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" Welding : "
Larry Jeffus.
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BL
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| Record Number
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843553
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| Main Entry
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Jeffus, Larry F.
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| Title & Author
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Welding : : principles and applications /\ Larry Jeffus.
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| Edition Statement
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Eighth edition.
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| Publication Statement
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Australia ;Boston, MA :: Cengage Learning,, [2016]
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, ©2017
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| Page. NO
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xxxii, 926 pages :: illustrations (chiefly color) ;; 29 cm
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| ISBN
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1305494695
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: 9781305494695
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| Notes
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Includes index.
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| Contents
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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
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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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| Abstract
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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.
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| Subject
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Welding.
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| Subject
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Welding.
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| Dewey Classification
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671.5/2
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| LC Classification
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TS227.J444 2017
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