SLIDE 1
CarbonCloud
The composite bed
Denise, Jolien, Katrine & Lilian
Design
Design objectives:
- Minimize the costs
Design constraints:
- Mattress seating: 200 x 90 cm.
- Max. weight: 20 Kg.
- Max. load: 300Kg.
- Max. deflection 6 cm.
- Good looking
CarbonCloud The composite bed Denise, Jolien, Katrine & Lilian - - PowerPoint PPT Presentation
CarbonCloud The composite bed Denise, Jolien, Katrine & Lilian - - PowerPoint PPT Presentation
CarbonCloud The composite bed Denise, Jolien, Katrine & Lilian Design Design objectives: Minimize the costs Design constraints: Mattress seating: 200 x 90 cm. Max. weight: 20 Kg. Max. load: 300Kg. Max.
SLIDE 2
SLIDE 3
Fibers and matrix
Composite: Epoxy/carbon fiber, UD prepreg, UD lay-up
- Optimal ratio Young/shear
modulus
- Look and feel
Foam: Divinycell H250, 8 mm thick, PVC/ Polyurea
- Highest shear strength
- Most used
SLIDE 4
Mechanics
- Tensile strength
- Bending of stiffness
- Deflection
- Shear stress
SLIDE 5
Manufacturing
- Vacuum bag molding
- Prepreg
- Manually
- Autoclave
SLIDE 6
Performance and testing
- Quality
- ASTM D790 - Flexural properties
- ASTM D3479 - Fatigue properties
- ASTM D3410 - Compression properties
SLIDE 7
Future and Eco
- Cheaper materials
○ Natural fibers ○ Dry fibers ○ Other manufacturing methods ○ Solar power for manufacturing
- Stronger construction
SLIDE 8
Costs
- 25,000 DKK
- Foam: 18,000 DKK
SLIDE 9