JB/T 4378.2-1999Cold stamped metal parts - General technical specifications (English PDF)
金属冷冲压件 通用技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
June 24, 1999
Implementation date
June 24, 2000
Scope
JB/T 4378.2-1999 is the English-translated version of 金属冷冲压件 通用技术条件.
JB/T 4378.2-1999 is the Chinese machinery industry standard covering cold stamped metal parts - General technical specifications. It was issued on 24 June 1999 and has been in force since 24 June 2000, replacing JB 4380-1987.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 1999 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 4378.2-1999
National Standard of the People's Republic of China
- Replacing
- JB 4380-1987
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 4378.2-1999 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 24 June 1999 and has been in force since 24 June 2000.
It is one of 2 parts of the JB/T 4378 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 4378.2-1999 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 15 pages
4 Related standards
Other parts of this standard:
JB/T 4378.1-1999 — Cold stamped metal parts - Structural elements
Standards on related subjects:
GB/T 12362-2016 — Steel die forgings - Tolerance and machining allowance
GB/T 12361-2016 — Steel die forgings - General specification
JB/T 4129-1999 — Burr height of stampings
JB/T 6398-2018 — Heavy stainless acid resistant steel and heat resistant steel forgings - Technical specification
JB/T 4010-2018 — Ultrasonic testing for steel retaining rings of turbine generator
JB/T 4381-2011 — Stamping and shearing of blanks - Limit deviations for dimensions without tolerance indication
5 Classification and status
Chinese Standard Classification (CCS): J 32
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 4378.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 4378.2-1999 | Cold stamped metal parts - General technical specifications | current edition | Current |
| JB 4380-1987 | Cold stamped metal parts - General technical specifications | previous edition | Superseded |
This page sells the current edition, JB/T 4378.2-1999. Earlier editions are listed for reference only.
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Related Standards
JB/T 4378.1-1999 — Cold stamped metal parts - Structural elements
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