Fastening & Assembly Solutions & Technology July 2012

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FAST JULY 2012 FASTTAILPIECE A different slant on secure fastening A few years ago Tappex developed a bespoke, threaded fastening solution for a Home Office application used to secure lavatory seats to their cisterns in Prisons. Reportedly, there had been occurrences of the traditional fastening being undone and the seat becoming a loose item useful in the projection of inmates frustrations when subsequently either thrown at each other or prison staff. The Tappex solution involved a shear nut which left a 58 tamper-proof fastening for the seats. It has since been trademarked Vandlguard and subsequent applications have included the secure retention of high value electronics and telecoms equipment, security barriers and fencing. The product is machined from a solid female threaded sleeve consisting of an inverted cone section blending into a hexagonal nut-form. The installer runs the Vandlguard along the length of a Spring innovation helps motorcycling veteran Justin Rokohl is a US war veteran who was injured while on active service in Afghanistan. Justin had a childhood dream that one day he would own and ride a motorcycle. Once his tour of duty as a marine was completed, he would have the funds to buy his dream machine but then came the rude awakening of the roadside bomb incident which put paid to his military career and effectively ended his biking ambitions. But not so because thanks to an innovative product called LegUp LandinGear designed and supplied by motorcycle specialist Chopper Design, Justin is still able to enjoy motorcycling, despite losing both his legs. The landing gear was designed to help disabled riders or those with knee or hip problems, to be able to support a heavy motorcycle at slower speeds. If the rider is unable to balance the machine for himself, a set of small wheels automatically deploy as the cycle slows down to speeds below 8MPH, making riding safe even for those with physical disabilities. LegUp operates using torsion springs (arrowed on picture) which were specified when Lee Spring Engineering worked on the design in its development stages. The project is described in a video courtesy of Design World Magazine, which can be found at: http://www.youtube.com/watch? v=LDpmO4ZguUo LEE SPRING 0118 978 1800 male thread until the cone makes contact with another surface. The nut section is then used to continue to build a clamping force but at an approximate pre-determined torque, the nut will shear leaving the inverted cone section onto the male thread. In practice it is impossible to remove the cone by hand or even with simple tools. Cutting equipment or a strong pipe wrench are the only way to shift it. TAPPEX 01789 206600 £100 CASH QUIZ! Win a cheque for £100 from the publishers of FAST Magazine! Submit your answers by faxing this completed entry to us on 0845 280 1587 or emailing them to quiz@fastmagazine.co.uk with your name, job title, company name and contact number. A draw from all correctly answered entries will be made in the FAST Magazine office on 1st September and the winner notified by phone and email. The winner will also be announced in the next issue of FAST Magazine, published in October 2012. 1. Which aero engine manufacturer made a name for its sleeve valve engines in the 1930’s? Pratt & Whitney Bristol Rolls-Royce 2. Where was legendary F1 figure Sir Frank Williams born? Fakenham South Shields Dartford 3. Michael Rutter won a TT title in June this year at an average speed of 104mph. What powered his machine? Ethanol Petrol Electricity 4. Where was the world-famous clipper the ‘Cutty Sark’ made? Tyneside Dumbarton Southampton 5. In 1891 future car maker Henry Ford took a job as an engineer at which company? Detroit Stamping Co Thomas & Ford Shipping Co Edison Illuminating Co 6. Which distinguished fighter and test pilot left a legacy in his name that still helps young people carve a career in aviation today? Roland Beamont John Cunningham Eric Brown Last issue’s winner was Brian Gerrard, Engineering Manager, Lostock Engineering. Congratulations Brian! The correct answers were: 1. Cheese was once made in what subsequently became the JCB factory. 2. Marie Curie was born in Poland. 3. Fairey made the aeroplane which Peter Twiss piloted to a new world air speed record in 1956. 4. Professor Sir Magdi Yacoub is a world famous heart surgeon. 5. Rudolf Diesel’s engine was granted patent number 608,845 on 9th August 1898. 6. Andre Citroen’s father was a diamond merchant. Our thanks to the many readers who entered.
exhibition Fasten it Fix it IASE INDUSTRIAL ADHESIVES, SEALANTS & ENCAPSULANTS exhibition Bond it Seal it VISIT IT! National Motorcycle Museum Birmingham 18th October 2012 www.fastenerexhibition.com Complimentary bacon roll and brew on arrival PLUS FREE Museum pass valued at £8.95 if you pre-register in advance* *T’s & C’s apply see website for details
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Fastening & Assembly Solutions & Technology July 2012

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