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PTA system for automated surfacing with CNC control

Welding mechanical oscillator


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PM-PF-10 · PM-WMO-120 · PM-RM-100 · PM-WC-1000 · PM-WC-3000

Welding oscillator PM-WMO-120
Welding mechanical oscillator PM-WMO-120

Welding oscillator PM-WMO-120 is designed for lateral oscillations of a PTA or any welding torch to increase the width of a deposited bead for one pass. It provides side-to-side motion of the welding torch.

PM-WMO-120 is programmable welding oscillator. It can be controlled as by the common control system of equipment as by the separate control unit. Rotary drive is stepper motor. It allows to use easily in PLC or CNC systems.


  • it is possible to change the width and speed of torch oscillations during surfacing and also the position of axial line of the deposited bead.
  • there is the scale with pointer on face panel to control online the PTA or any welding torch position.
  • it is possible to adjust online a dwell time along the edges of bead.
  • in depending on preseted mode after switching-off the carriage stops on the axial line or in one of the edge of a bead.
  • the guide rail is reliably protected from welding splatters and additive powder.
  • there are two options of replaceable torch holder:
    - for the torch with vertical arrangement of communications
    - for the torch with horizontal arrangement of communications
PM-WMO-120 PM-WMO-120

Welding oscillator PM-WMO-120 is suitable for all of the following welding processes:

  • Plasma Transferred Arc (PTA / PTAW)
  • Plasma Arc Welding (PAW)
  • Gas Metal Arc Welding (GMAW / GMAWP)
  • Gas Tungsten Arc Welding (GTAW)
  • Flux-Cored Arc Welding (FCAW)

Motion trajectories

You may order as a complete system(with control unit) as an oscillator only.

Technical data of PM-WMO-120

Mains voltage and frequency 220 V, 50 Hz
Weight-carrying capacity, no more 10 kg
Oscillation speed 0 - 50 mm/s
Oscillation width 0 - 50 mm
Dwell time left/right 0,1 - 2,0 s
Total slide travel 120 mm
Dimensions (LxWxH):  
Oscillation unit
254 x 184 x 187 mm
Control unit
240 x 220 x 140 mm
Rotary drive stepper motor
Oscillaton unit
6,1 kg
Control unit
4,2 kg

PM-PF-10 · PM-WMO-120 · PM-RM-100 · PM-WC-1000 · PM-WC-3000


Exteriors and technical data of equipment could slightly differ from above mentioned due to the permanent development.

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