Cavitar at Elmia Welding & Joining Technology 2024 trade fair
You are welcome to visit Cavitar at our booth A09:20 at Elmia Welding & Joining Technology trade fair taking place May 14-17, 2024 in Jönköping, Sweden. Come to discuss with…
Cavitar Presents Arcless Academy at NWE 2024
Join us at the Nordic Welding Expo 2024 at Tampere, Finland (March 19-21) and witness yourself the new method for weld education. We have live demos at our booth A130.
Season’s Greetings from Cavitar!
Warmest thank you to all our customers and partners for the year 2023. Together we made remarkable achievements in quality assurance of welding in several critical welding applications in see,…
Cavitar Remote Visualization of Welding & Additive Manufacturing Processes at SCHWEISSEN & SCHNEIDEN 2023
Cavitar will attend the SCHWEISSEN & SCHNEIDEN 2023 trade fair with its expert partners: SERVISOUD (France) is an integrator offering welding mechanization solutions, as well as portable systems for weld…
Visit FABTECH 2023 to Witness Cavitar Welding Cameras in Action at Live Welding Demos
We are thrilled to announce that Cavitar is gearing up for FABTECH 2023, the ultimate industrial event, to showcase our Cavitar Welding Cameras. This year held in the vibrant city…
Cavitar Ltd. and InterTest, Inc. Announce Partnership in Weld Viewing Technology
The InterTest, Inc. and Cavitar Ltd. partnership will increase the Cavitar Welding Camera product distribution and customer support for welding quality assurance and inspection groups in North American manufacturing, automotive,…
The Best In Welding 2020 Award from SHY
The Finnish Welding Society, SHY (Suomen Hitsausteknillinen Yhdistys) awards biannually companies in Finland that have made an impact on the welding community. The 2020 awards were meant to be handed…
RAMLAB + WAAM + Cavitar Welding Camera C300
WAAM, shortened from Wire Arc Additive Manufacturing, is also known as Directed Energy Deposition-Arc (DED-arc). It is probably the oldest, outwardly simplest, but least talked about of the range of…
WAAM – Wire Arc Additive Manufacturing Monitoring with Cavitar Welding Camera C300
Author: RAMLAB RAMLAB has a strong focus on material quality and quality assurance. Our WAAM (Wire Arc Additive Manufacturing) processes are continuously being monitored and adjusted live when necessary. In…
Welding Defect – Watch How Slag Inclusion Happens!
This video shows welding defect slag inclusion as it is happening in a CMT (Cold Metal Transfer) process. You can see in the footage how the slag inclusion (circled) floats…
Case: Cavitar Welding Camera Used in Teaching and Training of Future Welders at SAKKY
Back in 2019, when we were still more in the development stage of our Cavitar Welding Cameras, we received a surprising visit from a welding instructor 500 kilometers away from…
Metal 3D Printing + Cavitar Welding Camera C300
This is Wire Laser Additive Manufacturing (WLAM) visualized using our Cavitar Welding Camera C300. The process prints metal in 3D by using laser processing with the CoaxPrinter head from Precitec…
Comparison – The Power of Proper Illumination and Filtering
This video of a TIG welding perfectly shows the effect of proper illumination and filtering. As you can see, the contrast from one to the next is quite drastic. From…
Side by Side Comparison of Different Imaging Techniques
CAVILUX Laser Illumination has been an important tool for welding researchers across the globe for many years. This video of Cold Metal Transfer (CMT) process demonstrates the effect of no…
3D Printing with Laser Metal Deposition
Laser Metal Deposition, or LMD for short, has many benefits: it reduces waste, it is suitable for large components, it allows customization at a high level, and it can be…
Common Welding Methods and the Use of Laser Illumination in Welding Imaging
Author and copyright: Cavitar Ltd 1 Introduction Welding refers to a process in which materials, typically metals or thermoplastics, are joined together using high temperatures to melt the materials to…
Figure 1: Reflections in the melt pool surface ripples
Observing Molten Pool Surface Oscillations During Keyhole Processing in Laser Powder Bed Fusion
Authors: Leonardo Caprio, Ali Gökhan Demir and Barbara Previtali of Politecnico di Milano Description The research team at the Department of Mechanical Engineering of the Politecnico di Milano has studied…
Benefits of Cavitar Welding Cameras
Visual real-time monitoring of welding processes utilizing welding cameras is becoming a more common and prominent process monitoring method. Typically the evaluation of the welding process has been done through…
WeldGalaxy logo
Cavitar Chosen for the WeldGalaxy Mentoring Program
Cavitar is one of the 10 companies chosen for this first ever WeldGalaxy mentoring program, led by The Welding Institute (TWI). All of the selected companies are “arc welding champions”…
Laser Ablation
Accurate imaging of laser ablation, where a high energy laser with very small spot size and short pulse duration is shot onto a material surface in order to change the surface properties, requires high frame rates due to the extremely fast nature of the process itself.
