JB/T 9908.3-2017Surface grinding machines with horizontal wheel spindle and rotary table - Part 3: Testing of the accuracy (English PDF)
卧轴圆台平面磨床 第3部分：精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 9, 2017
Implementation date
July 1, 2017
Scope
JB/T 9908.3-2017 is the English-translated version of 卧轴圆台平面磨床 第3部分：精度检验.
JB/T 9908.3-2017 is part 3 of the Chinese machinery industry standard on surface grinding machines with a horizontal wheel spindle and a rotary table, and it deals with the testing of their accuracy.
It sets the requirements for geometric accuracy and working accuracy, the methods used to check them and the tolerances that apply. It covers the moving-table, moving-grinding-head and moving-column arrangements of such machines, and applies to those of ordinary precision with table diameters from 320 mm to 1600 mm, called machine tools in the text.
The standard is a recommended one, classified J55 in China and 25.080.50 internationally, and it replaces JB/T 9908.3-1999. It quotes GB/T 17421.1-1998.
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Document preview — JB/T 9908.3-2017
National Standard of the People's Republic of China
- ICS
- 25.080.50
- Replacing
- JB/T 9908.3-1999
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 9908.3-2017 was issued by MIIT on 9 January 2017 and has been in force since 1 July 2017.
It replaces the earlier edition JB/T 9908.3-1999.
It is one of 7 parts of the JB/T 9908 series.
2 Scope
JB/T 9908.3-2017 is part 3 of the Chinese machinery industry standard on surface grinding machines with a horizontal wheel spindle and a rotary table, and it deals with the testing of their accuracy. It sets the requirements for geometric accuracy and working accuracy, the methods used to check them and the tolerances that apply. It covers the moving-table, moving-grinding-head and moving-column arrangements of such machines, and applies to those of ordinary precision with table diameters from 320 mm to 1600 mm, called machine tools in the text. The standard is a recommended one, classified J55 in China and 25.080.50 internationally, and it replaces JB/T 9908.3-1999. It quotes GB/T 17421.1-1998.
3 Normative references
JB/T 9908.3-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 17421.1-1998
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 9908.1-1999 — spindle and rotary table - Parameters
JB/T 9908.1-2014 — Surface Grinding Machines with Horizontal Wheel Spindle and Rotary Table - Part 1: Types and Parameters
JB/T 9908.2-1999 — Horizontal spindle rotary table surface grinding machines - Series spectrum
JB/T 9908.2-2014 — Surface Grinding Machines with Horizontal Wheel Spindle and Rotary Table - Part 2: Specifications
JB/T 9908.4-1999 — spindle and rotary table - Technical requirements
JB/T 9908.4-2014 — Surface Grinding Machines with High Precision Horizontal Wheel Spindle and Rotary Table - Part 4: High Precision Tools - Testing of the Accuracy
Other editions:
JB/T 9908.3-1999 (earlier edition)
6 Classification and status
International classification (ICS): 25.080.50
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 9908.3
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 9908.3-2017 | Surface grinding machines with horizontal wheel spindle and rotary table - Part 3: Testing of the accuracy | current edition | Current |
| JB/T 9908.3-1999 | Surface grinding machines with horizontal wheel spindle and rotary table - Part 3: Testing of the accuracy | previous edition | Superseded |
This page sells the current edition, JB/T 9908.3-2017. Earlier editions are listed for reference only.
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Related Standards
JB/T 9908.4-2014 — Surface Grinding Machines with High Precision Horizontal Wheel Spindle and Rotary Table - Part 4: High Precision Tools - Testing of the Accuracy
JB/T 9908.2-1999 — Horizontal spindle rotary table surface grinding machines - Series spectrum
JB/T 9908.4-1999 — Surface grinding machines with horizontal spindle and rotary table - Technical requirements
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JB/T 9908.3-2017
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