
APPENDIX I: PRESSURE CONTROL OPTION
STA SERIES AC CONTROLS
990-351
I-3
5
Place a force gauge between the
electrodes.
6
If the force output option is installed,
press the
WELD ON
button on the
Control Panel to close the electrodes.
NOTE:
In
FORCE CALIBRATION
mode, the Control will
not
send weld
current to the electrodes.
7
If the force output option is not
installed, press the
WELD ON
button to
close the electrodes. Set the air pressure
to approximately 30 psi. Use the psi
of the screen to adjust the air pressure..
8
Let the force stabilize, then check the force on the force gauge.
9
Press the
WELD ON
button to release the weldhead. Enter the number of pounds under
Lo-
Psi
on the LCD screen.
10
Select
Hi-Psi
on the control.
11
Place a force gauge between the electrodes.
12
If the Force Output Option is installed, press the
WELD ON
button on the Control Panel to
close the electrodes.
If the force output option is not installed, press the WELD On button to close the electrodes.
Set the air pressure to approximately 80 psi. Use the psi indicator in the upper left corner of
the screen to adjust the air pressure.
13
Let the force stabilize, then check the
force on the force gauge.
14
Press the
WELD ON
button to release the
weldhead. Enter the number of pounds
under
Hi-Psi
on the LCD screen.
000
*** FORCE CALIBRATION ***
Psi
(All Force Entries in Pounds)
Channel-----------------Valve Channel-----------------Valve
# Lo-Psi Hi-Psi # # Lo-Psi Hi-Psi #
F1 0119 0364 N/A F5 0000 0001 N/A
F2 0000 0001 N/A F6 0000 0001 N/A
F3 0000 0001 N/A F7 0000 0001 N/A
F4 0000 0001 N/A F8 0000 0001 N/A
15
Press the
PROGRAM/SAVE
button to save this information. Calibration for this Channel is
now complete.
16
Example:
As shown above on the right, Low Pressure was
119 lbs.
, High Pressure was
364
lbs
. Repeat Steps 3-13 to calibrate other channels.
Summary of Contents for Miyachi Unitek STA-100A
Page 1: ...990 351 Rev H AC WELDER STA SERIES OPERATION MANUAL...
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Page 68: ...CHAPTER 5 MAINTENANCE STA SERIES AC CONTROLS 5 4 990 351...
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Page 96: ...APPENDIX D SYSTEM TIMING STA SERIES AC CONTROLS D 2 990 351 Continuous Seam Weld...
Page 98: ...APPENDIX D SYSTEM TIMING STA SERIES AC CONTROLS D 4 990 351 Spot Welding...
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