Retsch PP 40 - Manual (Page 16)

08.02.2012 Retsch GmbH
16
0002
Preparation of the pressing process
Place the tool slide into the filling or cleaning position.
Place the press ring into the die of the press tool.
Fill in the sample material by means of the filling funnel.
Pay attention that no material is laying on the ring rim.
Remains on the ring rim can be removed by means of a
brush.
Put aside the filling funnel and push the tool slide into
the pressing position slowly and steadily. The slide locks
into place.
You can then close the hood and start the PP40.
Please take necessary measures, depending on the
dangerous nature of your pressing material, to avoid danger
to persons.
Check the quality of the press rings regularly.
Damaged rings can cause a damage to press tool.
The filling quantity shall be 8 – 12 ml.
The rings and press tool used could otherwise become
damaged.
Pellet press ring filling level
If the filling level of the pellet press ring is too high or too low
the pressing result will be impaired.
Please take such measures in accordance with the
hazardousness of your sample material as to avoid any
possible danger for persons coming into contact with it.
Parameter Setting Example
Sample: cement clinker
Pellet press ring filling level
net weight:
ring 51,5 / 35 x 8,6 approximately 12g
ring 40 / 32 x 14 approximately 14g
force progression:
pressing force ca. 12 t
build-up time 20 s
holding time 20 s
release time 20 s
The values of this example are an example and may vary
depending on cement clinker and pressing tools .
Removal of the pellet
To remove the pellet, the sliding tray is pulled into the
position for cleaning and snaps in audibly. The display shows
“Cleaning”.