Automatic joint tracking system for most joint types

The GMH joint tracking controller together with ESAB servo slides and a sensor unit forms a robust and easy to use joint tracking system for automatic welding.

The GMH system minimizes repair welding and adjustments after welding with the arc always in the optimal position. The general quality will be kept on an even level and the operator does not need to focus on the weld head and its position. The operator can then keep an eye on the entire installation and contribute to a non-interrupted welding production by adding flux and prepare for changing the wire spool well in advance.

The welding head is mounted on a motorized double servo slide where the head can be moved up-down and left-right. The sensor is the most vital part in the system  which gives information to  the control system how to   adjust the slides to keep the arc in the optimal position. There are a number of different mechanical sense fingers for different applications. Inductive sensors can also be used.

The operator uses the joystick to guide the welding head and mechanical sensor finger into correct position. No programming is required. The unit is set in track mode and the welding can start. Curved details can be welded fully automatic with GMH  as the guiding tool, as long as they are within the working range of the servo slides.


GMH is available in two versions:

  1. With control panel on the front
  2. With remote control (no control panel on the front)
  • Easy to use, no programming required
  • Robust
  • Flexible with a remote control
  • Very short set-up times
  • Gives a less stressful environment for the operator
  • Minimize operator errors


  • Shipbuilding (panels, sub-components)
  • Power generation (wind towers, boilers, vessels)
  • Infrastructural components (beams, bridges)
  • Off-road vehicles (excavators, dump trucks)


General Specifications
Control voltage
Max motor current
Armature voltage
Field voltage
Current limit
Dimensions lxwxh, mm
Weight, kg
Enclosure class
Remote control specifications
Dimensions lxwxh, mm
Weight, kg
Enclosure class
Sensor (Standard) specifications
Weight, kg
Mini Cross saddle and support for the saddle specifications
Setting length
Weight, kg
Intermediate transformer specifications
Input voltage
Output voltage
Dimensions lxwxh, mm
Weight, kg
42V AC, 60 Hz
supply voltage 10A (slow)
6A 100%
40V DC
60V DC
mm 9.6"(246mm)x9.25"(235mm)x10.7"(273m)
13.2 lbs (6.0 kg)
IP 23
IP 23
±0.1 mm
13.2 lbs (0.6)
80 mm
110V 60Hz
42V 660VA
mm 12.1"(308mm)x8.7"(223mm)x5.23"(133mm)
34.3 lbs (15.6 kg)


GMH System, complete
GMH System, complete
0460 884 880
0460 884 881


Instruction Manuals


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