4 working with the pellet press, 1 sample preparation, 2 preparing and filling the pressing tool – FRITSCH PULVERISETTE 9 User Manual
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TABLET PRESS
4
Working with the Pellet Press
Only start to operate the device once all work described in Chapter 3 has been
carried out!
4.1 Sample preparation
The sample must have a fineness suitable for the material. If necessary, you
should carry out test pressings. In the case of some materials, especially very
hard materials, the sample must be mixed with "washing powder" as a binder
before pressing. The mixing ratio is 1 part washing powder to 4 parts sample
material.
You can find recommended binders for reinforcing pellets at:
4.2 Preparing and filling the pressing tool
1.
The pressing tool must be clean and dry.
2.
Place the bottom tool (12) on a smooth surface as shown in the figure.
3.
After this, place the die (11) on the bottom tool (12).
4.
Now fill the prepared sample into the die (11). The sample quantity is
dependent on the required Pellet thickness.