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3M’s Make-in-India solution for managing NVH levels in new EVs and Hybrid vehicles – Times of India


As the world transitions in direction of new mobility platforms comparable to Electric Vehicles and Hybrid Vehicles, element necessities are additionally seeing a shift in a number of facets. Today, automotive element producers are specializing in producing clever options that improve the mobility expertise of at the moment’s vehicles in phrases of drive, experience consolation, person interface, leisure and extra. One such vital parameter of a car is its Noise, Vibration and Harshness (NVH levels) that determines the standard of a car’s experience.

3M India R&D Centre, Electronic City, Bengaluru

For this purpose, in 2017, 3M India developed an indigenous acoustic insulation product referred to as ‘MuPhony’ that featured a ‘Fibrous+Liquid Acoustics Based’ multi-layer insulation product and commercialised it in 2018. However, MuPhony was primarily designed to swimsuit diesel vehicles and in 2019, the element maker developed the Integrated Absorptive Barrier (IAB) that supplied higher NVH management in a greater variety of vehicles.
Dhriti Sunder Bhattacharya, Senior General Manager, 3M India (R&D) says, ‘A noise performance solution must have provisions related to noise barrier performance, it must have some sort of absorption performance as well. With the IAB solution, we are able to cater to the requirement of both diesel and petrol sectors together. We are currently evaluating and tweaking the system for use in EVs and Hybrid vehicles as well.’

Dhriti Sunder Bhattacharya, Senior General Manager, 3M India (R&D)

Dhriti Sunder Bhattacharya, Senior General Manager, 3M India (R&D)

Approach in direction of EVs and Hybrids is just a little totally different, you might want to have a look at motor noise, its tonal noise and different facets which are totally different from an ICE engine car. The calculations are fully totally different, measurement standards and parameters are fully totally different. EVs additionally include the problem of warmth and security and the event of thermal and acoustic supplies must be achieved with that in thoughts. Bhattacharya added.
Overall in phrases of an EV, an NVH acoustic solution wants to manage street noise, tyre noise, electrical-motor noise, wind noise and ancillary system noise. That is the place 3M India works with their clients (OEMs) and exams new or current vehicles with its personal IAB solution for optimum NVH efficiency at their R&D centre in Bengaluru’s Electronic City. An relevant noise solution must be efficient, sustainable and mild weight to be commercialised.

Ravindra Jakareddy, Country Sales Manager, 3M India

Ravindra Jakareddy, Country Sales Manager, 3M India

Ravindra Jakareddy, Country Sales Manager, 3M India says, ‘You want to grasp how the R&D course of evolves when growing such an acoustic efficiency solution. We pitch ourselves as a price provider and are value agnostic. When growing a solution for a car, what issues is the section in which it’s getting launched, what are the OEMs aspirations after which level, we work alongside OEMs in providing tailor made options. An entry degree hatchback and a premium SUV can not have the identical solution. Above all, it additionally issues at what value bracket the OEM desires to pitch the car into the market. Our acoustic solution must cater to all these facets. How we differentiate our worth, not solely is determined by the merchandise that we’re promoting but in addition on the method that we provide to OEMs.

3M India acoustics insulation microfiber

3M India acoustics insulation microfiber

Currently, electrical and hybrid platforms are applied sciences which are extra sustainable however costlier than ICE powered vehicles too. Having a made-in-India acoustic solution that may be tailor-fitted to swimsuit OEM wants and performs properly, will certainly assist maintain EV and Hybrid car prices in examine. While 3M India didn’t share precise mannequin names that at present function IAB options in India, they did trace in direction of prime promoting hatchbacks of the nation. The firm additionally plans to take the newest iterations of the IAB solution to international markets very quickly.





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