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By Mark Swanson on  1/29/2019

Say Goodbye to Shake, Rattle & Roll: Solutions for Reducing NVH

Say Goodbye to Shake, Rattle & Roll: Solutions for Reducing NVH

“Shake, rattle, and roll” may be a good thing when it comes to dancing to the blues but unwanted noise is rarely appreciated in products we use and buy. Consumers increasingly desire quieter cars, home appliances, and other devices. They want to run the dishwasher while watching television in the next room and to drive without noisy distractions.

It is not surprising then, that industries such as aerospace, medical, HVAC, home appliance, automotive, and more, have made reducing noise, vibration and harshness (NVH) a priority. In order to address unwanted noise, however, one must first understand what sound is and how it is transmitted in parts and products.

What is Sound and How is it Related to NVH?

Sound is either airborne or structural. Frequencies are transferred through:

  • physical contact with a product (vibrations), or
  • through the air, as sound waves make contact with us (radiated sound).

Noise, vibration, and harshness (NVH) is either unwanted sound (noise) or oscillations that are felt rather than heard (vibration), and the severity and discomfort associated with those unwanted sounds or vibrations (harshness).

Today, noise, vibration and harshness can affect the quality, longevity, and safety of parts and products across industries. Car engines and parts must be able to withstand mechanical shocks with little wear and tear. Dishwashers and refrigerators must run quietly enough to watch television in the next room. Safety equipment, like airbags, must be able to respond to particular vibrations that signal danger and trigger action.

Die Cut Solutions for Reducing NVH

A wide array of gaskets, seals, foams, surface protectants, tapes and other die cut parts and materials help to dampen and eliminate sound and vibration in a variety of applications and environments. Selecting the right materials to address NVH is vital to meeting customer demand and preserving an organization’s competitive edge.


If you are trying to solve for.. Consider…

Vibration in heavy objects where weight isn’t an issue

Closed cell, dense material (e.g., high density microcellular foams) to block both vibrational and radiated sound.  Examples include Rogers Poron® , and many K Flex® materials.

Radiating sound in applications requiring light materials

Open cell, light, loose fill material (e.g., fiberglass or cotton insulation) to absorb or dissipate sound without weighing a product down.  Examples include AIM Autozorb™ and 3M Thinsulate™.

Vibrational sound issues in lightweight objects

Low density, closed cell materials (e.g., PVC or neoprene) to allow for seals around irregular surfaces or compressibility.  Examples include Gaska Tape PVC®, and Volara PE® foams.

The experts at JBC Technologies bring decades of expertise in flexible materials converting and  precision die cutting to help manufacturers mitigate a variety of noise control challenges. From material selection, to design, production, testing and more, we are here to help ensure you select the right materials and products for your application.  Contact us today to learn more about the products and services we offer to help overcome challenges related to NVH and BSR.

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