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Laser Processing Head PDT

Laser Processing Head PDT On the Leading Edge

These are the properties which allow the II-VI HIGHYAG PDT to tap into new applications for time- and cost-saving laser brazing and welding. With this self-controlled laser machining head, it is now possible to utilize rational laser technology without technological effort, e.g., for welding trunk lids, for roof and sealing duct brazing or for brazing and welding overlap joints (flange welds and fillet welds).

The problem-free use of the PDT is based on a tactile servo motor assisted seam tracking, which is integrated in the machining optical system. This involves a tactile sensor finger, optionally with or without a wire, via an innovative optic-mechanical rotary motion that is directly coupled with the focus guidance system.

The processing head can traverse the laser focus to the precise welding or brazing  position and then safely and accurately guide it over the workpiece during the process. This compensates for tolerances of the component part and inaccuracies of either the programming or the handling machine. The path can remain unchanged, thus significantly simplifying control.

With the help of a PC-based user interface, a parmeterization of the head (control functions, inputs and outputs) is possible.

The modular optic and mechanical design of the head enables versatile use through the wide range of components offered. For the corresponding modules, this makes it possible to set different scales of figures for welding and brazing and use different types of

Laser Processing Head PDT-B

Efficient and Simple Precision

Today, lasers are not the cost determining factor in a laser application and a laser system installation. The efficiency of modern diode, fiber and disc lasers has shifted the cost contribution to the accessories and the system integration. The new laser processing head PDT-B follows the laser's exemplary trend by providing the essential seam tracking and auto focus functions using an unmatched cost-effective design.

One of the most important requirements of the laser application is to locate the focus of the laser beam precisely at the defined seam position. The patented technology of the laser processing head PDT-B handles this task in an amazingly simple manner. A tactile sensor which is directly located in front of the laser focus controls the lateral and vertical beam position and therefore guarantees the correct position on the workpiece.

Laser Processing Head RLSK

As a pioneer of the third dimension, the laser processing head RLSK sets new efficiency standards for laser welding. The RLSK combines the advantages of the remote laser welding principle: a large working distance and the capability to position the beam in a 3D work space. In its entire 3D work space, the RLSK allows beam positioning within milliseconds and it guarantees a uniform beam diameter. This 3D capability permits the remote laser processing head to accurately position the beam along high speed robot motions enabling short cycle times and a very high utilization of the laser and the robot.

Function

The Optics of 3D Precision

The RLSK uses scanner technology to position the laser light on the work piece. Two high speed scanner mirrors and a linear axis (which holds the collimation module) accurately position and move the laser focus in a 3D work space of 200 x 300 x 200 mm3 within milliseconds. The unique optical design of the lens systems for collimation and focusing of the laser beam guarantees a constant focus diameter for reliable process results in the entire work space. The integrated linear axis moves the focus position in the Z dimension and positions two additional laser pointer beams to the laser focus position. This enables offline and pre-programing of the welding process with pinpoint accuracy. The laser welding process can be observed and analysed online by coupling the imaging system of a CCD camera to the linear axis of the RLSK.

Easy process set-up with the RLSK Studio

The RLSK Studio software enables the user to leverage the capability of remote laser processing as well as setting up the entire process in an user friendly way. The precise positioning of the laser focus and the process features can easily be visualized using the RLSK Studio. The graphical user interface of the RLSK Studio assists in synchronizing the focus movement of the RLSK with the motion sequence of a handling device such as a robot.

Main Features of RLSK Studio:

  • Downloading and uploading of work pieces or component geometry
  • Editing process sequences
  • Editing process features such as seam shapes, welding speed, laser power, laser power ramping, defocussing etc.
  • Visualizing and optimizing the laser-on time
  • Editing synchronization points and the optimizing motion sequences

Laser Processing Head RLSK Technical Data

Optical System

Focusing system (magnification @ focal length) 3.0 @ 450 mm*
Collimation system (magnification @ focal length) 1.0 @ 150 mm*
Max. average laser power 8 kW
Max. beam parameter acceptance (half angle) of laser light exiting fiber 97% power content within 115 mrad
Wave length 1020 - 1080 nm*
Transmission > 94%
Core diameter laser light cable 50 – 300 μm (recommended)
Laser light cable receiver HIGHYAG LLK-Auto(LLK-D), HIGHYAG LLK-HP(LLK-B), QBH*
Max. deflection angle of beam to optical axis 12 °


