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The joint between the motor and gearbox in an e-axle or transmission system similar to it would be a typical application for an elastomeric sealant in electric vehicles.
An elastomer known as ethylene propylene diene monomer is frequently used to seal cooling systems that use a mix of water and glycol.
Due to the high tolerance compensation requirements of this application, thermoplastic elastomers are preferred.
Due to their high electrical breakthrough strength, silicone rubbers are the material of choice for seals that come into contact with high-voltage cables.
Manufacturers of electric vehicles are adopting new or existing technologies. Heat-shielding practices and materials transferred from aerospace are two examples.
Immersion cooling systems that use dielectric coolants and are still in development for automotive applications are also examples.
Material development must keep up with the rapid and agile development of EVs as a whole.A sealant’s primary purpose is to keep essential fluids in and contaminants out, but its resistance While the core function of a sealant is to keep vital fluids in and contaminants out – and its resistance to assaults from heat, pressure, vibration and aggressive chemicals is essential to that – they also have other characteristics that can make them multifunctional.
The Global EV Axle seal Base Resistant Elastomers market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
HiSpin – E-axles, a key component of electric vehicle technology that incorporates a gearbox and electric motor into a single unit, have a number of sealing requirements: Within the e-axle, conflicting conditions exist: Due to the fact that the electric motor and gearbox share a housing necessitate a highly dependable sealant, the gearbox needs sufficient lubrication while the motor must remain dry.
Speeds of extreme rotation: Electric transmissions currently operate at 15,000 to 16,000 RPM, which is four to eight times faster than gasoline engines. In the not-too-distant future, this rate is likely to double.
Lubrication use is limited: Seals are subject to stick-slip and high frictional forces when there is little or no lubrication, which may result in wear and a shorter seal life, ultimately reducing the traveling range.
Compatibility of the seal material: The electric drive system makes use of a diverse selection of lubricants; Seal materials must be compatible with the media and work well in it.
