
6.1.2 Recommended 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
1200
2000
10
Number of balls (pcs)
25
50
100
15
Number of balls (pcs)
10
45
70
20
Number of balls (pcs)
5
15
25
30
Number of balls (pcs)
-
6
8
40
Number of balls (pcs)
-
-
4
Balls Ø 3mm and smaller
Material
Grinding bowl volume
(ml)
80
250
500
Zirconium
oxide
Weight of balls (gram)
100
400
800
Hardened,
stainless
steel
Weight of balls (gram)
150
500
1100
Tungsten car-
bide
Weight of balls (gram)
300
1000
2100
These are reference figures: The number of balls may need to be deter-
mined through experimentation. The minimum number of balls advised
is binding.
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
- 30 -
Содержание PULVERISETTE 6 Classic
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