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Nelson N800iTM - Page 62

Nelson N800iTM
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Tucker GmbH, Mail / Post: Max-Eyth-Str.1, 35394 Gießen, Germany
Stud welding unit N800i
As of 24.08.2021
Manual part number: BE 1227
59
Main current time
Fully Lifted
Stud Travel
Touching Work
Front Panel Time
Drop Time
(F31)
Plunge Short
Circuit On-
Time (F2)
30 ms
20 ms
50 ms
The Actual Weld Time is the time from the start of the main current to the time that the
stud hits the workpiece. Under normal conditions, it will be equivalent to the Front
Panel Time. This time measurement is reported after the weld is complete.
For example:
Front Panel Time = 50ms
Drop Time (F31) = 20ms
Plunge short circuit ontime (F2) = 50ms
The weld profile would look like this:
The resulting Actual Weld Time is 50 ms. The main current would be on for the
Front Panel Time + Plunge short circuit ontime (F2) = 50ms+50ms=100ms, but
the arc would exist only during the Actual Weld Time, or 50ms.
Main current start
Gun Coil Released
Stud Hit
Workpiece
Main Current
Stop
Not to scale

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