Design and function
Definition of MIG/MAG welding tasks
099-005366-EW501
31.07.2014
59
Special, non-latched
Figure 5-24
Step 1
•
Robot issues the start signal to the power source.
•
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
for the time t
start
).
•
Slope to main program P
A
.
Step 2
•
Robot issues the stop signal to the power source.
•
Slope to end program P
END
for the time t
end
.
•
WF motor stops.
•
Arc is extinguished after the pre-selected wire burn-back time elapses.
•
Gas post-flow time elapses.
Summary of Contents for alpha Q 352 puls MM
Page 85: ...Circuit diagrams alpha Q 352 552 Puls 099 005366 EW501 31 07 2014 85 Figure 10 2...
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