Work Space

X,Y 200 x 300 mm² (@ Z = 0)
Z ± 100 mm
Working distance to cover slide 510 mm (@ Z = 0)
Positioning time 10% field diagonal (X,Y) < 8 msec
Positioning time 100% field diagonal (X,Y) < 25 msec
Positioning time 10% field stroke (Z) < 15 msec
Positioning time 100% field stroke (Z) < 30 msec
Max. processing speed 1 m/sec
Max. re-positioning speed 5 m/sec
Positioning accuracy ± 0.2 mm (X,Y), ± 0.5 mm (Z)


Process Monitoring

Magnification 1:5 (1 mm field distance is equivalent to 0.2 mm on the camera chip),*
Interface CCTV viewing C-Mount
Optional camera system USB, Ethernet, *


Dimensions

WxDxH Approx. 382 x 451 x 493 mm³ (depending on configuration)
Weight Approx. 35 kg (depending on configuration)


Supply

Electrical AC 230 V, 50 Hz, 1,5 kVA* DC 24 V, max. 3 A
Pneumatics ≤ 1.0 MPa Cross jet: ≤ 1.0 MPa, approx. 2000 l/min @ 0.6 MPa
Cooling Flow rate 3 l/min, temperature 15 – 35 °C (avoiding condensation)
PLC / field bus system Hard wired, Profibus, Profinet, DeviceNet, Ethernet/IP, Interbus, CAN bus
Signal output rate 1ms


Subject to change without prior notice
*Others on request

RLSK Studio

Easy process set-up with the RLSK Studio

The RLSK Studio software enables the user to leverage the capability of remote laser processing as well as setting up the entire process in an user friendly way. The precise positioning of the laser focus and the process features can easily be visualized using the RLSK Studio. The graphical user interface of the RLSK Studio assists in synchronizing the focus movement of the RLSK with the motion sequence of a handling device such as a robot.

  • Main Features of RLSK Studio:
  • Downloading and uploading of work pieces or component geometry
  • Editing process sequences
  • Editing process features such as seam shapes, welding speed, laser power, laser power ramping, defocussing etc.
  • Visualizing and optimizing the laser-on time
  • Editing synchronization points and the optimizing motion sequences
Laser Processing Head RSK

For High-Quality Welding Connections

For high-quality welding connections of sheet metal packages one hundred percent reliability in focus guidance is an absolute must. This is ensured by the II-VI HIGHYAG RSK laser processing head. An integrated pressure roller or pressure finger clamps the workpiece and thereby simultaneously takes over the guidance of the focus position on the workpiece.

With an infinitely variable pneumatically controlled force (max. 100 daN), the roller or finger runs over the sheet metal  package, thereby precisely following the shapes of the workpiece. Direct coupling of the pressure finger with the focus achieves an “auto-focus control”,  which significantly simplifies the process set-up.

On the other hand, exerting counter pressure can also generate forces below the weight of the head, thus making a “weightless” welding process possible.

For clamping the sheet metal package on both sides, a clamping module with double rollers or double fingers is mounted on the pneumatic linear unit. This enables a clamping force of up to 100 daN to be achieved.

The proven focus heads BIO and BIMO, offering the advantages of a quick cover slide change and opto-electronic cover slide monitoring, are used for focusing the laser beam.

The modular design of HIGHYAG RSK with head-mounted EPS allows customer-specific system integration and robot adaptation (with or without a crash sensor), a wide application spectrum and versatile, long-term guaranteed possibilities for retrofitting. A high level of investment security is therefore guaranteed.

Laser Processing Head µ

Cutting and Welding with Micron Precision

Micro laser material processing is playing an increasingly important role in flexible manufacturing. For innovative laser beam sources, including diode lasers as well as disc and fiber lasers, possible deployment scenarios are constantly expanding.

The flexible modular µ laser processing head develops the full potential of laser systems in the various job scenarios in micro laser processing. Apart from cutting in the single mode in order to take kerfs with a cut width of a few µm, the processing head can also be deployed in alternative optical configurations for plastic welding with foci in the mm range. For custom applications, process-supporting modules are available, such as cutting and shield gas nozzles for welding.
Process monitoring modules are designed for process monitoring and set-up. When it comes to the combination of systems for image recognition and seam detection, optical interfaces are available that permit the imaging of the processed spot with a local resolution in the µm range.
The modular system permits a universal mechanical integration of the head in laser processing facilities using the most diverse geometric parameters.

