JB/T 2257.1-2014Press brakes - Part 1: Technical requirements (English PDF)
板料折弯机 第1部分: 技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 2257.1-2014 is the English-translated version of 板料折弯机 第1部分: 技术条件.
Part 1 of the press brake series, JB/T 2257.1-2014, is a recommended machinery industry standard of China that sets the technical requirements for plate bending machines along with the test methods, the inspection rules and the provisions for packaging, transport and storage.
It applies to general-purpose press brakes. The standard carries Chinese classification J62 and international classification 25.120.10.
Its list of quoted standards is extensive and includes GB/T 191, GB/T 1348, GB/T 1804-2000, GB/T 3766, GB 5226.1, GB/T 7932, GB/T 7935, GB/T 9969, GB/T 10089, GB/T 13306, GB/T 14349, GB 17120, GB/T 23281 and GB/T 23282.
It supersedes JB/T 2257.1-1992. Issued on 9 July 2014, it has applied since 1 November 2014.
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Document preview — JB/T 2257.1-2014
National Standard of the People's Republic of China
- ICS
- 25.120.10
- Replacing
- JB/T 2257.1-1992
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 2257.1-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB/T 1348
GB/T 1804-2000
GB/T 3766
GB 5226.1
GB/T 7932
GB/T 7935
GB/T 8170
GB/T 9439
GB/T 9969
GB/T 10089
GB/T 10095.1
GB/T 10095.2
GB/T 11352
GB/T 11365
GB/T 13306
GB/T 13384
GB/T 14349
GB 17120
GB/T 23281
GB/T 23282
GB 2438
......
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
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 1348Spheroidal graphite iron castings
- GB/T 1804-2000General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
- GB/T 3766Hydraulic fluid power -- General rules and safety requirements for systems and their components
- GB/T 7932Pneumatic fluid power -- General rules and safety requirements for systems and their components
- GB/T 7935Hydraulic fluid power - General requirements for hydraulic components
GB 5226.1 · GB 2438
Similar standards
Editions of JB/T 2257.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 2257.1-2014 | Press brakes - Part 1: Technical requirements | current edition | Current |
| JB/T 2257.1-1992 | Press brakes - Part 1: Technical requirements | previous edition | Superseded |
This page sells the current edition, JB/T 2257.1-2014. Earlier editions are listed for reference only.
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Related Standards
GB 17120-2025 — Metalforming machinery - Safety technical specification
GB/T 10089-2018 — Accuracy of cylindrical worm and wormwheel
GB/T 10095.1-2022 — Cylindrical gears - ISO system of flank tolerance classification - Part 1: Definitions and allowable values of deviations relevant to flanks of gear teeth
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JB/T 2257.1-2014
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