SD50 series pedestal spot welder
SD series pedestal linear spot welders with 50KVA power at 50%.
Very sturdy and rigid structure. Integrated water-cooling installation of transformer, electrode holder and electrodes. The standard versions are equipped with a single stroke pneumatic cylinder and double safety control board. Pedal operated. Wide selection of electrode holders and electrodes for different special applications. The unit also includes the “MICRO8” weld synchronous control board with a diode microprocessor controlled in 5 steps, equipped with double programme and pulses.
| Technical features | SD30 | SD50 |
|---|---|---|
| Nominal power at 50% ED | 30 KVA | 50 KVA |
| Max short-circuit power | 85 KVA | 105 KVA |
| Maximum welding power | 68 KVA | 91 KVA |
| Nominal primary voltage | 400-230 V | |
| Nominal frequency | 50 Hz | |
| Secondary voltage | 5,2 V | 5,8 V |
| Permanent secondary current | 4,8 KA | 6,0 KA |
| Short-circuit current | 16 KA | 20 KA |
| Max welding secondary current | 12,5 KA | 14,5 KA |
| Duty cycle of maximum welding current | 10% | 10 % |
| Connection power | 40 KVA | 50 KVA |
| Power supply cable section (≤ 40 int. line) | 16 mm2 | 16 mm2 |
| Pressure at the electrodes at 6 atm. (600KPa) | 230 daN | 310 daN |
| Max welding capacity on “S” mild steel | 4,5+4,5 mm | 4,5+4,5 mm |
| Max welding capacity on cross wires | – | 4 mm |
| Operation | electropneumatic | |
| Cooling | water | |
| Distance between plates | 170-370 mm | |
| Arm lenght | 400-750 mm | |
| Arm diameter | 50 mm | 60 mm |
| Length and diameter of spark plugs | 200 ø 25 mm | |
| Electrode opening | 60 mm | |
| Air consumption (mc / 1000 points) | 1,1 | 2,1 |
| Water consumption | 4 l/min | 4 l/min |
| Compressed air pressure ( 1 bar = 100 kpa) | 600 KPa | |
| Dimension L x W x H | 1030x415x1430 mm | 1200x425x1250 mm |
| Weight | 240 Kg | 570Kg |
