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Continued
Step 13 - Post Weld Settings
The post weld phase of the process is sometimes over-
looked; however, it is important in achieving desired
weld results. The
iQ
Servo Welder has several exclusive
post weld control parameters that can improve weld bond
strength and process repeatability.
Hold
There are two types of hold - Dynamic Hold and Static
Hold. These types can be used together or separately.
Dynamic Hold Method
During Dynamic Hold, which occurs immediately after
the weld phase, the press will continue to travel at the
programmed hold speed with the ultrasound turned off.
This feature provides the ability to collapse the molten
plastic after the ultrasonic signal is turned off, before
material solidification. This feature can be beneficial in
producing superior weld strength and appearance.
To program Dynamic Hold, find Post Weld > Dynamic
Hold Method, and select Distance . Then enter the de-
sired Hold Distance , Speed , and Max Time . The Max
Time parameter is used to terminate the machine cycle
if the dynamic hold distance is not reached within the
allowable time window. See Figure 6-19.
Figure 6-19 iQ Explorer II
, Process Settings> Post Weld > Dynamic Hold Method
Page 107
Dukane Manual Part No. 403-587-00
Section 6 - Optional Control