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Ways to enhance the performance of threaded fasteners

Challenge (Europe) Ltdvisit website

 

The team at Challenge Europe are experts at exploiting the adaptability of simple, rugged threaded fasteners – and it is this adaptability which brings engineers to their use. Simple to use and to provide with vibration resistance, improved sealing, load spreading or good looks by combining with a range of washer accessories to enhance the performance of the basic fastener.

Crinkle, wavy washers, coil spring washers and serrated tooth lock washers each offer anti-vibration resistance in varying degrees whilst two-piece wedge lock washers such as Nord Lock provide a much greater resistance to vibration loosening. Belleville washers provide a combined profile of characteristics by offering continuous load anti-vibration and cushioning effects.

Where liquid control is required, then a sealing ring of some sort is usually called for, often in nylon, fibre or rubber, or perhaps a composite bonded type like a Dowty washer. More specialist items such as Dubo Ring washers extend liquid sealing into pressure retention, combined with vibration resistance.

Challenge Europe are often called upon to accessorise for a decorative finish, frequently with a soft or even fragile substrate and find that something as low tech as a cup washer fits the bill in attractive finish and providing a light load spreading function.

Further information on Challenge Europe products can be found on their website at www.challenge-europe.co.uk.

05 February 2019

Challenge (Europe) Ltdvisit website
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