Tecna Spot and projection welders - Items 8201D-8214D.
Nominal power at 50% d.c. from 63 to 160 kVA.
MAIN WELDER FEATURES
- Modular design in 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 eliminates oil mist and to protect the environment.
- Head descent without pressure for set up and service.
- Double-stroke cylinder withkey control.
- Built-in compressed air filter unit and tank.
- Compressed air disconnecting 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.
- Pre-setting for additional double stage electric foot connection for the direct recalling of welding program no.2.
- Water-cooled transformer, plates, electrode-holders and electrodes; transformer with epoxy resin coated windings.
- TE550 costant current microprocessor control unit.
- Synchronous SCR contactor insulated from 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.