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MTV-8002-2 dc spot welding machine

Welding machine MTV-8002-2 is designed for contact spot welding by direct (rectified) current of metal structures and high-duty products.

Technological capabilities of this welding machine allow welding of a wide range of products. The thickness of the material to be welded depends on the material type and quality requirements to the welded joint.

The welding machine provides the diameter of the cast core of the welded point which corresponds to production instructions of aerospace and branch instructions with the increased requirements for the quality of the welded joint.

Welding thickness ranges

Low carbon steel 0.5+0.5 to 10.0+10.0 mm
Low alloy steel 1.0+1.0 to 6.0+6.0 mm
Stainless steel 1.0+1.0 to 6.0+6.0 mm
Titanium alloys 1.0+1.0 to 6.0+6.0 mm
Chromium-nickel alloys 0.3+0.3 to 4.0+4.0 mm
Copper alloys 0.8+0.5 to 5.0+5.0 mm
Aluminum alloys 0.5+0.5 to 4.5+4.5 mm

Advantages of the welding machine MTV-8002-2

  • It is produced of Russian raw materials that have all the necessary certificates
  • High dynamic characteristics of the drive of the welding force
  • The increased spacing of the machine allows to weld parts of complex shape that can not be placed in the contour of MTV-8002-1 machine , for example a hemisphere with a diameter of up to 1500 mm
  • Uniform load on the grid by 3 phases
  • More efficient power consumption and higher efficiency compared to AC machines
  • Liquid cooling of the welding current source and secondary circuit
  • The machine is equipped with a control system based on an industrial PC, which allows to:
  1. Differentiate the access rights of personnel (technologist / welder)
  2. Create and edit welding programs
  3. Log welding points
  4. Form the pulses of the welding current in the necessary shape
  5. Carry out a smooth and step-by-step adjustment of the welding current
  6. Stabilize the welding current when the mains voltage changes

Additional options:

  • Autonomous liquid closed cooling system
  • Autonomous compressor device
  • Electrodes for contact welding of various configurations
  • Assembly and welding devices 




         *Please pay attention that the technical specification and the appearance of the equipment placed on this web-site are only for informational purpose and are not a public offer. The producer reserves the right to make any changes.

         **Copying the data without permission of the web-site administration is prohibited.

Mains voltage at 50Hz frequency 3x380V
The highest secondary current 95 kA
Rated continuous secondary current 36 kA
Maximum power in case of short circuit 945 kVA
Power at 50% duty cycle 526 kVA
Compression force of electrodes:
 - the largest at compressed air pressure of 0.5 MPa
 - the smallest at compressed air pressure of 0.1 MPa

7200 daN
220 daN
Nominal stick-out 1500 mm
Nominal spacing 1200 mm
Upper electrode stroke:
- full (working + additional)
- working

220 mm
5 to 20 mm
Limits of idle voltage adjustment 2.3 to 7.1 V
Welding power adjustment:
 - stepped
- phase

16 steps
25 — 100 %
Electrode compression drive pneumatic straight
Drive of top electrode relocation electromechanical
Cooling of current-carrying parts forced liquid
Overall dimensions of the machine (L×W×H), no more than 4160х1170х4135 mm
Weight, not more than 7500 kg
Overall dimensions of the control unit (L×W×H), no more than 525x1100x2160
Weight of the control cabinet, not more than 250 kg
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