Start of an Additive Manufacturing with CMT Process
Beginning of a CMT process. High-speed camera, CAVILUX laser illumination and Schlieren imaging reveal the spatter created by the process and allows tracing of it.
Additive Manufacturing with CMT Process + Schlieren Imaging Technique
Video of CMT (Cold Metal Transfer) process for additive manufacturing using a flux-metal-cored tool steel wire.
Visualization of Gas Flow in a Multilayer CMT process
Visualization of gas flow in a multilayer CMT process. See the details of the core process and obtain high quality images without motion blur.
Reveal the Spatter in Additive Manufacturing with CMT Process
See the spatter produced by a CMT process
3 kW Laser Welding with Filler Wire
3 kW laser welding process with filler wire where the laser melts the added material and together they form a solid weld bead.
Gas Flow of a Blowtorch with Schlieren Imaging
See the otherwise invisible gas flow of a blowtorch with Schlieren imaging and CAVILUX.
Flux Coated Electrode Hand Welding
Slow motion of a flux coated electrode hand welding process visualized with CAVILUX laser illumination.
Underwater Shockwave – Illumination Comparison
Comparison of three different illuminations to image an underwater shockwave.
Selective Laser Melting (SLM) – for 3D Metal Printing Process
Laser additive manufacturing - See clearly the powder bed in 3D metal printing process. CAVILUX HF laser illumination completely eliminates the bright plasma light of the process.
Meet Cavitar and our distributors at fairs in 2019
Welcome to meet Cavitar and our distributors at fairs and workshops around the world. This list will be updated as participation to new events are announced.
MIT summer short course on high-speed imaging
Cavitar will take part in and give a presentation on laser illumination at MIT Edgerton Center's short course on high-speed imaging. The 4-day course will have an extensive coverage of high-speed imaging for motion analysis as well as various systems and techniques.
Schlieren Imaging of Welding GMAW with Front Illumination
Application: Schlieren imaging of arc welding Interest: Gas flow of protection gas, melt pool behavior, drop forming, spatter
Additive Manufacturing with Laser and Powder-Bed
Video of additive manufacturing for metals visualized with CAVILUX laser illumination technology.
Industries we serve
We offer laser lighting and monitoring solutions for several applications in various industries.
Science and R&D
CAVILUX laser illumination is a high-performance tool for various applications in scientific and industrial research and development.
Process Industry
Fiber coupled laser illumination solutions for real-time image analysis to improve process control and to measure what happens inside the tanks, reactors or pipes.
Paper Industry
Accurate, intense and powerful laser illumination for paper and pulp industry. Obtain important information from many different stages of the process: of fibers, flocks and consistency of the medium, pulp distripution on a web, surface topography, homogeneity of the paper web as well as the line condition.
Welding Industry
Laser illumination for clear visualization of welding process without process emitting brightness for industrial monitoring, process control and quality improvement.
Foundry Industry
See through heat. Foundry processes and metal manufacturing in general can benefit from laser illumination in various process stages. E.g. precise online-monitoring of slab surfaces in continuous casting process, monitoring of the condition of protective layers of furnaces and ladles.
Thank you to our distributors
Along with welcoming the VISION 2018 fair, that took place in Stuttgart beginning of November, we welcomed our distributors to get an update on our current developments as well as on our latest applications and products.
cof
Thank you for visiting us @ VISION 2018!
A week has passed since VISION 2018 and breaths have been caught. For us the fair always presents an exceptional platform to meet new prospective customers and partners, this year being no exception. Thank you for the excellent and high quality conversations.
