Unitrol SOLUTIONi - Page 73

SECTION D, PAGE 5
SOLUTION IN PRODUCTION
D2.3 WELD SEQUENCE WITH REPEAT:
WELD
CURRENT
SQUEEZE TIME
ELECTRODE
FORCE
RESISTANCE
WELDING CURRENT
TIME
BASIC WELD SEQUENCE WITH REPEAT
HOLD TIME OOCY
REPEAT OFF TIME 00
INITIAL SQ UEEZE00CY
SQUEEZE TIME 00CY←
WELD TIME 00 CY
WELD HEAT 00%
MOD.WELD HEAT 00%
If you are using the DIFFERENTIAL PRESSURE TRANSDUCER in the
QC control, and you use the transducer per the directions further down in
these directions, putting anything in SQUEEZE TIME or INITIAL
SQUEEZE will just increase the time it takes to make each weld and
slow down production.
RESISTANCE
WELDING CURRENT
OR ELECTRODE FORCE
HOLD
TIME
REPEAT
OFF TIME
CLOSE FOOT SWITCH
OPEN ELECTRODES
CLOSE ELECTRODES
INITIAL
SQUEEZE TIME
WELD TIME
SQUEEZE TIME
Before pushing the foot switch to start a weld, be sure that the colored
lights are on to represent the way you want to operate the welder.