6.1.2 Number of balls per grinding bowl (independent of the material quantity)
A higher number of balls will reduce the grinding time and the grinding
result will have a smaller particle size distribution.
Ball diameter (mm) Grinding bowl
volume (ml)
80
250
500
5
Number of balls (pcs)
250 - 300
1200 - 1300
2000 - 2500
10
Number of balls (pcs)
25 -30
50 - 150
100 - 250
15
Number of balls (pcs)
10
45 - 50
70 - 100
20
Number of balls (pcs)
5
15 - 20
25 - 35
30
Number of balls (pcs)
-
5 - 6
10
40
Number of balls (pcs)
-
-
4
These are reference figures: The number of balls may need to be deter-
mined through experimentation.
CAUTION!
When grinding with a ball size of
Ø
30 mm or
Ø
40 mm,
do not let the device run unsupervised. The vibrations
may lead to shifting.
Using the device
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