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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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What problems may result by using an electrode at too high of a current setting?

To determine

The problems resulting from using an electrode at too high of a current setting.

Explanation

The welding electrode must be used in a specified current amperage range for it to operate correctly. The quality welds cannot be made if the welding current setting is lower or higher than the manufacturing range for any specific electrode type and diameter.

The problems resulting from using an electrode at too high of current setting are:

  1. The core wire of the welding electrode has a limitation in the amount of current it can carry, as the current increase the wire heat up because of electrical resistance. This preheating of wire results in burning out of chemicals in the covering of the wire...

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