Perfect Welding

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Perfect Welding

HTW Robotic Welding Cell


Welding processes: MIG/MAG, CMT, TIG, ArcTig, Plasma
Modular, collaborative, and flexible: the “Handling-to-Welding” robotic welding cell joins parts of different geometries and materials. The task is carried out by two robots – the handling robot positions the workpieces, the second robot performs the welding. Depending on the cell configuration, lock gates are available for the inward and outward transport of parts. Furthermore, various positioners, a TCP measurement system, a torch cleaning system, a gripper station, and a contact tip change system are also possible.


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Cost-effective and future-proof


HTW robotic welding

  • Individually configurable modules
  • Fully automated welding and movement of parts
  • Synchronous interaction of system controls, power source, and robot
  • Independent contact tip and welding torch change
  • Interfaces to common ERP systems

All from a single source

Comprehensive advice and planning

/ Feasibility studies

/ Technical design and engineering

/ Simulation of all processes (robots, system components)

Customized robotic welding cells

/ Individually configurable

/ Application-specific functions

/ Welding of complex, angular part shapes

Automatic job selection

/ The Operator selects the desired part-program on the HMI T21-RS system control

/ The part-program automatically activates all welding jobs.

Future-oriented data management

/ Part-related recording of welding parameters

/ Allocation of serial numbers for tracing parts

/ Data interface to third-party software

Creating and simulating welding jobs offline

Fronius Pathfinder enhances convenience and cost-effectiveness: The software enables the creation and parameterization of welding programs away from the system – even while the robotic welding cell is welding part after part.

Pathfinder recognizes axis limits, calculates starting points, end points, approach paths, and independently sets teach points. Interfering contours are visualized and welding torch positions are corrected promptly.


Pathfinder functions

  • Automatic generation of weld seams along a path
  • Corner welding function – automatic adjustment of speed and welding path
  • Variable adjustment of the welding torch inclination
  • Weld seam search with wire or gas nozzle
  • Definition of process parameters and weld properties
  • Selection of robot configuration
  • Definition of tool changes
  • Unlimited, automatic management of all robot axes
  • Multirun welding and automatic generation of passes
  • WPS welding database and more

The platform

Handling and welding robots

Perform the job together. The handling robot is also responsible for part positioning and removal.

HMI T21-RS system control

  • User-friendly touchscreen
  • Coordinates the system components, from the robot to the gripper deposit system
  • Highlights: 3D real-time display and program editor for the definition of all program sequences
  • Q-Maser Editor: live view of welding parameters, monitoring of limit values
  • User administration with individual authorization assignment and language selection

Robot control system

Controls the movements of handling and welding robotsand ensures fully synchronized, coordinated welding processes.Programming is simple and intuitive. The operator hasfull access to welding parameters and corrections.

Welding torch systems

Various welding torch systems – depending on welding process and part geometry.

TPS/i robotics power source

Integrated robot interface for seamless communication between robot and power source.

Find out more about the TPS/i welding systems

Cleaning, measuring & change stations

  • Change stations for welding torch & contact tips
  • Torch cleaning device
  • TCP measurement

System components

Gripper deposit system
Part lock gates
Shelving systems
Various positioners

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