JB/T 2671.1-1998Pipe bending machines - Parameters (English PDF)
弯管机 参数
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 17, 1998
Implementation date
December 1, 1998
Scope
JB/T 2671.1-1998 is the English-translated version of 弯管机 参数.
JB/T 2671.1-1998 is the Chinese machinery industry standard covering pipe bending machines - Parameters. It was issued on 17 July 1998 and has been in force since 1 December 1998, replacing JB/Z 184-1982.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 1998 edition.
The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.
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Document preview — JB/T 2671.1-1998
National Standard of the People's Republic of China
- Replacing
- JB/Z 184-1982
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- [Preview only]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Type
- 3.2 Basic parameters
- 4 Types and basic parameters
- 4.1 Types
- 4.2 Model designation
- 4.3 Nominal operating conditions
- 4.4 Safety and hygiene
- 4.5 Welding
- 4.6 Bridge (After crane operation mechanism assembled)
- 4.7 Assembly
- 4.8 Electrical control equipment
- 4.9 Steel pretreatment and painting
- 5 Technical requirements
- 5.1 General requirements
- 5.2 Safety requirements
- 5.3 Cold and hot working forming
- 5.4 Rated load test
- 5.5 Whole machine noise test
- 5.6 Static rigidity test
- 5.7 Dynamic load test
- 5.8 Crane span deviation
- 5.9 Diagonal difference of bridge
- 6 Test methods
- 6.1 Exit-factory inspection
- 6.2 Type inspection
- 7 Inspection rules
- 7.1 Marking
- 7.2 Packaging, transportation and storage
- 7.3 Transportation
- 7.4 Storage
- 8 Marking, packaging, transportation and storage
- 9 标志和标签 9 Marking and labeling
1 Foreword
JB/T 2671.1-1998 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 17 July 1998 and has been in force since 1 December 1998.
It is one of 4 parts of the JB/T 2671 series.
The JB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.
2 Scope Preview
JB/T 2671.1-1998 carries no ICS number and no Chinese Standard Classification code.
This catalogue holds 21,922 other JB/T standards.
Of the 5,298 JB/T standards that do carry an ICS number, 1,460 (28%) fall under ICS 25, in the field of manufacturing engineering.
3 Where this standard sits
One other standard in this catalogue cites it: JB/T 2671.3-2010.
It is one part of the JB/T 2671 series, of which this catalogue holds 4 parts.
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 2671.2-1998 — Pipe bending machines - Technical specifications
JB/T 2671.2-2025 — Tube bending machine - Part 2: Specifications
JB/T 2671.3-2010 — Tube bending machines - Part 3: Testing of the accuracy
Other editions:
JB/T 2671.1-2025 (later edition)
Standards on related subjects:
GB/T 36229-2018 — Reliability assessment methods and indices for active opto-electronic protective devices
GB/T 35091-2018 — Straight-sided high-speed mechanical power presses -- Types and basic parameters
JB/T 1647.2-2012 — Straight-side mechanical power presses - Part 2: Technical requirements
JB/T 9958.2-2025 — Single-column hydraulic press - Part 2: Accuracy
6 Classification and status
Chinese Standard Classification (CCS): J 62
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 2671.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 2671.1-1998 | Pipe bending machines - Parameters | current edition | Current |
| JB/Z 184-1982 | Pipe bending machines - Parameters | previous edition | Superseded |
This page sells the current edition, JB/T 2671.1-1998. Earlier editions are listed for reference only.
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Related Standards
JB/T 2671.2-2025 — Tube bending machine - Part 2: Specifications
JB/T 2671.2-1998 — Pipe bending machines - Technical specifications
JB/T 2671.3-2010 — Tube bending machines - Part 3: Testing of the accuracy
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JB/T 2671.1-1998
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