As a driver of technological innovation, the automotive industry makes high demands of new materials and their quality. In almost all of the systems in today’s automobiles, compounds increase the performance of components or help to reduce weight and save fuel. Thanks to decades of experience with materials for functional parts and components, we are able to support you with advice in all issues of material selection. Consequently, using high-temperature resistant, high-strength and tribologically optimized compounds, we are able to produce components in plastic for very heavy-duty use. We have reference clients for all relevant assemblies and support you from development through to series production.
The advancing architectural change being experienced by the automobile is leading to a necessity for substantial changes, which also affect the materials used to date. Many vehicle systems are currently being called into question. Suspension systems, which belong to the vehicle exterior segment, will, however, also be retained as electromobility continues to develop.
One interesting example concerns the (front) suspension strut bearings in passenger cars and light commercial vehicles. Efforts are currently underway to replace the previously used and customary roller bearings in these components with more cost-effective and lighter friction bearing systems based on highly developed plastics optimised for slip and wear. Work is being conducted on the use of tribologically optimised materials in order to replace roller bearing units by suitable friction bearing systems in this complex application. Here particular significance is attached to avoidance of the stick-slip effect accompanied by noise generation. Technologically highly developed LUVOCOM materials, as multi-phase tribomaterials, are already capable of meeting the challenge posed by such systems. In addition to the tribological properties demanded, they also meet the requirements for the necessary impact strength and creep resistance, while contributing substantially to a reduction in system costs as well.
An extensive portfolio is available for material selection. If necessary, materials can also be individually adapted. On our side, an experienced team of project and development engineers is ready to assist.
To supplement the LUVOCOM materials, we also offer materials for the so-called top caps, the spring carriers and additionally for top mounts. The extended LUVOTECH range offers new opportunities in this area. LUVOTECH ECO comprises compounds based on regranulate that are subject to quality monitoring and are offered to implement systems optimised in terms of function and costs with a reduced CO2 footprint.
Through the use of high-temperature resistant polymers and with the addition of suitable reinforcing materials, plastics exhibit high mechanical strengths even at elevated temperatures. This technique even makes it easy and cost-effective to produce parts of the engine compartment and drive train subject to heavy loads. Temperatures of up to 320 °C are possible even in continuous operation.
Components in a car have to be increasingly efficient. High strength with low weight is important for reduced fuel consumption. Compounds with fibre reinforcement, particularly our carbon-fibre reinforced LUVOCOM® compounds, offer precisely these properties – they are additionally electrically conductive. These compounds have been used for years in a range of applications within the automotive sector. Examples of applications for such components: engine-air management, transmissions, roof systems, steering and lighting.
Many moving parts in a car are subject to high loads. During operation they must not wear and have to exhibit certain coefficients of friction. By adding lubricants and reinforcing materials such as PTFE, graphite, nanoadditives, carbon fibres and aramid, we significantly improve the tribological properties of thermoplastics. Tribologically adjusted LUVOCOM® compounds have deposits of lubricant, which saves on expensive and time-consuming steps of additional surface lubrication. These compounds are therefore not only suitable for self-lubricating bearings, but also for all multifunctional applications in which good slip characteristics and low wear are important. In tribological systems, the dry-running properties of these materials come to the fore and thus increase the safety level for designer and user alike.
Ball cup made of LUVOCOM® PBT, fibre reinforced, lubricant modified
Contact washers made of various LUVOCOM® compounds, fibre reinforced, lubricant modified
Electrically conductive compounds are used in areas such as fuel management and infotainment. They prevent static charges in fuel-carrying components such as connectors or around the tank filler neck. In switches, electrical conductivity enables innovative solutions for applications such as capacitive systems.
Thermally conductive compounds prevent the overheating of components such as LED headlights and electrical systems. This is where plastics offer the advantages over metals of lower weight, functional integration and often reduced costs. The thermal conductivity is adjusted according to the application.
Your personal contact
Thomas Collet
Director Marketing
Phone: +49 40 44197 412
thomas.collet@lehvoss.de
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