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Figure 24: Custom Conversion Menu
6.4.4
Measuring Reference Samples
Sample surfaces must be prepared very carefully and if possible, sample
shall met the specific geometries to avoid coupling method.
The functioning of the Equotip 550 shall be verified against the Leeb test
block prior to each measurement series.
The functioning of the static hardness testing machine (HMMRC, HV, HB,
HRC etc.) shall be verified against respective test blocks of the corre-
sponding measuring scale and range.
To obtain a pair of comparative values, the mean value from at least 10
HL measurements and at least 3 values from the static test shall be cal-
culated. These values shall be obtained from proximate positions in a
small measuring area depending on application.
34
6.5
Combined Method
The existing default hardness conversions in Equotip Leeb devices are
based on specific sample geometries. A Portable Rockwell probe has
almost no restriction with regard to thickness and mass. For samples that
don't meet the Leeb specification, a simple custom correlation based on
the Portable Rockwell measurements enables the user to apply a cor-
rection factor and create a new hardness conversion. This is one exam-
ple where the combined method is used to fit one measuring method
with the help of another one, for an application which is not covered by
the default setup. But there are several other occasions where this help-
ful tool offers great help. This can be achieved following the combined
method wizard on the Equotip 550. This wizard allows the combination of
the Leeb and Portable Rockwell, the UCI and Portable Rockwell and also
the combination of UCI with Leeb method. In each combination the later
mentioned method is the reference method.
This wizard guides the user in five simple steps through the whole pro-
cess, and finally creates the conversion curve. For other applications it
can be used accordingly. For more information please see the "Equotip
Application Guide" on the Proceq homepage.
6.6
Mapping Wizard (Coming Soon)
The mapping wizard allows the user to create a 2-dimensional map with
readings. This is used to 'scan' a whole area. This wizard guides the user
in the whole process from defining the area, through the measurements
up to the final measuring report.
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