APPLICATION TECHNOLOGY Practical aid to the photovoltaic industry
To make the use of photovoltaic plants attractive and profitable for users, the modules must deliver high quality and a long service life. This is only feasible if all components within the module meet high quality standards.
double-sided adhesive that can be applied by fully automated or manual processes. Lohmann has been involved in the photovoltaic industry for decades and develops not only
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individual bonding solutions but also automated application tools. For example, the building and renewable energies market segment has developed a spool-unwinder to apply the framing tape manually. It consists of a mobile or stationary unit housing the adhesive tape spool. The tape is attached to the associated manual applicator and flexibly affixed to the module frame. In this way, the spool-unwinder enables simplified application and improved ease of handling. Lohmann highlights that another advantage of the new unwinder is the use of the spool. In
contrast to a roll, which holds just 50m - 100m of adhesive tape, a spool can take 1,400m of tape. This difference in length makes it clear how efficient the spool-unwinder is to work with – there is no need for frequent changes of roll, minimising the time and effort required. “The spool-unwinder is available in two models, as a stationary or a mobile unit. Both versions
have tension-free tape application, making it easy to unroll the tape. Whatever the application, the customer then obtains an effective individual solution to bond framed photovoltaic modules.”
Ornit shows its strengths
Proper sub-structures and accurate installations are key success factors in solar panels being a cost effective, resource saving, alternative energy supply. This means that effective fastening of solar panels is becoming of prime importance to installers and users.
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rnit Blind Rivets offers a range of possible rivet based solutions to address this issue. Solar panels are attached onto metal frames and these frames are fixed onto roofs or on other weatherproof exposed surfaces made of various material types such as concrete, tiles or corrugated iron. As a result the joints require different performance characteristics from the fasteners, but it is essential that the fasteners create joints strong enough to resist the
wind force. Ornit’s structural and multi grip rivets are able to handle these strict joint requirements. Ornit’s solution for the steel frame structures are the high strength, structural rivets Stelock, Steelfix, Orlock, Super
Orlock, Or-Bolt and Ornilock – 4.8mm, 6.4mm, 6.5mm and 7.8mm. Ornit highlights that these powerful breakstem fasteners are ideal for this application due to their exceptional shear and tensile strengths, which create a vibration resistant joint. They are also available in a range of corrosive resistant materials - steel, stainless steel and aluminium, so the end-user may chose the material most suited to their roof type. In addition, Ornit’s peel rivet, TPR, designed especially for roof fixtures, is vibration resistant with enhanced shear values,
making it suitable for fixing steel frames to corrugated-iron rooftops. Ornit’s extensive product range offers solutions for many application types and its R&D department is always looking to design and improve products for the end-user.
Honda Yuasa chooses Amber Composites
Amber Composites has announced that it has been chosen as the prepreg provider for the Honda Yuasa Racing Team in the 2012 British Touring Car Championship (BTCC).
he Honda Racing BTCC car uses Amber prepreg for a wide variety of structural and body parts, including the front crash structure, side impact panels, door panels, under body floor and more. “Continuing the technical collaboration started in 2011 with Amber Composites is of great benefit to the Honda Racing BTCC team. It allows us to continue to use Amber’s wide range of high quality composite materials
throughout the production of our car and associated parts, and lets us call upon Amber’s experience for advice on product usage in patterns, tooling, and the production of parts themselves,” said Peter Crolla, team manager, Team Dynamics Motorsport Ltd. “We’re very pleased to continue our partnership with the Honda Yuasa BTCC team,” said Adrian Hughes, market sector
manager motorsport and automotive at Amber Composites. “Their quality and professionalism is evident both on the track and behind the scenes, and we’re proud to be working with them.”
n example of this high quality and long service life is the firm bonding of the frame that holds the modules together. Lohmann GmbH & Co KG has introduced a framing tape, DuploCOLL adhesive tape, which can be used when the module is assembled to produce a strong and long lasting bond between the frame and the module. DuploCOLL is a
124 Fastener + Fixing Magazine • Issue 75 May 2012
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