How to construct common sheet metal shapes.
Course No. 13
18 hours
Sheet Metal – Layout Patterns
Basic geometric constructions involved in laying out patterns for some of the more common sheet metal shapes: conical transition piece, four-section elbow, drip pans, and rectangular duct sections.
Prerequisites: Familiarity with the use of a steel rule; simple arithmetic; multiplying decimal numbers; and reading dimensions in a simple sketch. Course No. 108.
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