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Speciality lubricants that get along well with plastics – the secret of a lasting relationship

September 24. 2014

Speciality lubricants that get along well with plastics – the secret of a lasting relationship

Klüber Lubrication at IZB 2014 in hall 5, stand 5100

Munich, 24th September 2014 – In the development of cars, components made of plastic are playing an ever bigger role due to their versatility and low cost, and because they reduce the total weight of a vehicle considerably. Every time moving parts made of plastic are developed, the lubricant needs special attention as the combination of different chemical substances is always a potential source of undesirable reactions. This is why for its participation in the IZB 2014 Klüber Lubrication has chosen the motto "The secret of a lasting relationship - speciality lubricants that get along well with plastics".

"It is especially with components that are relevant for safety, such as brakes or steering, that a matching lubricant is required for trouble-free operation, because unsuitable lubricants can affect the mechanical properties of plastic parts", explains Jens Quaas, Business Unit Automotive Industry at Klüber Lubrication. "A speciality lubricant customised for the application at hand can even help to counteract harmful influences, such as moisture or temperature fluctuations, and retard the material's ageing process. It is therefore important to have a lubrication expert like Klüber Lubrication involved at an early stage of the development process."

It takes an expert to develop a lubricant that is compatible with plastics.

Electromechanical steering and braking systems have to work reliably even under extreme operating conditions. Tribologists must take into account various factors when developing lubricants for these applications. One example is the drive gear of an electromechanical steering system. Consisting of a steel worm and a wheel made of polyamide, it may be fitted either in the engine compartment or somewhere further up the steering column. Where the drive gear sits has a decisive influence on the thermal stress encountered and hence the lubricant to be used. For gears located in the engine compartment, a high-temperature grease must be used that is compatible with the gears' special plastic material, which is likewise selected for its high thermal stability. Gears mounted to a higher position at the steering column, by contrast, have to offer primarily a low friction coefficient and good wear protection. The special grease Klübersynth LE 44-31 was developed specifically for this mounting situation.

Long-term lubrication of electromechanical brakes

Electromechanical brake systems contain a variety of machine elements such as vertically mounted axial bearings, ball screws, planetary gears and worm gears. The lubricant used in the system has to perform in each individual lubrication point consisting of various materials. For the long-term lubrication of heavily loaded brake units with drive-by-wire technology, Klüber Lubrication has developed the high-temperature grease Klübersynth BR 46-82, which does not only meet the requirements of the plastic materials but does also suit the taxing mechanical conditions and permanent temperatures as well as the peaks up to 250 °C.

At the IZB, experts from Klüber Lubrication will be pleased to answer all questions regarding the lubrication of automotive components hall 5, stand 5100.

About Klüber Lubrication
Klüber Lubrication is one of the world's leading manufacturers of speciality lubricants, offering high-end tribological solutions to virtually all industries and markets worldwide. Most products are developed and made to specific customer requirements. During its more than 80 years of existence, Klüber Lubrication has provided high-quality lubricants, thorough consultation and extensive services, which has earned it an excellent reputation in the market. The company holds all common industrial certifications and operates a test bay hardly rivalled in the lubricants industry.
Klüber Lubrication, set up as a retail company for mineral oil products in Munich in 1929, is today part of Freudenberg Chemical Specialities SE & Co. KG, a Business Group of the Freudenberg Group, Weinheim. Klüber Lubrication has about 2.000 employees in more than 30 countries.

About Freudenberg Chemical Specialities
Freudenberg Chemical Specialities Munich, was founded in 2004 as a new Business Group within the Freudenberg Group, Weinheim, Germany, a family-owned, diversified technology company with a history of more than 160 years. Freudenberg Chemical Specialities has a lean, market-oriented organisation with Management Board and Corporate Functions. Its objective is to promote innovation potentials in its field of activities and to expand world-wide market leadership in special lubricants and release agents. The Business Group includes five largely independent divisions which are active in more than 50 countries: Klüber Lubrication, Chem-Trend, SurTec, Capol and OKS.

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