Due to its most application than traditional welding, laser welding is most widely used in the industry. In the entertainment electronic market, medical equipment technology and the PV (photovoltaic) industry, the laser welding machines are in high demand.
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A laser welding machine is welding equipment that uses a fibre laser to connect sections of metal or thermoplastics. The laser beam fibre supplies a focused heating system used for the spot weld, edge of the cord, joint of the lap, seam, kissing welding button, deep welding, high levels narrower solders. In automation applications such as the automotive industry, the process is also used in high volumes. It is based on the socket or the pull model.
Moreover, fibre lasers can be applied for a range of applications from very small pieces to welding of thicker materials in the aerospace and automotive industries, widely used by manufacturers of engineering, medical and electronics industries. Fibre lasers are a multidimensional and affordable way of achieving spot welds of high quality.
Laser Welder and It’s Applications
The laser welding system has a wide variety of applications including fine welding in medical technology, high-precision spot welding, welding in equipment, mould manufacture and full vehicle bodies in auto construction.
Though, the laser soldering machine is used primarily to connect various components to be joined at high laser soldering rates, low thermal loss and thin and narrow welding edges.
In the modern manufacturing process, laser welding is a popular joining method with the opportunity to monitor the online performance, its excellent automation and its high laser soldering rates.
But, without all the benefits of laser, modern and effective methods are always unlikely. Thus, the different performance and thickness of sheet metal are transformed into personalized blanks via the welding resistance spot replaced with laser welding.
Laser Welder and It’s Features
Laser deposit welding
Redeveloped quality repair and upgrade.
Spot and seam welding
Through smaller welding spots to continuous sheets.
No waste of time by moving workpieces or managing heads.
Laser welding of polymers
A balanced approach for maximum energy and ideal surface connections.
Tube and profile welding
Optimized tube and profile laser welding.
Laser Welding and It’s Benefits
Creating Complicated Joints
You can weld various materials and areas that would be too hard to reach using more conventional welding techniques with laser welding technology. Laser technology can handle difficult joints.
One of the key advantages of laser welding is that it provides high precision and power. Laser welder can be used without loss to weld the tiny pieces.
The low heat usage of the laser welding technology minimizes part loss. It is also the chosen laser welding procedure for those who manufacture luxury manufacture, such as custom-made jewellery. Laser beams use very local power such that contact-free application is possible, which ensures that the pieces are mounted with less heat expansion.
Laser technology makes high strength welds possible for producers. Lasers offer excellent welding quality and clean processing, which makes manufacturers preferable, especially in the medical field where medical device and components are specifically safe.
Manufacturers are selecting laser welders as their preferred welding tool number one because it enables reliable and continuous welding. It is a high-speed welding strategy and far more flexible than other traditional techniques. The laser welding devices allow excellent repeatability, making it flexible for companies to reduce unit costs significantly.
Laser Welding Machine – Which Laser to Choose?
Either of the following two types of lasers can be used as a laser welding system –
The choice between one and the other depends on the thickness between the two. Consider the advantages of the two.
Advantages of Pulsed Laser
The pulse-pulls are made of sheet metal, gold-pulse chains ties, titanium pacemakers and razor blades.
Such a laser avoids melting or deformation of the metal.
Appropriate for thin and light metals.
Advantages of Continuous Laser
This is more expensive than the pulsed laser. It also decreases the cost of service.
Most effective in highly resistant metals.
Suitable for dense sections welding.
If you use a metal or component that is too small, you will experience problems. The laser can damage, melt, or deform the portion in such cases.
Welding Machine – Which Configuration to Choose?
For welding machines, there are three types of configurations.
However, your configuration choice will depend on your demand, whether small or huge and your workstation’s setup.
This requires considerable ability and skill and ease of maintenance in comparison with semi-automatic and automatic devices. The operator has to control the sequence of parts for welding. Best suited for production in small levels.
In a semi-automatic laser welding machine, the controller manually loads the pieces in the welding fixture. They are bigger than hand welding machines and have turntables. Ideal for medium and large industries.
These are the biggest laser welders. There is no human interference in these devices and so the user is relieved. The existence of a loading and unloading station reduces time and makes efficiency profits. The devices are robotically placed and handle the part under the laser automatically. Best for large-scale industries. However, it’s costly.
Laser Welding Types
The following can be classified as various laser welding processes –
Four types of welding processes are available.
Central penetration melting welding
Central piercing melting welding
Butt welding requires high-quality butt joint and is normally used for automatic welding or manual welding.
Wire to Wire
There are four different methods of manufacturing, including –
Wire to wire butt welding
Parallel lap welding
Such welding is not usually suited for automatic welding, manual welding or semi-automatic welding.
Metal Wire and Block Component
Laser welding can efficiently attach metal wires with a block element and randomly size the block element. The geometric measurements of the wire components should be taken into consideration in the welding.
Assembly and Sealing of Different Blocks
The joints of parts, such as sensors, include the seal welding and assembly welding.
Repair of Block Objects
Laser welding wire has been melted and placed on the laser surface. Generally suited for mould repair and repair of other items.