Presentation on theme: "Copper. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes, 3.Listen."— Presentation transcript:
Savage, Flash Welding, Welding Journal March 1962 Flash Welding Copper Characteristics: Low melting temp Narrow Plastic Range Result Rapid Upset at low force Immediate & Full Flashing Required Rapid Upset Low Pressure at Start to get Platen Motion Immediately Premature Interruption of Flashing Results in Low Temp & CL Defects Excessive Flashing will Overheat & Improper Upset
Flash Welding Leaded Copper Alloys are limited to approximately 1% Lead
High Frequency Welding Tube Butt SeamTube Butt SeamTube Mash Seam HF Induction Coil Nearly all Copper Alloys can by HF Welded - Tubing is a Popular Application
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