Lightweighting and cost reduction through the use of plastics around automotive ECUs [ECM measures].
- Heat-conducting resin molded products - Heat dissipation and electromagnetic wave shielding resin molded products
Currently, metal housings/cases are mainstream for vehicle-mounted ECUs. By changing this to resin, weight reduction and cost savings can be achieved.
In-vehicle ECUs typically use metal cases made of aluminum or copper. While metal shielding ensures robustness and excellent EMC measures, it poses significant challenges in terms of weight and cost. With the electrification of vehicles, the imperative of "how to lighten the body and extend the driving range" is unavoidable, and the demand for lightweight solutions is high. Sekisui Techno Molding's approach enables weight reduction by converting from metal to resin (approximately 45% reduction for the same shape). It also allows for design freedom through resin molding and cost reduction via mass production. While many resin products are inferior to metals in terms of heat dissipation and electromagnetic wave (noise) control, Sekisui Techno Molding's resin products ensure these functions. ■ Thermally conductive resin molded products (focused on heat dissipation) - Reduction of product temperature rise through heat diffusion - Weight reduction, improved design freedom, and mass production by replacing metal products ■ Heat dissipation and electromagnetic wave shielding resin molded products (balancing heat dissipation and electromagnetic wave shielding) - Reduction of product temperature rise through heat diffusion - Electromagnetic wave shielding performance through conductivity - Weight reduction, improved design freedom, and mass production by replacing metal products With Sekisui Techno Molding's comprehensive system, we consistently support our customers from planning and prototype development/verification to mass production and sales to realize their ideals.
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■Thermal Conductive Resin Molding Products ・Realization of high thermal diffusivity in the horizontal (plane) direction ⇒ Thermal conductivity: 26 W/(m·K) ・Realization of high rigidity (compared to general-purpose PP resin) ⇒ Bending strength: 52 MPa ■Heat Dissipation and Electromagnetic Wave Shielding Resin Molding Products ・Realization of high thermal diffusivity in the horizontal (plane) direction ⇒ Thermal conductivity: 14 W/(m·K) ・Realization of electromagnetic wave shielding (electric field) ⇒ Surface resistance: 10^-1 Ω
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■Vehicle-mounted camera housing ■Millimeter-wave radar housing ■Meter cluster ■Heat dissipation fins ■Inverter cover, DC-DC converter cover ■OBC case ■e-Axle ■ADAS components ■AD components ■Shield plate ■Others, ECU case
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Since its establishment, Sekisui Techno Molding has primarily focused on injection molding, supplying products to various industries, including the automotive sector. With the principles of "customer-oriented," "quality-focused," and "environmentally conscious," we aim for manufacturing that is aware of the trends of the times. We are also committed to further evolving our core molding technology and focusing on the development of high-performance resin products, civil engineering materials, and environmentally friendly products. We aspire to be a company that contributes to society.
