What can happen if the feed roller tension is too tight?
Too tight deforms the wire, which creates more dust and metal shavings in the wire feeder, gun and liner, leading to blockages. Deformed wire affects feedability and wears out the liner and contact tip much sooner with saw-like edges as it passes through the liner and tip.
Why is my MIG welder not working?
Things to Check When Your MIG Welder Stops Working. Your ground cable needs to be secured tightly to the inside of the welder. Check your connection inside the machine and make sure the wingnut or fastener holding the cable in place hasn’t worked itself loose or broken.
How does a voltage sensing wire feeder work?
With a voltage sensing wire feeder and CV power source, voltage is set at the power source while wire feed speed (amperage) is set at the feeder. This can present a headache when working remotely from the power source, such as up on scaffolding and when you need to adjust voltage.
How do you adjust the tension on a MIG wire?
To Correctly Adjust the Tension
- Ensure the Mig Welders Torch is COLD.
- Feed out about 50mm of welding wire.
- Reduce the roller tension until you can press the torch trigger and the rollers slip (wire does not feed)
- Grip the wire between your thumb and first finger.
- Turn the tension adjuster ½ a turn.
Why does my welding wire keep getting stuck?
There are a number of reasons your wire feed might be stop-and-go. The wire may have carved a groove in the tip – or maybe even welded right to the tip itself. The liner could also be a trouble spot. Look for buildup, a well-cut trim, and correct sizing.
What controls the wire speed on a voltage sensing wire feeder?
However, when it is running on a CC power source, the power source provides amperage and the feeder WFS knob sets a relative voltage and wire feed speed. As contact-tip-to-work distance (CTWD) changes, which the voltage sensing lead is sensing at the work piece, voltage (arc length) changes as does wire feed speed.
What type of power source is commonly used with a voltage sensing wire feeder?
A voltage sensing wire feeder (sometimes called voltage following or variable speed) can be paired with either a CC or a CV power source.