Axis 7100 Installation Guide Page 177

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ADT Model 7100 Semi-Automatic Dicing System Operations Manual
Workpiece Alignment
P/N 97100-9002-000-14 Ver 06/05
6.1-15
6.1.3.3.1 Low Model Detection
After the first low model is detected at the taught position, the system
starts searching for the second model. If the search fails, the system
performs an index spiral search (see
Figure 6-12).
In case the Index spiral search fails, the system performs a directional
search as shown below.
After having found the second model (2), the system starts searching for
the third model (3). If it fails, it performs both an index spiral search and a
directional spiral search the same way as it does for the second model. The
starting position of the first directional spiral search is the mirror model of
the third model, which is related to the first model. The second directional
Figure 6-12: Spiral Search
Figure 6-13: Directional Search
7 1
2
8
6
35 4
Small Spiral Search
Original Model
Note: A directional spiral search is a search in which the model is searched in
positions whose X coordinates are advanced in a defined direction by an
interval of the X align index. In each position a spiral search is performed.
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