TECNA 8007D Press-Type Spot/Projection Welder — 80 kVA Air-Operated Single-Phase AC

TECNA 8007D press-type spot/projection welder — 80 kVA, air-operated, single-phase AC. Maximum welding current on steel of 36,000 amps with 1,655 lbs of electrode force at 6 bar. Electrode throat depth of 15.75 in. and projection plate throat of 11.02 in.

Description

The TECNA 8007D pairs a 80 kVA single-phase AC transformer with air-operated actuation in a press-type spot/projection welder configuration. The 8007D provides a maximum welding current of 36,000 amps on steel with maximum electrode force of 1,654 lbs at 6 bar. The thermal current rating at 100% duty cycle is 6,800 amps. A water-cooled transformer, electrode holders, and electrodes support extended duty cycles, with epoxy resin-coated windings for long service life. The 8007D offers an electrode throat depth of 15.75 in. and a projection plate throat depth of 11.02 in. for both spot and projection welding applications.

Features

  • 80 kVA single-phase AC transformer with epoxy resin-coated, water-cooled windings.
  • Maximum welding current of 36,000 amps on steel with electrode force of 1,654 lbs at 6 bar.
  • Press-Type Spot/Projection Welder configuration with water-cooled transformer, electrode holders, and electrodes.
  • Maximum stroke of 3.94 in. with key-controlled double stroke.
  • Two-stage electric foot control for clamping and welding; two-hand safety control standard on projection models, available on request for spot models.
  • Lubrication-free pneumatic components eliminate oil mist; built-in compressed air filter unit.
  • Optional water-cooling valve and flow switch (Art. 8030) halts the machine if cooling water flow is interrupted.
  • Optional throat-extension kit (Art. 8032) extends throat depth to 21.65 in. (550 mm) and projection plate depth to 16.93 in. (430 mm); maximum welding power is 230 kVA in this configuration.

Installation Requirements

  • Electrical supply: 400 V / 50 Hz. Other voltages and frequencies available on request.
  • Net weight: 948 lbs.

Additional information

Weight 948 lbs
Configuration

Spot / Projection

Standard Control Unit

TE550

Nominal Power 50% (kVA)

80

Max Welding Power (kVA)

300

Max Welding Current (A)

45000

Max Weld Curr Alum (kA)

41

Max Weld Curr Steel (kA)

36

Thermal Current 100% (A)

6800

No-Load Secondary Voltage (V)

8.3 / 7.5 / 6.7 / 6.1

Supply

400 V / 50 Hz

Mains Cable (L=30m, 380–415 V)

0.11 in² (70 mm²)

Delayed Fuses (380–415 V)

150 A

Min Gap

6.50 in. (165 mm)

Max Gap

15.75 in. (400 mm)

Throat Depth (L)

15.75 in. (400 mm)

Proj Plate Throat Depth (D)

11.02 in. (280 mm)

Projection Plate Mounting

63 mm / M12

Max Electrode Force

1654 lbs (736 daN)

Max Electrode Force @ 1 bar

276 lbs (123 daN)

Max Elec Force 6 bar (Std)

1654 lbs (736 daN)

Max Electrode Stroke

3.94 in. (100 mm)

Double Stroke (Standard)

2.36 in. (60 mm)

Compressed Air

94 psi (6.5 bar)

Air Consump /1000 (Std 20mm)

162 ft³ (4.6 Nm³)

Air Consump /1000 (Max)

544 ft³ (15.4 Nm³)

Air Supply Hose Ø

0.47 in. (12 mm)

Water Cooling Flow

1.32 gpm (5 lpm)

Aerial Noise

74 dB(A)

Electrode-Holder Ø

1.26 in. (32 mm)

Electrode Taper Ø

0.75 in. (19.05 mm)

Power Supply

Actuator Type

Product Type