Choose The Welding Gas; Starting Up And Adjustments; Use Of Power Source For Covered Electrode Welding - Air Liquide Optipuls 280 i Safety Instruction For Use And Maintenance

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2. CHOIX DU GAZ DE SOUDAGE
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3. MISE EN MARCHE ET REGLAGES
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4. UTILISATION DU GENERATEUR POUR LE
SOUDAGE A L'ELECTRODE ENROBEE
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( voir dépliant FIGURE 8 à la fin de la notice)
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Précision de la mesure d'intensité :
Précision de la mesure de tension :
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OPTIPULS 280 / 350 / 380
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ARCAL 21 ARCAL 14
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ARCAL 1 ARCAL 31
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ARCAL 12 ARCAL 121
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# 5% # 0.4V!
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The welding gas which is used must correspond to the welding application case. The
table below shows the main cases and gases which can be used with solid wires.
Key
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ATAL 5 A ATAL 5 TERAL 23
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ARCAL 32 ARGON NERTAL
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ARCAL 129 NOXALIC 12
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(1) product quality : homogeneity, control of impurities, traceability
!" Starting up : the main ON/OFF switch is located on the front
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4. USE OF POWER SOURCE FOR COVERED
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Disconnect the power cable from the wire feed unit harness.
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Connect the earth cable and the electrode-holder clamp cable on the
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power output terminals of the power source. Polarity is to be selected
according to the type of electrode (see information on the electrode
packet).
On the front panel, select the
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The other buttons are then inactive.
In this mode, the welding current is constantly present on the
power source + and – output terminals.
Adjust the welding current with the red wire feed unit button by reading
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the value on the top display-unit. Plan on 40A per millimeter of electrode
diameter for general cases.
The top display-unit shows the welding current adjustment value (pre-display);
the bottom display-unit shows the no-load voltage.
Then when welding, the indicators display the welding current and voltage values.

2. CHOOSE THE WELDING GAS

= very good = good
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ELOXAL 35 Non-alloyed steels and low-alloyed steels
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Compactness!
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Resilience mechanical characteristic!
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INARC 9 Light alloys and cuprous alloys
%%%! Penetration!
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Stainless steels
Penetration!
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%%%! Aptitude to pulsed current!
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3. STARTING UP AND ADJUSTMENTS

panel of the power-source. This switch is used to start the
unit up on position .
ELECTRODE WELDING
see fold-out FIGURE 8 at the end of the manual)
position via potentiometer 3
Current measurement accuracy :
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7% 2A
Voltage measurement accuracy :
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5% 0.4V
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= average
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