Tweco VAF4 Transmig - Manual (Page 29)

TRANSMIG VAF4
Manual 0-5231 3-11 INSTALLATION, OPERATION AND SETUP
Advanced Feature Left Display
Feature Description
Right Display
Parameter / Selection
Crater Wirefeed Speed
(only if Crater mode is ON)
This sets the reduced wire speed
during crater operation in 4T at the
end of the weld.
Default Crater Wirefeed Speed =
70%
An example is if Preview Wirefeed
speed is set to 14MPM and crater
wirefeed speed is set to 70%
crater wirefeed speed will be
9.8MPM. Note minimum crater
wirefeed speed is determined by
minimum preview wirefeed speed of
wirefeeder.
0 – 100% of
Welding Wirefeed
Speed Setting
Spot Time
This is used to weld two thin plates
together by melting the top &
bottom plates together to form a
nugget between them. The weld time
is set by the Spot Time.
Default Spot Time = 2.0 sec
0.1 to 20.0 seconds
Stitch feature is not available in spot mode.
Stitch Mode
This is used to weld two or more
components by stitch or interval
weld together. The weld time is set
by the Stitch Time and the non weld
time is set by the Dwell Time (off
time).
Default Stitch Mode = Off Stitch Mode ON /
OFF
Stitch is only available in 2T or 4T modes.
Stitch Time
(only if Stitch mode is ON)
This sets the “welding on” time in
Stitch mode.
Default Stitch Time = 2.0 sec
0.2 to 4.0 seconds
Dwell Time
(only if Stitch mode is ON)
This sets the “welding off” time in
Stitch mode.
Default Dwell Time = 0.5 sec
0.1 to 1.0 seconds