How to Weld Aluminum

Shows gas-welding method, using either the oxyhydrogen flame or the oxyacetylene flame; explains proper adjustment of the torch to produce correct shape and color of flame. Shows arc welding, including the metal-arc, carbon-arc, and atomic hydrogen processes. Inside of Arc Welding. (6 reels-10 min each) 1942. 16mm-color. GE. Illustrates the technique of arc welding: 1. Fundamentals; 2. Position; 3. Horizontal Flat Position; 4. Alternating Currents; 5. Vertical Position; 6. Overhead Position. Inside of Atomic-Hydrogen Arc Welding. (20 min) 1943. 16mm. GE. Part I: Fundamentals of atomic-hydrogen welding; shows regulating the welding current and the hydrogen supply; how to adjust the electrode holder and the tungsten electrodes; how to recognize proper and improper adjustment. Part II: Techniques for making corner, edge and fillet and groove welds; controlling the molten pool; proper penetration; good fusion and uniformity.