In a word:  µ laser processing head will set you up for any job involving micro laser material processing.

Laser Processing Heads BIMO

High Performance on Best Focus

Welcome to the new generation of the BIMO modular processing head, based on the proven laser processing heads BIO and BIMO thar have seen successful deployment in thousand of production scenarios.

The innovative design comes in response to new laser light sources, from the diode laser to the disc and fiber laser, which have expanded the requirements for the optical systems of processing optics. While it masters these challenges , we made sure the system is of the same solid construction. It also permit safe, simple operation in 24/7 production then as now.

Thus, the flexible, modular system of the BIMO laser processing head forms the basis for most tasks in laser-based material processing.

Function

The processing head can be configured in individual and modular ways. This includes simple tasks, like focusing the laser light onto the workpiece, as well as configuration of the entire turnkey subsystem of the laser processing head inside the laser cell.

Cover slide drawer and cover slide monitor Cross Jet and shielding gas module

 

Technical Data

Optical System

Focusing system (magnification @ focal length) 1.0 @ 200 mm, 1.25 @ 250 mm, 1.5 @ 300 mm, 2.3 @ 460 mm, 3.0 @ 600 mm; * **
Collimation system (magnification @ focal length)

1.0 @ 200 mm, 1.2 @ 167 mm, 1.33 @ 150 mm, 1.4 @ 143 mm, 1.6 @ 125 mm, 1.75 @ 114 mm, 2.0 @ 100 mm, 2.5 @ 80 mm
zoom collimation(MZ) with focal length 50-120 mm,
zoom collimation(MZ) with focal length 60-110 mm or 110-185 mm,; *, **

Max. laser power average 6 kW (optional 20 kW), peak 200 kW
Max. beam parameter acceptance (half angle) of laser light exiting fiber 97% power content within 125 or 240 mrad(depending on collimation system)
Wavelength
?=900 - 1060 nm (e.g. for diode lasers)
?=1025 - 1080 nm (e.g. for YAG, fiber and disc lasers) *
Transmission > 97 % @ ?= 1064nm
Core diameter laser light cable 10 - 1000 µm (typical)
Laser light cable receiver
HIGHYAG LLK-HP, LLK-Auto, LLK-B, LLK-D, QBH *


CCTV-Viewing

Interface CCTV-viewing
C-Mount
Optional camera system Ethernet *


Dimensions

Size (W x D x H)
- BIMO G
- BIMO W

Approx. 210x95x580 mm
Approx. 350x95x450 mm
Weight
- BIMO G
- BIMO W

Approx. 3.6 kg
Approx. 4.4 kg


Supply

Electrical
DC 24 V, 2.5 A *
Pneumatics <_1.0 MPa
Cross Jet: 1.0 MPa, approx. 500 l/min @ 0.6 MPa
Shielding gas On request, approx. 5-40 I/min, 0.6 MPa
Cooling Flow rate 2 l/min, temperature 15 - 35 °C (avoiding condensation)
PLC / field bus system
Hard wired, Interbus, Profi bus, DeviceNet, *


Subject to change without prior notice
* Others on request ** Not all avaialble for diode lasers

 

Laser Processing Head BIMO-FSC New Generation

Reliable. Intelligent. Fast.Reliable. Intelligent. Fast.
II-VI‘s new laser cutting head meets all requirements for flat sheet cutting: productivity, reliability, serviceability, and connectivity.
The opto-mechanical system has been designed for extreme high powers and 24/7 operation in industrial environments. Our even faster new zoom-optics, with its extended and infinitely variable adjustment of focus diameter (M) and focus position (Z), enables outstanding cutting performance over a wide range of materials and thicknesses leading to maximum flexibility and productivity. New features prevent contamination to ensure high reliability. Integrated sensors offer a superior level of embedded intelligence providing condition monitoring and maximizing uptime. Welcome to the new generation of laser cutting heads.

