Calibration
40 334784G
Calibration
Gun Compensation (optional)
For high speed and precision applications.
NOTE: Before entering gun compensation values, make
sure the gun-trigger offset has been entered on Event
Map, page 29.
Gun compensation ensures higher accuracy of bead
placement. Begin with Recommended Values below
and adjust according to Calibration Routine.
Recommended Values
GM-100: 5-10 ms
GS-35: 10-20 ms
Unknown, other: 10 ms
Calibration Routine
1. Navigate to Gun Setup, page 33.
2. Dispense desired pattern (program contained within
the pattern controller).
3. Measure the error distance between the dispensed
pattern on the product and the desired pattern.
4. Adjust open/close compensation values according
to the following Gun Compensation Table and
Gun Compensation Formula below.
5. Repeat steps 2-3 until desired pattern achieved.
Gun Compensation Adjustment Guide:
Gun Compensation Formula:
Determine the gun compensation adjustment amount in milliseconds.
Bead offset distance in inches (mm) as a function of Gun Compensation and Line Speed
Edge Leading Edge Trailing Edge
Relative Position
Desired:
vs.
Dispensed:
Lagging Leading Lagging Leading
Adjustment Increase Decrease Increase Decrease
Gun
Compensation
(ms)
Line Speed
50 ft/min
15.24 (m/min)
100 ft/min
30.48 (m/min)
200 ft/min
60.96 (m/min)
500 ft/min
154.24 (m/min)
1000 ft/min
304.8 (m/min)
5
0.05 in.
1.27 (mm)
0.1 in.
2.54 (mm)
0.2 in.
5.08 (mm)
0.5 in.
12.7 (mm)
1.0 in.
25.4 (mm)
10
0.1 in.
2.54 (mm)
0.2 in.
5.08 (mm)
0.4 in.
10.16 (mm)
1.0 in.
25.4 (mm)
2.0 in.
50.8 (mm)
20
0.2 in.
5.08 (mm)
0.4 in.
10.16 (mm)
0.8 in.
20.32 (mm)
2.0 in.
50.8 (mm)
4.0 in.
101.6 (mm)
Adjustment (ms) =
5000 x Measured offset distance (in.)
Line speed (ft/min)
Adjustment (ms) =
60 x Measured offset distance (mm)
Line speed (m/min.)
Standard units:
Metric units:
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