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PART DOWNSTROKE DOWNSTROKE WELD TIME WELD DIST WELD ENERGY HOLD TOTAL TOTAL
COUNT TIME DIST PRESSURE 1 PRESSURE 1 PRESSURE 1 TIME CYCLE TIME STROKE
13 0.994 1.7916 0.038 0.0026 >>20.9 0 1.032 1.7942
Figure 6-8 Weld Segment Terminated by a Bad Part Limit
Weld Termination Due to Secondary Control
Secondary controls are additional controls that allow the weld to be con-
trolled by more than one process parameter. In this example, the weld por-
tion of the cycle ends when either the primary control parameter (in this
case, Weld by Time for 50 ms) or the secondary control parameter (Weld
Energy for 20.0 joules) is reached. In either case, the cycle proceeds to
the hold portion of the cycle provided that no process characteristics fall
outside of the bad limits. Figure 6-7 shows the results using Weld Energy
as a secondary control.
PART DOWNSTROKE DOWNSTROKE WELD TIME WELD DIST WELD ENERGY HOLD TOTAL TOTAL
COUNT TIME DIST PRESSURE 1 PRESSURE 1 PRESSURE 1 TIME CYCLE TIME STROKE
3 0.999 1.7915 0.037 0.0024 20.3 1.000 2.036 1.8089
4 0.944 1.7919 0.038 0.0024 20.9 1.000 1.982 1.8089
5 0.906 1.7922 0.038 0.0021 20.9 1.000 1.944 1.8090
Figure 6-7 Weld Segment Terminated by a Secondary Control
Weld Termination Due to a Bad Limit
As with all bad part limits, falling outside of a limit results in an immediate
termination of the process. Figure 6-8 illustrates the results when a bad part
limit was exceeded for Weld Energy. The two “greater than” arrows (>>)
preceding the Weld Energy measurement indicates that a bad part upper
limit was exceeded. These arrows, known as limit indicators, are always
displayed in the Cycle Data.
Page 90
iQ Series Ultrasonic Generator/Power Supply ES User’s Manual
Dukane Manual Part No. 403-575-00