13:56 Dec 14, 2008 |
German to English translations [PRO] Tech/Engineering - Engineering: Industrial | |||||||
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| Selected response from: Kim Metzger Mexico Local time: 04:10 | ||||||
Grading comment
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Summary of answers provided | ||||
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3 | DU bushing |
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DU bushing Explanation: I haven't been able to find out what DU actually stands for, but it's a self-lubricating bushing/bearing/sleeve http://www.festo-didactic.com/int-en/services/online-diction... DU" Self-Lubricating Bearing SF-1 is known as "DU" bushing in abroad, used steel board as its backing, sintered bronze as its interlayer and PTFE mater-ial as its anti-wear surface.It is widely used in printing machine, woven machine, tobacco machine, as well as gymnastic machines, etc. http://www.bearingcie.com/self-lubricating_bearing.htm The sleeve 4 is preferably a so-called DU sleeve. A DU sleeve has preferably a copper-plated steel backing on to which a porous layer of tin bronze powder is sintered, whereupon the pores of the bronze are completely filled with a mixture of polytetrafluoroethylene and powdered lead. Although a DU sleeve is preferred according to the invention, the sleeve 4 for guiding the armature could equally well consist of a magnetic material coated with a synthetic plastic material at the side directed towards the armature 9. http://www.freepatentsonline.com/4518938.html Die selbstschmierende DU- Buchse besteht aus drei verschiedenen Materialschichten • einer Stahl- oder Bronzeplatte, die den mechanischen Widerstand verbessert • einer porigen Imprägnierungsschicht aus Bronze, welche für Wärmeleitung und Formstabilität eine Rolle spielt (0,20 bis 0,35 mm) • eine Oberfläche (einer Mischung aus PTFE und Pb) die eine gute Qualität hinsichtlich der Selbstschmierung ermöglicht (schwächere Abnutzung und geringere Reibung) (0,01-0,05mm) Das Stahlband wird durch eine dünne Kupfer- oder Zinnschicht geschützt, um Korrosionswiderstand und Wärmeleitung zu verbessern http://www.ttv-dichtungen.de/gleitlagerstandard_content.html |
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