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CONTENTS
Preface ... xiii
Unit 1
Introduction ... 1
The Future of Welding ... 1
The Development of Welding ... 3
The Welded Joint ... 4
The Print ... 6
Welding Processes ... 6
Met...
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목차 전체
CONTENTS
Preface ... xiii
Unit 1
Introduction ... 1
The Future of Welding ... 1
The Development of Welding ... 3
The Welded Joint ... 4
The Print ... 6
Welding Processes ... 6
Metal ... 7
Carbon Steels ... 11
Alloy Steels ... 13
Cast Iron ... 14
Heat ... 14
Structural Shapes and Specifications of Metal ... 15
Physical Properties of Metal ... 15
Unit 2
Oxyacetylene Welding(OAW) ... 19
Safety First ... 19
Oxyacetylene Processes ... 19
Oxyacetylene Welding Equipment ... 22
The Oxyacetylene Torch ... 26
Setting Up Welding or Cutting Equipment ... 27
Shutting Down Welding or Cutting Equipment ... 32
Safety Reminders ... 32
Exercises ... 36
Unit 3
Oxyacetylene(OFC-A) and Other Cutting Processes ... 57
Safety First ... 57
Cutting Metal ... 57
Oxyacetylene Cutting(OFC-A) ... 58
Air Carbon Arc Cutting(CAC-A) ... 63
Plasma Arc Cutting ... 64
Arc Cutting(AC) ... 65
Safety Reminders ... 66
Exercises ... 68
Unit 4
Shielded Metal Arc Welding ... 83
Safety First ... 83
Electricity ... 83
Power Source ... 85
Shielded Metal Arc Welding ... 87
Protective Clothing ... 87
Electrodes ... 88
Welding Problems ... 92
Safety Reminders ... 92
Exercises ... 98
Unit 5
Gas Metal Arc Welding and Flux Cored Arc Welding ... 125
Safety First ... 125
Gas Metal Arc Welding ... 126
Flux Cored Arc Welding ... 133
Developments in Technology ... 134
Safety Reminders ... 135
Exercises ... 136
Unit 6
Gas Tungsten Arc Welding ... 163
Safety First ... 163
Gas Tungsten Arc Welding ... 163
Choice of Current ... 164
Components of Gas Tungsten Arc Welding ... 164
Setting Up the Equipment for Welding ... 173
Shutting Down the Equipment ... 174
Points to Remember ... 175
Safety Reminders ... 177
Exercises ... 181
Unit 7
Brazing, Braze Welding, and Soldering ... 205
Safety First ... 205
Brazing ... 205
Braze Welding ... 209
Soldering ... 210
Safety Reminder ... 213
Exercises ... 217
Unit 8
Joint Design ... 229
Growth Means Welding ... 229
Welds for Joining Metal ... 229
Structural Shapes ... 237
Joint Design ... 238
Welding Positions ... 240
Distortion ... 243
Weld Failure ... 244
Calculating the Strength of Welds ... 249
Exercises ... 252
Unit 9
Symbols for Welding ... 253
Instructions ... 253
The Welding Symbol ... 253
Weld Symbols ... 254
Supplementary Symbols ... 261
Backing Material and Spacer Material Symbol ... 263
Summary ... 263
Exercises ... 267
Unit 10
Inspection, Testing, and Qualification ... 277
Quality Control ... 277
Visual Inspection ... 277
Testing ... 277
Nondestructive Testing Methods ... 278
Destructive Testing Methods ... 280
AWS Qualification Tests ... 287
Unit 11
Robotic Welding ... 295
Safety First ... 295
Robotics and the Future ... 295
The Robotic System ... 297
Robotic Movement ... 300
Robotic Sensors ... 300
Unit 12
Pipe Welding ... 305
Safety First ... 305
Training for Pipe Welding ... 305
Positions of the Pipe ... 306
Downhill and Uphill Welding ... 306
Pipe ad Tubing ... 308
Pipe Welding Processes ... 309
Preparation for Pipe Welding ... 310
Exercises ... 318
Unit 13
Other Processes for Joining Metals ... 333
Welding Technology ... 333
Forge Welding ... 333
Submerged Arc Welding ... 334
Electroslag Welding ... 334
Stud Arc Welding ... 335
Resistance Welding ... 336
Plasma Arc Welding ... 340
Ultrasonic Welding ... 340
Electron Beam Welding ... 341
Laser Beam Welding and Laser Beam Cutting ... 342
Glossary ... 345
Index ... 379
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