JB/T 4211.2-2014Cold Heading Dies for Screws - Part 2: Dies (English PDF)
螺钉冷镦模 第2部分：凹模
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 4211.2-2014 is the English-translated version of 螺钉冷镦模 第2部分：凹模.
JB/T 4211.2-2014 is a recommended Chinese machinery industry standard on cold heading dies for screws, and its second part is the die itself. It fixes the structural type and the dimensions of that die, the material and the hardness demanded of it, and its marking.
The dies concerned are those mounted on double-stroke solid-die automatic cold heading machines producing screws. Classification is J46 in the Chinese system and 25.120.30 in the international one.
The part quotes the screw standards GB/T 65-2000, GB/T 67-2000, GB/T 68-2000, GB/T 69-2000, GB/T 818-2000, GB/T 819.1-2000, GB/T 819.2-1997 and GB/T 820-2000, and with JB/T 4213.
It supersedes JB/T 4211.9-1996 through JB/T 4211.12-1996. Issued on 9 July 2014, it has applied since 1 November 2014.
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Document preview — JB/T 4211.2-2014
National Standard of the People's Republic of China
- ICS
- 25.120.30
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 4211.2-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.
It replaces the earlier edition JB/T 4211.2-1996.
It is one of 13 parts of the JB/T 4211 series.
2 Scope
This standard is a recommended Chinese machinery industry standard on cold heading dies for screws, and its second part is the die itself. It fixes the structural type and the dimensions of that die, the material and the hardness demanded of it, and its marking. The dies concerned are those mounted on double-stroke solid-die automatic cold heading machines producing screws. Classification is J46 in the Chinese system and 25.120.30 in the international one. The part quotes the screw standards GB/T 65-2000, GB/T 67-2000, GB/T 68-2000, GB/T 69-2000, GB/T 818-2000, GB/T 819.1-2000, GB/T 819.2-1997 and GB/T 820-2000, and with JB/T 4213. It supersedes JB/T 4211.9-1996 through JB/T 4211.12-1996.
3 Normative references
JB/T 4211.2-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 65-2000
GB/T 67-2000
GB/T 68-2000
GB/T 69-2000
GB/T 818-2000
GB/T 819.1-2000
GB/T 819.2-1997
GB/T 820-2000
JB/T 42136-2014
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 4211.1-1996 — Dies for cold heading screws - Final upsetting punches - Type A
JB/T 4211.1-2014 — Part 1: Punches for Final Upsetting
JB/T 4211.3-1996 — Dies for cold heading screws - Final upsetting punches - Type C
JB/T 4211.4-1996 — Dies for cold heading screws - Final upsetting punches - Type D
JB/T 4211.5-1996 — Dies for cold heading screws - Final upsetting punches - Type E
JB/T 4211.6-1996 — Dies for cold heading screws - Final upsetting punches - Type F
JB/T 4211.7-1996 — Dies for cold heading screws - Final upsetting punches - Type G
JB/T 4211.8-1996 — Dies for cold heading screws - Final upsetting punches - Type H
JB/T 4211.9-1996 — Dies for cold heading screws - Dies - Type A
JB/T 4211.10-1996 — Dies for cold heading screws - Dies - Type B
JB/T 4211.11-1996 — Dies for cold heading screws - Dies - Type C
JB/T 4211.12-1996 — Dies for cold heading screws - Dies - Type D
Other editions:
JB/T 4211.2-1996 (earlier edition)
6 Classification and status
International classification (ICS): 25.120.30
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 65-2000Slotted cheese head screws
- GB/T 67-2000Slotted pan head screws
- GB/T 68-2000Slotted countersunk flat head screws
- GB/T 69-2000Slotted raised countersunk head screws
- GB/T 818-2000Pan head screws with cross recess
- GB/T 819.1-2000Countersunk flat head screws with cross recess -- Part 1: Property class 4.8
JB/T 42136-2014
Similar standards
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Related Standards
JB/T 4211.3-1996 — Dies for cold heading screws - Final upsetting punches - Type C
JB/T 4211.1-1996 — Dies for cold heading screws - Final upsetting punches - Type A
JB/T 4211.4-1996 — Dies for cold heading screws - Final upsetting punches - Type D
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JB/T 4211.2-2014
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