Resistance Welding电阻焊.pptVIP

Resistance Welding Reference Manual Section 1: Introduction Section 1 provides an introduction to the following resistance welding topics: Figure 1-01 Current Wave Formation Comparison Figure 1-02 Basic Resistance Welding Process Section 2: Performance Objectives Terminal Objective Given the resistance welding training material, you will be able to identify and explain general resistance welding principles and concepts to help improve the welding quality of various resistance-welded products. Section 2: Performance Objectives Enabling Objectives Discuss resistance welding safety. Identify resistance welding equipment and explain its operation. Identify resistance welding materials and components, and discuss projections, plating, and disc welding issues. Explain the weld process, and discuss the parameters associated with the process. Identify resistance welding electrodes and discuss electrode selection. Describe resistance welding equipment maintenance. Explain resistance welding testing and failure analysis. Troubleshoot resistance welding problems. Section 3: Resistance Welding – Terms and Definitions This section provides various terms and definitions associated with resistance welding. Section 4: General Resistance Welding Safety Upon completion of this section, you will be able to discuss general resistance welding safety. Welding equipment familiarization 熟悉焊接设备 Electrical shock 触电 General resistance welding equipment safety guidelines 普通焊接机的安全指导方针 Figure 4-01 Typical Body Resistances and Currents Section 5: Resistance Welding Equipment Upon completion of this section, you will be able to identify resistance welding equipment and explain its operation. Figure 5-01 Simplified Electrical System of a Resistance Welding Machine Figure 5-02 Typical Weld Head Figure 5-03 Basic Transformer Figure 5-04 Single-Impulse Resistance Spot Welding Schedule Figure 5-05 Various Current Wave Formations Figure 5-06 Complex Weld Cycle Figure 5-07 Typical Air