Study Guide with Lab Manual for Jeffus' Welding: Principles and Applications, 8th
8th Edition
ISBN: 9781305494701
Author: Larry Jeffus
Publisher: Cengage Learning
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Chapter 10, Problem 1R
Why is usage of the term GWW preferable to MIG for gas metal arc welding?
Expert Solution & Answer
To determine
Reason of using the term GMAW over MIG for gas metal arc welding.
Answer to Problem 1R
GMAW is preferred over MIG for gas metal arc welding as other gases apart from argon are used in metal arc welding.
Explanation of Solution
The term MIG stands for Metal inert gas welding, an inert gas is used to protect the weld from impurity. Initially, Argon as an inert gas was used forshielding.
Later, after developments in the technology associated with welding, carbon dioxide
Argon was used for shielding the weld. It was termed as MIG welding and was named as Gas Metal Arc Welding (GMAW) by American Welding society because other gases can also be used for shielding.
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Chapter 10 Solutions
Study Guide with Lab Manual for Jeffus' Welding: Principles and Applications, 8th
Ch. 10 - Why is usage of the term GWW preferable to MIG for...Ch. 10 - Using Table 10-1, answer the following: a. What...Ch. 10 - What factors must be considered when selecting...Ch. 10 - In short-circuiting transfer, what type of current...Ch. 10 - Describe the globular transfer process.Ch. 10 - In what form is metal transferred across the arc...Ch. 10 - What three conditions are required for the spray...Ch. 10 - Using Table 10-3, answer the following: a. What...Ch. 10 - Describe the current produced by the pulsed-arc...Ch. 10 - In the pulsed-arc metal transfer current cycle,...
Ch. 10 - List five advantages of the modulated current and...Ch. 10 - What is the difference between the wire melting...Ch. 10 - Using Figure 10-13, what is the approximate...Ch. 10 - Using Table 10-6, what would the amperage be for...Ch. 10 - The shielding gas selected can affect what...Ch. 10 - What may happen if the GMA welding electrode is...Ch. 10 - What effect does shortening the electrode...Ch. 10 - Describe the weld produced by a forehand welding...Ch. 10 - Describe the weld produced by a backhand welding...Ch. 10 - What components make up a GMA welding system?Ch. 10 - Why must GMA welders have a 100 duty cycle?Ch. 10 - What can happen if rollers of the wrong shape are...Ch. 10 - Where is the drive motor located in a pull-type...Ch. 10 - How is the wire-feed speed changed with a linear...Ch. 10 - What type of liner should be used for aluminum...Ch. 10 - What parts of a typical GMA welding gun can...Ch. 10 - Describe the spot welding process using a GMA...
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