Technology of 10 kHz transformer spot welding guns

The transformer spot welding guns for resistance spot welding in the area of automotive industry, body shops and industry have been fully developed by ELMA-Tech itself. They are adapted to modern requirements of the automotive industry in European countries which demands easier welding guns for construction in pilot series, for prototyping, for reworking stations and for the construction of premium vehicles.

In conjunction with the ELMA control technology "Virtual Machine", this lightweight welding guns lead the spot welding process to a previously unattained level of technology in the manual and robot-controlled production:

  • Welding guns in lightweight construction (sandwich method of construction)
    Regulated servo pneumatic actuators for electrode movement and balance
  • Precision measurement technology for main and compensating cylinder
  • 10 kHz transformers of about 4- 6 kg
  • Guns total weights from 11.5 up to 57 kg (over the entire model range)
  • High output currents up to 15 kA
  • Process and servo-control via Virtual Machine
  • Prozess is controlled via energy input


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