10 Gas Metal Arc Welding Equipment, Setup, and Operation -- Objectives -- Key Terms -- Introduction -- Weld Metal Transfer Methods -- Short-Circuiting Transfer GMAW-S -- Globular Transfer -- Axial Spray Metal Transfer -- Pulsed-Arc Metal Transfer -- Pulsed-Arc Metal Transfer Current Cycle -- Modulated Current Metal Transfer -- The Modulated Current Process -- Advantages of Modulated Current and Pulsed-Arc Metal Transfer -- Buried-Arc Transfer -- GMAW Filler Metal Specifications -- Wire Melting and Deposition Rates -- Welding Power Supplies -- GMA Welding Machines -- Speed of the Wire Electrode -- Power Supplies for Short-Circuiting Transfer -- Shielding Gas -- Argon -- Argon Gas Blends -- Helium -- Carbon Dioxide -- Nitrogen -- Power Settings -- Weave Pattern -- Travel Speed -- Electrode Extension -- Gun Angle -- Forehand/Perpendicular/Backhand Welding -- Metal Core Electrodes for GMA Welding -- Equipment -- Power Source -- Electrode (Wire) Feed Unit -- Electrode Conduit -- Welding Gun -- GMA Spot Welding -- Summary -- Review -- ch. 11 Gas Metal Arc Welding -- Objectives -- Key Terms -- Introduction -- Setup -- Wire-Feed Speed -- Gas Density and Flow Rates -- Arc-Voltage and Amperage Characteristics -- Electrode Extension -- Welding Gun Angle -- Effect of Shielding Gas on Welding -- Practices -- Metal Preparation -- Flat Position, 1G and 1F Positions -- Vertical Up 3G and 3F Positions -- Vertical Down 3G and 3F Positions -- Horizontal 2G and 2F Positions -- Overhead 4G and 4F Positions -- Globular Metal Transfer, 1G Position -- Axial Spray -- Summary -- Review -- ch. 12 Flux Cored Arc Welding Equipment, Setup, and Operation -- Objectives -- Key Terms -- Introduction -- Principles of Operation -- Flux Core -- Gas Formers -- Slag -- Equipment -- Power Supply -- FCA Welding Guns -- Electrode Feed -- Advantages -- Limitations -- FCAW Electrodes -- Electrode Cast and Helix -- FCA Welding Electrode Flux -- Types of FCAW Fluxes -- Flux Cored Steel Electrode Identification -- Mild Steel -- Stainless Steel Electrodes -- Metal Cored Steel Electrode Identification -- Care of Flux Core Electrodes -- Shielding Gas -- Welding Techniques -- Gun Angle -- Forehand/Perpendicular/Backhand Techniques -- Advantages of the Forehand Technique -- Disadvantages of the Forehand Technique -- Advantages of the Perpendicular Technique -- Disadvantages of the Perpendicular Technique -- Advantages of the Backhand Technique -- Disadvantages of the Backhand Technique -- Travel Speed -- Mode of Metal Transfer -- Spray Transfer-FCAW-G -- Globular Transfer-FCAW-G -- Electrode Extension -- Porosity -- Troubleshooting FCA Welding -- Summary -- Review
Text of Note
Machine generated contents note: ch. 1 Introduction to Welding -- Objectives -- Key Terms -- Introduction -- Welding Terminology -- Welding Defined -- Uses of Welding -- Welding and Cutting Processes -- Welding Processes -- Oxyacetylene Welding, Brazing, and Cutting -- Shielded Metal Arc Welding (SMAW) -- Gas Tungsten Arc Welding (GTAW) -- Gas Metal Arc Welding (GMAW) -- Flux Cored Arc Welding (FCAW) -- Thermal Cutting Processes -- Oxyfuel Gas Cutting -- Plasma Arc Cutting -- Selection of the Joining Process -- Occupational Opportunities in Welding -- Training for Welding Occupations -- Job-Related Skills -- Beginning a Welding Career -- Job Prospects -- AWS SENSE Welder Certification -- Level I Qualification Procedures -- Practical