Preparation should include
- inspecting welding leads and electrode holders for safety
- ensuring the material is properly grounded
- preparing and cleaning the metal by filing, grinding, or using a wire brush
- inspecting electrodes
- determining the welder type and electrode to be used
- setting up welding equipment
- adjusting the welder for voltage and polarity for the material being welded
- determining ground clamp positioning and attachment.
Process/Skill Questions:
- Why is metal preparation important to ensure a good weld?
- How does the electrode selection affect the way the metal is prepared?
- How can frayed welding leads be a hazard?
- How do you properly store welding supplies, including electrodes?
- How can you determine if you will be able to perform a weld with your welder, or if you should select another machine?
- Why do you have to clean metal to ensure a proper ground?