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DYNA MMA 500S
、
500GTS
、
500(H)S
、
500(H)GTS
、
630S
、
630GTS Operating Manual
4.01 Stick welding
z
Connect work lead to negative terminal.
z
Connect electrode lead to positive terminal.
z
Switch machine on.
z
Set welding current control (see table 7).
Workpiece thickness mm
0.5-2.0 2.0-5.0 5.0-7.0
Electrode diameter mm
1.0-2.0 2.0-3.2 3.2-4.0
Welding current
（
A
）
10-50 50-150 150-250
Table 7
4.02 DC TIG welding
z
Connect work lead to positive terminal.
z
Connect TIG torch to negative terminal.
z
Switch machine on.
z
Set welding current control (see table 8).
z
Use TIG torch with value control.
Workpiece
thickness (mm)
Tungsten
diameter (mm)
Welding current
(A)
Filler wire
diameter (mm)
Argon Gas flow
(L/min)
0.3-0.5 1-1.6 5-30
3-8
0.5-1.2 1.6-2 10-50 1.2-1.6 4-8
1.2-2 1.6-2 10-50
1.2-1.6 4-8
1.2-2 1.6-2 30-70
1.6-2.0 6-9
2-4 2-4
60-100
1.6-2.0
7-10
4-6 3-4
100-200
2.0-2.5
1-15
Table 8
