JB/T 7642.5-1994Stamping die parts and technical specifications - General-purpose die sets - Lower die bases for bending dies (English PDF)
冲模零件及技术条件 冲模通用模座 弯曲模下模座
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 9, 1994
Implementation date
June 1, 1995
Scope
JB/T 7642.5-1994 is the English-translated version of 冲模零件及技术条件 冲模通用模座 弯曲模下模座.
JB/T 7642.5-1994 is the Chinese machinery industry standard covering stamping die parts and technical specifications - General-purpose die sets - Lower die bases for bending dies.
It was issued on 9 December 1994 and has been in force since 1 June 1995, replacing GB 2857.8-1981. The document is under the responsibility of the Ministry of Industry and Information Technology.
This page is published from the official record of the 1994 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 7642.5-1994
National Standard of the People's Republic of China
- Replacing
- GB 2857.8-1981
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 7642.5-1994 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 9 December 1994 and has been in force since 1 June 1995.
It is one of 5 parts of the JB/T 7642 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 7642.5-1994 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 7642.1-1994 — Round upper die bases with shank
JB/T 7642.2-1994 — Rectangular upper die bases with shank
JB/T 7642.3-1994 — Type A upper die bases
JB/T 7642.4-1994 — Type B lower die bases
5 Classification and status
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.
Similar standards
Editions of JB/T 7642.5
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7642.5-1994 | Stamping die parts and technical specifications - General-purpose die sets - Lower die bases for bending dies | current edition | Current |
| GB 2857.8-1981 | Stamping die parts and technical specifications - General-purpose die sets - Lower die bases for bending dies | previous edition | Superseded |
This page sells the current edition, JB/T 7642.5-1994. Earlier editions are listed for reference only.
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Related Standards
JB/T 7642.4-1994 — Stamping die parts and technical specifications - General-purpose die sets - Type B lower die bases
JB/T 7642.3-1994 — Stamping die parts and technical specifications - General-purpose die sets - Type A upper die bases
JB/T 7642.2-1994 — Stamping die parts and technical specifications - General-purpose die sets - Rectangular upper die bases with shank
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JB/T 7642.5-1994
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