Fettgefüllte Berührungsfreie Wellendichtungen

Product Information

Author
Herausgeber FKM
EAN
4250697513420
Edition
2011
Delivery time
next business day

Fettgefüllte Berührungsfreie Wellendichtungen

Art-Nr.
512311
260.00 EUR *
Gesamtpreis: 260.00 EUR *

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Description

Fettgefüllte Berührungsfreie Wellendichtungen

FKM 2011
Booklet No. 311
Project No. 287

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Abstract:
Grease-filled non-contact shaft seals (FBFWD) are often used at shaft openings subject to heavy contamination. These are gap seals of all possible geometries that are filled with grease. Common names in the literature for this type of seal are also grease-filled protective or labyrinth seals.the grease is intended to prevent dirt from penetrating the sealing gap.an international literature search did not reveal any references to literature dealing with the scientific investigation of grease-filled gaps for sealing shaft penetrations. Only in the technical literature on the subject of rolling bearings are some design proposals for FBFWD listed in the chapters on relubrication and sealing. However, specific design proposals and information on the limits of use are not found here.
How FBFWDs function in a single arrangement and with a horizontal shaft position was investigated in the project for this final report. Suitable sealing gap geometries were sought, the sealing behavior when using different greases was tested and the application limits of such systems under different operating parameters and contamination levels were determined. A design catalog for non-contacting grease-filled shaft sealing systems in individual arrangements for horizontal shaft positions was derived from the knowledge gained. Every user is now in a position to build well-founded, suitable systems and correctly assess their operating behavior.
The objective of the research project has been achieved. Scope of report: 165 p., 274 fig., 34 tab., 23 lit. Start of work: 01.06.2008
End of work: 30.11.2010
Funding body: BMWi / IGF-Nr. 15591 N
Research center: Institute for Machine Elements (IMA), University of Stuttgart
Head: Prof. Dr.-Ing. Bernd Bertsche
Head of Sealing Technology: Prof. Dr.-Ing. Werner Haas
Editor and author: Dipl.-Ing. Johannes Kümmel
Chairman of the working group: Dr.-Ing. Dietmar Frey, ZF Friedrichshafen AG
Chairman of the FKM Board: Dipl.-Ing. H. Linn, LINN HIGH THERM GmbH, Hirschbach

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