FIRST TIME CONTROL SETUP
SECTION B, PAGE 10
B8. HEAD WEIGHT: If you disconnect the air coming into the welder
and the electrode closes by gravity with some force between them, that
force, called HEAD WEIGHT, is entered here so that your calculations will be
accurate.
For example, if you need 500 pounds force for a weld and the HEAD WEIGHT is
150 pounds, you will only need 350 pounds of force out of the air cylinder to get
the desired 500 pounds between the electrodes.
HEAD WEIGHT can be measured by using a digital hand-held electrode force
measuring device. However if this is not available or your hand-held unit does not
have any accuracy in the low range, you can use a digital UPS scale. Put a 14
gage or thicker sheet of steel on top and bottom of the scale to prevent the
electrodes from denting the soft steel panels of a typical scale.
If the welder has a TIP DRESS valve that removes all air from the bottom of the air
cylinder, turn on this valve.
If the welder does NOT have a TIP DRESS valve, remove the incoming air
pressure going to the welder to allow the electrode to close under gravity.
Enter the measured HEAD WEIGHT value (if any) and press:
If you are installing a control with SOFT TOUCH, you cannot use the
SOFT TOUCH TIP DRESS switch to close the electrodes for this test.
In this case you have to remove all of the air from the welder to
measure the HEAD WEIGHT.
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