JB/T 5112-2017Extrusion dies - Prestressed combined dies for cold extrusion - Design specifications (English PDF)
挤压模 冷挤压预应力组合凹模 设计规范
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 7, 2017
Implementation date
April 1, 2018
Scope
JB/T 5112-2017 is the English-translated version of 挤压模 冷挤压预应力组合凹模 设计规范.
JB/T 5112-2017 is the Chinese machinery industry standard that sets the design specifications for prestressed combined dies used in cold extrusion. It covers the structural types of such dies, the design elements, and the materials and hardness to be used.
It belongs to the extrusion die group of the JB/T series and is issued as a recommended standard. It quotes GB/T 1184, GB/T 1800.2 and JB/T 6054. It replaces JB/T 5112-1991, which was issued as a calculation chart for the design of cold extrusion prestressed cavity dies. Its classification is CCS J46 and ICS 25.120.20.
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Document preview — JB/T 5112-2017
National Standard of the People's Republic of China
- ICS
- 25.120.20
- Replacing
- JB/T 5112-1991
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
1 Foreword
JB/T 5112-2017 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 7 November 2017 and has been in force since 1 April 2018.
It replaces the earlier edition JB/T 5112-1991.
2 Scope
This standard is the Chinese machinery industry standard that sets the design specifications for prestressed combined dies used in cold extrusion. It covers the structural types of such dies, the design elements, and the materials and hardness to be used. It belongs to the extrusion die group of the JB/T series and is issued as a recommended standard. It quotes GB/T 1184, GB/T 1800.2 and JB/T 6054. It replaces JB/T 5112-1991, which was issued as a calculation chart for the design of cold extrusion prestressed cavity dies. Its classification is CCS J46 and ICS 25.120.20.
3 Normative references
JB/T 5112-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
GB/T 1800.2-2009
JB/T 6054-2001 — Cold extruded parts - Principles of process planning
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 5112-1991 (earlier edition)
6 Classification and status
International classification (ICS): 25.120.20
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
Normative references
- GB/T 1184-1996Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
- GB/T 1800.2-2009Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
- JB/T 6054-2001Cold extruded parts - Principles of process planning
Similar standards
Editions of JB/T 5112
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 5112-2017 | Extrusion dies - Prestressed combined dies for cold extrusion - Design specifications | current edition | Current |
| JB/T 5112-1991 | Extrusion dies - Prestressed combined dies for cold extrusion - Design specifications | previous edition | Superseded |
This page sells the current edition, JB/T 5112-2017. Earlier editions are listed for reference only.
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Related Standards
GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
GB/T 1800.2-2009 — Geometrical product specifications (GPS) - Limits and fits - Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts
JB/T 6054-2001 — Cold extruded parts - Principles of process planning
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JB/T 5112-2017
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