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Database: 189760 (25 Oct 2025)
JB/T 2254.3-2014 English PDF
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JB/T 2254.3-2014
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Jig boring machines. Part 3: Dimension of main shaft end of 3: 20 taper hole
Obsolete
JB/T 2254.3-2014
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Basic data
Standard ID
JB/T 2254.3-2014 (JB/T2254.3-2014)
Description (Translated English)
Jig boring machines. Part 3: Dimension of main shaft end of 3: 20 taper hole
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J54
Classification of International Standard
25.080.20
Word Count Estimation
8,849
Date of Issue
5/6/2014
Date of Implementation
10/1/2014
Older Standard (superseded by this standard)
JB/T 3753-1999
Regulation (derived from)
Ministry of Industry and Information Technology - Announcement 2014 No 32; Industry standards for filing notice 2014 No. 6 (total 174).
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This Standard specifies the type and size of jig borer with 3: 20 taper spindle coupling ends and tool taper shank. This Standard applies to the spindle nose cone coupling using 3: 20 coordinate boring.