JB/T 6347.2-2019Gear chamfering machines - Part 2: Testing of the accuracy (English PDF)
齿轮倒角机 第2部分：精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 2, 2019
Implementation date
January 1, 2020
Scope
JB/T 6347.2-2019 is the English-translated version of 齿轮倒角机 第2部分：精度检验.
JB/T 6347.2-2019 is a recommended machinery industry standard of China covering the accuracy of gear chamfering machines. Part 2 sets the inspection requirements, the inspection methods and the tolerances for geometric accuracy, for the positioning and repeat positioning accuracy of the CNC axes and for working accuracy.
It is used on gear chamfering machines, called machine tools in the text, with a maximum workpiece diameter from 125 mm to 800 mm. The standard is classified J56 in the Chinese system and 25.080.99 internationally.
It quotes GB/T 17421.1-1998 and GB/T 17421.2-2016. Issued on 2 May 2019, it has applied since 1 January 2020.
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Document preview — JB/T 6347.2-2019
National Standard of the People's Republic of China
- ICS
- 25.080.99
- Replacing
- JB/T 6347.3-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 6347.2-2019 was issued by MIIT on 2 May 2019.
It replaces the earlier edition JB/T 6347.2-1999.
It is one of 6 parts of the JB/T 6347 series.
2 Scope
This standard is a recommended machinery industry standard of China covering the accuracy of gear chamfering machines. Part 2 sets the inspection requirements, the inspection methods and the tolerances for geometric accuracy, for the positioning and repeat positioning accuracy of the CNC axes and for working accuracy. It is used on gear chamfering machines, called machine tools in the text, with a maximum workpiece diameter from 125 mm to 800 mm. The standard is classified J56 in the Chinese system and 25.080.99 internationally. It quotes GB/T 17421.1-1998 and GB/T 17421.2-2016.
3 Normative references
JB/T 6347.2-2019 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
GB/T 17421.2-2016
4 About this standard
Issued by: MIIT
English translation: about 16 pages
5 Related standards
Other parts of this standard:
JB/T 6347.1-1999 — Gear chamfering machines - Parameters
JB/T 6347.1-2013 — 1: Types and parameters
JB/T 6347.3-1999 — Gear chamfering machines - Testing of accuracy
JB/T 6347.3-2019 — 3: Technical requirements
JB/T 6347.4-2006 — 4: Specifications
Other editions:
JB/T 6347.2-1999 (earlier edition)
6 Classification and status
International classification (ICS): 25.080.99
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.
Referenced standards
Normative references
Similar standards
Editions of JB/T 6347.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 6347.2-2019 | Gear chamfering machines - Part 2: Testing of the accuracy | current edition | Current |
| JB/T 6347.3-1999 | Gear chamfering machines - Part 2: Testing of the accuracy | previous edition | Superseded |
This page sells the current edition, JB/T 6347.2-2019. Earlier editions are listed for reference only.
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Related Standards
JB/T 6347.3-2019 — Gear chamfering machines - Part 3: Technical requirements
JB/T 6347.1-1999 — Gear chamfering machines - Parameters
JB/T 6347.3-1999 — Gear chamfering machines - Testing of accuracy
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JB/T 6347.2-2019
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