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Inverter stud welding machines Köco Inverter 905i

Description

Köco stud welding machines are high-performance production equipment that can significantly reduce the cost of joining components when compared to other methods. Threadless and threaded pins, studs with head, anchors etc. with a diameter of 3 to 25 mm can be quickly and high quality welded to sheet metal, pipes, profiles. This eliminates many additional preparatory operations such as drilling, threading, manual welding or tightening.

  • Inverter devices - much lower weight than the corresponding Elotop devices.
  • For arc welding (with ceramic ferrule) or short-cycle welding (SC).
  • For welding in a gas shield (optional) or without.
  • For work in a hall or on a construction site (IP23).
  • A wide selection of guns depending on the diameter of the pin and the application.
  • Stepless regulation of welding current and time.
Model 905i
Welding range with a ceramic ring - stud diameter Ø2-12 mm
Short-cycle welding - welding range Ø2-8 mm
Gas shielded welding - welding range Ø2-10 mm
Current setting range - stepless 100-800 A
Time setting range - stepless 1-800 ms
Parameter memory (set: welding current, welding time and gas pre-flow) 20
Maximum number of studs/min, with... Ø

4 / Ø12 mm

9 / Ø10 mm
Self-diagnosis Overheating No phase Short circuit Pilot current erro
50/60 Hz power supply 3x400 V
Time-delay power protection 20 A
Power supply fluctuation tolerance -15/+6 %
Maximum welding cable length with welding current and cross section 600 A/25 m at 70 mm²
Power consumption at...% PJ

3% / 45 kVA

7,5% / 28 kVA

100% / 7,5 kVA
IP Rating IP23
Gas shielded welding option
Gas pre-flow 1-2000 ms
Case dimensions 410x220x250 mm
Weight 18 kg
Catalogue No. 50 01 303905
Type of welding gun SK14

 

The course of arc welding of pins with a ceramic ring 

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