WeldLogic Technology 
3D scanning multipass welding with Adaptive Intelligence

After having been in the market with SensLogic solutions for some years, the need for a more sophisticated automated multipass welding process became evident to Inrotech.

Consequently, the development of the WeldLogic technology commenced by 2014 in Inrotech’s workshop.

In 2016 multiple systems were successfully implemented at Welcon A/S, Denmark for the welding of longitudinal joints of wind tower tubes.

Since then the WeldLogic technology has been developed further, now to include welding in all positions, including around tubes. Furthermore, a large variation of weld groove geometries can be recognized by the system.


No matter the physical design of the Inrotech Welding Robot solutions, based on WeldLogic technology, they all have their core capabilities based upon Inrotech’s own software and weld-planner. No matter the position of welding or the design of the groove, Inrotech’s WeldLogic technology can be adapted to fit almost any multipass butt-welding processes, as long as physical access for the robot can be provided.


An important part of a project is to verify by testing all relevant process parameters such as: Welding wire, shielding gas type, steel type, primer, preparation conditions like gap etc. These process conditions are all important factors of a welding robot project with WeldLogic technology.

These tests are conducted on material supplied by the customer.

All basic functions and parameters which are part of the process are tested and run-in at Inrotech’s workshop before the system is delivered to the customer.

Once the system is delivered and set up at the customers site, final optimizing/fine-tuning takes place, while the system is running in production.


The main advantage of Weldlogic is the fully automatic filling up of butt weld grooves in heavy gauge material. The system excels by:

  • No programming

  • No transfer of CAD drawings

  • No back-end engineers required

  • Simple green/red button simplicity: green for start, red for stop.


Therefore, the system does not require any special educated staff for the operation. A short introduction and you are ready to go!


All depending on the design of the Inrotech welding robot in question, the robot must be positioned in a correct working position. As the robots are not depending on any accurate global coordinate system, but rather is taking reference point in the object itself, no accurate positioning is required: The robot will figure it out by itself!

When the welding robot is in the right position and the job set-up is prepared, the operator just needs to start the sequence. Often this means that the operator, in most cases being the welder, just have to press the START button. In some cases, the operator is also required to select start / stop point of the welding. But that’s it!

The WeldLogic welding robot from Inrotech recognizes the material gauge, the bevelling angle, gap, including all tolerances along the weld groove and welding automatically starts without any further input from the operator.

Questions or need more details? 
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