Resistance Welder MULTISPOT MI-100
Operation
39
6.5.4 Pushing-in
dents
Small high spots dents caused by overlapping load in the boot or by beating out with pulling
tool can easily be flattened with contact piece (only for sheets up to 1 mm thickness).
1.
Insert contact piece (
Fig. 46
) into the
gun.
2.
Select "pushing in dent" and sheet
thickness (
projection) on display.
3.
Fine-adjust, if necessary.
4.
Position welding gun with contact piece
on the dent and press firmly.
5.
Press release button of the gun.
6.
The welding program performs
automatically.
Fig. 46: contact piece U-B
NOTE!
Do not lift off welding gun until the welding time has expired
6.5.5 Shrinking
sheet
1.
Grind
damaged area to a bright metal
finish.
2.
Insert carbon electrode (
Fig. 47
) into
contact piece of the welding gun.
3.
Select "anneal/shrink" on display
(time controller is now inoperative).
4.
Locate the damaged area by finger
pressure.
5.
Position carbon electrode (39) in the
centre of the damaged area.
6.
Press and keep hold of release button
of the gun and heat the metal sheet
with spiral motions from the centre
outwards.
7.
Immediately quench the sheet with a
wet cloth or compressed air.
Repeat if necessary.
If necessary, the degree of annealing can
be increased or decreased on the display
(sheet gauge) by one level up or down
.
Fig. 47: carbon electrode
Danger!
The carbon electrode becomes red-hot! Danger of injury and fire!
Wear protective gloves!
