Retsch PM 200 - Manual (Page 23)

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Retsch GmbH
23
Suitable grinding bowls for the PM100
The PM100 is only suitable for grinding bowls of the type
"Comfort" with a nominal volume of 12-500 ml.
They are available in the following materials:
 Agate
 Sintered corundum
 Zirconium oxide
 Stainless steel
 Special steel
 Tungsten carbide
The "Comfort" grinding bowl program was developed
especially for extreme test conditions, such as long-term
trials, high mechanical loadings, maximum speeds and for
mechanical alloying.
Grinding bowl filling level
Guide values for material volumes and balls
Nominal
volume
Utility
volume
Max. feed
grain size
Recommended ball filling
 10mm  20mm  30mm  40mm
12 ml - 5 ml 1 mm 5 pieces - - -
25 ml - 10 ml 1 mm 8 pieces - - -
50 ml 5 – 20 ml 3 mm 10 pieces 3 pieces - -
80 ml 10 – 35 ml 4 mm 25 pieces 5 pieces - -
125 ml 15 – 50 ml 4 mm 30 pieces 7 pieces - -
250 ml 25 – 120 ml 6 mm 50 pieces 15 pieces 6 pieces -
500 ml 75 – 220 ml 10 mm 100 pieces 25 pieces 8 pieces 4 pieces
If the filling level of the grinding bowl is too high or too low,
the end result will be impaired and the milling set could
become damaged (increased wear and tear).
Stacking of 50 ml milling cups of type “C”
It is possible to stack two 50 ml milling cups one on top of the
other. For stacking an adapter is required, which is available as
an accessory.
Stacking procedure
 Place milling cup M1 in the milling cup plate
 Place the adapter A1 on the lid of M1
 Place milling cup M2 in position
Clamp the milling cups as described in the section “Clamping the
milling cups”.
Stacking of milling cups less than 50 ml
It is also possible to stack milling cups with a capacity of less
than 50 ml one on top of the other.
Stacking procedure
 Place milling cup M2 on milling cup M1
Clamp milling cups as described in the section “Clamping the
milling cups”.
M2
M1
A1
M2
M1