Mobile climate and road simulators help knock out squeaks and rattles

At Ford’s mobile labs, vehicles in development are subjected to simulated rough terrain and road surfaces, as well as to extreme differences in humidity and temperature to help detect and minimise squeaks and rattles.

Autocar Pro News Desk By Autocar Pro News Desk calendar 26 Feb 2016 Views icon3342 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp

Ford is using mobile climate and road simulators to minimise to minimise squeaks and rattles in the all-new 2017 F-Series Super Duty pickup.

Rigorous testing with this equipment includes some of the most extreme conditions imaginable. The simulators are known as Transportable Environmental Four Posters, in reference to their 18-wheeler portability and four-point road simulators that sit under each wheel when a vehicle is in the chamber. Ford is the only automaker to use these mobile simulators.

“Mobile climate and road simulators are absolutely key to finding unwanted noises in the early stages of vehicle development,” said Craig Schmatz, Ford F-Series Super Duty chief engineer. “Extreme climates and terrains are especially known for bringing out squeaks and rattles. Identifying and mitigating these noises long before a vehicle goes into production is one more way Ford is working to deliver great vehicle quality.”

In these mobile labs, the carmaker puts prototype vehicles through their paces on all manner of simulated terrain and road surfaces, as well as in extreme humidity and temperatures ranging from a bone-chilling 20 degrees below zero to a blistering 120 degrees Fahrenheit.

Thanks to the portability of these simulators, Ford can move them all over the world to test prototypes wherever and whenever a vehicle is undergoing development. To test the all-new Super Duty, Ford moved one of the simulators to Kentucky Truck Plant, which has produced more than 5 million Super Duty trucks since the vehicle was introduced in 1999.

Before the first all-new Super Duty charges off the line, it will have logged more than 12 million cumulative miles of testing – more than any of its predecessors.

Controlled environment facilitates comprehensive testing
These initially patented mobile climate and road simulators help Ford ensure quality in a way that’s as unique as it is innovative. The ability to perform tests on-site at Ford facilities is immensely more efficient than sending a vehicle to another location and waiting for results. Prototypes undergo testing all the way to production, with the controlled environment allowing trained experts and advanced audio-sensing equipment to identify the causes of noise.

For each vehicle launch, climate and road simulation testing is overseen by a Ford launch engineer and a plant vehicle team engineer who work diligently to prevent squeaks and rattles; for Super Duty, this was Abdul Mohammed and Dave Massengill, respectively. This testing is part of the company’s focus on quiet quality – a motto boldly emblazoned on each of the eight simulators as a reminder.

“Ford takes its commitment to delivering quiet quality seriously – devoting a lot of resources to deploying the best people and tools,” said Vy Tran, Ford North American launch supervisor for squeak and rattle testing. “Ford’s approach to testing for squeaks and rattles, both for Super Duty and other vehicle launches, helps the company put customers behind the wheel of vehicles they can enjoy with their ears as much as their eyes and hands.”

Ford worked with suppliers and other companies to develop the Transportable Environmental Four Posters, which have now been used for more than 100 global vehicle launches.

Aside from full-vehicle testing, the company also performs component-level testing to help limit squeaks and rattles. For instance, the company subjects instrument panels to shake testing on custom stands called Transportable Instrument Panel Sound Testing Evaluation Rigs.

“Simulator technology has come a long way in helping to reduce noises in vehicles,” said Timothy Wittrock, Ford North American current model supervisor for squeak and rattle testing. “Transportable Environmental Four Poster technology has been instrumental in reducing squeaks and rattles under various operating conditions to deliver a whisper-quiet driving experience for customers.”

Also read:

Ford’s new LED light guided by human psychology

Ford test centre in Belgium replicates effects of worst potholes in the world

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