Knowledge Qualification-Written Test -- Performance Qualification-Workmanship Samples and Test Plates -- Thermal Cutting Principles and Practices -- Welding Inspection and Testing Principles and Practices -- Level II Advanced Welder Qualification -- SkillsUSA -- Experiments and Practices -- Welding Video Series -- Metric Units -- Summary -- Review -- ch. 2 Safety in Welding -- Objectives -- Key Terms -- Introduction -- Burn Classification -- First-Degree Burns -- Second-Degree Burns -- Third-Degree Burns -- Burns Caused by Light -- Personal Protection Equipment (PPE) -- General Work Clothing -- Special Protective Clothing -- Face and Eye Protection -- Goggles -- Full Face Shield -- Welding Helmets -- Auto Darkening Welding Helmets -- Shop Noise -- Respiratory Protection -- Ventilation -- Safety Data Sheets (SDSs) -- Handling and Storing Cylinders -- Securing Gas Cylinders -- Storage Areas -- Cylinders with Valve Protection Caps -- General Precautions -- Acetylene -- Fire Protection -- Fire Watch -- Fire Extinguishers -- Location of Fire Extinguishers -- Using Fire Extinguishers -- Equipment Maintenance -- Hoses -- Work Area Cleaning -- Hand Tools -- Hand Tool Safety -- Hammer Safety -- Electrical Safety -- Electrical Safety Systems -- Voltage Warnings -- Extension Cords -- Safety Rules for Portable Electric Tools -- Power Tools -- Grinders -- Drills -- Metal Cutting Machines -- Material Handling -- Lifting -- Hoists or Cranes -- Ladder Safety -- Types of Ladders -- Ladder Inspection -- Rules for Ladder Use -- Summary -- Review -- ch. 3 Shielded Metal Arc Equipment, Setup, and Operation -- Objectives -- Key Terms -- Introduction -- Welding Current -- Electrical Measurement -- Temperature and Heat -- SMA Welding Arc Temperature -- SMA Welding Arc Heat -- Types of Welding Currents -- Types of Welding Power Supplies (Machines) -- Open Circuit Voltage -- Operating Voltage -- Arc Blow -- Types of Power Sources -- Movable Coil or Core -- Inverter -- Generator-Type and Alternator-Type Welders -- Routine Maintenance -- Converting AC to DC -- Duty Cycle -- Welder Accessories -- Welding Cables -- Electrode Holders -- Work Clamps -- Equipment Setup -- Summary -- Review -- ch. 4 Shielded Metal Arc Welding of Plate -- Objectives -- Key Terms -- Introduction -- Effect of Current Settings that Are Too Low or Too High -- Too Low of a Current Setting -- Too High of a Current Setting -- Experiments -- Electrode Size and Heat -- Arc Length -- Travel Angle, Electrode Angle and Work Angle -- Leading Angle -- Perpendicular Angle -- Trailing Angle -- Electrode Manipulation -- Positioning of the Welder and the Plate -- Practice Welds -- Electrodes -- F3 E6010 and E6011 Electrodes -- F2 E6012 and E6013 Electrodes -- F4 E7016 and E7018 Electrodes -- Electrode Selection -- Stringer Beads -- Square Butt Joint -- Edge Weld -- Outside Corner Joint -- Lap Joint -- Tee Joint -- Summary -- Review -- ch. 5 Shielded Metal Arc Welding of Pipe -- Objectives -- Key Terms -- Introduction -- Pipe and Tubing -- Pipe Specifications -- Tubing Specifications -- Pipe Applications -- Tubing Applications -- Advantages of Welded Pipe -- Strength -- Less Maintenance Required -- Longer Lasting -- Smoother Flow -- Lighter Weight -- Preparation and Fit-up -- Practice Welds -- Weld Standards -- Weld Passes -- Root Weld Pass -- Hot Weld Pass -- Filler Weld Pass -- Cover Weld Pass -- 1G Horizontal Rolled Position -- AWS SENSE Certification Test 1G -- 2G Vertical Fixed Position -- AWS SENSE Certification Test 1G -- 5G Horizontal Fixed Position -- AWS SENSE Certification Test 5G -- 6G 45° Inclined Position -- AWS SENSE Certification Test 6G -- Summary -- Review -- ch. 6 Shielded Metal Arc Welding AWS SENSE Certification -- Objectives -- Key Terms -- Introduction -- Root Pass -- Hot Pass -- Filler Pass -- Cover Pass -- Plate Preparation -- Restarting a Weld Bead -- Preheating and Postheating -- AWS Workmanship Standard for Preparation of Base Metal -- AWS Visual Inspection Criteria -- Preparing Specimens for Bend Testing -- WS Specimen Preparation Criteria -- Preparation -- Testing -- AWS Acceptance Criteria for Bend Test -- Poor Fit-Up -- Summary -- Review -- ch. 7 Flame Cutting -- Objectives -- Key Terms -- Introduction -- Metals Cut by the Oxyfuel Process -- The Chemistry of a Cut -- Eye Protection for Flame Cutting -- Cutting Torches -- Cutting Tips -- Pressure Regulators -- Regulator Operation -- Regulator Gauges -- Regulator Safety Pressure Release Device -- Cylinder and Regulator Fittings -- Regulator Safety Precautions -- Regulator Care and Use -- Backfires -- Flashbacks -- Reverse Flow and Flashback Valves -- Care of the Reverse Flow Valve and Flashback Arrestor -- Hoses and Fittings -- Hose Care and Use -- Leak Detection -- Oxyfuel Cutting, Setup, and Operation -- Torch Tip Care and Use -- Hand Cutting -- Layout -- Selecting the Correct Tip and Setting the Pressure -- The Physics of a Cut -- Slag -- Plate Cutting -- Cutting Table -- Torch Guides -- Distortion -- Cutting Applications -- Pipe Cutting -- Summary -- Review -- ch. 8 Plasma Arc Cutting -- Objectives -- Key Terms -- Introduction -- Plasma -- Arc Plasma -- Plasma Torch -- Torch Body -- Torch Head -- Power Switch -- Torch Parts Commonly Serviced -- Hoses and Power Cables -- Gas Hoses -- Power Cable -- Coolant System -- Coolant -- Coolant Hoses -- Control Wire -- Compressed Air -- Power Requirements -- Voltage -- Amperage -- Watts -- Heat Input -- Distortion -- Applications -- Cutting Speed -- Metals -- Torch Standoff Distance -- Starting Methods -- Kerf -- Gases -- Stack Cutting -- Dross -- Machine Cutting -- Water Tables -- Manual Cutting -- Setup -- Safety -- Straight Cuts -- Piercing -- Plasma Arc Gouging -- Cutting Round Stock -- Beveling Pipe -- Summary -- Review -- ch. 9 Related Cutting Processes -- Objectives -- Key Terms -- Introduction -- Laser Beam Cutting (LBC) and Laser Beam Drilling (LBD) -- Lasers -- Laser Types -- Solid State Lasers -- Gas Laser -- Applications -- Laser Beam Cutting -- Laser Beam Drilling -- Laser Beam Welding -- Hybrid Laser Process -- Laser Beam Welding with Gas Metal Arc Welding -- Laser Beam with Gas Metal Arc Welding Surfacing -- Laser Beam Welding with Gas Tungsten Arc Welding -- Laser Equipment -- Air Carbon Arc Cutting (CAC-A) -- Manual Torch Design -- Electrodes -- Power Sources -- Air Supply -- Application -- Safety -- U-Grooves -- Oxygen Lance Cutting -- Applications -- Safety -- Water Jet Cutting -- Applications -- Arc Cutting Electrodes -- Applications -- Summary -- Review -- ch.
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SUMMARY OR ABSTRACT
Text of Note
Provides an updated edition of the authoritative text designed for learners in academic and workforce training programs who want to pursue careers as skilled welders and welding supervisors.