DEK高级培训资料 - 第176页
V ision system calculates x and y of fset between screen and board fiducials STEP 3 Offset calibration Issue 2: July 2007 Y OFFSET X OFFSET
STEP 2
Vision system locates and remembers Board fiducial
position in x and y
Offset calibration
Issue 2: July 2007
CENTROID
Vision system calculates x and y offset between screen and
board fiducials
STEP 3
Offset calibration
Issue 2: July 2007
Y OFFSET
X OFFSET
Performed after ….
•
Camera replacement
Vision and Offset Calibrations
Issue 2: July 2007
•
Camera replacement
•
Vision height adjustment (Rising table)
•
Rail to table height adjustment
•
Actuator replacement
Objective 31: Complete the tasks in your workbook.