Intelligent System

  • Motorized, fully independent adjustment of focus position (Z) and diameter (M)
  • Integrated health sensors
  • Process light sensor

Applications

Thin and thick sheet cutting including bevel cutting with high-brightness fiber, disc or diode lasers

Features

  • 12kW laser power
  • Contamination proof opto-mechanical design
  • Minimized laser power induced focus shift and diffraction limited imaging quality for best cut quality
  • Motorized, continuous and rapid adjustment of M and Z
  • M and Z ranges
    - Z: -15mm to +40mm (depending on options)
    - M: 1.2 to 4.8 (depending on options)
  • Fully integrated electronics
    - Interface: hardwired, Profinet or EtherCAT
  • Health sensors
  • Process light sensor

 

Laser Processing Head HIGHmotion 2D

Full throttle to a future of electric cars

The HIGHmotion 2D is a remote laser welding head optimized to produce high quality and highly reliable welds on Aluminum and Copper connections on batteries used in electric vehicles.
The system is rated for 6 kW average laser power in continuous wave operation and is optimized to withstand back reflections that are typical when welding highly reflective materials. The advanced optical design enables excellent imaging quality by minimizing thermally induced focus shift. Equipped with a II-VI F-theta lens, near-orthogonal welding angles can be achieved over a processing area of 200x300mm², which ensures that the beam can access the work pieces around complex and narrow clamping devices used in battery welding.

Perfect Fit for Battery Welding

  • Industry tough design including dust proof housing, stainless steel water cooling circuit and monitored cover slide at F-theta provides high uptime
  • Self-calibrating, high performance galvanometers lead to fast and precisely controlled positioning for high accuracy and long-term stability
  • New TCP offset function enables full position control
  • Sophisticated software suite includes tools for traceability and IoT like data matrix- and QR-code marking, logging of events or monitoring the complete welding system
  • High level serviceability due to easily accessible and exchangeable components

Features

  • Compatible with fiber and disc lasers
    - IR + green wavelength
    - LLK-D and LLK-Q available*
  • Rated for 6 kW CW laser power
  • F-theta for best imaging quality
    - Large work space of 200 x 300 mm2
    - System magnification options
    - M = 3 or M = 4
  • Large working distance of more than 0.5 m
  • Weighs only 21 kg **
  • Up to 4 cover slides, including a cover slide before collimation, prevent damage to the optics from contamination
  • Process enhancing accessories, e.g. several crossjet options, a new teach module or a CCD adapter
  • A complete system ready to use including cable management, robot support, crash sensor, crossjet, software, electric & pneumatic supply, camera, fiber cable, cover slides and more Compatible with all common process observation tools
    *others on request
    **depending on configuration
Laser Processing Head PDT
Laser Processing Head PDT On the Leading Edge These are the properties which allow the II-VI HIGHYAG PDT to tap into new applications for time- and cost-saving laser brazing and welding. With this self-con... Read More
Laser Processing Head PDT-B
Efficient and Simple Precision Today, lasers are not the cost determining factor in a laser application and a laser system installation. The efficiency of modern diode, fiber and disc lase... Read More
Laser Processing Head RLSK
As a pioneer of the third dimension, the laser processing head RLSK sets new efficiency standards for laser welding. The RLSK combines the advantages of the remote laser welding principle: a large working distance and the capabili... Read More
Laser Processing Head RSK
For High-Quality Welding Connections For high-quality welding connections of sheet metal packages one hundred percent reliability in focus guidance is an absolute must. This is ensured by ... Read More
Laser Processing Head µ
Cutting and Welding with Micron Precision Micro laser material processing is playing an increasingly important role in flexible manufacturing. For innovative laser beam sources, including ... Read More
Laser Processing Heads BIMO
High Performance on Best Focus Welcome to the new generation of the BIMO modular processing head, based on the proven laser processing heads BIO and BIMO thar have seen successful deployme... Read More
Laser Processing Head BIMO-FSC New Generation
Reliable. Intelligent. Fast.Reliable. Intelligent. Fast. II-VI‘s new laser cutting head meets all requirements for flat sheet cutting: productivity, reliability, serviceability, and connectivity. The opto-mechanical system ... Read More
Laser Processing Head HIGHmotion 2D
Full throttle to a future of electric cars The HIGHmotion 2D is a remote laser welding head optimized to produce high quality and highly reliable welds on Aluminum and Copper connections on batteries used in electric vehicles.... Read More
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