Ferramentas e equipamentos para reparos de carroceria
Tools and Equipment for Body Repairs

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501-25-24
Body Repairs - General Information
501-25-24
DESCRIPTION AND OPERATION
computer. The measurements are displayed on
the computer screen and are compared with the
required values supplied by the vehicle
manufacturer.
The ways in which mechanical-electronic
measuring systems can be used are similar to
those of the acoustic measuring systems. They
can also be set up on a suitable understructure,
without an alignment jig. After this system has been
arranged under the vehicle floor and adjusted to
three undamaged vehicle measuring points, the
measuring arm is brought up to the required
measuring points and the readings compared with
the reference values. The data is transmitted to a
computer where it is evaluated and the results
displayed on a screen.
TO BE UPDATED LATER
Des
Description
FULSW
ion
1
MIG welding machine
2
Resistance spot welding machine
NOTE: If a suitably powerful welding machine is
not available and multi-layer panel joints with a
total thickness of over 3 mm need to be made,
puddle welding must be used.
Although in principle, high and ultra-high-strength
panels are adequately or well suited to resistance
spot welding, considerable problems may arise
because of low welding power, especially where
thicker panels or triple or multi-layer panels have
to be welded together in the workshop. In
particular, older welding equipment does not have
the latest welding technology nor welding power
Welding gear
As in the past, the dominant process in body
construction is resistance welding, in particular
spot welding. Depending on body type, up to 5000
spot welds are applied, either by welding robots or
in the multi-point welding machine.
Resistance spot welding permits very high energy
to be concentrated on a relatively small area of the
workpiece in the shortest possible time and when
high pressure is applied, a permanent joint is
formed. During repairs the resistance spot welds
used in production must be re-created accordingly.
and therefore cannot reliably join panel thicknesses
greater than 3 mm.
NOTE: When installing body components made of
ultra-high strength steel (e.g. boron), only inverter
welding equipment certified by Ford may be used.
Equipment with inverter technology allows better
spot weld quality because of a constant high
welding current. In addition the high welding current
makes shorter welding times possible and the
electrodes therefore have a longer working life.
Inverter welding is a further development of
electrode welding. In addition, a much higher
electrode force (contact pressure of welding tongs)
can be achieved with modern equipment.
Further advantages of the new inverter welding
equipment are: