project materials selection
TRANSCRIPT
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PROJECT MATERIALS SELECTION
Group 19 NJT2C
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PRODUCT ANALYSIS - What is the function of your product? - How do the components interact? - How is it made? - What should it cost? - What should it look like?
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What is the function of your product? -using with 6 sockets
-can slide in and slide out-have switch-safety with fuse- a universal electrical outlet-installation with table- power less than 2000 W
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HOW DO THE COMPONENTS INTERACT?
1.Puller 2.Outer tube 3.Switch and sockets 4.Holding plate 5.Hole
6. Pin7.Outer tube8. Fuse
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How is it made?
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What should it cost? -Less than 200 Bath
What should it look like?
- modern- meet the design specifications- It actually works
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MATERIAL SELECTIONo - What are the performance requirements?o - Based on the material selection chart, what
materials can you use?o - What are their mechanical, electrical, and
thermal properties?o - How much do they cost?o - Can they be recycled?
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WHAT ARE THE PERFORMANCE REQUIREMENTS?
Requirement properties
Must conduct electricity Electrical conductivity
Light and stiff Low density and high strenght
Cheap Cost per kg
Non oxidation Non-ferrous materials
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BASED ON THE MATERIAL SELECTION CHART, WHAT MATERIALS CAN YOU USE?
Young` s Modulus - Density
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Strength -Density
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Streng - Toughness
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Strength – Max.Service Temperature
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Resistivity -Cost
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WHAT ARE THEIR MECHANICAL, ELECTRICAL, AND THERMAL PROPERTIES?
Mechanical Properties
Density :1000-2000, kg /m3Young`s modulus : 2 – 10 GpaStrengh :50 – 80 Mpa
Thermal Properties
Temperature range : 0 – 200 Celcius
Electrical Properties
Resistance range :10^14 - 10^15 Ωm
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HOW MUCH DO THEY COST?
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CAN THEY BE RECYCLED?
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MANUFACTURING PROCESS SELECTION
o - What processes are suitable to your chosen materials?
o - What is the process technical performance?o - What is the manufacturing cost?
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WHAT PROCESSES ARE SUITABLE TO YOUR CHOSEN MATERIALS?
For Business
Model Product
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WHAT IS THE PROCESS TECHNICAL PERFORMANCE?
-Have a required smoothness.-Have a required dimension.-Have a high rate of produce per hour.
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WHAT IS THE MANUFACTURING COST?
We will produce 10,000 pieceestimated costMaterial cost about 50/pieceStartup cost (mould) depen on batch size about
5Running cost about 20
Manufacturing cost about 75 baht
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MATERIAL SELECTION DECISION
Polymers
PVC (Polyvinyl Chloride)
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Thank you