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WELDERS ITEM 8201N ÷ 8214N
EDITION: MAY 2008 PAGE 17 OF 32
4.3 WORKING PROGRAM ADJUSTMENT
This operation consist in choosing the welding parameters and entering them directly on the
welding control. Select parameters from table or personal experience taking into consideration
the plate thickness, the welding desired quality etc..
Use short weld time to reduce the electrodes heating and to increase their life, avoiding at the
same time oxidation on the contact surfaces. The best quality welds are obtained by using times
as short as possible with high current and electrode force.
Notice that when operating pieces with different thickness, the welding parameters to be used
are those referring to the lower thickness.
This welder can operate under two different working modes: single cycle and, by using only the
foot device, automatic cycle. The adjustment instructions are stated on the welding control unit
instruction manual. When working in automatic cycle, as long as the start-cycle control device is
activated, the welder will repeat welding cycles at the settled off time. In single cycle, even
though the start device is kept activated, the welding unit will stop after having carried out a
single cycle; to carry out the next one, it is necessary first to release the device and then press it
once again. To prevent from any risk, use the automatic cycle only when it is really
necessary; it must not be activated when it is not used.
On welders equipped with option 8232, a rotary selector enables to select the required welding
program. By adjusting the selector on “0”, the machine will work with the program selected on the
control unit.
Welders equipped with low force squeeze:
Use a 1° SQUEEZE time long enough to allow the elec trodes to reach the pieces to be welded
before the welding force is activated.
Adjust SQUEEZE at a value high enough to allow the air coming out from the cylinder lower
chamber (reaching, by doing so, the correct welding force) before the welding process starts.
