pei-POINT INVERTER AS25-13K Wartungsanleitungen Seite 18

3.6.1 OPERATING GUIDE FOR AUTOBODY REPAIR WORKS
Double side gun electrode adjustment
• Remove the compressed air supply
• Close by hands the arms and adjust the electrodes so that they are perfectly aligned: a wrong aligning would reduce the
spot strength.
• Sharpen the electrodes if necessary.
Replacing the arms
• Press the large yellow clamp pushbutton to obtain the wide opening of the clamp
• Turn off the compressed air supply
Switch off the machine
•
• Place the clamp into the appropriate holder or at any rate at a position higher than the coolant liquid container
• Slacken off the arm locking screws
• Slip off the arms
• Take the other arms and make sure that some grease is spread on the whole surface of the arm attachment
(recommended grease: Loctite 8065 C5-A copper anti seize)
• Insert the arms fully into the mechanical stop
• After having aligned the surfaces of the electrodes tighten the lock-screws.
Double side welding preparation
Clean both sides of the sheet metal on the area of the welding
spot to insure a good electric contact between the electrodes
and the metal sheets and between the sheets surfaces
Single side gun electrode sharpening
• Sharpen the electrodes with a file
The electrode shape should be regular and not flat,
•
typically round or conic
Single side welding preparation
Clean both sides of the top metal sheet
•
• Clean the top side of the bottom metal sheet
• Clean the bottom metal sheet at the ground contact point
INVERTER AS25-13K AS25-15K "R3.2"
CLEAN BOTH SIDE OF THE 2 METAL SHEETS
- 18 -
Resistance Welding Solutions