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3.13 Welding conditions of WB-A350P/A500P
3-57
Table 3.13.2 Arc end conditions of WB- A350 P/ A400P
Welding condition
Welding condition
DC AC AC-DC
AE
AC waveform
―
〇
〇
Crater current
○
○
○
Crater time
○
○
○
Retract current
○
○
○
Retract speed
○
○
○
Postflow time
○
○
○
Postflow robot ope
○
○
○
Creaning width
―
○
○
AC frequency
―
○
○
AC-DC switching frequency
―
―
○
AC ratio
―
―
○
Slope time / Slope distance
○
○
○
Robot stop time
○
○
○
Wire precedence time
○
○
○
○
: Can be used
―
: Cannot be used.
3.13.2 Frequency during pulsed welding
Set the following conditions when pulsed welding (DC pulsed or AC pulsed) has been selected for
the welding mode.
- Pulse frequency (0.1 to 500 Hz)
- Pulse width ratio (5 to 95%)
The pulse width ratio is the ratio of the peak current duration to one period expressed as a
percentage, and it is defined by the following expression.
Pulse width ratio
=
b
×
100%
a
b
a
Fig. 3.13.1 Pulse width ratio
3.13.3 Cleaning width
The cleaning width can be set for AC welding. A value in the range –20 to +20 can be set.
The following effects occur when the numerical value of the cleaning width is changed.
Table 3.13.3 Effect caused by an increase or decrease in cleaning width
Setting value
Effect
-20
+20
(–) direction
(+) direction
Cleaning width
Narrower
Wider
Penetration depth
Deeper
Shallower
Electrode wear
Less
More
Содержание OTC Almega AX Series
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Страница 69: ...1 4 Welding mode lists 1 59...
Страница 109: ...2 2 Electrical connection diagram 2 10 Robot controller Figure 2 2 5 Electrical connection diagram of AXC...