The use of composite panels and structures in the Aero, Auto, Marine, Construction and other core industries is growing rapidly. These new materials - utilising carbon fibre, GRP, glassfibre, thermoplastic, wood and alloy outer skins - are typically bonded to honeycomb, block, foam or solid core materials.
BigHead has supplied its unique thin-head fasteners to industry for 40 years. A technical partnership with Caparo Vehicle Products has now provided the composites knowhow to perfect an entirely new, high-performance fastener for composite materials. The 316 stainless steel TwinDisk, with its simple, strong design and unique BigHead weld technology, provides a rapid and efficient fastening point anywhere in a structure. BigHead's own BigBond adhesives complete the system; for maximum strength, the 2-part FS Acrylic version is recommended for all types of composite materials. |
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| The Twindisk has two heads, or disks, joined by an internally-threaded collar or a threaded stud. A hole is drilled into the panel; adhesive applied; and the Twindisk pushed into the cavity. The bottom disk is glued to the bottom skin, and the top disk to the top skin (rebated or surface-mounted). Tensile, shear and lateral loads are efficiently transferred to both skins. Male versions are supplied with adjustable top heads, fitting depths from 5mm to 100+mm. Threads are M4 to M16 (male or female). Head diameters are 20mm, 30mm and 40mm; other sizes can be supplied. Full details of the TwinDisk are at www.bighead.co.uk |
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Contact - Terry House - terryhouse@bighead.co.uk
Tel. (+44)1202 574601
Website: www.bighead.co.uk
March 2007 |
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