High-strength steels and laser welding are increasingly popular in car body manufacturing. But combining those two things leads to a significant risk of hot crack formation. Now there’s a solution.
Light-based technologies are currently transforming every industrial sector, including aviation, medicine, automotive, research, biology, electronics, and many more. This process of up-heaval presents entrepreneurs with the perfect opportunity to make their mark with a single, brilliant idea.
The low heat input associated with laser hardening predestines this technique for use in the processing of heavy-duty components with complex geometries. By focusing the heat input on specific areas of the component, distortion effects can be minimized. In certain cases, laser hardening can be used in applications where conventional techniques such as inductive hardening or case hardening would not be feasible.
BAM study by Michael Rethmeier says: Laser welding in car body construction is more ecological that resistance-spot welding.
Exposure strategies are one of the keys to achieving even higher productivity in the manufacturing of 3D-printed parts. This article explains how they work.
Headed by TRUMPF, a new research project called ScULPT develops a new high-power ultra-short pulse laser system.
Lasers are the ultimate example of the tool for Industry 4.0. As well as transforming data directly into shapes, they also provide a wide variety of measurement and operating data for the digital process chain in smart factories.
How do laser metal deposition and laser metal fusion actually work? Two simulations help clarify the physical processes involved. The goal? To improve reproducibility and surface quality in both methods.
Digitalized manufacturing in terms of Industry 4.0 promises speed, directness and flexibility − so it needs a tool to match. Fortunately, the right tool has been ready for action for quite some time: laser light.
For a long time, laser therapy was too risky to use inside the body. If the fiber failed during the procedure, it would cause serious injury. Now, a little box in the beam path is offering a ray of hope for these applications.
Weld joints and adhesive bonds in powertrain components must comply with strict quality standards. To obtain first-class results, the joining surfaces must be perfectly clean. Lasers are efficient cleaning tools, capable of removing all traces of oily residues.
3D scanner optics work autonomously. Welding optics control the temperature of the plastic melting process, and fixed optics monitor the state of the process. In Industry 4.0, optics have their own minds, too.
Femtosecond laser pulses weld glass without any additional material. The process is economical and ready for industrial practice.
Cutting semiconductor material on a wafer scale requires optics that work with maximum precision - and that’s exactly what Ingeneric has developed.
A new software-based service from TRUMPF monitors critical laser data and provides maintenance recommendations to ensure laser process stability and high availability.
For some couples, artificial insemination is the only way to have children of their own. Researchers are constantly improving the methods used in reproductive technology—and lasers are providing assistance in key areas.
Turbulence researcher Eberhard Bodenschatz fires lasers at clouds to help him solve the mystery of why it rains. Meanwhile Jean-Pierre Wolf, an expert in nonlinear optics, is hoping to use his lasers to make his own weather.
Femtosecond lasers are storing data in quartz crystals. Once inside, the information can live on for eternity.
The Laser Metal Fusion (LMF) generative process is ready for batch production. Daniel Lichtenstein, Head of Sales and Marketing Development Additive Manufacturing at TRUMPF, talks about promising applications of LMF and well thought out process chains.
Physicists, doctors, chemists – all are waiting for shorter and higher energy laser pulses. The research of Dr. Hanieh Fattahi shows how it is done.
Dr. Antonio Candel-Ruiz explains why laser metal deposition is evolving into an additive manufacturing technique in its own right, and how even small and medium-sized businesses can benefit from the technology.
Magnesium alloys could be a dream solution for lightweight construction. Unfortunately, welding them is still a nightmare – but maybe not for much longer.
Eight ways to cut and join the lightweight materials aluminum, plastics and CFRP using lasers.
Oliver Schauerte, head of materials research and manufacturing processes at the Volkswagen Group, discusses the latest trends in lightweight construction, gun licenses for production staff, and the next big thing among materials.
Micro fusion cutting is the alternative to cold ablation with scanners.
Dr. Ulf Quentin uses ultrashort pulsed lasers to produce surface structures on a nanometer scale. He recently received an award for his work from the German Scientific Laser Society (WLT).
A newly developed pulsed green laser welds copper with high reproducibility and little spatter – regardless of the nature of the surface.
Laser beams detach sensitive OLED film displays from the carrier glass. Here solid state lasers work extra efficiently and with low maintainance.
Fiber-reinforced composites are increasingly popular, but tough to machine. Production engineers are increasingly turning to laser light as a wear-free, high-precision and highly productive choice of tool.
Instead of cutting glass by ablation, just take a laser and generate a tension inside the pane so it fractures in a controlled fashion. And with the right optics this happens at a speed of one meter per second.
Microstructuring of materials using brilliant laser light is one of the key topics now being investigated by the Laser Center (LFM) at the Münster University of Applied Sciences. The center’s founder and director, Professor Klaus Dickmann, specializes in structuring surfaces and lending them new functions.
Pro-beam, TRUMPF and the ifs are moving the process for the low-pressure, spatter-free laser welding of powertrain components into industrial application.
Users expect laser cutting machines to be able to handle two and three-dimensional components in an increasingly wide array of metals. That poses a challenge for machine manufacturers.
Smartphones, tablets and phablets have changed our lives. With the next generation of all-in-one mobile devices well on its way, it is lasers that are driving innovation for each and every component.
