the welding lead is the cable coming from the welding machine that either feeds the wire and shielding gas (mig) or or provides current to the electrode through the holder
A welding return lead is an essential component in electric arc welding setups, serving as the electrical path that completes the circuit between the welding machine and the workpiece. It typically consists of a heavy-duty cable with a clamp that attaches to the workpiece, returning the electrical current back to the welder. This lead is crucial for maintaining a stable arc and ensuring efficient welding performance by minimizing voltage drops and improving safety. Proper handling and maintenance of the return lead are vital for consistent weld quality and equipment longevity.
Yes, but you need to get hold of the correct small nozzle.
The welding transformer - converts 'standard' mains electricity to high-amp power. The negative lead is attached to the piece of work, and the positive to the welding 'gun'. Touching the welding electrode (from the gun) - completes an electrical circuit - making an 'arc' with enough power to melt the metals together.
Electrodes with too much moisture may lead to cracking or porosity.
Phosgene is a very toxic chemical that can be produced during welding when chlorinated hydrocarbon solvents come into contact with UV radiation from the welding arc. This can occur when cleaning metal surfaces with solvents containing chlorinated compounds before welding. Exposure to phosgene can lead to severe respiratory issues and even death.
The relationship between electrical arc temperature and the efficiency of welding processes is that higher arc temperatures generally lead to more efficient welding. This is because higher temperatures can melt metals more quickly and thoroughly, allowing for better fusion and stronger welds. However, excessively high temperatures can also lead to issues such as spattering and distortion, so it is important to find the right balance for each welding application.
metallurgy , welding /soldering /lead buring /lead wiping /brazing/ pipe threading /pipe / grooving / code and theory knowledge / caulking
roster welding
SAW welding is a type of arc welding while ERW welding is spot or seam welding. SAW stand for submerged arc welding while ERW stands for electric resistance welding.
smaw welding is sheilded metal arc welding
what is the difference between ultrasonic welding & radiographic welding
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