craquelures longitudinales de la couche cémentée dans quatre fonds de denture
English translation: longitudinal cracks in the case-hardened layer, at the bottom land of the teeth
| 09:59 Sep 22, 2008 |
| French to English translations [PRO] Tech/Engineering - Ships, Sailing, Maritime | |||||||
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|  Selected response from: Bourth (X) Local time: 08:22 | ||||||
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11 mins confidence: 
longitudinal cracks in the case-hardened layer of four teeth troughs Explanation: cémentée = case-hardened denture =gear teeth Source: DCN -------------------------------------------------- Note added at 15 mins (2008-09-22 10:14:31 GMT) -------------------------------------------------- The tip of the gear teeth are not supposed to go all the way down into the opposing trough. If that happens the next incoming tooth tip smacks into the top ... reprap.org/bin/view/Main/GearDesignInAoI -------------------------------------------------- Note added at 34 mins (2008-09-22 10:33:26 GMT) -------------------------------------------------- apparently it is now the DCNS, see http://fr.wikipedia.org/wiki/DCNS Bourth is right about "bottom land" |
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9 mins confidence:
longitudinal cracks in the case-hardened layer, at the bottom land of the teeth Explanation: In a word. -------------------------------------------------- Note added at 10 mins (2008-09-22 10:09:31 GMT) -------------------------------------------------- Which reminds me that we know dentists don't like bottom teeth because they bite off the buttons in their chairs. -------------------------------------------------- Note added at 29 mins (2008-09-22 10:28:39 GMT) -------------------------------------------------- In production of a curved-toothed bevel gear, an amount of deformation of a bottom land of each of gear teeth caused by heat treatment is assumed. ... www.freepatentsonline.com/5090161.html 1. What is the definition of bottom land? clearance, The distance between the top land of a gear tooth and the bottom land of the tooth it meshes with on the mating gear. ... www.toolingu.com/definition-560240-25478-bottom-land.html 1. Bottom land - Wikipedia, the free encyclopedia Bottom Land, AGMA. In mechanical engineering, bottom land is the surface at the bottom of a gear tooth space adjoining the fillet. [1] ... en.wikipedia.org/wiki/Bottom_land Land: The top land is the top surface of a tooth, and the bottom land is the surface of the gear between the flanks of adjacent teeth. ... books.google.com/books?isbn=0831111593... Picture at: http://www.summitgearworks.com/sgw_terms.htm -------------------------------------------------- Note added at 4 hrs (2008-09-22 14:58:40 GMT) -------------------------------------------------- It's not that I prefer one to the other but that I am not familiar with "trough" in this context. In terms of image of course it is perfectly understandable, and there might possibly be a difference between gears with a distinguishable "flat" bottom land and gears with a more "shell" (obus) shaped tooth which would be more of a trough shape at the bottom. |
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