JB/T 7422.2-2014Vertical Internal Cylindrical Honing Machines - Part 2: Testing of the Accuracy (English PDF)
立式内圆珩磨机 第2部分：精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 7422.2-2014 is the English-translated version of 立式内圆珩磨机 第2部分：精度检验.
JB/T 7422.2-2014 forms the second part of a recommended machinery industry standard on vertical honing machines for internal cylindrical surfaces, and it is the accuracy part.
It sets out the requirements for geometric accuracy and for working accuracy, together with the test methods used to verify them. It applies to general-purpose vertical honing machines working round bores from 25 mm to 1000 mm in diameter.
The tests follow GB/T 17421.1-1998. The standard is classified J55 and falls under ICS 25.080.50, and it replaces JB/T 7422.2-1999. Issued on 6 May 2014, it has applied since 1 October 2014.
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Document preview — JB/T 7422.2-2014
National Standard of the People's Republic of China
- ICS
- 25.080.50
- Replacing
- JB/T 7422.2-1999
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 7422.2-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.
It replaces the earlier edition JB/T 7422.2-1999.
It is one of 5 parts of the JB/T 7422 series.
2 Scope
JB/T 7422.2-2014 forms the second part of a recommended machinery industry standard on vertical honing machines for internal cylindrical surfaces, and it is the accuracy part. It sets out the requirements for geometric accuracy and for working accuracy, together with the test methods used to verify them. It applies to general-purpose vertical honing machines working round bores from 25 mm to 1000 mm in diameter. The tests follow GB/T 17421.1-1998. The standard is classified J55 and falls under ICS 25.080.50, and it replaces JB/T 7422.2-1999. Issued on 6 May 2014, it has applied since 1 October 2014.
3 Normative references
JB/T 7422.2-2014 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
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 7422.1-1999 — Vertical internal honing machines - Parameters
JB/T 7422.1-2013 — Vertical internal cylindrical honing machines - Part 1: Types and parameters
JB/T 7422.3-2006 — Vertical internal honing machines - Part 3: Technical requirements
JB/T 7422.4-2013 — Vertical internal cylindrical honing machines - Part 4: Honing tool parameters
Other editions:
JB/T 7422.2-1999 (earlier edition)
6 Classification and status
International classification (ICS): 25.080.50
Prefix JB/T: recommended standard.
......
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 7422.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7422.2-2014 | Vertical Internal Cylindrical Honing Machines - Part 2: Testing of the Accuracy | current edition | Current |
| JB/T 7422.2-1999 | Vertical Internal Cylindrical Honing Machines - Part 2: Testing of the Accuracy | previous edition | Superseded |
This page sells the current edition, JB/T 7422.2-2014. Earlier editions are listed for reference only.
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Related Standards
JB/T 7422.3-2006 — Vertical internal honing machines - Part 3: Technical requirements
JB/T 7422.1-1999 — Vertical internal honing machines - Parameters
JB/T 7422.4-2013 — Vertical internal cylindrical honing machines - Part 4: Honing tool parameters
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JB/T 7422.2-2014
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