DATES/TIME

January 14 - April 9, 2020

No class March 3 & 5

Tuesdays/Thursdays, 1:30pm - 4:30pm

COURSE DESCRIPTION

To provide an opportunity for the student to learn about Gas Metal Arc Welding (GMAW) on Sheet Steel. The course covers both theory and practical application of GMAW using both Classroom Lecture and Lab practice. Topics include: Safety, equipment set-up, parts of the welding gun, joint types, and effects of welding variables. Shop practice will include a variety of weld joints in Flat, Horizontal, and Vertical Down positions on a variety of Steel sheet metal thicknesses with and without galvanized coatings.

COURSE OUTLINE
Topics Covered

Safety, Introduction to GMAW

Shop: Flat position: Beads on a plate, Lap welds

Types of Metal Transfer for GMAW

Shop: Flat Position: Lap welds, Tee weld

Parts of the weld gun

Shop: Flat Position: Tee welds, But weld

Machine Settings

Shop: Horizontal position: Beads on a plate, Lap welds

Effects of variables

Shop: Horizontal Position: Lap welds, Tee weld

Effects of Shielding Gases

Shop: Horizontal Position: Tee welds, But weld

Joint types and weld types

Shop: Vertical Down position: Beads on a plate, Lap welds

Weld discontinuities and their causes

Shop: Vertical Down Position: Lap welds, Tee weld

Review Machine settings

Shop: Vertical Down Position: Tee welds, But weld

Review Types of Metal Transfer

Shop: Thick to thin Flat Position

Shop: Thick to thin Horizontal Position

Shop: Thick to thin Vertical Down Position

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Sheet Metal Welding - Craft Winter Training 2020