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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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Describe the three techniques for piercing a plate to start a cut: raising the torch, running start, and angling the torch.

To determine

Three techniques for piercing the metal plate to start a cut such as raising the torch, running start and angling the torch.

Explanation

Three common techniques for piercing are given as follows:

Raising the torch

First torch is set at the normal standoff distance for piercing. Then the torch is raised up so that most of the slag misses the nozzle tip. Torch is placed to the normal standoff distance.

Running start

Plasma is started and then torch is moving along with plate this technique of piercing is called running start technique...

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