Tecna single phase spot and projection welders - 80-315 kva
MAIN WELDER FEATURES
- Modular design of mechanical structure, arms, brackets, cylinders.
- Cylinder with chrome plated stem for heavy duty works and long life; adjustable anti-rotation device.
- Lubrication free pneumatic components to eliminate oil mist and to protect the environment.
- Head descent without pressure for set up and service.
- Double-stroke cylinder with key control.
- Built-in compressed air filter unit and tank. Compressed air disconnection device.
- Electrodes speed control valves, shock absorber for end of stroke and air discharge silencers assuring the minimum noise.
- Two stage electric foot control for clamping and welding pieces only if correctly positioned. Standard on spot welders, on request on projection welders.
- Preconnected for additional double stage electric foot control for the direct recalling of welding program no.2 (not on units equipped with rotary selector recall).
- Water-cooled transformer, plates, electrode-holders and electrodes; transformer with epoxy resin coated windings.
- Synchronous SCR contactor insulated from the cooling water circuit with protection thermostat.
- Standard on all models: two-hand safety control with timer assuring the best safety, and removable key selector,. The two-hand control push-buttons are standard on projection models only (thay are available on request on spot welder models).
- Emergency push-button to stop the machine immediately.
- Costant current TE550microprocessor control unit.