To improve the efficiency of the next-generation e-axle, Trelleborg Sealing Solutions has developed the new HiSpin® seal.
The rapid spread of electric vehicles has begun, and it is said that by 2030, up to 40% of all vehicles will be electric. This requires the establishment of technology that can expand the driving range on a single charge. One of the focus areas in this regard is the improvement of e-axle technology efficiency. To enhance the efficiency of the next-generation e-axle, the technical staff at Trelleborg Sealing Solutions has developed a new HiSpin® seal. For more details, please visit our website. https://www.tss.trelleborg.com/ja-jp/products-and-solutions/latest-innovations/hispin-for-e-mobility
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The e-axle, a key technology in electric vehicles, is a unit that combines an electric motor and a gearbox, and various demands have been raised regarding seals: • The contrasting operating environments within the e-axle: Reliable sealing technology is required to combine the electric motor and gearbox within a single housing. This is because, while the electric motor requires a dry environment during operation, the gearbox needs sufficient lubrication. • Extremely high rotational speeds: Currently, electric transmissions operate at 15,000 to 16,000 RPM (4 to 8 times the speed of gasoline vehicles), and it is said that this will double in the future. • Limited lubrication conditions: Under operating environments with very little or no lubrication, seals are exposed to high friction and stick-slip, which can potentially cause wear and early failure, ultimately leading to reduced mileage. • Chemical resistance of seal materials: Various lubrication methods are used in electric drive systems. This requires seal materials to not only have resistance to the fluids used but also to function effectively.
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Electric vehicle
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Company information
【Company Overview】 Trelleborg Sealing Solutions (TSS), a subsidiary of the Trelleborg Group, which has been leading the global polymer products sector through innovation and new product development for over a century, is the Japanese entity of the company. It has over 60 sales locations worldwide, 11 R&D centers, 36 manufacturing sites, and 7 logistics centers. We offer a wide range of products, including high-performance PTFE seals for general industry and automotive applications, mass-produced elastomer seals, airframe and engine seals for the aerospace sector, as well as liquid silicone products and silicone tubes for the healthcare and medical fields, all made from over 2,000 unique materials.