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Laser beam sources, beam guidance and optics

For reasons of practicability, LASER on demand mainly uses laser beam sources that are already mobile due to their design. These are essentially diode and solid-state lasers, which allow a flexible beam guidance via optical waveguide (fiber-optic cable) due to their wavelength.

While in the power class up to 1kW almost the entire spectrum of laser beam sources can be used for mobile applications, in the multi-kW range especially high-power diode lasers and fiber lasers have proven their worth.

Modern high-performance laser for material processing for mobile and stationary applications:

  • Diode laser up to 20kW
  • Disk laser up to 16kW
  • Fiber laser up to 30kW

Laser beam sources

We cover 80% of the laser applications for material processing with our modern 5kW diode laser. This offers the best currently achievable efficiency and therefore comes with comparatively low power and cooling water consumption.

In addition, the system is very compact, robust and achieves stable laser processes even in difficult working environments.

An overview of all laser beam sources available at the location can be found here: Laser rental pool

Beamline

The beam guidance by means of light guide cable allows an uncomplicated, flexible and at the same time robust transmission of the laser beam to the processing location. Typical are fiber lengths up to 50m.

Optics

Through a modular system of processing optics, the beam is adapted to the respective task and focused on the component. The beam guide is completely closed and thus protected against contamination.

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The machining of workpieces by means of laser radiation usually requires a movement between the beam and the component. The lighter component is usually moved, this means for small workpieces, the component and for large laser optics. The flexible beam guidance by means of fiber optic cable makes it possible to use and combine a variety of handling systems. The systems described below are used by us at the customer or partly also by the customer.

CNC laser robot based on KUKA KR 150

The high flexibility of the robot combined with the accuracy of a CNC machine: Our CNC laser robot represents the state of the art. A technology-oriented and customizable user interface makes working easier and leads to a faster result in the west than the classic teaching.

Technical specifications:

  • 6-axis articulated robot
  • CNC control: Siemens SINUMERIK 840 D
  • Max. Load capacity: 150kg
  • Max. Range: 2700mm
  • Connection of all fiber-coupled lasers possible (laser class 4)
  • Welding head with sweep scanner (ILV)
  • integrated wire feeder for welding (Dinse)
  • sensor-guided welding (fall-village light-section sensor)
  • Laser cutting with distance control (Precitec SolidCutter)
  • Applications: Laser welding and cutting, cladding, hardening

Download CNC-Roboter (.pdf)

Large field robot Reis RV16 laser

Our 9-axis large-area robot is a real all-rounder: no matter if 40mm or 4m workpiece length - we solve most of our tasks with this special machine.

Technical specifications:

  • 6-axis articulated robot + 3 additional axles
  • Travel range: approx. 4500 x 2000 x 1000mm
  • Connection of all fiber-coupled lasers possible (laser class 4)
  • sensor-guided welding possible (Falldorf light section sensor)
  • Laser cutting with distance control (Precitec SolidCutter)
  • Applications: Laser welding and cutting, cladding, hardening
Cutting cell rice RV16 laser

Cutting applications for wood and plastics are carried out with our special cutting robot. Thanks to the internal beam guidance and moving CO2 laser, the interference contour is minimal and freedom of movement is maximum.

Technical specifications:

  • 6-axis articulated robot
  • Travel range: approx. 2000 x 1500 x 800mm
  • 300W CO2 laser moving, internal beam guidance
  • Laser cutting without distance control
  • closed cabin (laser class 1)
  • Extraction and filter system for process emissions
  • Applications: Laser cutting of wood and plastic
mirror scanner

Machining operations that require quick repositioning between a variety of working positions, for surface ablation or marking applications, use galvanometer scanners. Due to the low moving masses very high deflection speeds can be achieved, which minimizes the non-productive time.

Technical specifications:

  • TRUMPF PFO20, 80 mm diameter machining area
  • various Scanlab scanners, typ. working area 120 x 120mm
  • Connection of all fiber-coupled lasers possible (laser class 4)
  • Applications: remote welding and cutting, hardening, ablation
Hand-held laser devices

For the production of prototypes or individual pieces as well as for repair applications, handheld laser devices are optimal, as elaborate programming work is eliminated. Thanks to various positioning aids and mechanizations, machining quality comparable to that of CNC machines is frequently achieved. A combination of different safety sensors prevents unintentional switching on or ensures safe shutdown in the event of a fault.

Technical specifications:

  • for pulsed fiber-coupled lasers up to 300W average power
  • Spacer with safety contact
  • integrated camera with external monitor and reticle as positioning aid and for process monitoring
  • open, freely executable system (laser class 4)
  • Applications: tack welding, joining and surfacing with filler wire
Mobile linear axes

Mobile machining operations with high laser powers and long switch-on durations, which are no longer feasible with hand laser devices, are realized with our modular system of compact and rigid linear axes. Thus, an optimum of mobility, flexibility and process speed is achieved.

Technical specifications:

  • various axle systems up to 1000mm travel
  • modular combinable for 3D processing
  • Applications: deep welding and build-up welding on large components

Your CNC machine + our laser

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In addition to the above systems, any CNC machine tool can be used locally for laser processing if a laser safety area can be set up. The optical shielding then takes place by means of partitions and laser curtains.

Laser processing in CNC machines opens up completely new possibilities for production. Thus, e.g. First of all, work on a workpiece as usual and then weld it to a module with low distortion in one set-up. This shortens the process chain and significantly reduces subsequent operations (e.g., straightening, grinding). Especially the machining of large components can thus be made accessible for laser processes, so that the advantages of laser processes are fully exploited here as well.

Do you have an application for laser processing in your CNC machine? Our application engineers and laser safety officers are happy to advise you.