Tinius Olsen MP1200 Extrusion Plastometer Page 10-7
Operation Manual # 02002215
10.5 Operational Notes:
10.5.1 The air supply must be clean and dry. If not, add the appropriate filters and/or
traps before the air regulator. The 20 psi (140 kPa) should work well and this
setting will apply approximately 60 pounds (27 kgs.) of force to the purge and
cleaning cylinders. DO NOT EXCEED 30 PSI (200 kPa) ON THE
REGULATOR.
10.5.2 Always be sure that the handle is properly inserted and centered in the
Cleaning Cylinder end fixture before activating the ram.
10.5.3 The WLD Platform MUST BE AT ITS TOP POSITION before using the
Cleaning/ Extraction Feature. This sets the proper height and alignment in
relation to the barrel. Operating it from any other position could
damage/break the extended cleaning tool or crash it into any tools in the back
end of the tooling rack mounted on the right side of the furnace.
10.5.4 Always be sure that the ridged end of the extended cleaning tool (with the
patch) is engaged in the top of the barrel before activating the ram.
10.5.5 Special weights must be provided for Flow Rate Ratio testing, the two top
weights will have a 1-1/4” center hole for the purge tool to get to the bottom
weight for the Post-Test Purge. The top weight will be 300 grams less than
standard with a small 300 gram plug weight to fit into the center hole on the
top weight for the Pre-Test Purge and the proper weight application. If the
standard Flow Rate Ratio weights (without center holes) are used the purge
option cannot be used in Flow Rate Ratio testing.
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