Axis 7100 Installation Guide Page 188

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Workpiece Alignment
Advanced Dicing Technologies Ltd.
6.1-26
coordinate values. The system uses the first and second Cut Verify models
to find their Y coordinates and Theta angle (see
Figure 6-21).
Setting the Yes/No parameter called "Shrinkage before cutting" to Yes
allows the shrinkage algorithm to be fully activated prior to the cutting
stage.
6.1.8 Average Index
When the index in a part of the cut map changes, the system can be set up
to calculate the average index. The system finds the first and the last
model of each cut verification sequence and calculates the average index
for each group of indexes.
When the nominal distance between the first and last index of an
application is known, a Nominal Distance algorithm can be employed.
Nominal Distance defines the assumed, or estimated, distance between the
highest and lowest points along the Y-Axis, between which the streets are
located. It enables measuring a vertical distance between two cut-verify
models and calculating an average index. This feature is based on the
existing average index State Machine.
Figure 6-21: Rotational Shrinkage Parameters
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