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P13651: MPI Wax Melter

MSD I: System Design Review. P13651: MPI Wax Melter. Team Introduction Project Introduction System Decomposition Customer Needs Concept Generation Concept Selection Risk Management MSD I Work Schedule Question and Answer Session. Agenda. Team

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P13651: MPI Wax Melter

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  1. MSD I: System Design Review P13651: MPI Wax Melter

  2. Team Introduction • Project Introduction • System Decomposition • Customer Needs • Concept Generation • Concept Selection • Risk Management • MSD I Work Schedule • Question and Answer Session Agenda

  3. Team Rachael Hamilton (ChemE) Project Manager Michael Blachowicz (ME) Lead Engineer Sean Sutton (ChemE) Project Engineers Alex Kibbe (EE) Project Engineers Valentina Mejia (ME) Project Engineers Jonathan Waldron (EE) Edge Expert • Customer Aaron Phipps, MPI Product Engineer • Support Michael Zona, Project Guide Sarah Brownell, Faculty Champion Introduction

  4. Goal • Design a device that will successfully melt, and transport soluble and non-soluble wax • Transport rate: 50lb/hr • Soluble wax contains a fiberglass matrix • Background • Investment Casting • Soluble and non-soluble wax Project Introduction MPI 55 C-Series Max Injector

  5. System architecture 1. Accept wax in multiple forms 2. Hold wax in hopper 3. Melt wax from Hopper 4. Transport melted wax

  6. Functional Decomposition Provide access for manual or vacuum loading Accept Wax Provide inlet for blocks, pellets, or flakes Store solid wax, prevent passage to subsequent step Provide storage for blocks, pellets or flakes of solid wax Hold Wax Water soluble: flakes Transport of solid wax to melting zone Built-in Provide Electricity Wall outlet Melt Wax Condition Electricity Based on heat source Convert electricity to heat Heat source Generate Heat Allow temperature adjustments for different waxes Regulate/maintain constant temperature Heat Wax Reduce heat losses? Mechanisms: Induction/High frequency Distribute heat evenly to wax in melt zone Apply heat to wax Prevent re-solidifying

  7. Maintain flowrate Prevent clogging Transport liquid wax away from melter Reduce residue left behind Prevent clogging Reduce residue left behind Catch and consolidate wax Provide electricity Transport melted wax Condition electricity Melt Wax Convert electricity to heat Generate Heat Allow temperature adjustment for different waxes Regulate/maintain temperature Reduce heat losses? Distribute heat evenly to wax in transport zone Deliver melted wax to reservoir Prevent clogging Functional Decomposition Pt. 2

  8. Customer Needs

  9. Prioritizing Customer Needs

  10. Top Customer Needs

  11. Engineering Specifications

  12. House of quality

  13. Engineering Specs

  14. Key system component: Melt wax • Two main concepts: • Modified waffle heater wax melter • Heated, stirred tank process • Determines choice of other components Concept Selection

  15. Pugh selection – Melt wax

  16. Pugh Selection – Accept wax

  17. Pugh selection – hold wax

  18. Pugh selection – Transport wax

  19. Accept wax: Hand-fed hole • Hold wax: Cylindrical vat • Melt wax: Heating and stirring mechanism • Transport wax: Cone Propose Concept

  20. Modeled Fluid Flow in Heated Stir Tank

  21. Risk management: Technical Risks

  22. Risk Management: Project Risks

  23. Next steps – MSD I Schedule

  24. Questions?

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