MAWA-050A
5. Welding
5-15
(6) -2-3. Fine weld operation
The fine weld mode is applied when the initial current time FST (ms) on the Welding condition setting
screen is set to 0 (ms) and the Fine Weld Mode on the Switch select screen (1/2) is set to “ON.”
Example of the fine weld mode setting on the Welding condition setting screen
Example of the fine weld mode setting on the Switch select screen
Operation summary of the fine weld mode
Touch start head
Torch
Workpiece
Pre-flow
argon gas
Main
welding
Electrode touch
sensor (OFF)
Electrode touch
sensor (ON)
Torch follow-up
part
Argon gas
After-flow
argon gas
Head is a standby state at
the start position.
Start signal ON: Head
moves to workpiece surface
from the standby position
Pre-flow: Argon gas output
ON
After electrode and
workpiece make contact,
torch follow-up part moves
up. After that, electrode
touch sensor is turned ON.
After that, Head stops.
After Head stops, it moves
up to the main welding
position.
After torch follow-up sensor
moves down, electrode
touch senor is turned OFF.
After that, the main welding
starts. While Head moves
up, the main welding is done
for the set time.
Head stops at the main
welding position.
After-flow: Argon gas output
ON
Start signal OFF: Head
returns to the standby
position.
