Contents
8
Chapter 18
GTAW: Horizontal, Vertical, and
Overhead Welding Positions 201
Out-of-Position GTAW 201
Welding in the Horizontal
Welding Position 202
Welding in the Vertical
Welding Position 204
Welding in the Overhead
Welding Position 205
Welding Other Metals 207
Section 5
Plasma Arc
Cutting
Chapter 19
Plasma Arc Cutting 211
Plasma Arc Cutting Principles 211
Plasma Arc Cutting Equipment
and Supplies 212
Equipment Assembly 216
Safety Equipment 216
Preparing to Cut 216
Cutting Procedure 216
Plasma Arc Gouging 220
Section 6
Oxyfuel Gas
Processes
Chapter 20
Oxyfuel Gas Cutting and Welding:
Equipment and Supplies 225
Oxyfuel Gas Cutting and Welding 225
Acetylene 227
Oxygen 230
Manifolds 233
Pressure Regulators 234
Hoses and Fittings 234
Cutting Torches 237
Welding Torches 239
Protective Clothing 243
Chapter 21
Oxyfuel Gas Cutting and Welding:
Equipment Assembly and Adjustment 247
Assembling the Cutting or
Welding Outfit 247
Turning on an Oxyacetylene
Cutting or Welding Outfit 249
Checking for Leaks 251
Flames 252
Lighting and Adjusting a Positive
Pressure Cutting Torch 252
Shutting Down a Positive Pressure
Cutting Torch 254
Lighting and Adjusting a Positive
Pressure Cutting Torch Attachment 254
Shutting Down a Positive Pressure
Cutting Torch Attachment 254
Lighting and Adjusting the Flame—
Recommended Method 255
Lighting and Adjusting the Flame—
Alternate Method 255
Shutting Down an Oxyacetylene
Welding Outfit 255
Chapter 22
Oxyfuel Gas Cutting 259
Oxyfuel Gas Cutting Principles 259
Oxyfuel Gas Cutting Equipment 260
Preparing to Cut 260
Manual Cutting 260
Cutting Machines and Pattern Tracers 266
Chapter 23
Oxyfuel Gas Welding: Flat
Welding Position 271
Flat Position Welding 271
Preparing to Weld 272
Holding the Torch 272
Describing the Torch Angles 273
Creating a Continuous Weld Pool 273
Welding without a Welding Rod 275
Selecting a Welding Rod 277
Laying a Weld Bead 278
ContentsstnetnoC Contents