JB/T 12829.3-2016Four-roll plate bending machines - Part 3: Accuracy (English PDF)
四辊卷板机 第3部分：精度
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 5, 2016
Implementation date
September 1, 2016
Scope
JB/T 12829.3-2016 is the English-translated version of 四辊卷板机 第3部分：精度.
JB/T 12829.3-2016 is the accuracy part, Part 3, of a recommended Chinese machinery industry standard on four-roll plate bending machines. Its content is of two kinds: the tolerances allowed on the accuracy of the machine, and the test method by which each of those tolerances is verified.
The machines it applies to are four-roll plate bending machines built without a cross-beam structure, referred to in the text simply as bending machines. It quotes GB/T 8170 and GB/T 10923.
The standard sits under the Chinese classification J62 and the international classification 25.120.10.
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Document preview — JB/T 12829.3-2016
National Standard of the People's Republic of China
- ICS
- 25.120.10
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 12829.3-2016 was issued by MIIT on 5 April 2016 and has been in force since 1 September 2016.
It is one of 3 parts of the JB/T 12829 series.
2 Scope
This standard is the accuracy part, Part 3, of a recommended Chinese machinery industry standard on four-roll plate bending machines. Its content is of two kinds: the tolerances allowed on the accuracy of the machine, and the test method by which each of those tolerances is verified. The machines it applies to are four-roll plate bending machines built without a cross-beam structure, referred to in the text simply as bending machines. It quotes GB/T 8170 and GB/T 10923. The standard sits under the Chinese classification J62 and the international classification 25.120.10.
3 Normative references
JB/T 12829.3-2016 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 8170
GB/T 10923
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 12829.1-2016 — Part 1: Types and basic parameters
JB/T 12829.2-2016 — Part 2: Technical requirements
6 Classification and status
International classification (ICS): 25.120.10
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
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Related Standards
GB/T 10923-2009 — Test code of accuracy for metal forming machine
GB/T 8170-2008 — Rules of rounding off for numerical values & expression and judgement of limiting values
JB/T 12829.2-2016 — Four-roll plate bending machines - Part 2: Technical requirements
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JB/T 12829.3-2016
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