Capacitor Discharge (CD) Stud Welding involves the same basic principles and metallurgical aspects as any other arc welding procedure. When the weld gun is activated, a special precision weld tip initiates a controlled electric arc from the welder capacitor bank which melts the end of the stud and a portion of the base metal.


The stud is held in place as the molten metal solidifies instantly, accomplishing a high-quality fusion weld.
| Model | SSR-1600 | SSR-2500 | SSR-3150 |
|---|---|---|---|
| Stud Range | Φ3-6mm | Φ3-8mm | Φ4-10mm |
| Max. Output Energy | 1600J | 2500J | 3150J |
| Capacitance | 66000μF | 99000μF | 108000μF |
| Voltage Adjustment Range | 35-95V | 35-195V | |
| Charging Time | 0-3s | ||
| Weld Speed (Stud Qty/Stud Dia/Minute) | 30pcs/6mm/min | 30pcs/8mm/min | 30pcs/10mm/min |
| 35pcs/3mm/min | 35pcs/3mm/min | 35pcs/4mm/min | |
| Applied Patent | Utility model patent CAPACITOR DISCHARGE STUD WELDING MACHINE | ||
| Input Voltage | Single phase 110VAC~240VAC/50Hz or 60Hz (other voltages available) | ||
| Allowable Input Voltage Fluctuation Range | ±10% | ||
| Standard Supply Scope | 1. Machine (1pc) 2. Stud gun with cable (1pc) 3. Earth clamp with earth lead (1pc) 4. Chuck (4sets) 5. Special power cable (1pc) 6. Enclosed documents (1set) |
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| Specification of single-phase Power Cable | 3 wires (1.5mm2/pc) 3×1.5mm2 | ||
| Specification of Control Cable | 2 wires (0.5mm2/pc) 2×1mm2 | ||
| Max. Length of Extended Welding Cable | 30m | ||
| Max. Length of Extended Earth Lead | 10m | ||
| Protection Class | IP23 | ||
| Cooling Mode | Air Cooling | ||
| Case Material | Steel + Spray Painting | ||
| Dimension (L×H×W) | 430mm×230mm×320mm | ||
| Handle | Yes | ||
| Weight of Machine | 18kg | 19kg | 20kg |
| Weight of Welding Gun | 0.7kg | ||
| Standard Welding Gun | SRQ3/SRQ5 | ||