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Well-Proven Technology for Industrial Applications
ROFIN delivers a broad range of CO2 lasers that reaches from sealed-off products up to multi-kW lasers in the power range from 30 to 8,000 W. Whether for laser cutting, welding, structuring, perforating, drilling or laser marking – the established CO2 lasers from ROFIN are always a good choice. Due to their high reliability, low maintenance efforts and an excellent beam quality, they are essential tools in production
Diffusion cooled with minimal gas consumption
The secret for this decisive technology is the two water-cooled electrodes (slabs). High frequency between these electrodes leads to stimulation of the laser gas. The optical resonator of this CO2 laser is formed by the front and rear mirrors and the two electrodes. The heat generated in the gas is dissipated by the water-cooled electrodes (diffusion cooling). Thus, the conventional gas circulation systems involving roots blowers or turbines are not required.
The crucial advantage of this laser principle is that the laser gas neither needs to be circulated nor to be renewed permanently. That means that turbines and blowers susceptible to deterioration and service are eliminated. Thus, optics integrated into the resonator that are contaminated by flowing laser gas (especially the outcoupling windows) are a thing of the past.
These diffusion-cooled CO2 Slab laser from ROFIN is not only an excellent tool for laser cutting but also the perfect device for a wide variety of applications like laser welding and surface treatment.
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Sealed off Slab laser
The optical resonator of this CO2 laser is formed by the front and rear mirrors and two parallel RF-electrodes. Excitation of the laser gas takes place in the RF field between the water-cooled electrodes. The heat generated in the gas is dissipated by the water-cooled electrodes (diffusion-cooled). A beam shaping module is integrated into the laser head and produces a high quality round symmetrical beam.
The Sealed-Off lasers by ROFIN are suitable for any kind of applications, e.g. like laser cutting, structuring, scribing, laser perforation or surface treatment.
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The ROFIN MultiScan has been specifically developed to enable simple alphanumeric and/or complex marks containing graphics to be applied to a wide variety of materials. The system can mark stationary items or moving products that need to be coded ‘on the fly’. The flexible software allows intelligent data to be placed anywhere within the specified scan area. It also offers an optional facility to generate and download complex graphics and can also produce two-dimensional or traditional bar codes.
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The New Flexibility
In addition to the fiber lasers, our solid-state lasers are the tool of choice, whenever a flexible beam guidance is required. They are well applied for laser cutting, laser welding, removing, drilling and scribing. Solid-state lasers have also proven to be the ideal beam source for most marking applications. ROFIN offers an extensive choice of CW-, pulsed and Q-switched solid-state lasers with a power range between 3 and 1000 W – in all cases the right laser for your application.
Compact and Efficient
Our pulsed, q-switched and cw mode fiber lasers with a power rate of only a few watts up to 6000 watts allow cost-effective welding, cutting or marking of metal and plastic materials. Fiber lasers stand out due to their high efficiency and excellent beam quality. We now offer fiber lasers up to 8,000 Watt.
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Efficient, Powerful and Reliable
ROFIN’s fiber-coupled diode laser with 6 kW output power is an ideal tool for brazing, cladding and surface treatment applications due to its smooth an homogenous beam profile and the high efficiency. The wavelength close to 1 μm achieves high absorption in many materials and ensures best results.
Converting electrical power directly into laser radiation – that’s the by far most efficient way. Inside a ROFIN diode laser, multiple diode laser modules – each providing an optical output power of 1kW – are combined together and coupled into a multi-mode single core fiber. Each module is monitored individually and can be replaced on site if necessary.
The modular design allows flexible power scaling and ensures high availability as well as ease of maintenance. In addition, standardized customer interface and a remote access for diagnostics provide highest user-friendliness. The robust system comes with an integrated cooling unit enabling the use of process water which is available in the most industrial areas.
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Solutions from ROFIN – The Pioneer and Market Leader Worldwide
Manual laser welding systems from ROFIN – the pioneer and market leader worldwide -combine the excellent quality of laser welded joints with easy handling and fast operational readiness. Spot and seam welds with a preciseness within the micron range within minutes can be created within minutes – also in complicated areas. The rule of thumb is: you can weld what you can see. Experienced users can create very fine work pieces with the manual welder at an unmatched accuracy and precision and cannot be achieved with any other method.
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Desktop is the all-purpose and value-for-money compact tabletop laser system for manual welding. It was designed for the specific demand in laboratories, workshops and institutes and is hence the ideal system for the entry into laser technology. The Desktop is ergonomically optimized and can be placed on any desk. The air-cooled system requires only a one-phase power supply.
The workpiece can be positioned via stereo microscope and cross-hair. The high performance and long lifetime open up applications in customizedand prototype production, for repair works and just as well for small batch production.
The new Performance redefines the state-of-the-art of manual laser welding featuring many application- driven innovations and numerous technical refinements in an entirely newly designed housing.
