EWM alpha Q Progress drive 4D EF Operating Instructions Manual page 61

Special latched with changing welding method by tapping (process switching)
To activate or set the function - See 5.8.17 Expert menu (MIG/MAG) chapter.
1st cycle
•
Press and hold torch trigger.
•
Shielding gas is expelled (gas pre-flows)
•
Wire feed motor runs at "creep speed"
•
Arc ignites after the wire electrode makes contact with the workpiece, welding current is flowing (start
program P
START
2nd cycle
•
Release torch trigger
•
Slope on main program P
The slope on main program P
latest when the torch trigger is released.
Tapping (pressing the torch trigger for less than 0.3 sec.) changes over the welding process (P
If a standard process has been defined in the main program, tapping changes to the pulse
process, and tapping again will return to the standard process, etc.
rd
3 cycle
•
Press and hold torch trigger
•
Slope to end program P
4th cycle
•
Release torch trigger
•
WF motor stops
•
Arc is extinguished after the pre-selected wire burn-back time elapses
•
Gas post-flow time elapses
This function can be activated using the PC300.NET software.
Refer to the software operating instructions.
099-005459-EW501
17.12.2015
)
A
is given at the earliest after the set time t
A
END
Design and function
Figure 5-30
MIG/MAG welding
elapses and at the
START
61
).
B