Detaljer på forslag

Forslagstitel på sprog (en): Gears – Wear and damage to gear teeth – Terminology
Nummer:DSF/ISO/DIS 10825-1
Type:Forslag
Kilde:ISO
Udvalg:S-588
Udvalgsnavn:Vindenergisystemer
Forslag udgivet:21. jan 2021
Kommentarfrist:20. mar 2021
Antal kommentarer:0
Beskrivelse af forslaget:This International standard provides nomenclature for general modes of gear tooth wear and failure. It classifies, identifies, and describes the most common types of failure and provides information that will, in many cases, enable the user to identify failure modes and evaluate the degree or change from original condition. This International standard is based on experience with steel gears; however, many of the failure modes discussed apply to gears made from other materials. The solution to many gear problems requires detailed investigation and analysis by specialists and is beyond the scope and intent of this standard. This Standard specifies only the terminology that is intended to help the recognition and reporting of the appearance and conditions of gears after a period of operation. Neither causes nor preventive measures for any condition described are discussed. This International standard does not define “gear failure”. One observer's “failure” is another observer's “run-in”. There is no single definition of gear failure, since whether or not a gear has failed depends on the specific application. NOTE – The term “gear failure” is subjective and a source of considerable disagreement. For example, a person observing gear teeth that have a bright, mirrorlike appearance might believe that the gears have “run-in” properly. However, another observermight believe that the gears have failed by polishing wear. Whether the gears should be considered failed or not depends on how much change from original condition is tolerable. Changes made to reduce the risk of one failure mode can sometimes worsen or create other failure modes or have other unintended consequences. Therefore, it is imperative that any remedy be evaluated prior to implementation and thoroughly tested and evaluated after implementation. See part 2 for additional discussion on the potential causes of the different failure modes and some suggestions to minimize the risk of them occurring. NOTE – “gear” throughout this standard means gear wheel or pinion unless the gear is specifically identified.

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