AMETEK Brookeld Page 19 Manual No. M08-372-F1116
The operator sets the trigger value, target deformation (travel distance into the sample) and the test
speedusingtheNormalmenuscreen:
TEST: NORMAL
TRIGGER: XXX.X g
DEFORMATION:XXX.X
mm
SPEED: X.XX mm /s
Figure III.6
A normal test performs a single compression cycle when the operator depresses the start button.
Beginning at the position where the trigger load is measured, the probe descends at the programmed
test speed to the target deformation, then returns immediately to home/starting position. Return
travelspeedis4.5mm/s.Duringthetesttherunningscreenisseenasshownbelow:
TEST: NORMAL
DEFORMATION:XXX.X mm
LOAD: XXXX.X g
Figure III.7
Deformation and Load will remain live displays during the test.
Testresultsareshownonthereportingscreen:
PEAK LOAD: XXXX.X g
DEF@PEAK: XXX.X mm
WORK: XXXX.X mJ
FINAL LOAD: XXXX.X g
TEMP: XXX.X F
Figure III.8
Peak load is reported as the maximum measured load during the test.
Deformation at peak is the distance to which the sample was compressed when the peak load occurred.
Workisdenedastheenergyrequiredtodeformasample.Itiscalculatedbymeasuringtheforce
vs. distance to compress or pull apart the sample. Work done is reported in milli-Joules.
Finalloadistheloadatmaximumdeformation.Oftenthepeakloadandnalloadwillbethesame
value.
A new feature is the display of adhesive force and adhesiveness in the NORMAL mode. The POST
SPEED of the probe will be the GLOBAL post speed value.
Adhesiveness and Adhesive Force - These values are measured as the energy and force required
to separate a probe from the sample on the return stroke.
NORMAL mode Final screen - After the probe has returned to the START position, the display
will show the test results for ADHESIVE FORCE and ADHESION (ADHESIVENESS). Since
only four lines are available on the display, rotate the Select Knob to scroll down to observe the
addedparametersasshowninthefollowinggure.
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