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JB/T 3991-1999 English PDF

US$519.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 3991-1999: Gear grinding machine with taper wheel Accuracy inspection
Status: Obsolete

JB/T 3991: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 3991-1999English519 Add to Cart 3 days [Need to translate] Gear grinding machine with taper wheel Accuracy inspection Obsolete JB/T 3991-1999
JB 3991-1985English479 Add to Cart 4 days [Need to translate] (Precision conical grinding wheel) Obsolete JB 3991-1985

PDF similar to JB/T 3991-1999


Standard similar to JB/T 3991-1999

GB/T 38193   JB/T 12396   JB/T 8490   JB/T 3989.1   JB/T 3989.6   JB/T 3989.4   

Basic data

Standard ID JB/T 3991-1999 (JB/T3991-1999)
Description (Translated English) Gear grinding machine with taper wheel Accuracy inspection
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J56
Classification of International Standard 25.080.99
Word Count Estimation 13,148
Date of Issue 1999-05-20
Date of Implementation 2000-01-01
Older Standard (superseded by this standard) JB 3991-1985
Quoted Standard GB/T 10095-1988; GB/T 17421.1-1998
Adopted Standard �������� 7640-1977; NEQ
Regulation (derived from) Ministry of Industry and Information Technology Announcement No. 2 of 2017
Summary This standard specifies: conical grinding machine geometric accuracy and precision testing Requirements and test methods. This standard applies to: Max workpiece tip diameter to 2000mm-conical wheel gear.

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Question 5: Should I purchase the latest version JB/T 3991-1999?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 3991-1999 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.