2Welding Condition Setting Table; 3About Welding Conditions - Panasonic YC-300BZ3YHD Operating Instructions Manual

Dc tig welding power source
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8.2.2 Welding condition setting table
Items marked with  in the following table are applicable
if the PULSE selection button is set to "ON".
Pre-flow
Mode
Crater
time
OFF
O
TIG
ON
O
Repeat
SPOT
-
O
STICK
-
-
8.2.3 About welding conditions
Pre-flow time
Initial current
Up slope
Welding current
Down slope
Crater current
Post-flow time
Pulse current
Pulse frequency
Applicable if the PULSE selection button is set to "ON" in TIG
MODE.
It means the number of repeat times per second of the com-
bined waveforms of pulse current and welding current (as
shown in the following diagram as T(1Hz)).
Pulse width
Applicable if the PULSE selection button is set to "ON" in TIG
MODE.
With regard to the pulse frequency waveform, it is obtainable
from the following formula as the ratio between pulse current
width ("tp" in the right figure) and the total value of pulse cur-
rent width and welding current width ("T" in the right figure).
Pulse width (%)=(tp / T) x 100
OMCTT5621E18
Initial
Up
Welding
current
slope
current
-
-
O
O
O
O
-
-
O
-
-
O
Fig.1 In case of TIG welding with "Pulse" and "Crater"
Torch switch
operation
Pulse
current
Output current
Welding
current
Shield gas
Pre-flow
Down
Spot
Crater
Post-flow
slope
time
time
-
-
-
O
-
O
-
O
-
-
-
-
ON
OFF
Initial
current
Up slope
Pulse current
tp
T(1Hz)
Settings
Pulse
Pulse
time
current
frequency
O
O
O
-
-
-
-
-
ON
OFF
Down slope
Post-flow
Welding current
Pulse frequency
Pulse
width
-
-
37

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