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    Chassis Trucks
    corrosion_experts

    Chassis

    The truck chassis plays a key role: it consists of numerous components that form a complex whole that is responsible for aspects such as driving dynamism and safety. Technically sophisticated and safety-relevant systems are therefore essential.

    Exemplary Components

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    Fastening ElementsSpringsABS Counters

    Fastening elements such as undercarriage connections, nuts and bolts are used in many different forms and geometries in truck undercarriages. They are required to withstand high temperatures and mechanical stresses, as well as maintain defined fastening parameters against various surfaces.

    For example, the numerous springs in the brake system of a truck have various different dimensions, designs and functions. These are responsible for the vertical vibration behavior and help to compensate potholes or unevenness on the road surface.

    ABS counters are fitted to the brakes and are required to withstand very high temperatures during the braking process. The component is very delicate and can therefore only be coated with a very thin protective coating.

     

    Requirements

    • Corrosion protection after stone impact (1,000 h as per DIN EN ISO 9227)
    • Coloring (silver or black)
    • Defined coefficients of friction
    • Manufacturer alternating corrosion tests
    • Chemical resistance
    • Stone impact resistance
    • Temperature resistance

    Solutions

    Various coating systems can be used to create capable corrosion protection for components in the chassis. In addition to purely zinc flake systems, individual combinations of special DÖRKEN base coats and organic or inorganic topcoats can also be used, depending on operating conditions with zinc flake coating protective effects can be achieved using only extremely thin coats. No hydrogen is generated in the coating process, with the result that no application-related, hydrogen-induced stress corrosion cracking occurs. One particular advantage of the zinc flake system is that it can also be used in components with complex structures and cavities. In addition, zinc flake systems also meet the specifications of the manufacturers’ own driving tests, thus meeting the increasingly high quality requirements of the manufacturers.

    Contact

    Do you have any further questions? We will be happy to help you.

    Rick Babik Chief Sales Officer rbabik@doerken.com T +1 517 522 4600
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