New Automatic Welding System from Elma-Tech

Spot welding and aluminium welding has just become an easier task for professional bodyshops, thanks to the arrival of the Elma-Tech MIDI-spot-VISION, supplied by Stafford-based bodyshop equipment specialist, Tri-Sphere.

Automatic detection of normal or high strength material type, automatic detection of total sheet thickness are two major advantages delivered by the new Elma-Tech welding system, which is supplied with aluminium welding capability as standard.

Manufactured in Germany by Elma-Tech, the MIDI-spot-VISION is a medium frequency inverter designed for use on bodywork built from high or maximum strength steels and alloys. It is distributed to professional bodyshops in the UK and Ireland by the Stafford-based bodyshop equipment supplier, Tri-Sphere.

Tri-Sphere says the water-cooled MIDI-spot-VISION system delivers an output of up to 12,500 kVA, from a 32A supply. In addition, it delivers 550 decanewtons of weld pressure and complies with all UK legislative requirements, including EU Directive 2004/40EG.

Safety is a major concern for any welding system operator and the Elma-Tech delivers there, too. As the transformer is housed in the gun rather than the machine, a significant health and safety concern has been removed. Meanwhile, the MIDI-spot-VISION welding system provides all the welding capabilities that bodyshops need – from a single machine.

The Elma-Tech MIDI-spot-VISION welding system features built-in energy controls as well as parallel resistance detection. The fully automatic welding process checks the status of each weld every 50 milliseconds. Welding parameters for each job are recorded and can be assigned to a specific vehicle and downloaded or updated via a USB.

In use, the Elma-Tech MIDI-spot-VISION welding system is extremely versatile, accommodating galvanised coated panels, or panels with traces of E coat paint/adhesive, with ease. As it has one of the lightest guns on the market, the changeover from one gun to another is simple. This makes dent repairs, steel plate pulls or pin and T-pin welds, which are achieved with the option gun, very straightforward indeed.

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