FT-106B超硬材料堆积密度测定�?/span>

FT-106B Superhard material bulk density tester

一－�/span>参照标准standard９�/span>

JB/T 3584-1999本标准是寸�/span>JB 3584-84《超硬磨料堆操作密度测定方法》；ANSI B74.17-1976《金刚石磨粒堆积密度的检验方法《�/span>

适用于粒度为16/20~325/400的人造金刚石和立方氮化硼的堆积密度测宙�/span>

This standard applies to the measurement of the bulk density of the synthetic diamond and cubic boron nitride which in 16/20 ~ 325/400

FT-106B超硬材料堆积密度测定�?/span>

二．参数资料９�/span>Technical Parameters

1.量筒９�/span>10±0.2；精度：0.015g：�/span>

Cylinder:10±0.2, accuracy９�/span>0.015g

2.外形尺寸９�/span>160mm*160mm*195mm

Dimensions９�/span>160mm*160mm*195mm

3.相对湿度９�/span>45%~55%：�/span>Relative humidity: 45%~55%

4.温度９�/span>20~24ℂ�/span>Temperature: 20~24ℂ�/span>

5.漏斗材质：黄铜；漏斗顶部内径９�/span>57.1 mm±0.01 mm；锥部高度：41.3 mm

导出的锥部角度：63°±10′；漏斗颈内径：6.4 mm±0.03 mm；漏斗颈长度９�/span>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‱�/span>, funnel neck inner diameter:

6.4 mm±0.03 mm, funnel neck length: 6.4 mm±0.03 mm

6.漏斗锁闭装置:以一个直径为19 mm的橡皮球，用两根弹簧固定在漏斗颈的下端出口处，不允许有颗粒漏下、�/span>漏斗颈下端至测量筒口的距离为61.9 mm±0.1mm、�/span>

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.测量筑�/span>the measuring cylinder

材质：黄铛�/span>Material: Brass

内径９�/span>19.3 mm±0.01 mm inner diameter９�/span>19.3 mm±0.01 mm

内深９�/span>34.2 mm±0.02 mm internal depth９�/span>34.2 mm±0.02mm

容积：约10 mL volume: 10 mL

8.刮板：刮板工作面的棱角应平整，其平直度在每毫米长度内应小亍�/span>0.1 mm

Scraper: the edge of scraper working surface should be smooth, the flatness shall be less than 0.1 mm per mm.

9.允许偏差９�/span>16/20~325/400粒度的试样，三次测定的堆积密度值允许偏差不应大亍�/span>0.015 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.