JB/T 12638-2016Centring lever dial indicators (English PDF)
定中心杠杆指示表
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 15, 2016
Implementation date
June 1, 2016
Scope
JB/T 12638-2016 is the English-translated version of 定中心杠杆指示表.
JB/T 12638-2016 is a recommended standard of the Chinese machinery industry for centering lever indicators. The document fixes the terminology and definitions, the type and basic parameters, the requirements, the inspection conditions, the inspection methods, and the marking and packaging of the instrument.
It applies to fixed centering lever indicators with a scale value or resolution of 0.01 mm or 0.005 mm and an indicating range of no more than 3 mm. It quotes GB/T 1219-2008 and GB/T 17163-2008.
The Chinese classification is J42 and the international classification 17.040.30.
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Document preview — JB/T 12638-2016
National Standard of the People's Republic of China
- ICS
- 17.040.30
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Type and basic parameters
- 5 Requirements
- 5.1 Appearance
- 5.2 Interaction
- 5.3 Indicating dial
- 5.4 Self-rotation error
- 5.5 Repeatability
- 5.6 Measuring force
- 5.7 Torsional force
- 5.8 Hardness of the working face of the probe
- 5.9 Surface roughness of the working face of the probe
- 6 Inspection conditions
- 7 Inspection methods
- 7.1 Appearance
- 7.2 Interaction
- 7.3 Indicating dial
- 7.4 Self-rotation error
- 7.5 Repeatability
- 7.6 Measuring force
- 7.7 Torsional force
- 7.8 Hardness of the working face of the probe
- 7.9 Surface roughness of the working face of the probe
- 8 Marking and packaging
- Figure 1 Centring lever indicator
What this standard covers
This standard specifies the terminology and definition, type and basic parameters, requirements, inspection conditions, inspection methods, marking and packaging of the centering lever indicator. This standard applies to the scale value/resolution of 0.01 mm, 0.005 mm, indicating the table range of not more than 3 mm fixed center lever indicator.
Document data
International classification (ICS): 17.040.30.
Chinese classification (CCS): J42.
Estimated length of the Chinese original: 7,775 words.
Standards quoted by this document
GB/T 1219-2008; GB/T 17163-2008
3 Terms and definitions
4 Type and basic parameters
5 Requirements
6 Inspection conditions
7 Inspection methods
8 Marking and packaging
......
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
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