FT-106BSuperhard material bulk density tester
FT-106B Superhard material bulk density tester
One standardstandard:
JB/T 3584-1999This standard is forJB 3584-84Revision of the method for determining the operating density of superhard abrasive stacks. This standard is not equivalent to the American standardANSI B74.17-1976Test method for bulk density of diamond abrasive grains
JB/T 3584-1999 is a revision of the JB 3584-84 'super hard abrasive heap operation density test method'.This standard is not equivalent to the American national standard ANSI B74.17-1976 “The test method for the bulk density of the diamond grinding grain”
This standard is applicable to particle sizes of16/20~325/400Measurement of Bulk Density of Synthetic Diamond and Cubic Boron Nitride
This standard applies to the measurement of the bulk density of the synthetic diamond and cubic boron nitride which in 16/20 ~ 325/400
2、 Technical parameters:Technical Parameters
1.Measuring cylinder:10±0.2Accuracy:0.015g;
Cylinder:10±0.2, accuracy:0.015g
2.External dimensions:160mm*160mm*195mm
Dimensions:160mm*160mm*195mm
3.Relative humidity:45%~55%;Relative humidity: 45%~55%
4.Temperature:20~24℃Temperature: 20~24℃
5.Funnel material: brass; Inner diameter of funnel top:57.1 mm±0.01 mmCone height:41.3 mm
Exported cone angle:63°±10′; Inner diameter of funnel neck:6.4 mm±0.03 mmFunnel neck length:6.4 mm±0.03 mm
Funnel material: brass, funnel top inner diameter: 57.1 mm±0.01 mm, cone height: 41.3 mm, exported cone angle 63°±10′, funnel neck inner diameter:
6.4 mm±0.03 mm, funnel neck length: 6.4 mm±0.03 mm
6. Funnel locking device:Using a diameter as19 mmThe rubber ball is fixed at the lower outlet of the funnel neck with two springs, and no particles are allowed to leak down. The distance from the lower end of the funnel neck to the mouth of the measuring cylinder is61.9 mm±0.1mm.
Funnel locking device: A rubber ball with a diameter of 19 mm, two springs are fixed at the lower end of the funnel neck, particle leakage is not allowed. Distance from the lower end of the funnel neck to the measuring cylinder is 61.9 mm±0.1mm.
7. Measuring cylinderthe measuring cylinder
Material: BrassMaterial: Brass
Inner diameter:19.3 mm±0.01 mm inner diameter:19.3 mm±0.01 mm
Internal depth:34.2 mm±0.02 mm internal depth:34.2 mm±0.02mm
Capacity: Approximately10 mL volume: 10 mL
8.Scraper: The edges and corners of the scraper working surface should be flat, and its straightness should be less than or equal to one millimeter per length0.1 mm
Scraper: the edge of scraper working surface should be smooth, the flatness shall be less than 0.1 mm per mm.
9.Allowable deviation:16/20~325/400The allowable deviation of the bulk density value of the sample with particle size measured three times should not exceed0.015 g/cm3
Allowed deviation: 16/20~325/400 particle size sample, the allowed deviation of the bulk density values for the three determination should not be greater than 0.015 g/cm3.