Operating Instructions 6
man-CH-PVF-C-V17-2 Minilab 35
6.2.2 Compactability Measurement
1. With Pedestal (Figure 8.1, Item 14) underneath, fill the
Specimen Tube (Figure 8.1, Item 12) using a sieve, and level off
the excess molding sand. The small edge of the tube must be
facing upward.
2. Place the prepared Specimen Tube and Pedestal in their
position under the Piston (Figure 8.1, Item 3) on the PVF-C and
close the Protection Doors (Figure 8.1, Item 5) (see Figure
6.2.1).
3. Select menu, "Compactability," on the Operator Panel (Figure
8.1, Item 6) and press the “Measurement” Button (Figure 8.1,
Item 1) on the enclosure door to begin testing.
The Piston extends downward and compacts the sand with a pressure of
100 N/cm
2
(with the standard 1963 N. Force settings may be adjusted in
accordance with Section 6.1.6). The compactibility is shown as a
percentage on the display. During the compacting process the current
force is also shown on the display.
4. After completion of the measurement, remove the Specimen
Tube and eject the sand specimen with the removal pin.
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