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Material Storage and Dispensing Device for the Kitchen. Charles E Schaefer, Jr. School of Engineering Department of Mechanical Engineering ME 42 4 Senior Design Proposal Presentation Thursday, February 12th, 2004 Group 9 Ethan Jayson Cora LaFrance Judy Ng - PowerPoint PPT Presentation
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Material Storage and Material Storage and Dispensing Device for the Dispensing Device for the
KitchenKitchen
Charles E Schaefer, Jr. School of Engineering
Department of Mechanical Engineering
ME 424 Senior DesignProposal Presentation
Thursday, February 12th, 2004
Group 9Ethan Jayson
Cora LaFrance Judy Ng
Advisor: Professor Zhenqi Zhu
PRESENTATION PRESENTATION OVERVIEWOVERVIEW
Project SummaryProject Summary Fall 2003 Recap & ConclusionsFall 2003 Recap & Conclusions Objectives for 2004Objectives for 2004 DisciplinesDisciplines Approach & MethodsApproach & Methods Anticipated ProblemsAnticipated Problems Project DeliverablesProject Deliverables
PROJECT SUMMARYPROJECT SUMMARY DesignDesign, , Analyze Analyze & Test & Test a Concept for a a Concept for a
Material Storage & Dispensing DeviceMaterial Storage & Dispensing Device Explore Existing Products and DesignsExplore Existing Products and Designs Integrate Features to form Improved Integrate Features to form Improved
DesignDesign Perform Material Selection, DFM, and Perform Material Selection, DFM, and
Cost Analyses Cost Analyses Produce Final Design that Meets Design Produce Final Design that Meets Design
SpecificationsSpecifications
FALL 2003 SUMMARYFALL 2003 SUMMARY
State-of-the-Art Review
Meeting with Advisor/Sponsor
RoughSketches
Brainstorming
Patent Search
Conceptual Designs
Alternative Designs
Concept Screening & Scoring
Final Concept Selection
Engineering Analysis DFM Cost Analysis
MAJOR COMPONENTSMAJOR COMPONENTS
PRODUCT ASSEMBLYPRODUCT ASSEMBLY
Container Lid
Container
Stand Upright
Stand Base
Spiral
Turning Knob
Material Exit
MATERIAL SELECTIONMATERIAL SELECTION
Container: Container: PolystyrenePolystyrene Low CostLow Cost High Impact ResistanceHigh Impact Resistance FDA Compliant for Use with FoodFDA Compliant for Use with Food Good TransparencyGood Transparency
Stand Base: Stand Base: Cast AluminumCast Aluminum
Stand Upright: Stand Upright: Stainless SteelStainless Steel
TOTAL PART COST TOTAL PART COST ESTIMATIONESTIMATION
Part Description
Assembly Cost ($)
Mat'l Cost ($)
Mfg Cost ($)
Total Part
Cost ($)Base 0.012 3.876 0.200 4.089Rack 0.016 0.073 0.050 0.139
Rotate Assembly 0.033 0.033Container/Hopper 0.016 0.078 0.250 0.344
Spiral 0.016 0.090 0.350 0.456End 0.029 0.024 0.100 0.153Knob 0.029 0.024 0.150 0.203
Rotate Assembly 0.033 0.033 Cover 0.012 0.042 0.150 0.204
$0.20 $4.21 $1.25 $5.65
Determined Criteria for Successful Determined Criteria for Successful Completion of Design ProjectCompletion of Design Project
Followed Design Process:Followed Design Process: Literature and Product ResearchLiterature and Product Research Development of SpecificationsDevelopment of Specifications Formulation of Conceptual and Formulation of Conceptual and
Alternative DesignsAlternative Designs Final Design Selection Final Design Selection Engineering and Cost AnalysesEngineering and Cost Analyses
FALL 2003 FALL 2003 CONCLUSIONSCONCLUSIONS
FALL 2003 FALL 2003 CONCLUSIONSCONCLUSIONS
The Design Team Delivered an The Design Team Delivered an Innovation, Simple Innovation, Simple && Efficient Solution Efficient Solution to Design Problemto Design Problem
Design: Spiral Dispensing MechanismDesign: Spiral Dispensing Mechanism Height: 17.3 inches Height: 17.3 inches Storage Capacity: 22 Cups (7.5 lbs. of Flour)Storage Capacity: 22 Cups (7.5 lbs. of Flour) Dispensing Capability: ¼ Cup per RevolutionDispensing Capability: ¼ Cup per Revolution Material + Assembly Cost: $5 to $6 per unitMaterial + Assembly Cost: $5 to $6 per unit
FALL 2003 FALL 2003 CONCLUSIONSCONCLUSIONS
The Design for the Stand Needs The Design for the Stand Needs Improvement Based on: Improvement Based on: FEA Analysis ResultsFEA Analysis Results Aesthetic AppealAesthetic Appeal Comments and Feedback Comments and Feedback
