JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 12

Applications

industrial

Carbon drive shafts:
the best specific torque transfer
- Carbon drive shafts:
the best specific torque
transfer ....................... p12
- 3D composite sandwich
with high-energy shock
absorbing oriented
bridges ........................ p14
- The Volkswagen XL1 super
efficient vehicle ........... p16

World-Class
Glass Yarn
&
Fabric
Manufacturer
Sales
&
Seeking for
Agency
www.glotechgf.com

Although carbon drive
shafts are already used
in some motor boats and
luxury sports cars, they do
not have much of a foothold
in industry. This is probably
just due to conservatism,
since they have many advantages. Here are some of
the solutions proposed by
Centa Group, a specialist in
that area.

L

ightweight drive shafts made of
carbon-fibre reinforced plastic
(CFRP) exhibit energy-efficient
power transmission while allowing
increased velocities of the driven
machines.
In cooperation with the Technical
University of Darmstadt and leading classification societies, Centa has
developed its own range of CFRP drive
shafts. Their strength and stability are
comparable to steel, but with significant weight savings (lower inertia).
The shafts can be combined with a
variety of flexible couplings and connecting elements for optimum torque
compensation. They are fatigue free,
extremely durable, and corrosion
proof. They dampen noise and have a
low coefficient of thermal expansion.
Centa Group can provide any length,
with up to 10 metres per section.
The admissible torque range is 0.1 to

12 jec composites magazine / No84 October 2013

650 kNm in a temperature range of
-40° to +90°C. Their intrinsic properties make the shafts easier to handle
and reduce maintenance and costs by
eliminating the need for additional
components such as bearings and
foundations.

Operational experience
Centa CFRP shafts have been successfully applied in fast ferries (monohull
and catamaran), cruise vessels, naval
ships, luxury yachts, tug boats, dredgers, research ships, drill ships, rescue
boats, excursion boats, hydrofoils,
double-ended ferries and pilot boats.
Since 1996, Centa has become a market leader worldwide for CFRP shafts.
To date, more than 150 ships with 500
drive shafts have been equipped by
Centa, clocking up thousands of hours
without technical problems. This has
given the company wide engineering
and design experience, enabling them
to produce sophisticated yet cost-effective solutions. Their close contacts
with all partners involved, e.g. shipyards, manufacturers (engines, gear,
waterjets, shaft bearings/seals, etc.)

More information

Advantages of CFRP shafts
- Low weight - typically 70% weight
saving compared to conventional steel
shafts
- Longer spans reducing or eliminating
line shaft bearings, hence providing
lower weight and fewer assembly
parts (not only eliminating the need
for pedestal bearings, but also
reducing the cost and weight of the
pedestal-supporting structure)
- Long service life, no corrosion, no
wear, no maintenance, non-magnetic
- Low thermal expansion
- Noise damping


http://www.glotehcgf.com

JEC COMPOSITES MAGAZINE - Issue #84 - October 2013

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #84 - October 2013

Cover
Edito
Point of view: global player
Contents
Agenda of Events
COMPANY & BUSINESS In Brief
APPLICATIONS
Industrial
Security
Automotive
MARKET
Trends
Bio-based
Basalt
FEATURE MARINE
Simulation
High-performance
TPT
Natural fibre
Core materials
Hybrid composite
China
RESEARCH & DEVELOPMENT
Curing agent
Delamination
TECHNOLOGY & INNOVATIONS
P.U.
Services
VARTM
Metrology
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Cover
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 2
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Edito
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Point of view: global player
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 5
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Contents
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 7
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 9
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Ad1
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Ad2
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - COMPANY & BUSINESS In Brief
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 11
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Industrial
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 13
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Security
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 15
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Automotive
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 17
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Trends
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 19
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Bio-based
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 21
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Basalt
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Simulation
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 24
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 25
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - High-performance
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 27
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 28
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 29
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - TPT
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 31
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 32
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Natural fibre
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 34
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 35
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Core materials
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 37
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Hybrid composite
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 39
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - China
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Curing agent
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 42
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 43
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Delamination
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 45
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 46
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 47
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - P.U.
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 49
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 50
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Services
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 52
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 53
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - VARTM
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 55
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Metrology
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - Index
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - In the world
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 59
JEC COMPOSITES MAGAZINE - Issue #84 - October 2013 - 60
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