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P.J. PRAUSE DUROTEC GMBH
Germany
S-Ply® is the registered name for composite leaf springs that are manufactured by Prause Durotec. The reinforcing material has a strictly parallel-oriented, non-interlaced glass or carbon fibre structure. The fibres are neither pre-stretched nor bent. In contrast to metallic materials with an isotropic structure, they are direction dependent and therefore can be aligned to suit the material structure. Epoxy resin compounds are used as binding agents. Their special balanced composition ensures high adhesion to the glass fibre surface, resulting in optimum dynamic and electrical properties. The ratio of matrix resin and reinforcement fibres has been chosen to profit from all of the benefits offered by the raw materials selected to form the composite material. The matrix fulfils a number of important tasks. It provides fixing for the fibre in the desired arrangement and supports it against buckling when under compressive stress. In addition, it has good load carrying and transmissio
Request for a quoteP.J. PRAUSE DUROTEC GMBH
Germany
S-Ply® is a glass-fibre composite material that is suitable for the highest dynamic requirements. The load carrying and supporting material is a strictly parallel-orientated, non-woven, glass- or carbon-fibre laminate (UD-prepregnated). The glass-fibres are not stretched and not bent. In contrast to metallic materials with an isotropic structure, they are direction dependent and therefore can be aligned to suit the material structure. Epoxy resin compounds are used as binding agents. Their special balanced composition ensures high adhesive to the glass fibre surface, resulting in optimum dynamic and electrical properties. The ratio of matrix resin and reinforcement fibres has been chosen to profit from all the benefits offered by the raw materials selected to form the composite material. The matrix fulfils a number of important tasks. It provides fixing for the fibre in the desired arrangement and supports it against buckling when under compressive stress. In addition, it has g
Request for a quoteP.J. PRAUSE DUROTEC GMBH
Germany
Substitution of steel spring by S-Ply® leaf spring Due to their greater spring action, steel spring packages can be replaced by fewer or even one S-Ply® leaf spring for many applications. Example: a) Substitution b) Cost calculation Steel leaf spring: 155 x 25 x 2 mm 1 package of 10 springs S-Ply® leaf spring: It is essential: with: hS-Ply = Thickness of S-Ply® spring hStahl = Thickness of steel spring nStahl = Amount of steel springs EStahl = Modulus of elasticity (here 210.000 N/mm2) ES-Ply = Modulus of elasticity of S-Ply® leaf spring (here 28.000 N/mm2) The result is that 10 steel leaf springs with a thickness of 2 mm each can be replaced by only 1 S-Ply® leaf spring with the thickness of 8,5 mm. Steel leaf spring* 10 pieces at 1,20 € = 12,00 € Intermediate package layers 18 pieces at 0,12 € = 2,16 € Total costs 14,16 € * purchase quantity > 1000 pieces, status 2009 S-Ply® leaf spring** 1 pc. at 4,13 € = 4,13 € shim plates (if applicable) 4 pc. at 0,12 € = 0,48
Request for a quoteP.J. PRAUSE DUROTEC GMBH
Germany
The laminated epoxy-fiberglass material Scotchply™, developed and patented in 1954 by the 3M company, has been processed by Prause Durotec into high performance leaf springs since 1974. Today, using the same improved fibre reinforced composite material, Prause Durotec processes and distributes composite leaf springs under the protected and registered product name S-Ply®.
Request for a quoteLESJÖFORS INDUSTRIAL SPRINGS & PRESSINGS GMBH
Germany
Wire forms can have a shape that is limited almost only by fantasy. Many of them have some kind of spring functionality, for example some quick fastening applications. In most products, the material is stressed in bending and they can be looked upon as leaf springs made from wire. Wire forms are manufactur
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P.J. PRAUSE DUROTEC GMBH
Germany
It is possible to have square as well as round shapes, drilled holes and slots from Ø2 – Ø30 mm, with counter bores and tapped holes. To reduce stress concentration and shearing stress when mounting, we recommend the reinforcement of the clamping areas by fixing glass reinforced laminate (GHGW) plates. GHGW-reinforcement plates can be purchased loose or attached to the leaf spring. A special two-component adhesive is applied for the bonding. Following images indicate possible spring shapes:
Request for a quoteLESJÖFORS INDUSTRIAL SPRINGS & PRESSINGS GMBH
Germany
We have over 150 years spring manufacturing experience, and today produce the world’s largest range of coil springs for the automotive aftermarket. In addition to replacement coil springs, we also stock market leading ranges of Gas, Leaf and Sport springs.
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Leaf springs - Import exportNumber of results
8 ProductsCompany type