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4
OPERATION
4.1
General
Caution:
Have you read and understood the safety information ?
You must not operate the machine beforehand !
General safety regulations for the handling of the equipment can be found on
page 77. Read through before you start using the equipment!
S
Select electrode type and flux powder or shielding gas so that the weld material
is as close as possible to the analysis of the base metal.
S
Select electrode size and welding data in accordance with the values
recommended by the welding materials supplier.
S
Thorough preparation of the weld surfaces is necessary to achieve a good weld.
NOTE!
The width of the weld joint gap must be uniform.
S
To minimise the risk of heat crack formation, the width of the weld must be
greater than the penetration depth.
S
Always carry out a test weld with the same joint type and sheet thickness as the
production work piece.
S
For control and adjustment of the automatic welding machine and welding power
supply, see the instruction manual for the A2 Welding Control Unit (
PEI
).
GB