Laser welding in metal and plastic
Covi Precision offers laser welding of both plastic and metal. Laser welding technology enables technically superior solutions with high precision and minimal thermal material impact.
Covi Precision's laser welding expertise provides versatility and enables welding of complex geometries and gentle handling of thermally sensitive components, improving both durability and aesthetics.
We have equipment for welding different materials, component sizes and geometries, giving you the opportunity for an optimal laser welding solution.
Laser welding in metal
Covi Precision's years of experience, knowledge and updated laser technology enable a number of unique advantages compared to more traditional and conventional welding methods. With a beam diameter as small as 50 µm, we can weld in hard-to-reach places and on complex geometries, including surfaces, curves and pipes.
Laser welding is possible in many metallic materials, often without the need for post-processing. We have laser welding equipment with different clamping options and power, and can therefore laser weld a wide range of precision mechanical parts and pipes without the use of contaminating filler materials and with high precision and repeatability.
Advantages of laser welding in metal?
Technical benefits
Laser welding offers high precision and repeatability, ensuring consistent weld quality. The minimal heat impact around the weld zone preserves material properties, which is crucial for the overall functionality and aesthetics of the finished product. Furthermore, no filler wire is used, eliminating the risk of contamination from foreign materials.
Complex geometry
COVI's advanced technology enables welding of complex geometries. Using rotational welding and Galvo head (control via mirror reflex technology), we can handle even the most complex challenges. This opens up innovative solutions and applications that were previously difficult to realize.
Flexibility in materials
We can weld a wide range of metals, including low melting point materials such as aluminum and sintered metals with high microstructural porosity. Laser welding allows us to work with different metals and combine them efficiently in one process.
Hard-to-reach areas
Our technology makes it possible to weld in hard-to-reach areas up to 200 mm, which is ideal for applications such as inside pipes or in other confined spaces. This ability to reach challenging welding positions creates new possibilities for design and functionality.
Automation and efficiency
COVI offers both manual and fully automated laser welding, ensuring flexibility and efficiency in the production process. Automation enables unmanned operation and reduces the cost of larger production while maintaining quality.
Laser welding in plastics
Laser welding opens up a range of new possibilities and benefits when fusing plastic materials.
Covi Precision offers laser welding of various plastic materials as a technically superior alternative to ultrasonic welding, hot-iron welding, bonding etc. Our experience, knowledge and advanced technology in laser welding opens up a range of possibilities and advantages that provide our customers and products with a quality-assured and optimal fusion solution.
Advantages of laser welding in plastics
Most thermoplastics can be made weldable
Most thermoplastics, including TPUs, can be made weldable. By adding the right adjectives, both transparent and colored plastics, as well as various joined materials, can be welded. This enables the speed, precision and safety of laser technology to be utilized.
Gentle welding
Our laser welding is carried out without the addition of foreign materials and without mechanical impact on the workpieces. The minimal heat impact during welding protects the polymer structure, appearance and strength of the welded part. This makes it possible to weld close to thermally sensitive components without creating vibration nuisance or marks often seen in ultrasonic welding.
Welding in complex geometries
Using Galvo technology, which controls the laser beam via mirror reflection, COVI can weld complex geometries with high precision and speed. We use the most common welding methods, including:
- Contour welding - single weld seam
- Simultaneous welding - The entire seam is welded simultaneously
- Quasi-simultaneous welding - Weld seam is kept fluid by continuous flow
- Masked welding - shielding where welding is not desired
- Radial welding - Welding on round workpieces
Good properties
Plastic laser welding is ideal for hygienic encapsulation of electronic components, especially when working with complex geometries. This method ensures both a clean and efficient weld that meets high quality and safety requirements.