Laser welding
Laser welding is a highly modern, technologically advanced and automated welding process for joining various metals and/or non-ferrous metals. BLS Lasertechnology GmbH supports customers with its many years of in-depth expertise in this laser technology.
BLS advantages in laser welding
Joining components with this technology offers a wide range of advantages. It can be used for various materials and shapes/geometries. As well as being highly cost-effective, it also consistently delivers the highest quality. The automated guidance of the laser means that there is no alternative to the precision of the process. This even allows the components to be used in the visible area.
What is laser welding?
Success factors in laser welding
Due to the strong focussing of the energy input, laser welding enables particularly deep and precise weld seams. The precision of the laser minimises the stresses in the material and thus prevents distortion in the components. In addition, the technology’s high welding speed and automation of the process allow large quantities to be processed efficiently and quickly.
The laser is guided along the component during welding by CNC-controlled 2D and 3D machines. In addition, welding can be fully automated for large series, including semi-automatic or fully automatic loading and unloading.
Laser welding is therefore an ideal technology for the precise, efficient joining of metallic materials and components. Thanks to its flexibility, the technology is suitable for prototypes, small, medium and large series and is used extensively in many industries.
As laser welding or laser beam welding has a very high level of precision, high levels of accuracy are also required for the clamping concept. BLS can create and produce fast and efficient concepts with its own fixture construction.
Laser welding processes
BLS Lasertechnology GmbH can use all common laser welding processes. In addition, BLS advises on the selection of the right process, taking into account the requirements of the weld seam and the component to be processed. Quality always takes centre stage.
Laser spot welding
Welding with time-interrupted, individual laser pulses; available in various frequencies, energy levels & pulse durations
Laser deposition welding
In this process, a surface application is created on a workpiece by melting and simultaneously applying almost any material
Seam welding
Continuous excitation of the active medium by processing with an uninterrupted laser beam
Deep welding
Particularly deep, even weld seams with the help of high laser power densities and a vapour capillary
Scanner welding
Guidance of the laser beam via movable mirrors to weld processing areas in the series quickly and precisely
Heat conduction welding
Joining of thin-walled parts with low material thickness by melting the materials at the joint using a laser
Laser soldering
Alternative to manual soldering: joining materials using a soldering material
Over 35 years of experience and the trust of
more than 500 customers speak for us.
With extensive laser experience, BLS supports customers as a contract manufacturer from parameter determination / basic development through prototype production to series production. High-performance machinery and different types of lasers and systems enable an optimized overall product. The quality management system and exchanges with leading research institutions ensure quality at the highest level on a permanent basis.
Do you have any questions about what BLS Lasertechnology GmbH has to offer?
BLS laser welding offering
- Support in the design of the component for an optimal laser welding result
- Design and manufacturing of individual, customer-specific fixtures and clamping systems
- Cleaning of the metallic components with an in-house industrial cleaning plant
- Laser welding from prototypes (sample prototype production) to serial production
- (Partial) automation of loading and unloading for welding large batch sizes
- Determination of optimal laser types, parameter determination and application development
- Possibility to tack components manually before the automated welding process
- Heating: thermal with industrial furnace (internal dimensions: 1000 x 1000 x 1000mm), or inductive with generator
- 2D and 3D laser welding precise and accurate according to technical drawing
- Metallographic examination, micrographs with 160x magnification, Zeiss 3D measuring system, hardness testing
Laser welding expertise
The high power and precision of a laser enables effective laser welding of a wide range of materials and geometries. Laser welding of stainless steel and structural steel is very common. Aluminium welding and copper welding, as well as laser welding of titanium or nickel are further possibilities.
- Metal: steel, stainless steel, mild steel
- Light metal: aluminum, titanium
- Non-ferrous metal: copper, nickel
- Castings and casting materials
- Special alloys, materials and plastics (e.g. black/white combinations, high-carbon steels) on request
- Laser welding with filler material (filler wire / welding rod, powder)
- Laser welding with shielding gas (nitrogen, oxygen, helium, argon and gas mixtures)
- Co2 or solid-state laser (YAG)
- Variable energy: <1KW to 12KW
- Pulsed or constant
- All 2D & 3D geometries
- Sheet metal, thin sheet metal and other surfaces
- Lines and pipes
- Spatial geometries
- Large areas such as the welding of tailored blanks (sheet metal blanks)
- Weld length (butt joint) up to 2.5M (single sheet width up to 1.3M x 2M)
- Special sizes upon request
Butt welds & weld seams
BLS Lasertechnology GmbH masters all welding joints and weld seams. In addition, BLS helps to select the right type of welding for a component, depending on the material and area of application.
All joint types can be realised after testing, e.g:
- Laser welding with lap joint
- Laser welding with butt joint
- Laser welding with corner joint
All seams can be converted after testing, e.g:
- Laser welding with fillet weld
- Laser welding with I-seam
- Laser welding with spot seam
