JB/T 9908.4-2014Surface Grinding Machines with High Precision Horizontal Wheel Spindle and Rotary Table - Part 4: High Precision Tools - Testing of the Accuracy (English PDF)
卧轴圆台平面磨床 第4部分：高精度磨床 精度检验
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 9908.4-2014 is the English-translated version of 卧轴圆台平面磨床 第4部分：高精度磨床 精度检验.
JB/T 9908.4-2014 is a recommended standard of the Chinese machinery industry and covers the accuracy testing of high-precision surface grinding machines with a horizontal wheel spindle and a rotary table.
It gives the test methods and the matching tolerances for geometric accuracy and for working accuracy. The part deals with machines of the moving-table type and with the type in which the column carriage moves.
Accuracy verification is carried out in accordance with GB/T 17421.1. The document takes the place of JB/T 9910.1-1999. Issued on 6 May 2014, it has applied since 1 October 2014.
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Document preview — JB/T 9908.4-2014
National Standard of the People's Republic of China
- ICS
- 25.080.50
- Replacing
- JB/T 9910.1-1999
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 9908.4-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.
It replaces the earlier edition JB/T 9908.4-1999.
It is one of 7 parts of the JB/T 9908 series.
2 Scope
JB/T 9908.4-2014 is a recommended standard of the Chinese machinery industry and covers the accuracy testing of high-precision surface grinding machines with a horizontal wheel spindle and a rotary table. It gives the test methods and the matching tolerances for geometric accuracy and for working accuracy. The part deals with machines of the moving-table type and with the type in which the column carriage moves. Accuracy verification is carried out in accordance with GB/T 17421.1. The document takes the place of JB/T 9910.1-1999. Issued on 6 May 2014, it has applied since 1 October 2014.
3 Normative references
JB/T 9908.4-2014 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 — Surface grinding machines with horizontal spindle and rotary table - Parameters
JB/T 9908.1-2014 — 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 — Horizontal Wheel Spindle and Rotary Table - Part 2: Specifications
JB/T 9908.3-1999 — Surface grinding machines with horizontal spindle and rotary table - Testing of the accuracy
JB/T 9908.3-2017 — Surface grinding machines with horizontal wheel spindle and rotary table - Part 3: Testing of the accuracy
Other editions:
JB/T 9908.4-1999 (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 9908.4
| Edition | Title | Revision | Status |
|---|---|---|---|
| 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 | current edition | Current |
| JB/T 9910.1-1999 | Surface Grinding Machines with High Precision Horizontal Wheel Spindle and Rotary Table - Part 4: High Precision Tools - Testing of the Accuracy | previous edition | Superseded |
This page sells the current edition, JB/T 9908.4-2014. Earlier editions are listed for reference only.
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Related Standards
JB/T 9908.3-1999 — Surface grinding machines with horizontal spindle and rotary table - Testing of the accuracy
JB/T 9908.3-2017 — Surface grinding machines with horizontal wheel spindle and rotary table - Part 3: Testing of the accuracy
JB/T 9908.2-1999 — Horizontal spindle rotary table surface grinding machines - Series spectrum
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JB/T 9908.4-2014
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