No.P10224
P. 8 /47
3. GENERAL NOTICE OF OPERATION
3.1 Welding mode and wire size
Welding process
Wire
Wire size(in.
φ
)
DC wave
Hard aluminum
0.040/ 3/64
Pulsed MIG
Soft aluminum
3/64
AC wave
Hard aluminum
0.040/ 3/64
Pulsed MIG
Soft aluminum
3/64
Hard aluminum
0.040/ 3/64
Soft aluminum
3/64
Stainless
0.030 / 0.035 / 0.040 / 0.045
DC pulsed MIG
Mild steel solid
0.030 / 0.035 / 0.040 / 0.045
Hard aluminum
0.040 / 3/64
Soft aluminum
3/64
Stainless
0.030 / 0.035 / 0.040 / 0.045
AC pulsed MIG
Mild steel solid*
0.030 / 0.035 / 0.040 / 0.045
Note:
*Using M2 gas (a mixture of 98% argon and 2% oxygen) is recommended when welding process is AC pulsed MIG.
3.2 Rated duty cycle
CAUTION
●
Use this welding power source at or under the rated duty cycle. If exceeding the rated duty
cycle, the welding machine may be damaged.
●
Rated duty cycle of the welding power source: 80% (200A, 27V). When the welding power source is
operated on higher voltage than the rated voltage, the rated duty cycle must be lowered.
●
The duty cycle of 80% means the way the machine is rested for 2 minutes after 8 minutes of continuous
welding at the rated current.
10 min.
100
50
0
100
100
％
(Less than 178A)
Usable range
Duty
cycle(
％
)
Welding current(A)
200
80
％
(200A, 27V)
40
When the welding power source is used on
the higher voltage than the rated voltage.
(The left chart)
2 min.
8 min.
100
50
0
100
100
％
(Less than 167A)
Usable range
Duty
cycle(
％
)
Welding current(A)
200
70
％
(200A,36V)
40
Usable range
Usable range
100
50
100
100
％
(Less than 167A)
200
70
％
(200A,36V)
40
Usable range
0
100
50
100
100
％
(Less than 167A)
200
70
％
(200A,36V)
40
Usable range
Duty
cycle(
％
)
0
100
50
100
100
％
(Less than 167A)
200
70
％
(200A,36V)
40
Usable range
ON OFF
●
Failure to observe duty cycle limitations may result in temperature inside the welding machine
exceeding the tolerance, which may contribute to premature welding machine failure or product
damage.
●
The figures shown below indicate the relation between welding current and duty cycle. Use the welding
machine within its usable range, following the duty cycle for the welding current.
●
The duty cycle of the welding power source is also limited by the duty cycles of accessories combined
with, such as welding torches. Use the welding machine within the lowest rated duty cycle of the
accessories.
