| 1.0 |
How a Weld is Made |
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1.1 Resistance
Spot Welding |
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1.2 Characteristics of the Weld Nugget |
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1.3 Making a Spot Weld |
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1.4 Relationship of the Welding Variables |
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1.5 The Elementary Welding System |
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| 2.0 |
Welding Fixture Secondary Components |
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2.1 Introduction |
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2.2 In-line Weld Gun Assembly |
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2.3 Welding Electrodes (caps) |
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2.4 Electrode Holder Assembly |
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2.5 Threaded Adapters |
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2.6 Tapered Shank Cap Adapters (Barrels) |
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2.7 Offset Electrode Caps and Adapters |
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2.8 Water Tubes and Water Tube Adapters |
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2.9 In-line Welding Gun Cylinders |
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2.10 Stationary Back-up Electrodes |
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2.11 Secondary conductors (shunts) |
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2.12 Welding Fixture Transformers |
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2.13 Weld Circuit and Power Considerations |
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2.14 Primary Circuit Power Control |
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| 3.0 |
Secondary System Mechanical Arrangement |
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3.1 Positioning and Holding
Production Parts |
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3.2 Magnetic Losses |
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3.3 Electrical Switches |
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3.4 Water Distribution |
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3.5 Fixture Color Codes |
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| 4.0 |
Multiple Welding Secondary |
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4.1 Weld Power Supply |
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4.2 Weld Loop Impedance |
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4.3 Types of Resistance Welding |
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4.4 Balanced Welding Conditions |
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4.5 Classes of Welds |
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| 5.0 |
Portable and Robot Spot Welding |
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5.1 Portable Weld Guns |
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5.2 Portable Weld Gun Designs |
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5.3 Transformer Secondary Cables |
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5.4 Portable Welder Suspension Systems |
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5.5 Robot Integral Weld Guns |
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5.6 Color Coding of Components |
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5.7 Weld Gun Assembly |
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5.8 Portable and Robot Welding Standards |
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| 6.0 |
Weld Schedules, Metals and
Other Variables |
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6.1 Resistance Spot Welding |
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6.2 Basic Welding Circuit |
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6.3 Weld Sequence |
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6.4 Welding Variables |
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6.5 Protective Coatings |
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6.6 Contaminants on the Metal |
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6.7 Composition of Metal (Metallurgy) |
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6.8 Weld Heat Balance |
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6.9 Metals Commonly Resistance Spot Welded |
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6.10 Multiple Thickness Welds |
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6.11 Spot Spacing |
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6.12 Weld Schedules |
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| 7.0 |
Weld Quality and Testing Methods |
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7.1 Spot Weld Defects |
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7.2 Corrective Action for Eliminating Spot Weld Defects |
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7.3 Welding Equipment Testing and Troubleshooting |
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7.4 Secondary System Maintenance |
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7.5 General Maintenance |
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