Bedienungsanleitung Elektra Beckum Mig Mag 232EP (Seite 16 von 60) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch)

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6.4 Connect the gas cylinder

1. Place gas cylinder on Powerbox and

secure with chain against turning

over.

2. Connect gas hose to the SDV (40).

Note:

The SDV is fitted with a solenoid

valve. Gas flows only during the welding

process.

3. Connect gas hose to pressure regu-

lator.

7.1 Control unit for default

machine settings

1. Open SDV cover.

2. Stipulate the welding process set-

tings with the selector switches:

−the type of electrode wire (Wire

Type)

−the wire diameter (Wire Diame-

ter)

−the type of shielding gas (Gas

Type)

−the operating mode (Mode Selec-

tion)

−the burnback timer (Wire burn-

back control).

7.2 Charateristics curves

The default charateristics curves, sup-

plied with the machine, are selected by

the settings made at the control unit for

the default machine settings.

Example: Charateristics curve for

MIG brazing

MIG brazing is suitable for brazing gal-

vanized sheet metal. To select this cha-

rateristics curve, the following settings

must be made.

Wire type: Cu/CuZn

Gas type: I1 (Argon) or

M12 (0-5% CO2,

balance Argon)

Operating mode: MIG/MAG or

pulsed MIG/MAG.

Note:

The allocation of settings and

corresponding charateristics curves is

shown on the label affixed to the inside

of the cover.

As an option, any charateristics curve

can be changed by a PC via the connec-

tor socket for programming.

Note:

Detailed information about pro-

gramming of characteristic curves is

available from the service centre in your

country (see address listing on back

cover of the spare parts list).

The operating mode PROGRAMM is

reserved for charateristics curve pro-

gramming.

7.3 Gas type

I1 = 100% Argon

M13 = 0-3% O2, balance Argon

M12 = 0-5% CO2, balance Argon

M21 = 0-25% CO2, balance Argon

7.4 Pulsed MIG/MAG

2-step = manual welding operation:

1. Actuate the torch trigger

The welding process starts.

2. Release the torch trigger

The welding process ends.

4-step = continuous welding operation:

1. Actuate and release the torch trigger

The welding process starts.

2. Actuate and release the torch trigger

again

The welding process ends.

4-step+H = continuous welding operation +

High-Start:

1. Actuate the torch trigger

Welding current and wire feed

speed are increased by 25% over

the set values.

2. Release the torch trigger

The welding process runs at the set

values.

3. Actuate the torch trigger again

The welding process will then run at

a reduced welding current (rated

current reduction).

4. Release the torch trigger

The welding process ends.

ABS (reduced value for end crater fill-

ing)

With the ABS function the parameters of

the charateristics curve are reduced for

the pulsed MIG/MAG welding process

for best welding results. The end of the

weld is welded with reduced power and

end craters are prevented.

The ABS function is dependent on the

selected wire type.

7.5 MIG/MAG

2-step = manual welding operation:

1. Actuate the torch trigger

The welding process starts.

2. Release the torch trigger

The welding process ends.

4-step = continuous welding operation:

1. Actuate and release the torch trigger

The welding process starts.

2. Actuate and release the torch trigger

again

The welding process ends.

Integrated softstart

The machine features an integrated soft-

start for the MIG/MAG and pulsed MIG/

MAG welding modes.

As long as there is no welding current

flow, the electrode wire is fed very

slowly. This prevents to much wire emer-

gence. As soon as the arc starts the wire

is fed at the preset speed.

Note:

In position EXT (MIG/MAG and

pulsed MIG/MAG) an external control

can be connected.

If this operating mode is selected and no

external control connected, the machine

operates in 2-step mode.

7.6 Manual arc welding

ELECTRODE:

After arc start the welding process

run for a brief period with an

increased welding current (inte-

grated Hot-Start).

The welding current increase for the

intergrated Hot-Start is 25% of the

set welding current.

Example:

Welding current = 100 A

Current increase = 25%

=> Hot-Start current = 125 A.

7.7 FBZ Burnback time

If set correctly, the burnback timer keeps

the electrode wire from sticking to the

weld pool. Adjustment is made with the

selector switch Burnback Time. The

scale values of 1-10 correspond to a

burnback time range of 0…0.4 s.

7. Default Machine Settings

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