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John Deere Ensures Engine Reliability with Brüel & Kjær's Global NVH Tools


Machinery manufacturer John Deere has improved the design processes of its engines with PULSE Reflex analysis software.

Waterloo, IA, June 09, 2016 --(PR.com)-- The company’s engines are used for many different applications, such as harvesting forests, digging foundations or propelling ships. As each application places unique stresses on the engine-mounted components, the Noise, Vibration and Harshness (NVH) team must anticipate thousands of variables to meet the demands of the real world.

At John Deere’s Product Engineering Facility in Waterloo, Iowa, designers create new components using CAE programs. Prototype testing is also essential to reduce design risks by checking for any durability issues in the real world of mud, workers and random events.

In one case, John Deere’s European NVH team noticed interesting behaviour in a physical prototype during a specific application. “We also noticed this issue in our US-based engine model and we wanted to correlate and see exactly why that was,” said USA Senior NVH Analysis Engineer, Kristie Iverson.

Conducting comparable testing across two continents was challenging, as there are so many variables that people can select, such as software settings and test approaches. By using PULSE Reflex, it was easy for the NVH teams to share and standardise test approaches. The USA’s NVH group created an analysis chain, which included various analysis types and sent it out to other NVH engineers, who could simply drop the analysis chain into their copy of PULSE Reflex.

“After testing, the global NVH people could just stick their data on the internal network and I could run it through my software in no time,” said Kristie. “Then all my displays and all my axes are set up the same. We’re looking at the same thing, so I could be as confident looking at data collected in France as if I had collected the data myself. That’s a very good feeling. Having the confidence that I can tell my manager the very next day that the test done in France is better or worse than the one we tried in the US is invaluable.”

Information like this is easy for the CAE design group to use. “We have a good relationship,” she says. “What makes PULSE Reflex really nice is that it doesn’t matter where that data came from – from test or analysis. I post-process it the same way and we can compare the results because they are the same.”

With tight integration of testing and CAE modelling, John Deere has increased the amount of design iterations that are feasible, so they can test more ideas and - at the same time - analyse more precisely. This ensures its customers get top engine reliability, whatever their specific application or configuration - among thousands of possibilities.

The full John Deere article is available to read on Brüel & Kjær's website.

About Brüel & Kjær
Brüel & Kjær is a world-leading manufacturer and supplier of sound and vibration measurement systems.

We help customers measure and manage the quality of sound and vibration in their products and in the environment. Focus areas are aerospace, space, defence, automotive, ground transportation, airport environment, urban environment, telecom and audio.

Brüel & Kjær has an unparalleled portfolio of sound and vibration equipment and is a long-established designer and manufacturer of innovative instrumentation including sound level meters, microphones, accelerometers, conditioning amplifiers, calibrators, noise and vibration analysers, and PULSE software.

We also design and manufacture the LDS range of vibration test systems, as well as complete airport and environmental monitoring systems: WebTrak, ANOMS, NoiseOffice and Noise Sentinel.

Brüel & Kjær runs a variety of training courses - from basic introductions to noise and its effects to more specialised classes teaching customers how to get the most out of their equipment. Free online training courses, conducted by our expert engineers, run throughout the year too.

Brüel & Kjær is a subsidiary of UK-based Spectris plc, which has annual sales of £1.1bn and employs around 8,300 people worldwide across its four business segments.
Contact Information
Brüel & Kjær
Heather Wilkins
01223 389 800
Contact
www.bksv.co.uk
Jarman Way
Royston
Herts
SG8 5BQ

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