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JB/T 6347.2-2019 English PDF

US$489.00 · In stock
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JB/T 6347.2-2019: Gear chamfering machines -- Part 2: Testing of the accuracy
Status: Valid

JB/T 6347.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 6347.2-2019English489 Add to Cart 4 days [Need to translate] Gear chamfering machines -- Part 2: Testing of the accuracy Valid JB/T 6347.2-2019
JB/T 6347.2-1999English199 Add to Cart 2 days [Need to translate] (Gear chamfering machine. Series type spectrum) Obsolete JB/T 6347.2-1999

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Basic data

Standard ID JB/T 6347.2-2019 (JB/T6347.2-2019)
Description (Translated English) Gear chamfering machines -- Part 2: Testing of the accuracy
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J56
Classification of International Standard 25.080.99
Word Count Estimation 21,240
Date of Issue 2019-05-02
Date of Implementation 2020-01-01
Older Standard (superseded by this standard) JB/T 6347.3-1999
Quoted Standard GB/T 17421.1-1998; GB/T 17421.2-2016
Regulation (derived from) Natural Resources Department Announcement No. 7 of 2019
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the inspection requirements, inspection methods and tolerances of the gear chamfering machine's geometric accuracy, CNC axis positioning accuracy, repeat positioning accuracy, and working accuracy. This section applies to gear chamfering machines (hereinafter referred to as machine tools) with a maximum workpiece diameter of 125mm��800mm.

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 6347.2-2019 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.