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JB/T 7929-1999 English PDF

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JB/T 7929-1999: Cleanliness for gear drive units

JB/T 7929: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 7929-1999English209 Add to Cart 3 days [Need to translate] Cleanliness for gear drive units   JB/T 7929-1999
JB/T 7929-1995EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete JB/T 7929-1995

PDF similar to JB/T 7929-1999


Standard similar to JB/T 7929-1999

GB/T 10087   GB/T 10086   GB/T 6404.2   JB/T 13325   JB/T 13324   

Basic data

Standard ID JB/T 7929-1999 (JB/T7929-1999)
Description (Translated English) Cleanliness for gear drive units
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J17
Classification of International Standard 21.200
Word Count Estimation 6,672
Date of Issue 1999-06-24
Date of Implementation 2000-01-01
Older Standard (superseded by this standard) JB/T 7929-1995
Quoted Standard GB/T 6004-1985; GB/T 1922-1980
Summary This standard specifies: a single box power transmission gear transmission cleanliness Determination and objective evaluation value, after applicable factory and overhaul acceptance. This standard does not apply to centralized grease lubrication and circulation lubrication gears.

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Question 5: Should I purchase the latest version JB/T 7929-1999?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 7929-1999 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.