JB/T 2254.1-2011Jig boring machines - Part 1: Testing of the accuracy (English PDF)
坐标镗床 第1部分：精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 18, 2011
Implementation date
August 1, 2011
Scope
JB/T 2254.1-2011 is the English-translated version of 坐标镗床 第1部分：精度检验.
JB/T 2254.1-2011 is a recommended Chinese machinery industry standard, the accuracy part of JB/T 2254 on jig boring machines. It names the inspection items for geometric accuracy, for positioning accuracy and for working accuracy, and gives the methods and the tolerances that go with them.
The machines within its scope are single-column and double-column jig boring machines of the M and P accuracy classes whose table width does not exceed 2000 mm.
For classification the document carries J54 in the Chinese scheme and 25.080.20 in the international scheme. It quotes GB/T 17421.1-1998. The earlier edition it supersedes is JB/T 2254-1985.
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Document preview — JB/T 2254.1-2011
National Standard of the People's Republic of China
- ICS
- 25.080.20
- Replacing
- JB/T 2254-1985
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 2254.1-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 17421.1-1998
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of JB/T 2254.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 2254.1-2011 | Jig boring machines - Part 1: Testing of the accuracy | current edition | Current |
| JB/T 2254-1985 | Jig boring machines - Part 1: Testing of the accuracy | previous edition | Superseded |
This page sells the current edition, JB/T 2254.1-2011. Earlier editions are listed for reference only.
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Related Standards
JB/T 2254.2-2007 — Jig boring machines - Part 2: Technical requirements
JB/T 2254.3-2014 — Jig boring machines - Part 3: Dimension of main shaft end of 3:20 taper hole
JB/T 2254.4-2013 — Jig boring machines - Part 4: Types and parameters
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JB/T 2254.1-2011
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