The new Performance is clever – it takes advantage of welding intermissions for workpiece handling. The new SPEEDmodeTM increases the maximum pulse frequency significantly and uses work breaks for reloading. During longer intermissions the system switches to the energy saving ECOmodeTM
The Select is a fully integrated system: ergonomically optimized manual welding laser, joystick controlled deposit welding system or high-precision CNC system – a unique welding concept with four high-precision axes, short setup times and easy CNC programming.
As much automation as you want, with the minimal complexity you need. All parameters can easily be adjusted without any special know-how via a multi-functional joystick and large color touch-screen.
The Integral features the same integrated user concept as the Select, CNC control and all technical innovations. Its xy table moves workpieces with a maximum weight of 500 kg fast and very precisely. The working chamber provides space for objects with an edge length of up to 500 mm. As an option, the Integral can be made an open system laser class IV workstation and therewith can hold very large workpieces.
The optical system which can be swiveled around 2 axes, allowing processing of perpendicular surfaces, undercuts or deep grooves without turning or tilting the workpiece.
Setting the Mark
ROFIN offers an unparalleled laser product portfolio, comprising 1064 nm, 532 nm and 355 nm wavelength laser markers as well as various technologies and specialized setups. Our lasers for marking allow for cost-effective marking solutions with excellent results and ensure maximum operating efficiency in the long run. Depending on the complexity of your marking application there is a choice between individual and preconfigured systems.
EasyMark‘s modular concept realizes a huge working area within an extremely compact housing. An all-glass lifting door provides barrier-free access to the working chamber. The system can be optionally equipped with a z-axis, various optics and external or through-the-lens camera solutions. It accommodates completely air-cooled laser sources with powers ranging from 10 to 50 W.
With high process reliability, no wear and tear, minimum maintenance and, last but not least, excellent environmental compatibility, the EasyMark offers an attractive alternative to other engraving techniques
Advanced laser technology and marking software enable new applications and bring laser marking and engraving to the highest standards. The new EasyJewel with ‘Enhanced Mode’ has been especially designed for circumferential seamless designs and large components requiring homogeneous surfaces.
The majority of materials used in the jewelry industry including precious metals, alloys, polymers and ceramics can be processed. The rugged construction
and ease of operation are beneficial for any jeweler: clamping the rings for internal or external marking with the laser is unrivaled.
All Purpose Laser Markers
ROFIN‘s all-purpose laser markers feature spacious working chambers, large color displays or touchscreens and everything you need for instant operation and convenient programming and control.
The CombiLine Advanced is available in different versions either for standing or seated work position, with rotary table (model RT) or work table (model WT). The laser marking system can be equipped with the optimum laser source for designated applications. With motorized axes even marking of workpieces with complex geometry is a breeze. Process visualization through 15“ touchscreen ensures maximum ease of use.
The laser workstations of the series CombiLine Basic are your first choice when you are looking for a compact basic model for a medium batch size. Designed for standing operation, the CombiLine Basic is available with work table and indexing table (CombiLine Basic RT).
LABEL MARKER ADVANCED
The LabelMarker Advanced is the optimum label marking and cutting solution for highest demands in performance and reliability. Full parametric control enables the laser marking of graphics and machine readable symbols and ensures maximum flexibility.
From Turnkey Laser Systems to Customized Complete Solutions
For more than three decades ROFIN have been developing not only laser sources but also customized complete solutions for most different applications such as laser welding systems, laser cutting systems, laser marking systems and various other laser system solutions.
Laser technology, mechanical engineering, software and process development are the decisive key disciplines for product quality, functionality and cost-efficiency. Complete solutions from ROFIN are solutions from a single source.
Profile Welding System – PWS
The PWS is a complete laser welding system with integrated process sensors for gap recognition and seam tracking.
The new Weld Sensor allows the user to make automatic corrections to the welding position on the joint gap via the integrated control system, in addition to observing the welding process. The new PWS control maintains the tried and proven central operating concept, but also offers additional features. The new features include easier integration to third party or customer controls using an Ethernet-based connection, as well as process-specific functions such as product data storage. The fast precision linear drives, also with a new control concept, continue to ensure the greatest possible production throughput. They facilitate a positional accuracy of the laser beam of just a few μm with welding speeds of up to 60 m/min.
The modular construction of the PWS and standardized interfaces allow for an easy integration – also in already existing systems. The approved beam guiding systems ensure a safe operation under industrial conditions. The PWS works virtually maintenance-free and is resistant to oil, dust, dirt, dampness and electrical disruptions, that is, ideal for usage in harsh industrial environments.
Thanks to the modular system, adaptations to customer-specific requirements and local circumstances can be made easily. This means, the beam guidance system can be adapted with a beam switch box or a beam splitter to enable simultaneous operation on various systems or at various welding points.
