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WELDING TIP OF THE DAY : Welding on Machinery
Wednesday Jun 19, 2019 - 14/52
Be very careful where you place your ground connection when welding on automobiles or any type of machinery especially those with electric motors or ball bearings. If the electrical path between the arc and the ground lead pass through shafts or bearings they may become "arc burned" and will fail shortly after. Evidence of this is easy to spot on ball bearings and makes the failure easy to blame on the welder. Securely connect that ground on the same part you are welding on. Note that the machine's electrical ground may act as a ground for the welding current resulting in unexpected current paths and possible damage.





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