JB/T 11870.3-2014Heavy-duty pipe benders - Part 3: Accuracy (English PDF)
重型弯管机 第3部分：精度
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 11870.3-2014 is the English-translated version of 重型弯管机 第3部分：精度.
JB/T 11870.3-2014 is the third part of the recommended Chinese machinery industry standard on heavy-duty pipe benders and deals with their accuracy. It specifies the geometric accuracy of the machine and its working accuracy.
The field of application is the heavy pipe bender that bends metal tube by winding it in the cold state. The Ministry of Industry and Information Technology issued the part, which is filed at J62 in the Chinese classification and at 25.120.10 in the international one. It quotes GB/T 10923.
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Document preview — JB/T 11870.3-2014
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 11870.3-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.
It is one of 3 parts of the JB/T 11870 series.
2 Scope
This standard is the third part of the recommended Chinese machinery industry standard on heavy-duty pipe benders and deals with their accuracy. It specifies the geometric accuracy of the machine and its working accuracy. The field of application is the heavy pipe bender that bends metal tube by winding it in the cold state. The Ministry of Industry and Information Technology issued the part, which is filed at J62 in the Chinese classification and at 25.120.10 in the international one. It quotes GB/T 10923.
3 Normative references
JB/T 11870.3-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
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 11870.1-2014 — Heavy Duty Pipe Bender - Part 1: Parameters
JB/T 11870.2-2014 — Heavy Duty Pipe Bender - Part 2: Specifications
6 Classification and status
International classification (ICS): 25.120.10
Prefix JB/T: recommended standard.
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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
JB/T 11870.2-2014 — Heavy Duty Pipe Bender - Part 2: Specifications
JB/T 11870.1-2014 — Heavy Duty Pipe Bender - Part 1: Parameters
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JB/T 11870.3-2014
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