MAWA-300B
5. Welding
5-11
(6)-2-1. Normal mode operation
The normal mode is applied when the initial current time FST (ms) on the Welding condition setting
screen is set to 1 to 200 (ms).
Touch start head
Torch
Workpiece
Pre-flow
argon gas
Initial
current
Main
welding
Electrode touch
sensor (OFF)
Electrode touch
sensor (ON)
Torch follow-up
part
Argon gas
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.
While Head moves up,
the initial current is
applied.
Head stops at the main
welding position.
After the end of the initial
current time (FST), the
main welding is done for
the set time.
After-flow: Argon gas
output ON
Start signal OFF: Head
returns to the standby
position.