Close to Prague, a unique laser center is being developed to open up completely new research possibilities for physicists, medical scientists and materials scientists.
The laser is a ray of light guiding us into an even more intelligent future. Without light, the booming electronics industry would stagnate.
Imagine the possibilities … an anti-corrosion coating made of graphene no more than four atomic layers thick and that can be realized using industrial solid-state lasers.
Pressure is growing to achieve more with fewer resources. Suppliers with laser know-how stand to gain
A simple example illustrates how lasers are faster and more energy-efficient than milling machines at cutting sheet metal.
An MIT team is using a special camera to look round corners – with the help of the femtosecond laser
TRUMPF Scientific Lasers works on efficient beam sources for attosecond pulse generation
Joining materials that have long been considered unweldable is one of the biggest challenges in lightweight engineering. The laser offers some promising solutions.
Everyone agrees: Additive processes such as 3D printing and laser deposition welding are the future of manufacturing. We had a look around to see what this future looks like now.
A thousand holes per second, with micron-scale precision in both depth and breadth – only ultrashort pulse lasers can meet the latest requirements for drilling PCB contacts.
Researchers from TRUMPF, Bosch and the University of Jena won the Federal President's German Future Prize 2013. The team cleard the way into mass manufacturing for ultrashort pulse lasers.
Whether 3D printers will some day be found in every home shop remains to be seen. But one thing is certain: generative processes are well on their way to maintaining health and saving lives.
High quality, no tool wearing, significant advantages in terms of productivity and costs – these are only a few reasons to mark metal with the laser. Find out more about applications and processes.
Induction is proving to be an ideal partner for laser welding: for pre-heating, cleaning and hardening
Thanks to new PFO 3D programmable focusing optics, the focus spot now enjoys more freedom of movement than ever before. What’s more, “CalibrationLine” is on hand to ensure that the laser hits the spot each and every time.
“Power of Choice” is the slogan that best describes the numerous new laser beam sources for material processing TRUMPF will be presenting at the LASER World of Photonics 2013.
Microchips are getting ever faster and smaller, driving mechanical fabrication methods to the edge. Now the laser is taking over.
The wobble method is taking the automotive industry by storm. It offers all the advantages of remote welding, plus it bridges gaps between the surfaces being joined. That cuts down on costs and above all weight.
A simulation project at Fraunhofer ILT is advancing the use of picosecond laser ablation as a cutting technique.
New ultrashort-pulse laser generates previously unattainable output power.
High-tech materials such as glass, sapphire, ceramics and high-performance plastics are on the rise and light is almost the only way to work them.
An innovative diode laser that delivers more brightness and more power. Co-developer Dr. Tso Yee Fan explains the concept of very dense wavelength beam combining (WBC).
Who would have thought that combining the costly vacuum technology of electron beam welding with the beam of a solid state laser could be so effective?
On hand once again at this year’s Euroblech, TRUMPF will be showing machine tools, laser systems and services, all developed in the interest of flexible machining for sheet metal.
On September 14, about 550 guests were invited to Ditzingen to witness the award ceremony for the Berthold Leibinger Innovationspreis and the Berthold Leibinger Zukunftspreis.
Traceability, individualisation and design: Laser marking has established a permanent place in industry as a reliable tool for marking applications.
It would be so convenient during remote welding for the laser to position the necessary cut-out using the same scanner optic. It is time for a new process.
Machines from the TruLaser Series 5000 can cut stainless steel up to 50 millimeters thick - potential applications are making blanks for later machining.
The only thing capable of controlling lightning-fast remote welding in real time is an even faster camera.
Up to date electronic manufacturing without laser? Unthinkable! Many products would be quite simply impossible.
An international team of researchers cooled an object to its lowest possible energy state - using laser light. Jasper Chan explains this giant leap.
Physicists from the University of Tübingen created a laser using only gas and light. Dr. William Guerin explains why this laser is different from all others.
Ultra-short pulsed lasers mix and deposit the ingredients of complex coating systems on flat panel displays and solar cells in a single step.
A single solution for multiple applications: The highly versatile TruLaser Cell 3000
New concepts in the design and construction of structural elements of the car body save weight, time, costs and installation space.
photonic crystal fiber holds great promise: It guides far more power than today’s fibers and would even be able to guide the light of industrial CO2 lasers. The trick: the light moves between the glass instead of in the glass.
If the founding family of Hayden had a motto it would most likely be: “Get tough.” Dan Hayden, the fourth generation to lead the family firm, explains why laser technology is one of the best ways to achive this
The next generation of scanner optics will release the focus spot from the working plane. Here’s how users will benefit from this three-dimensional dance.
The car of the future should still be fast, comfortable, safe and able to go the distance. The car of the future should have very low CO2 emissions. But how?
The road to fiber-reinforced plastics in mass production is via the laser, says Dr. Uwe Stute, who reviews the opportunities and challenges ahead.
There’s no way to use the laser without ripples, spatters and vapors. But maybe there is? New research is attempting to tame the beast.
Tiny and cost-effective laser diodes have been around for 20 years. If we are successful in achieving the beam quality necessary for key industrial applications using diode lasers, everything will change.