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Manual Welding Instruction
Arc Welding Theory
Arc Striking Beading and Weaving
10 other sections not shown
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45 degree ALIGNMENT AND TACK alternating current American Welding Society amperes arc length ARC WELDING TECHNIQUES Bartlesville branch connection cleaning corner joint crotch d.c. current diameter electrode direct current downhill drag technique electric electrode angle electrode diameters electrode holder electrode manipulation electrode movement electrode travel angle Electrode Type flame cut flat position groove welds holding fixture incomplete fusion incomplete penetration joint design keyhole Learning Objectives Introduction liquid puddle low hydrogen manual welding mastering this chapter nick break coupons nick break test OBJECTIVES After mastering open arc overhead position oxyacetylene pipe welds porosity position welding practice welds quality welds Questions LEARNING OBJECTIVES Review Questions LEARNING root opening shown in Figure side slag inclusion stringer bead T-joint tack welded test fixture test plate V-grooves vertical VISUAL INSPECTION weld discontinuities weld groove weld joint weld metal weld pass weld puddle welding arc welding current welding machine welding positions welding procedures WELDING TEST