Further Design Considerations are Further Design Considerations are Necessary before Design FinalizationNecessary before Design Finalization
OBJECTIVES FOR OBJECTIVES FOR 20042004
TestingPrototypeMeet
SpecificationsQuality of Product
Promotion of Product
Accuracy
User Friendly
Manufacturability
Website
Engineering Day
Develop Test Procedures
Analyze Results
Working Prototype
Final Prototype
DISCIPLINES – Fall DISCIPLINES – Fall 20032003
Engineering:Engineering: StaticsStatics DynamicsDynamics Materials Materials
PropertiesProperties DFMADFMA
Industrial Industrial Design:Design: ErgonomicsErgonomics Visual AppealVisual Appeal
Administrative:Administrative: Time Time
ManagementManagement Cost Cost
ManagementManagement Patent ResearchPatent Research
Marketing:Marketing: Market Research Market Research
& Analysis& Analysis
DISCIPLINES - SPRING DISCIPLINES - SPRING 20042004
PrototypingPrototyping Data AnalysisData Analysis Mechanics of MaterialsMechanics of Materials ManufacturingManufacturing MarketingMarketing Web DevelopmentWeb Development Time/Cost ManagementTime/Cost Management
APPROACH & APPROACH & METHODSMETHODS
Design ChangesDesign Changes
Working Model Material SelectionWorking Model Material Selection
Fabricate Working ModelFabricate Working Model
Test Mechanism in ModelTest Mechanism in Model
Computer Aided Stress/Strain TestingComputer Aided Stress/Strain Testing
Apply Necessary Design ChangesApply Necessary Design Changes
Stereolithography of Final DesignStereolithography of Final Design
Website DevelopmentWebsite Development
Engineering Design Day PosterEngineering Design Day Poster
Final Report & Presentation
ENGINEERING ANALYSISENGINEERING ANALYSISSTRESS & DISPLACEMENTSTRESS & DISPLACEMENT
Center of Gravity
Application of Load From Flour = 7.5 lbs.
STRESS ANALYSISSTRESS ANALYSIS
Location of Highest Stress
Maximum Von Maximum Von Mises Stress: 49.07 Mises Stress: 49.07 MPaMPa
DISPLACEMENT DISPLACEMENT ANALYSISANALYSIS
Location of Max Displacement
REVISED STAND DESIGNREVISED STAND DESIGN Container & Spiral
Will Remain the Same Improved Stand
Design to Reduce Stresses and Deflections
Material: Polystyrene Goal of Final Design
Stability Material Usage Cost Effectiveness
NEW STAND IDEANEW STAND IDEA
Hole For Stand
PROTOTYPE FABRICATIONPROTOTYPE FABRICATION SpiralSpiral
Buy Similar ShapeBuy Similar Shape• AugerAuger• Injection Molding Injection Molding
ScrewScrew Machine a ScrewMachine a Screw
ContainerContainer Construct From Construct From
ScratchScratch• PlasticPlastic• Metal SheetingMetal Sheeting
Modify Tupperware-Modify Tupperware-like Containerslike Containers
EXPECTED EXPENSESEXPECTED EXPENSESITEM COST
Stereolithography ($200/hr x 24 hrs)
$4800.00
Container $50.00
Spiral $60.00
End Knob $60.00
Cap Piece $40.00
Top $40.00
Cap $40.00
Stand $50.00
Site Visit (gas, food, etc.) $100
Material (Poster, Poster Board, CD's) $75
Miscellaneous $50
Total $5365.00
$5365
ANTICIPATED ANTICIPATED PROBLEMSPROBLEMS
Mechanism Does Not Perform to Mechanism Does Not Perform to Required Specifications.Required Specifications.
Finding Proper Materials for Finding Proper Materials for Creating a Working Prototype.Creating a Working Prototype.
Develop a Cost Effective Method to Develop a Cost Effective Method to Produce the Product.Produce the Product.
Acquiring Parts in Time for Testing.Acquiring Parts in Time for Testing. Learning How to Develop a Web SiteLearning How to Develop a Web Site..
DELIVERABLESDELIVERABLES Working PrototypeWorking Prototype Engineering Drawings and Engineering Drawings and
SpecificationsSpecifications Test ResultsTest Results Final PrototypeFinal Prototype Summary of Project ExpensesSummary of Project Expenses Informative WebsiteInformative Website Poster for Engineering Design DayPoster for Engineering Design Day Final Report and Presentation Final Report and Presentation
Showing All Stages ofShowing All Stages of Development Development
A New Addition to Group 9A New Addition to Group 9
New Group Member: Catherine OldfieldNew Group Member: Catherine Oldfield 3 - Member Group 3 - Member Group 4 - Member Group 4 - Member Group An Additional Source of Ideas and An Additional Source of Ideas and
CreativityCreativity Change of Group DynamicsChange of Group Dynamics
THANK YOU!THANK YOU!