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Leaf spring - List of Manufacturers, Suppliers, Companies and Products

Leaf spring Product List

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GFRP leaf spring for automobiles

GFRP leaf spring for automobiles

Lightweight (from steel to GFRP composite), GFRP leaf springs with cost advantages due to fully automated mass production.

Nearly 1 million units produced annually. Fully automated mass production at the SGL factory in Austria. SGL Carbon handles everything from spring design, development, production, to quality assurance. Adopted by European automotive manufacturers (passenger sedans & wagons, commercial vans) and American automotive manufacturers (commercial vans, pickup trucks). Please contact us if there are joint development projects with Japanese automotive manufacturers or spring manufacturers.

  • Composite Materials

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Tapered leaf spring

Tapered leaf spring

Contribute to improving fatigue strength and rust resistance, as well as achieving uniform stress! Please utilize this for lightweighting methods.

At Sumihatsu Co., Ltd., we handle "taper leaf springs." We are capable of processing ultra-thick taper leaves. Additionally, through high hardening and enhanced stress peening, we aim to improve fatigue strength. By reducing the weight of the laminated leaf springs, we can achieve cost reductions, and the decrease in the number of leaves allows for a reduction in inter-leaf friction. 【Features】 ■ Using a pull-forming type rolling mill, we can achieve uniform stress or constant deflection rolling. ■ We can accommodate plate thicknesses of up to 50mm. ■ High hardening and enhanced stress peening improve fatigue strength. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other machine elements

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