Retsch Mixer Mill MM 500 nano, Manual

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Operating the Device
34
Fig. 18:
Opening aid
Component Function
ÖH Opening aid The clamping screws on the grinding jar cover are
tightened using the supplied opening aid . The opening aid
can additionally be used to unscrew the clamping screws
on the grinding jar and the locking wheels on the grinding
jar support.
ÖS Side for clamping screws This side is for tightening and unscrewing the clamping
screws on the grinding jar cover.
ÖR Side for locking wheel This side is for unscrewing the locking wheels on the
grinding jar supports.
6.5.1 Grinding Jar Identification
All grinding jars and the corresponding grinding jar covers can be identified by labelling on the
outside. The labelling indicates the size and material of the grinding jar.
6.5.2 Ball Sizes and Speeds
A very large amount of energy is applied to the sample material on the MM 500 nano. This
large amount of energy also affects the grinding jars and the grinding balls.
Depending on the grinding jar size , the following recommendations therefore apply to the
sample volume and ball sizes that can be used.
6.5.3 Recommended maximum ball sizes
Grinding jar size Ball size
50 ml 25 mm
80 ml 25 mm
125 ml 20 mm
ÖH
ÖS
ÖR