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User manual
LOADING THE FILLER WIRE
a
b
- Check the inscription on the roller to ensure that the rollers are suitable for the wire diameter and
the wire material (for Ø 1.0 wire, use the Ø 1.0 groove).
- Use V-grooved rollers for steel and other hard wires.
- Use U-grooved rollers for aluminium and other soft, alloyed wires.
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:
Notes:
• A liner that is too narrow can lead to feed issues and cause the motor to overheat.
• The torch connection must also be properly tightened to prevent it from overheating.
• Check that neither the wire nor the spool touches the mechanics of the unit, otherwise there is a risk of short-circuit.
RISK OF INJURY FROM MOVING COMPONENTS
The reels have moving parts that can trap hands, hair, clothing or tools, causing injuries.
• Do not touch rotating, moving or driving parts of the machine.
• Ensure that the housing doors or protective covers remain closed during operation.
• Do not wear gloves when threading the filler wire or changing the wire spool.
SEMI-AUTOMATIC STEEL/STAINLESS STEEL WELDING (MAG MODE)
This machine can weld steel and stainless steel wire from Ø 0.6 to 1.6mm (I-A). The unit is supplied with Ø 1.0/1.2 rollers for steel or stainless steel
as standard. The contact tip, the grooved roller, and the torch liner are designed for this application.
For operation on steel, a specific welding gas (Ar+CO2) is required. The amount of CO2 may vary depending on the type of gas used. For stainless
steel, use a 2% CO2 mixture. When welding with pure CO2, it is necessary to connect a gas pre-heater to the gas cylinder. For specific gas issues,
please contact your gas distributor. The gas flow rate for steel is between 8 and 15 litres per minute depending on the envirionment. To check the
gas flow rate on the manometer without unwinding the welding wire, press and hold push-button n°1 and follow the procedure on the screen. This
check should be done periodically to ensure the best possible welding perfomance. Refer to the HMI manual.
SEMI-AUTOMATIC ALUMINIUM WELDING (MIG MODE)
The unit can weld aluminium wire from Ø 0.8 to 1.6mm (I-B).
For use with aluminium, pure argon gas (Ar) is required. When it comes to choosing your gas, ask a gas distributor for advice. The gas flow rate for
aluminium is between 15 and 20 l/min depending on the surrounding environment and the welder's experience.
The differences between steel and aluminium applications are as follows:
- Use specific rollers for aluminium welding.
- Apply minimum pressure to the rollers on the wire feed motor to avoid compressing the wire.
- Only use the capillary tube (for guiding the wire between the feed rollers and the EURO connector) for steel/stainless steel welding (I-B)
- Use a dedicated aluminium torch. This aluminium torch has a teflon liner to reduce friction. DO NOT cut away the coating at the tip of the connector!
This coating is used to guide the wire from the rollers.
- Contact tips: use a SPECIAL aluminium contact tip that matches the wire diameter.
28
Translation of the original
instructions
a
To change the rollers, do the following:
- Loosen the knobs (a) to the maximum and lower them.
- Unlock the rollers by turning the retaining rings (b) by a quarter turn.
- Fit the correct drive rollers for your application and re-lock the retaining rings.
The rollers supplied are double groove rollers:
- steel Ø 1.0/1.2
visible inscription on the roller (example: 1.2 = Ø 1.2)
groove to be used
To install the wire, follow the steps below:
- Loosen the knobs to the maximum and lower them.
- Insert the wire, then close the wire feeder and tighten the knobs as indicated.
- Press the trigger on the torch or press the wire-inching switch (II-12) in the wire feeder to
activate the motor.
NEOFEED-4W
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