Depending on the requirements, the PWS is fitted with optimized jet geometries in order to achieve the best possible application results. A special weld head allows drag welding, which optimizes the process for high welding speeds. Other features, such as documentation of process data for quality monitoring purposes, can also be integrated on an optional basis.
The PWS can be combined with different laser beam sources from ROFIN, such as the fiber lasers of the FL Series or the CO2 lasers of the DC Series, to optimally adapt to the requirements of the customers.
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Scanner Welding System – SWS
The Scanner Welding System (SWS) is a fast beam deflection system used for robotically guided multi-spot welding and is an ideal system solution for the ROFIN fiber laser series.
The fiber laser is integrated into fully automated welding systems in combination with a 3-axis scanner and a robot. Complex shaped 3D components can be welded with the flexibility of the SWS, making it an ideal tool for laser welding in the automotive industry. By coupling all axes of the scanner with those of the robot as a guiding machine, the system commands a total of nine selectable axes.
Regardless of whether we are talking about spot-, circular-, wave- or stitching seams – the seam geometry is freely programmable and can therefore be adjusted to strength and component requirements. Through very fast arrival at the next welding position – and therewith very short laser down-time – non-productive welding times can be reduced virtually in full, which leads to a fast return on investment. The real time processing of the geometric data through the control, as well as through the rotating mirrors in the scanner head enables extremely fast positioning of the laser beam of < 10 ms within the working field.
The robot movements and speeds are optimized by complete offline programming of the application. Software functions also calculate the path inaccuracies of the robot so that repeat accuracies in the range of < 0.1 mm are possible.
The high brightness fiber lasers of the ROFIN FL Series with a wavelength in the range of 1 µm are the heart of the Scanner Welding System. The excellent beam quality allows the efficient use with “dynamic beam” scanner systems such as the SWS.
The Z-adjustable collimator unit, two rotating deflection mirrors and the focusing device are integrated in the scanner head. The beam of a fiber laser is transmitted to the scanner head via an optical fiber. The scanner allows use of the laser as a highly dynamic flexible tool for material processing and enables fast, precise, fine positioning of the laser spot in the space. For this purpose, the laser beam is positioned quickly, precisely and reliably in three dimensions with the help of moveable mirrors and optical elements.
The RobotSyncUnit, which ensures efficient planning and set-to-work, achieves optimum cycle times and offers the ideal solution for programming, controlling and monitoring the SWS. As integrated operating and programming interface, the RobotSyncUnit takes care of an optimised interaction of the robot, scanner and laser. Optional offline programming software allows simple import of CAD data.
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Laser cutting is applied for different kinds of materials where complex contours demand precise, fast and force-free processing. Lasers create narrow kerfs and thus achieve high-precision cuts. This method does not show any distortion and in many cases post-processing is not necessary as the component is subject to only little heat input and can mostly be cut dross-free.
Almost all kinds of metals can be laser cut: mild steel, stainless steel and aluminum are the most common applications. Other laser cut parts are made from wood, plastics, glass and ceramics. Compared to alternative techniques like die cutting, laser cutting is cost-efficient already for small-batch production. The big benefit of laser cutting is the localized laser energy input providing small focal diameters, small kerf widths, high feed rate and minimal heat input.
Mild Steel / Stainless steel / Non Ferrous heavy metal / Noble metal / titanium / Silicone / Plastics / Wood / Paper / Glass / Memory metals / textiles / Diamonds
The laser beam welding is mainly used for joining components that need to be joined with high welding speeds, thin and small weld seams and low thermal distortion. The high welding speeds, an excellent automatic operation and the possibility to control the quality online during the process make the laser welding a common joining method in the modern industrial production.
Spot and seam welding / Laser deposit welding / Remote and scanner welding / Tube and profile welding
The laser marks virtually all metals and plastics and various other materials with high contrast and without adding any undesirable substance. In most cases the typical physical effect of the laser induces a color change within the material so there is no surface modification by corrugations or burrs. Different marking methods and laser sources (solid state and CO2) are used, to achieve the best results on every type of material.
Metals / Plastics / Semi-conductor material / ID Cards / Day night marking / marking of foils / organic material
Lasers, especially high-frequency excited, fast modulating CO2 lasers with extraordinary power stability, are especially suited for perforating paper or plastic foils. Usually, web material is processed at winder systems at high speeds of up to 700 m/min. Hole diameters ranging from 50 – 400 microns can be achieved. Highly sophisticated systems like the ROFIN PerfoLas provide perforating speeds of up to 420,000 holes per second
Cigarette Tipping paper / Modified Atmosphere Packaging / Protection against Forgery
Apart from the classical techniques of laser cutting and laser welding, lasers are used for surface treatment. Surface treatment is a collective term for applications where the laser radiation does not penetrate the material very deeply. This type of surface treatment is characterized by the fact that it changes the mechanical properties of an existing component.
Hardening / Decoating / Colour Abalation / Depainting / Laser Cleaning