Comparison video: Halogen light vs. CAVILUX laser illumination
Visualization of a discharge of an electrical switch (16 A, B curve) at 2000 frames per second. Electrical switches are key safety components in many systems. High-speed imaging is used to study their operation. Choosing the right lighting matters.
Visit our ART GALLERY @ VISION 2018
Welcome to The Invisible World ART GALLERY! Open at VISION 2018. Come and see modern masterpieces of Welding, Schlieren and Shockwave. Breathtaking imagery of various demanding applications created with laser illumination solutions of highest performance.
Effective and Versatile High-Power Laser Illumination
Diode laser illumination enables critical measurements in various industrial and scientific applications. It is an ideal light source for high-speed cameras and machine vision cameras alike. It enables the visualization of applications that may not be achieved with more conventional light sources like LED or halogene lamps. Read about the benefits of this high-power laser illumination.
Guide to High-Quality Welding Imaging
The imaging of welding is often challenging since the camera can easily be blinded by the large amount of light emitted by the welding process. Cavitar presents guidelines for achieving high-quality images of welding.
The COMBILASER project has come to a successful end
The COMBILASER project has ended. Cavitar’s main role in the project was to generate high-quality image data from various laser processes for real-time monitoring purposes.
Submillimeter ice crystal formation at 6 km altitude
Image of submillimeter ice crystal formation at 6 km altitude. Image taken with special measurement system installed at the wing of an airplane
Popcorn Day January 19th
Popcorn is heated on a hot plate. The shades in the background is the heat that warms the popcorn. The heat is made visible with Schlieren imaging technology. With front illumination one can also see the moment the corn pops.
Flux Coated Electrode Hand Welding – CAVILUX Laser Illumination
Visualization of flux coated electrode hand welding with Cavitar's CAVILUX illumination laser - front illumination. Video taken at 7.000 frames per second by Leibniz Universität Hannover.
COMBILASER project ends
The COMBILASER project is coming to its end, and the final steering committee will be hosted by IK4 LORTEK in Spain December 4-5 2017.
Uni Glasgow studies focused ultrasound via high-speed shadowgraphy imaging
CavLab at the University of Glasgow is using CAVILUX Smart to study focused ultrasound via high-speed shadowgraphy imaging with up to 10 Million frames per second.
Spatter Behavior in Laser Beam Welding Process
Spatter is an unwanted phenomena during welding process that often occurs during welding in high speeds. Ilmenau University of Technology wants to understand the formation of spatter and especially how to reduce it to get higher output.
An analysis of the acoustic cavitation noise spectrum: The role of periodic shock waves
Glasgow university is studying periodic shockwaves in cavitation.
Cavitar is part of the EU-project HORIZON2020 COMBILASER consortium
The COMBILASER project where Cavitar is a project partner has published a video giving an insight about the activities.
Cavitar certified to the new ISO 9001:2015 standard
Cavitar's new certification for ISO 9001:2015 covers sales, design and production of our illumination and monitoring solutions.
Great experience from short course on high-speed imaging at MIT Edgerton Center
Cavitar was happy to took part to the MIT 2017 short course on high-speed imaging and motion analysis and to share its knowledge on laser illumination.
High-Speed Visualization of Electromagnetic Pulse Welding
Darmstadt University of Technology is studying electromagnetic pulse welding which is a method of impact welding. The process enables metallurgical bonds between dissimilar metals.
Meet our distributors at fairs in 2017
Many of Cavitar's distributors will present at various fairs during this year and welcome you at their booths.
Research and Development of Modern Variants of Classical Arc Welding Technologies with High-Speed Videography with Laser Illumination
LABSOLDA in Brazil has studied modern variants of classical TIG and MIG/MAG welding with high-speed imaging utilizing CAVILUX HF Laser illumination.
Deconvolution of Acoustically Detected Bubble Collapse Shockwave
University of Glasgow is studying very fast phenomena of shockwave from bubble collapse in ultra-high-speed using CAVILUX Smart laser illumination.
Welcome to Visit Us @ VISION 2016!
Welcome to visit us in hall 1 at our booth J52! We look forward to meeting you at VISION!
