DEK高级培训资料.pdf - 第174页

V ision system locates and remembers Screen fiducial position in x and y STEP 1 Offset calibration Issue 2: July 2007 CENTROID

It is important that the fiducials are

set-up accurately before the ‘theta

calibration’ and ‘fiducial capture’

Vision calibration

Issue 2: July 2007

calibration’ and ‘fiducial capture’

are carried out

Vision system locates and remembers Screen fiducial

position in x and y

STEP 1

Offset calibration

Issue 2: July 2007

CENTROID

STEP 2

Vision system locates and remembers Board fiducial

position in x and y

Offset calibration

Issue 2: July 2007

CENTROID