JB/T 2740-2015Electrical equipment and system of machine tools - Drawing of electrical diagrams, illustration and table (English PDF)
机床电气设备及系统 电路图、图解和表的绘制
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
October 10, 2015
Implementation date
March 1, 2016
Scope
JB/T 2740-2015 is the English-translated version of 机床电气设备及系统 电路图、图解和表的绘制.
JB/T 2740-2015 is the Chinese machinery industry standard covering electrical equipment and system of machine tools - Drawing of electrical diagrams, illustration and table.
It was issued on 10 October 2015 and has been in force since 1 March 2016, replacing JB/T 2740-2008. The document is under the responsibility of the Ministry of Industry and Information Technology.
This page is published from the official record of the 2015 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 2740-2015
National Standard of the People's Republic of China
- Replacing
- JB/T 2740-2008
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 2740-2015 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 10 October 2015 and has been in force since 1 March 2016.
It replaces the earlier edition JB/T 2740-2008, JB/T 2740-1996.
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 2740-2015 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 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 40 pages
4 Related standards
Other editions:
JB/T 2740-2008 (earlier edition)
JB/T 2740-1996 (earlier edition)
Standards on related subjects:
GB 15760-2025 — Metal cutting machines - General specifications for safeguarding
GB/T 9061-2025 — Metal-cutting machine tools - General specifications
GB/T 5900.1-2021 — Machine tools - Connecting dimensions of spindle noses and work holding chucks - Part 1: Conical connection
JB/T 8072-2021 — Machine tools - Presentation of lubrication requirements
JB/T 6609-2021 — Steels and heat treatment for machine tool parts
JB/T 2739-2015 — Machine electrical Graphical symbols
5 Classification and status
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 40 pages — is available in the English PDF.
Similar standards
Editions of JB/T 2740
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 2740-2015 | Electrical equipment and system of machine tools - Drawing of electrical diagrams, illustration and table | current edition | Current |
| JB/T 2740-2008 | Electrical equipment and system of machine tools - Drawing of electrical diagrams, illustration and table | previous edition | Superseded |
This page sells the current edition, JB/T 2740-2015. Earlier editions are listed for reference only.
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