Part No. 729-110-040 Rev. 1.41 | June 2016
© 2016 Nelson Stud Welding, Inc. All Rights Reserved.
29
5.3.5 Weld Parameter Presets
The power source has 10 available preset configurations. Each of these is assigned a time and current setting
for commonly welded stud sizes. To select a preset, simply press one of the keys: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0.
When a preset is selected, the time and current are displayed on the front panel, and the LED on the selected
preset key lights.
Nelweld users are not restricted to pre-programmed presets, but may save more usable weld settings. To do
so, first select the desired time and current settings using the corresponding up/down arrow key. Continue by
pressing and holding the desired preset key for 4 seconds. The preset values will be replaced by the desired
custom values. When the orange LED of the preset button being pressed turns on, the selected preset has
been successfully programmed.
5.3.6 Recommended Weld Parameters
The values specified in the tables and diagrams must be seen merely as guide values, which were achieved
under optimized welding conditions.
The best possible weld parameters must always be determined with proper attention to factors such as the
material and surface quality of the workpiece, plate thickness, welding position, stud type, stud dimensions,
etc. in trial welds.
Attention must be paid conducting the trial welds under conditions equivalent to the real conditions used for
production.
In obtaining the best welding result, the electrical and mechanical weld parameters must be precisely adjusted
for the desired welding task.
Upon faulty welds, the settings on the welding unit and the weld gun must be optimized.
The weld parameters in the tables and in Stud Expert
™ are provided as is, without warranty of any
kind, either expressed or implied, including, but not limited to, the implied warranties of
merchantability and fitness for a particular application. Performance suitability for any specific
application should be determined by the user. The user assumes all liability of the use or the results of the
use of the recommended weld parameters.
Nelson cannot assume any responsibility for updating or correcting the welding advice or guide values once
they have been given, nor does the provision of information create, expand or alter any warranty with respect
to the sale of our products.
Summary of Contents for ArcCharger N550C DOMESTIC
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