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In this method studs are welded with the help of either ceramic ferrule or shielding gas. When the gun switch is pressed, low current flows between pointed stud end and work-piece and immediately the stud is lifted drawing an arc. Then the full welding current flows in an arc, creating a molten state in stud end and work-piece.
The solenoid is de-energized and the stud is pushed under controlled spring pressure into the molten pool. The whole operation takes a fraction of a second. The metal displaced during the movement of the stud into the work-piece is moulded into a fillet form by the ceramic ferrule.
This method is generally used for higher diameter studs and where higher weld strength is required. In this process, the stud and parent material melts to form a bonding joint, unlike other welding processes where filler material or welding wire is required for welding.
Input Supply : | Frequency : 50 Hz | Off Load Voltage : |
Maximum Current : | Welding Current (min) : | Welding Current (max) : 800 Amp |
Power Consumption : | Machine Weight : |