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1 ) Explain safety precautions for the gas metal arc welding (GMAW) process. |
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2 ) Demonstrate techniques for setting up GMAW equipment. Explaining types of metal transfer specific to the GMAW process
Selecting filler wire and gas combinations for the GMAW process
Adjusting the GMAW machine with various controls and settings
Examples: spray arc, short arc |
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3 ) Demonstrate fillet welds with the GMAW process for carbon steel. |
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4 ) Utilize the GMAW process to demonstrate proper T-joint fillet weld techniques for single and multiple passes, including flat fillet welds in the 1-F position, horizontal fillet welds in the 2-F position, vertical up-and-down fillet welds in the 3-F position, and overhead fillet welds in the 4-F position. |
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5 ) Utilize the GMAW process to demonstrate proper lap-joint fillet weld techniques for single and multiple passes, including flat fillet welds in the 1-F position, horizontal fillet welds in the 2-F position, vertical up-and-down fillet welds in the 3-F position, and overhead fillet welds in the 4-F position. |
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6 ) Utilize the GMAW process to demonstrate proper corner-joint fillet weld techniques for single and multiple passes, including flat fillet welds in the 1-F position, horizontal fillet welds in the 2-F position, vertical up-and-down fillet welds in the 3-F position, and overhead fillet welds in the 4-F position. |