A abrasive wear, 689 absolute zero, 857 accelerating voltage, 551 accidents, 13–14 acetylene generator, 332 acetylene supply, oxyfuel gas welding, 328–334 adhesion, 456 air-acetylene torch, 346–347 air carbon arc cutting (CAC-A), 624–629 compressed air supply, 625 electrode holder, 625 electrodes, 626 air-purifying respirator, 23 air-supplied breathing apparatus, 21 air-supplied respirator, 23 alloy, 435 alloy brass, 729 alloy bronze, 729 alloy metals, 736 alloy steels, 709, 733–734 oxyfuel gas cutting, 426–427 alternating current (ac), 75, 125 power sources, 118–125 alternating current arc welding, fundamentals, 157–158 aluminizing, 565 aluminum, 578–579 brazing, 474–475 electrode, 145 heat treating, 766–767 manufacturing, 729–730 properties, 749–750 spot welding, 520 welding guidelines, 579–584 ambient pressure chamber, 655 887 anneal, 328 annealing, steel, 759 anodes, 727 arc blow, 171 arc cutting, processes, 96–99 arc fl ame, 155 arc length, 154, 167 arc starting methods, 252 arc stud welding, 534–537 arc welding, 153 joint designs, 172–176 power source classifi cations, 117–118 processes, 75–79, 530–540 arc welding machine, selecting, 158–159 arc welding power sources, for SMAW, 161–171 arc welding station, inspecting, 159–160 argon, 196, 283 argon-helium mixture, 284 argon-hydrogen mixture, 197 armature coil winding, 126 arrow, 56 arrow side, 57 articulated robot, 676 assembly drawings, 36 associations and societies, 794 austenite, 738–739 austenitic stainless steel, 568 automatic cutting, 427 automatic GTAW system, 262 automatic mode, 683 automatic welding, 667 advantages, 668 feedback controls, 668–673 processes, 673–674 safety, 685 B background current, 233, 272 background gas, 650 backhand welding, 68 backing gas, 251 backing ring, 620–621 backing strip, 579–581 backing tape, 620 backing weld symbol, 63 backstep method, 172 back view, 37 backward arc blow, 171 balanced wave, 195 base metal, 75 cleaning, 460 basic oxygen furnace, 713 bell-mouthed kerf, 418 bell-mouthed orifi ce, 402 bending jig, 805 beryllium, 592, 751 bevel angle, 47 bezel, 339–340 blast furnace, 712 operations, 847 blow hole, 517, 734 body-centered cubic structure, 737 bond coat, 703 bottom time, 662 bottom view, 37 Bourdon tube, 339 brake, 821 brass, 456, 585 properties, 749 brazed connections, 602 braze welding, 455 fi ller metals, 468 fl uxes, 460–463 joint designs, 456–459 principles, 456
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