GB/T 39958-2021CNC hole puncher (English PDF)
数控冲孔机
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 9, 2021
Implementation date
October 1, 2021
Scope
GB/T 39958-2021 is the English-translated version of 数控冲孔机.
GB/T 39958-2021 covers CNC punching machines, the forming machines that punch holes of a specified size at a specified position on flat plates following the instructions of the CNC system.
It sets out the types and basic parameters, the requirements, the test methods, the inspection rules and the marking, packaging, transport and storage of these machines.
Two types are recognised, open bed and closed bed. The requirements refer to standards on hydraulic, pneumatic and lubrication systems, electrical safety of machinery, safety of forging machinery, positioning accuracy of CNC axes, noise measurement, grey iron castings, welded parts, hydraulic cleanliness and machine tool packaging. It was issued on 9 March 2021 and has applied since 1 October 2021.
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Document preview — GB/T 39958-2021
National Standard of the People's Republic of China
- ICS
- 25.120.10
- Classification
- J 62
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Type and basic parameters
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the type and basic parameters, requirements, test methods, inspection rules, signs, packaging, transportation and storage of CNC punching machines.
This standard applies to CNC punching machines that punch holes on flat plates.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 191 Packaging, storage and transportation pictorial signs
GB 2894 Safety signs and guidelines for their use
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB/T 5226.1 Electrical safety of machinery Electrical equipment of machinery Part 1: General technical conditions
GB/T 6576 Machine Tool Lubrication System
GB/T 7932 General rules and safety requirements for pneumatic systems and their components
GB/T 9969 General Rules for the Use of Industrial Products
GB/T 10923 General rules for precision inspection of forging machinery
GB/T 13306 signs
GB 17120 Safety technical conditions for forging machinery
GB/T 17421.2 General Rules for Inspection of Machine Tools Part 2: Determination of Positioning Accuracy and Repeated Positioning Accuracy of CNC Axis
GB/T 23281 Forging machinery noise sound pressure level measurement method
GB/T 26220 General technical conditions for industrial automation systems and integrated machine tool numerical control numerical control systems
JB/T 3240 Visualized symbols for forging machinery operation instructions
JB/T 5775 Technical conditions for forging machinery gray iron castings
JB/T 8356 Machine tool packaging technical conditions
JB/T 8609 Technical conditions for forging mechanical welding parts
JB/T 9954 Cleanliness of hydraulic system of forging machinery
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 CNC punching machine
A forming machine that punches holes of the specified size at the specified position according to the instructions of the CNC system.
4 Type and basic parameters
4.1 Type
CNC punching machines can be divided into two types. open bed and closed bed.
......
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 2894Safety colours and safety signs
- GB/T 3766Hydraulic fluid power -- General rules and safety requirements for systems and their components
- GB/T 5226.1Electrical safety of machinery -- Electrical equipment of machines -- Part 1: General requirements
- GB/T 6576Machine tool -- Lubrication systems
- GB/T 7932Pneumatic fluid power -- General rules and safety requirements for systems and their components
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Related Standards
GB 17120-2025 — Metalforming machinery - Safety technical specification
GB 2894-2025 — Safety colours and safety signs
GB/T 10923-2009 — Test code of accuracy for metal forming machine
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GB/T 39958-2021
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