OPERATION
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WELDING MODE DESCRIPTIONS
CONSTANT VOLTAGE WELDING
For each wire feed speed, a corresponding voltage is preprogrammed into the machine through special soft- ware at the factory. The preprogrammed voltage is the best average voltage for a given wire feed speed. With synergic programs, when the wire feed speed changes, the Power Wave will automatically adjust the corre- sponding voltage.
Wave control adjusts the inductance of the waveshape. (This adjustment is often referred to as "pinch". In- ductance is inversely proportional to pinch.) Increasing wave control greater than 0 results in a harsher, colder arc, while decreasing the wave control to less than 0 provides a softer, hotter arc. (See Figure B.2.)
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FIGURE B.2 – CV WAVE CONTROL CHARACTERISTICS
Wave Control +10.0
Wave Control 0.00
Wave Control
Current
Time
