GE SpotChecker, Operating Manual

Page: 62 / 98

The gate logic can be set for each gate: coincidence
(match) or anticoincidence (non-match).
An overview shows the number of the sets of gates
already stored for each evaluation criterion during the
con
fi guration. At the same time, the number of refer-
ence scans matching the currently frozen A-scan is in-
dicated. If an A-scan is frozen, all stored sets of gates
are immediately checked against this A-scan. The
numbers of the matching reference scans are marked.
This enables a fast, intuitive, and optimum con
fi gura-
tion of the Evaluation Assistance.
H
Note:
The description of typical echo sequences by the two-
dimensional gates must be based on a suf
fi cient num-
ber of exact comparison measurements using refer-
ence spot welds in order to avoid any measurement
errors in the automatic evaluation as far as possible.
Advantage: Model results can be fi led for any chosen
materials. The system can be trained and is open to
future applications.
Example:
De fi nition of a model scan for inspection criterion OK.
H
Note:
If, during evaluation, no result is obtained (symbol:
evaluation not possible) then there is no comparable
model scan for the active A-scan, i.e. not all cases
were acquired during recording of the model scans.
Evaluation Assistance IV
The Evaluation Assistance IV has been developed for
special process requirements in spot weld inspections.
Individual inspection reports
The software SpotChecker
62
Issue 02, 03/2009 SpotChecker