysis–– Buckling & Free vibrationBuckling & Free vibration

VHS- Tape Pinch Roller Actuator

Project TeamsProject Teams

■■ Teams of 2 or 3 (3 preferred)Teams of 2 or 3 (3 preferred)■■ Goal: Goal:

–– To discuss, decide, and to do real workTo discuss, decide, and to do real worktogethertogether

■■ Rotating LeadershipRotating Leadership–– Studies have shown that rotating leadershipStudies have shown that rotating leadership

assignments in semester-long projects worksassignments in semester-long projects workswellwell

–– Every member has an opportunity to be theEvery member has an opportunity to be theleader for at least one reportsleader for at least one reports

Project InformationProject Information

■■ Goal:Goal:–– Product Redesign requiring Product Redesign requiring design, analysis, anddesign, analysis, and

evaluationevaluation of one or more of one or more special purposespecial purpose parts parts

■■ Project ProposalProject Proposal■■ Force Model &Force Model &

Solid Model Report Solid Model Report ■■ Analysis ReportAnalysis Report ■■ Final ReportFinal Report

■■ Oral PresentationOral Presentation

Sideview Mirror

Project EvaluationProject Evaluation

■■ All reports will be evaluated basedAll reports will be evaluated basedon:on:

■■ Substance: Quality of contents andSubstance: Quality of contents andquality of drawingsquality of drawings

■■ Style: Presentation of materials in anStyle: Presentation of materials in anintegrated manner that is easy to readintegrated manner that is easy to readwith no spelling, grammar, or, otherwith no spelling, grammar, or, othererrorserrors

Project ProposalProject Proposal

■■ Two-pages to include:Two-pages to include:•• Member names and rotating leadershipMember names and rotating leadership

assignmentassignment•• A brief overview of your design describing:A brief overview of your design describing:

•• General functions, operating conditions, andGeneral functions, operating conditions, andoverall objectives of your projectoverall objectives of your project

•• A sketch of the Actual Part or subassemblyA sketch of the Actual Part or subassembly•• Project Timeline with task scheduleProject Timeline with task schedule

Force & Force & SoildSoild Model Report Model Report

■■ 10% of your grade10% of your grade■■ Group report with a leader clearly identifiedGroup report with a leader clearly identified■■ Suggested topics:Suggested topics:

–– IntroductionIntroduction–– ObjectivesObjectives–– Plan of WorkPlan of Work–– Force ModelForce Model–– Solid Models of critical componentsSolid Models of critical components

–– All figures should have figure numbers andAll figures should have figure numbers andfigure captionsfigure captions

■■ ConclusionConclusion

Project Analysis ReportProject Analysis Report■■ 10% of your grade10% of your grade■■ Group report with a leader clearly identifiedGroup report with a leader clearly identified■■ Similar in style to Solid Model ReportSimilar in style to Solid Model Report■■ Suggested topics:Suggested topics:

–– Introduction, Objectives, Plan of WorkIntroduction, Objectives, Plan of Work–– Solid Models of critical componentsSolid Models of critical components

–– All figures must be integrated into the text write upAll figures must be integrated into the text write up–– FORCE ANALYSISFORCE ANALYSIS

■■ FEA of critical componentsFEA of critical components–– Discuss in detail your simplifications in the context of yourDiscuss in detail your simplifications in the context of your

design objectivesdesign objectives–– Clearly detail load conditionsClearly detail load conditions–– Discuss and kinematic constraintsDiscuss and kinematic constraints

■■ Validate your results using simplified handValidate your results using simplified handcalculationscalculations

■■ ConclusionConclusion