JB/T 9927.2-2019Short thread milling machines - Part 2: Technical requirements (English PDF)
短螺纹铣床 第2部分：技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 2, 2019
Implementation date
January 1, 2020
Scope
JB/T 9927.2-2019 is the English-translated version of 短螺纹铣床 第2部分：技术条件.
The second part of JB/T 9927, numbered JB/T 9927.2-2019, sets the technical specifications for short thread milling machines. It states the requirements that govern the design and the manufacture of these machines, and the requirements for their inspection and acceptance.
It applies to thread milling machines that produce ordinary threads by the combing method, with a maximum milling diameter of 200 mm, a maximum milling length of 80 mm and a maximum workpiece length of 2500 mm.
It quotes GB 5226.1-2008, GB/T 9061-2006, GB 15760-2004, GB/T 17421.5-2015, GB/T 23570-2009, GB/T 25372-2010, GB/T 25373-2010, GB/T 25374-2010, GB/T 25376-2010, JB/T 3997-2011, JB/T 8356-2016 and JB/T 9927.1-2019. It replaces JB/T 9927.2-1999.
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Document preview — JB/T 9927.2-2019
National Standard of the People's Republic of China
- ICS
- 25.080.99
- Replacing
- JB/T 9927.2-1999
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 9927.2-2019 was issued by MIIT on 2 May 2019.
It replaces the earlier edition JB/T 9927.2-1999.
It is one of 3 parts of the JB/T 9927 series.
2 Scope
The second part of JB/T 9927, numbered JB/T 9927.2-2019, sets the technical specifications for short thread milling machines. It states the requirements that govern the design and the manufacture of these machines, and the requirements for their inspection and acceptance. It applies to thread milling machines that produce ordinary threads by the combing method, with a maximum milling diameter of 200 mm, a maximum milling length of 80 mm and a maximum workpiece length of 2500 mm. It quotes GB 5226.1-2008, GB/T 9061-2006, GB 15760-2004, GB/T 17421.5-2015, GB/T 23570-2009, GB/T 25372-2010, GB/T 25373-2010, GB/T 25374-2010, GB/T 25376-2010, JB/T 3997-2011, JB/T 8356-2016 and JB/T 9927.1-2019. It replaces JB/T 9927.2-1999.
3 Normative references
JB/T 9927.2-2019 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 5226.1-2008
GB/T 9061-2006
GB 15760-2004
GB/T 17421.5-2015 — Test code for machine tools -- Part 5: Determination of the noise emission
GB/T 23570-2009 — Welding parts for metal cutting machines - General specifications
GB/T 25372-2010 — Metal-cutting machine tools - Accuracy grade
GB/T 25373-2010 — Metal-cutting machine tools - General specifications of assembling
GB/T 25374-2010 — Metal-cutting machine tools - Measuring method of cleanliness
GB/T 25376-2010 — Metal-cutting machine tools - General specifications of machining parts
JB/T 3997-2011 — Grey iron castings for metal cutting machine tools - Technical requirements
JB/T 8356-2016 — Packaging of machine tools - Technical requirements
JB/T 9927.1-2019 — Short-thread milling machines - Part 1: Testing of the accuracy
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 9927.1-1999 — Testing of the accuracy
JB/T 9927.1-2019 — Short-thread milling machines - Part 1: Testing of the accuracy
Other editions:
JB/T 9927.2-1999 (earlier edition)
6 Classification and status
International classification (ICS): 25.080.99
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 9061-2006Metal-cutting machine tools - General specifications
- GB 15760-2004Metal cutting machines - General specifications for safeguarding
- GB/T 17421.5-2015Test code for machine tools -- Part 5: Determination of the noise emission
- GB/T 23570-2009Welding parts for metal cutting machines - General specifications
- GB/T 25372-2010Metal-cutting machine tools - Accuracy grade
- GB/T 25373-2010Metal-cutting machine tools - General specifications of assembling
GB 5226.1-2008
Similar standards
Editions of JB/T 9927.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 9927.2-2019 | Short thread milling machines - Part 2: Technical requirements | current edition | Current |
| JB/T 9927.2-1999 | Short thread milling machines - Part 2: Technical requirements | previous edition | Superseded |
This page sells the current edition, JB/T 9927.2-2019. Earlier editions are listed for reference only.
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Related Standards
GB/T 17421.5-2015 — Test code for machine tools -- Part 5: Determination of the noise emission
GB/T 23570-2009 — Welding parts for metal cutting machines - General specifications
GB/T 25372-2010 — Metal-cutting machine tools - Accuracy grade
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