JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 50
USERS’ PLATFORM Application Lightening the load for the stage crew Stage builders know only too well that transporting and assembling heavy stage sections can quickly become a pain – quite literally. Yet back complaints resulting from heavy lifting could soon be a thing of the past as the Dutch company Triple-E Lichtgewicht Meubilair B.V. is now offering lightweight stage sections. U nder the name “Flax-Deck”, these stage sections have external dimensions of 0.75 by 1.50 meters and weight only 16.5 kilograms. The low weight of the stackable and compact sections is due to a sandwich structure based on the Baypreg® polyurethane spray system from Bayer MaterialScience. structure can withstand a concentrated load of up to 150 kilograms. Its surface is protected by a highly abrasion-resistant and robust plastic layer that is available in various colours. Foldaway and heightadjustable aluminium legs are mounted underneath, enabling the sections to be easily set up and assembled. Its structure Composite sandwich materials are generally lightweight and extremely stiff. The highly versatile stage sections consist of a light rigid foam core reinforced top and bottom with flax mats to absorb tensile forces, thereby increasing the strength of the composite. The sandwich Production process During production, the fiber mats made out of natural flax are first impregnated on both sides with the dual-component polyurethane system using a spray process. The mats and the expanded polystyrene (EPS) core are then put together to form a sandwich and inserted into a preheated mould. The layered structure is pressed into the desired shape at temperatures normally ranging from 60 to 120 ºC and pressures between 6 and 8 bar and cures within a matter of minutes. Post-treatment of the sandwich composite by annealing, for example, is not necessary. This highly economical, onestep production process creates a permanently stable, extremely robust and rigid structure capable of withstanding high mechanical loads. This is due in no small measure to the polyurethane system’s excellent adhesion to various materials. Conclusion Compression moulding opens up yet more design options for sandwich technology using Baypreg®. Curves and changes in wall thickness are also possible, for example. This feature was used here to create recesses on the bottom of the stage sections into which the folded-up aluminum legs can be stowed. The sections can thus be stacked on top of one another in a minimum of space when not in use, without damaging their surfaces. More information: www.bayermaterialscience.com JEC Composites Magazine / No43 September 2008
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JEC COMPOSITES MAGAZINE - Issue #43 - September 2008
Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #43 - September 2008
Cover
Editorial
Market Place
Advertisers
CONTENTS
NEWS WORLDWIDE
- Companies
- Agenda of events
- Innovations
- Equipment: Rapid prototyping
BUSINESS
- Market survey
- Niche market
- Human capital
FEATURE - MARINE
- Design
- Modelling
- Core materials
- Prepreg
- Natural fibre core
- Sandwich structure
- Gelcoat
- Infusion
- Application
USERS' PLATFORM
- Composites in the world
- Applications
KNOW-HOW
- Materials
- Manufacturing
Special JEC Composite Asia
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - Cover
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 2
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - Editorial
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - Market Place
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - Advertisers
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - CONTENTS
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 7
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Companies
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 9
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 10
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 11
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 12
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 13
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 15
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Innovations
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 17
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Equipment: Rapid prototyping
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Market survey
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 21
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 22
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Human capital
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 24
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - FEATURE - MARINE
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Design
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 27
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 28
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 29
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Modelling
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 31
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 32
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Core materials
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 34
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Prepreg
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Natural fibre core
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Sandwich structure
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 38
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Gelcoat
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 40
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Infusion
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 42
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 43
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Application
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 45
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 46
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - USERS' PLATFORM
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Composites in the world
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 49
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Applications
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 51
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 52
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 53
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 54
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Materials
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 57
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 58
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 59
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 60
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 61
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - - Manufacturing
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 63
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 64
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - Special JEC Composite Asia
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - II
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - III
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - IV
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - V
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - VI
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - VII
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - VIII
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - IX
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - X
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 75
JEC COMPOSITES MAGAZINE - Issue #43 - September 2008 - 76
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