BS-7848-1996 ISO-10825-1995.pdf
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1、Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provide
2、d by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled
3、Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/591098600
4、1 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo rep
5、roduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without licen
6、se from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards I
7、nstitution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with B
8、SI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of H
9、ong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 10825 : 1995(E/F) 1.1.2Abrasive wear (concluded)1.1.2 Usure abrasive (fin) Abrasive wear which has removed significant Usure abrasive qui s?est developpee sur les deu
10、x amounts of material from opposite flanks of gear flancs et qui a fait dispara?tre une grande quantit teeth, de matire ? la surface des dents. Deep radial grooves can be seen in the dedenda. On note la presence de profondes rayures radiales au niveau du creux des dents. 7 Copyright British Standard
11、s Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 10825 : 1995(E/F) 1.1.3Excessive wear1.1.3Usure excessive Excessive w
12、ear may appear similar to moderate or abrasive wear. The progression rate, however, is such that the design life of the gear set may not be attained. The teeth will have a considerable amount of material removed from the surfaces. L?aspect dune usure excessive sera similaire ? celui dune usure modre
13、 ou abrasive. Toutefois, la vitesse de dveloppement est telle que la dure de vie prvue ne pourra pas tre atteinte. Les dents auront une quantit de matire enleve considerable. Excessive wear by the abrasion of opposite flanksPignon avec une usure excessive sur les deux of pinion teeth.flancs obtenue
14、par abrasion. NOTE - Excessive wear can also be caused byNOTE - Une usure excessive peut aussi tre cause polishing after tooth geometry has been extensivelypar du poli miroir lorsque la gomtrie des dents a t changed.dforme dans de trop grandes proportions. 8 Copyright British Standards Institution P
15、rovided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 10825 : 1995(E/F) 1.1.4Moderate scratching (Scoring) 1.1.4Rayures - Stries Fine groo
16、ves, running in the direction of sliding motion, irregularly spaced and of varying length, and often scattered over the tooth flanks. Fins sillons orients dans le sens du glissement, irrgulirement espacs, de longueurs variables et qui sont souvent clairsems sur les flancs des dents. Fine grooves vis
17、ible near the tip on the tooth Fines rayures visibles prs du sommet des dents surfaces of a ground pinion. In this case, the d?un pignon rectifi. Dans ce cas, les rayures sont scratches are distributed regularly on all the teeth. rparties rgulirement sur toutes les dents. Voir See also the illustrat
18、ion in 1.1.1. aussi le clich en 1.1.1. Note the presence of grinding marks on the dedendum flank. Des traces de rectification sont visibles au bas des flancs. 9 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=University of Hong Kong/5910986
19、001 Not for Resale, 12/08/2006 04:52:32 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 10825 : 1995(E/F) 1.1.5 Severe scratching 1.1.5 Griffures A form of abrasive wear characterized by the presence of linear grooves in the direction of tooth sliding. The grooves are s
20、mooth, similar in appearance to those formed by ?ridging? (see 3.4), but are created by the ploughing action of hard asperities on mating flanks or by hard particles embedded therein. Forme d?usure abrasive caractrise par la pr- sence de rayures linaires orientes dans la direction du glissement. Ces
21、 rayures sont lisses et sont d?aspect semblable ? celui des sillons (voir 3.4) mais elles sont dues au labourage des dents par des asprits dures se trouvant dans I?engrnement ou par des particules qui sont incrustes dans les flancs. Severe scratching of the entire contact surface. Wear is less sever
22、e near the operating pitch surface. Another type of severe scratching is shown in the illustration in 1.1.2. Griffures prsentes dans toute la zone de contact. On note une usure beaucoup plus faible au niveau du cylindre primitif de fonctionnement. Une autre forme de griffure est visible sur le clich
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- BS-7848-1996 ISO-10825-1995 BS 7848 1996 ISO 10825 1995
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