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Welding in method MIG/MAG
Welding wire is lead from the roller into the flow dra
-
wing tie with the use of the feed. arc joins thawing wire
electrode with welding material. Welding wire func
-
tions as a carrier of the arc and as the source of addi
-
tional material at the same time. protective gas flows
from the spacer which protects arc and the whole weld
against the effects of surrounding atmosphere (pic. 8).
Protection gases
Gas opening
Tip holder
Welding tip
Welding arc
Wire feeder rolls
Welding wire
Nas nosle
Protection gas
Welding
piece
picture 8
Protective gases
Inert gases - MIG method
Active gases - MIG method
Argon (Ar)
Helium (He)
Mixtures of He/Ar
Carbon dioxide
Mixed gases
Ar/CO
2
Ar/O
2
Warning about possible problems
and their remedy
the extension cord and welding cables are considered
the most common cause of the problem.
If you have
any problems, follow these steps:
• check the value of the supplied mains voltage.
• make sure that the power cord is fully connected to
the power outlet and the main power switch.
• make sure the fuses or the circuit breakers are ok.
if you are using the extension cable, check its length,
cross-section and connection.
Make sure the following parts are not defective:
• main switch of the grid
• power socket and main power switch
Routine maintenance and inspection
check according to eN 60974-4. always before use the
machine to check the condition of the welding and
supply lines cable. do not use damaged cables.
perform a visual check:
• welding cables
• power grid
• welding circuit
• covers
• control and indicator elements
• general status
en
table 8: orientation parameters for miG / maG welding
Welding
current (A)
Welding
voltage (V)
Material
(mm)
Wire feed speed (m/min.)
Ø 0.6 mm
Ø 0.8 mm
Ø 1.0 mm
40 a
13 - 15 v
1 - 2
2 - 3
60 a
14 - 16 v
2 - 4
3 - 5
2 - 3
80 a
15 - 17 v
3 - 5
6 - 8
3 - 5
2 - 3
100 a
16 -
19 V
3 - 5
8 - 10
3 - 6
2 - 3
120 a
17 -
20 V
4 - 6
4 - 7
3 - 5
140 a
19
- 21 v
5 - 10
5 - 8
3 - 5
160 a
20
- 22 v
5 - 10
6 - 9
4 - 7
180 a
21 - 23 v
5 - 10
6 - 9
