JB/T 3584-2012Superabrasive - Testing method of bulk density (English PDF)
超硬磨料 堆积密度测定方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 24, 2012
Implementation date
November 1, 2012
Scope
JB/T 3584-2012 is the English-translated version of 超硬磨料 堆积密度测定方法.
JB/T 3584-2012 is the Chinese standard "Superabrasive - Testing method of bulk density". Its scope clause reads: This standard specifies the testing apparatus and method of bulk density of superabrasive.
This standard is applicable to the testing of bulk density of synthetic diamond and cubic boron nitride with a grain size of 16/18~325/400. Its clauses include test conditions.
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Document preview — JB/T 3584-2012
National Standard of the People's Republic of China
- Replacing
- JB/T 3584-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword i
- 1 Scope
- 2 Normative references
- 3 Test conditions
- 3.1 Test environment
- 3.2 Workbench
- 4 Apparatus
- 4.1 Apparatus structure
- 4.2 Funnel
- 4.3 Funnel locking device
- 4.4 Distance from the lower end of funnel neck to the upper end of measuring cylinder
- 4.5 Measuring cylinder
- 4.6 Scraper
- 4.7 Balance
- 5 Volume calibration of measuring cylinder
- 5.1 Calibration period
- 5.2 Calibration steps
- 5.3 Calculation
- 6 Testing method
- 7 Data processing
- 7.1 Calculation
- 7.2 Permissible deviation
1 Scope
This standard specifies the testing apparatus and method of bulk density of superabrasive.
This standard is applicable to the testing of bulk density of synthetic diamond and cubic boron nitride with a grain size of 16/18~325/400.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced documents (including any amendments) applies.
GB/T 6406 Super abrasive - Grain sizes of diamond or cubic boron nitride
JB/T 3914 Superabrasive - Sampling method
3 Test conditions
3.1 Test environment
The test shall be carried out under the following atmospheric conditions:
- - relative humidity: 45%~55%;
- - temperature: 20~25°C.
3.2 Workbench
The workbench shall be firm and vibration-proof, and its surface shall be smooth and covered with a 5mm-thick rubber board or soft plastic board.
......
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 3584
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 3584-2012 | Superabrasive - Testing method of bulk density | current edition | Current |
| JB/T 3584-1999 | Superabrasive - Testing method of bulk density | previous edition | Superseded |
This page sells the current edition, JB/T 3584-2012. Earlier editions are listed for reference only.
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