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JB/T 2858.4-2019 English PDF

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JB/T 2858.4-2019: Thread grinding machines -- Part 4: Machine tools with a movable wheelhead -- Testing of the accuracy
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 2858.4-2019English559 Add to Cart 5 days [Need to translate] Thread grinding machines -- Part 4: Machine tools with a movable wheelhead -- Testing of the accuracy Valid JB/T 2858.4-2019
JB/T 2858.4-1999English199 Add to Cart 2 days [Need to translate] Thread grinding machine Technical conditions Obsolete JB/T 2858.4-1999

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Basic data

Standard ID JB/T 2858.4-2019 (JB/T2858.4-2019)
Description (Translated English) Thread grinding machines -- Part 4: Machine tools with a movable wheelhead -- Testing of the accuracy
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J56
Classification of International Standard 250.080.99
Word Count Estimation 24,244
Date of Issue 2019-05-02
Date of Implementation 2020-01-01
Quoted Standard GB/T 17421.1-1998; GB/T 17421.2-2016; GB/T 17587.3-2017; GB/T 19660-2005; JB/T 2886-2008
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 geometric accuracy, working accuracy, axis positioning accuracy and repeat positioning accuracy inspection methods and corresponding tolerances of the mobile thread grinder with the wheel head. This part is applicable to mobile ordinary precision thread grinders and lead screw grinders (hereinafter referred to as machine tools) with grinding wheel holders with a maximum workpiece diameter of 125mm��500mm and a maximum workpiece length of 3000mm��10000mm.

Similar standards

GB/T 38193   JB/T 12396   JB/T 8490   JB/T 2858.3   JB/T 2858.5   JB/T 2858.2