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QSIL Ceramics GmbH Triptiser Str. 22 07955 Auma, Germany http://www.qsil.com/
Contact Mr Toni Steiner +49 36766 868291
Company logo of QSIL Ceramics GmbH

We give structure and shape to ceramics and generate new functionalities

Ceramic axial bearings with sealing function

(PresseBox) (Frankenblick, )
Ceramic axial bearings with sealing function

The FCTI company is constantly developing the mass production processes. Here the focus is on ceramic injection molding and dry pressing. In order to further expand the value chain, we not only deal with the design, but also with the advanced manufacturing processes. Our focus for 2020 is on expanding our mechanical seal production, which is mainly in the area of axial bearings (hydraulic / pneumatic).

Where does the motivation come from?

We are permanently in cooperation with customers, but also on our own initiative to analyze and optimize tribological systems. Potentials can be generated, particularly in the field of pump technology. The combination of the sealing function in the suction mouth area to reduce internal leakages and the mapping of an axial bearing in an assembly increases the hydraulic efficiency on the one hand and can absorb the axial forces on the other. For purely mechanical pumps, the axial force results from the hydraulic axial thrust, with electric pumps it is a combination of hydraulic axial thrust and the axial force from the electric drive. This arrangement increases the overall efficiency, reduces the friction and reduces the number of parts, since any additional axial bearing systems are unnecessary.

How do we do that?

This is possible through the continuous development of our molding processes.
The combination of in-house material development, in direct interaction with the process landscape, enables us to reproduce high accuracies already in the master molding process. It is therefore no longer necessary to follow up on complex hard machining processes. Only the areas subject to selective stress are hard-machined.

How do we provide buoyancy?

In such systems, it is necessary to set application-specific boundary conditions. On the one hand, the system should be able to run in hydrodynamics even at low speeds. The dry or mixed friction proportions must be reduced to a minimum. After the system has floated up, it is of fundamental importance that the gap pressure between the slide rings is designed accordingly to absorb the axial forces and to ensure the sealing function between the suction side and the pressure side. This is achieved through specially structured surfaces. We basically differentiate between micro and macro structures that provide the necessary tribology. Microstructures are usually introduced using laser processing, while macrostructures can be mapped directly using the shaping process. The correspondingly developed granules (feedstock) make this possible. Such structures are designed in close cooperation with customers and development partners.


Our medium-term goal is to improve existing systems by substitution and to use them in new developments right from the start. We can implement this for very small quantities as well as for large series.

QSIL Ceramics GmbH

FCT Ingenieurkeramik steht für mehr als 30 Jahre Erfahrung und Kompetenz in der Werkstofftechnik und bei der Herstellung von keramischen Hochleistungswerkstoffen und Kompositen.

Unsere Spezialität sind Siliziumnitrid- und Siliziumkarbid-basierte, nichtoxidische Keramikwerkstoffe. Mit unseren Anlagen fertigen wir daraus Bauteile in unterschiedlicher Formgebungs- und Sintertechnik, speziell nach Zeichnungen und anwendungsspezifischen Anforderungen unserer Kunden und Partner. Die komplette Prozesstrecke vom Pulver bis zur einbaufertigen Keramikkomponenten ist bei uns im Haus vorhanden.

Aus optimierten bzw. maßgeschneiderten Keramikwerkstoffen erstellen wir gerne Prototypen, Sonderbauteile und kleine bis mittlere Serien für Sie. Auch besonders große, komplexe und hochpräzise Bauteile sind dabei eher Herausforderung als Problem für uns.

Mit unseren nach modernstem Stand der Technik ausgestatteten und im täglichen Betrieb optimierten Anlagen bieten wir Ihnen zudem eine Vielzahl unterschiedlicher Dienstleist

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.