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Carbon Fibre Composite Components in Scania Trucks
HANNES BERG, SENIOR ENGINEER, MATERIAL TECHNOLOGY, SCANIA
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Scania is a world leading provider of transport solutions. Together with our partners and customers, we are driving the shift towards a sustainable transport system.
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1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 3
Premium products and services
Buses and coaches
• City/Surburban
• Intercity/Coach
• Bus systems by Scania
• Used vehicles
Engines
• Marine
• Industrial
• Power generation
• Scania gensets
Services
• Workshop services
• Scania Parts
• Driver services
• Connected services
• Finance & Insurance
• Scania Assistance
• Scania Rental
• Scania Maintenancewith Flexible Plans
Trucks
• Long-haulage
• Distribution
• Construction
• Special-purpose
• Used vehicles
Deliveries 2016
73,093 8,253 7,800
Title and Content
1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 4
Carbon fibre composite components in Scania trucks
Title and Content
1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 5
Volume-limited versus weight-limited transports
Title and Content
1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 6
Estimation of fuel-saving due to lightweight
• Long haulage truck = tractor and semitrailer
• Weight, empty: about 15 t
• Weight, fully-loaded: 40 t
• Driving distance 150 000 km/year
• Fuel consumption fully-loaded: about 40 l/100 km
• Fuel consumption empty: about 28 l/100 km
• Weigh difference: 25 000 kg • Difference in fuel consumption: 12 l/100 km
12litre
100 km25 000 kg
∙ 150 000km
year= 0.7
litre
kg ∙ year
Title and Content
1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 7
Utilisation of additional benefits of CFRP
• Lower acoustic emission
• Higher stiffness
one component fulfils several functions, other components can be removed
• Function integration
composite crossbeam with integrated air tank
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1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 8
Function integration
• Ductile cast iron cross beam 42 kg
• 20 l steel air tank 8 kg
• Air tank bracket 2 kg
22 kg
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1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 9
Composite crossbeam with integrated air tank
Winding comb
Liner
Flange
CFK-Laminate
Slide bearing
Sealing
Inserts WedgeFilm adhesive
Concept
Thermoplastic liner
Aluminium flanges
Threaded inserts
CFRP shell
22 kg
Title and Content
1 June 2017 Info class public YTMR / Hannes Berg / Scania CFRP 10
E-Mobility, light weight design for increased driving range
For battery electric vehicles (BEV), the weight of the batteries with the capacity to run a certain distance is 20 to 30 times the weight of diesel fuel needed to run the same distance.
In this case, light weight design has the potential to increase driving range significantly.
