Bruel & Kjaer UK Ltd. - PRODUCT NEWS






Accelerate your vibration testing

With manufacturers facing constant pressure to shorten product design cycles, accelerating traditional vibration test times is a critical consideration.

Fortunately, Brüel & Kjær and HBM-nCode offer products that significantly reduce vibration test times without exposing the vehicle or component to unrealistic vibration levels.

Traditional Gaussian random test signals can’t accurately represent the ‘peaky’ vibration signals seen in the real-life use of many products. To address this, the LDS LASERUSB Vibration Controller from Brüel & Kjær offers non-Gaussian random vibration through its Kurtosis Control software.

The ability to tailor kurtosis (‘peakedness’) allows for accelerated fatigue testing that saves time, as testing with high kurtosis delivers more time at high acceleration levels. For a durability test lasting many hours, high-kurtosis testing delivers significantly more fatigue damage than a Gaussian random test.

So how do you accurately simulate the conditions that brought about your measured field data? That’s where nCode GlyphWorks® software by HBM comes in, as the only commercial software that makes it possible to quantify the fatigue of vibration testing and subsequently create a representative PSD or swept-sine shaker vibration test. nCode GlyphWorks enables the combination of multiple time or frequency domain data sets into representative test spectra that accelerate the test while matching the fatigue damage seen in the field data.

As HBM is a sister company to Brüel & Kjær under the Spectris umbrella, accelerated test spectra exported from nCode GlyphWorks are easily imported into Brüel & Kjær controllers to perform shaker table tests.


About Bruel & Kjaer
Brüel & Kjær is a world-leading manufacturer and supplier of sound and vibration solutions for use in a wide range of applications including environmental noise measurements, building acoustics, vibration measurements and quality control for use in the automotive, aerospace and consumer industries, as well as by local authorities. Today Brüel & Kjær has 900 employees and sales offices in 55 countries. Brüel & Kjær is a subsidiary of UK-based Spectris plc. (www.spectris.com). Spectris has annual sales of approximately £656m and employs around 6000 people worldwide in its 15 business units.
For more information, please contact :-

Bruel & Kjaer UK Ltd.
Jarman Way, Royston, Herts. SG8 5BQ. UK
Tel: +44(0) 1763 255 780
Fax: +44(0) 1763 255 789
E-mail:
ukinfo@bksv.com
Website: www.bksv.co.uk

March 2011

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