User Manual

Advanced Programming 9-3
Chip Offset
Chip Offset is the distance between the edge of the part (usually a die) and the edge of the
dispensing needle. It is defined to ensure that the needle does not chip the die edge during a
dispense. The Chip Offset is used in the X-axis and Y-axis as shown in Figure 9-1. A formula
is used to calculate the Chip Offset:
½d
n
+ 7 mil = Chip Offset
where d
n
is the outer diameter of the needle.
Reticles can also be used to perform the same function as Chip Offset. Using reticles while
programming can often be easier and quicker to use than the Chip Offset formula. Refer to
“Vision System Setup” in Chapter 6 – Setup and Configuration for reticle setup instructions.
Figure 9-1
1/2 Needle
Diameter + 7 mils
from Corner in
X
and Y -axis
Chip
Needle Tip
Chip offset
Perimeter