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Garrandale Engineering has worked with UYS to develop a bespoke air decay test machine, which is used by the exhaust manufacturer to test the integrity of the weld on all of the exhaust systems it produces.

A leaking exhaust can lead to toxic fumes entering the passenger compartment, so it is vital that the testing procedure has no margin for error. A commonly used leak test solution is air decay leak testing, which is an economical and quantifiable method of testing whether a product passes the specified leak limit.

While this is a common type of machine that carries out an industry-recognised test, the need for a bespoke system came from the fact that UYS, which manufactures the exhaust systems for the vehicles that come off the Honda production line in Swindon, are required to test a number of exhaust systems for different vehicles.

As a result, Garrandale provided a solution that incorporated a range of interchangeable tooling modules that utilise a quick-release system. In the short term, this allows the modules to be changed quickly and easily for each different exhaust system, saving valuable time in the testing procedure.

It also provides a long-term solution as any future changes to the vehicle model or component can be accommodated through new tooling rather than having to buy a brand-new machine.

Key benefits of product application

  • Garrandale has now supplied eight air decay test machines to UYS, together with three additional air underwater test machines, which are used for the detection of zero leaks on the integrity of welded parts.
  • The systems provide a thorough test solution that eliminates the margin for error. This gives the additional benefit of quicker turnaround times for the operator.
  • The resultant reduction in the cost of the testing procedure is also proving significant.

Garrandale combines innovation and the latest technology with traditional engineering skills to provide engineering solutions to the rail industry and a host of other diverse areas, from rail industry operators to the European Space Agency (ESA) and every sector in between.

We can do this because we have the flexibility to adapt to the needs of our customers; to draw upon our extensive experience to design and deliver intelligent solutions to their engineering needs. From simple fabrications to high specification, safety critical components for the transportation, petrochemical, oil and gas industries, Garrandale delivers solutions on time and within budget.

For the rail industry Garrandale manufactures Train Washes, CET Systems/CET Tanks, Fuelling and Lube Systems, and monitoring/Reporting equipment – this is in addition to vehicle modifications/repairs and maintenance. The rail industry comes with its own unique challenges, but at Garrandale we believe that for every challenge there is a solution, and it is through our commitment to innovation that we are able to provide solutions which enable the industry to meet and exceed targets.

This has spilled over into specialist engineering where we are supplying solutions in many different markets – the breadth of engineering challenges means that the scope for innovation is great. Today we supply to the broadest range of customers imaginable and recent projects include special purpose machinery for manufacturing Super Conducting Magnets for use in body scanners, leak test machines for exhausts in the automotive industry, winches fitted to tractors for feeding cables between pylons and high accuracy fabrications for use in Coordinate measurement machines.

Garrandale's success lies in its innovation and everything the company does is about continuous improvement in order to reduce costs and improve efficiencies, avoiding the 'one size fits all' approach. In fact, at Garrandale, we treat each customer as an individual and find a bespoke solution to solve the problem.

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