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Database: 189760 (25 Oct 2025)
JB/T 3849.2-2011 English PDF
JB/T 3849.2: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 3849.2-2011
English
599
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4 days [Need to translate]
Copying lathes. Part 2: Testing of the accuracy
Obsolete
JB/T 3849.2-2011
JB/T 3849.2-1994
English
559
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4 days [Need to translate]
Copying lathe Precision
Obsolete
JB/T 3849.2-1994
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Basic data
Standard ID
JB/T 3849.2-2011 (JB/T3849.2-2011)
Description (Translated English)
Copying lathes. Part 2: Testing of the accuracy
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J53
Classification of International Standard
25.080.10
Word Count Estimation
15,182
Date of Issue
2011-05-18
Date of Implementation
2011-08-01
Older Standard (superseded by this standard)
JB/T 3849.2-1994
Quoted Standard
GB/T 17421.1-1998
Regulation (derived from)
?MIIT Announcement 2011 No.13
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the copying lathe geometric accuracy and precision requirements and test methods. This standard applies to the maximum diameter of the turret turning to 500mm, hydraulic maximum turning length of 2500mm to the general purpose of copying lathe. This standard is also applicable as a turret lathe attachment hydraulic profiling accuracy test.