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What type of welding machine laser should I choose?

In this article, we will take some time to explain the best way to choose a laser welding machine from four key perspectives, depending on the type of laser. Please refer to the following items after understanding the applications required by your company and the materials used.


1.Commonly used industries and materials


With numerous types of materials available, it’s crucial to consider your industry and the materials your company deals with when selecting a laser welder. Before making a decision, consider the laser welding machine’s ability to accurately and precisely handle a wide range of materials.


Suitable Materials

Industry

CO2 Laser

Nonferrous metals (aluminum, copper), steel, stainless steel

Automotive industry, aerospace industry,
Heavy industry

YAG Laser

Iron, stainless steel, titanium, alloy

Medical equipment manufacturing, electronic equipment manufacturing,
Precision engineering

Fiber Laser

Almost all metals (steel, stainless steel, aluminum,
titanium, copper, etc.)

Automotive industry, electronic equipment manufacturing,
General industry

Disc Laser

Stainless steel, steel, titanium, non-ferrous metals

Aerospace industry, automotive industry,
Medical device manufacturing

Semiconductor Laser

Light metals, thin sheet metals, plastics

Electronic equipment manufacturing, small parts manufacturing,
Medical equipment manufacturing


2.Characteristics and Suitable Welding Applications

Depending on the welding method employed, the surface may show signs of burning. When selecting a laser welding machine, understanding your company’s performance needs is paramount. If you take time to properly examine the functional characteristics of the laser type to ensure it delivers the desired results, you will have made a good investment.


Functional features

Appropriate use

CO2 laser

High energy efficiency
deep penetration power

Suitable for welding thick materials
Enables uniform welding in large area welding work

YAG laser

Compatible with various metals
Good at fine welding

High precision and fine welding
Suitable for small parts and precision equipment

Fiber laser

Excellent beam quality
high energy density

Beautiful and precise welding possible
Suitable for thin to medium-thick plates

Disc laser

High beam quality and power
Precise and deep penetration power

High quality and uniform welding possible
Suitable for metal processing

Semiconductor laser

Relatively low output
Capable of welding small, lightweight parts

Suitable for fine parts and thin materials
High precision, welding with not too deep penetration possible


3.Ease of use and maintenance

When picking a laser welding machine, it is important to make a choice keeping in mind the ease of access and ability to maintain and handle the equipment at your factory or location. Let us take a look at a few prospective options.


Ease of use

Maintenance

CO2 Laser

Complex compared to others
It may be necessary to adjust the optical system

Cleaning and adjusting optical components
Regular laser gas replacement

YAG Laser

Simple compared to others
Requires precise setup

Regular replacement of lamps
Particular attention should be paid to the lamp life.

Fiber laser

Relatively easy and intuitive operation
Easy automation and integration

Almost maintenance free
Regular inspection of fiber cables and lenses

Disc Laser

Requires more advanced operation than others
High stability once set up

Regular cleaning and adjustment of optical components
Overall maintenance is relatively easy

Semiconductor Laser

Often small and easy to operate
Handheld type also available

Low Maintenance
Parts may need to be checked or replaced


4.Production Efficiency

Production efficiency also varies depending on the type of laser. Choose a welding machine that will give you the maximum efficiency you are looking for, while considering whether it will integrate well with your existing systems.


Advantages in production efficiency

Disadvantages in production efficiency

CO2 Laser

Suitable for mass production
Suitable for non-ferrous metals (aluminum, copper),
steel, stainless steel, etc.

As large equipment is required, it takes time to install and set up.

YAG Laser

Good efficiency for small-scale products
Suitable for iron, stainless steel, titanium, alloys, etc.

Maintenance such as lamp replacement takes time.

Fiber Laser

Suitable for mass production as rapid welding is possible
Compatible with almost all metals (steel, stainless steel, aluminum, titanium, copper, etc.)

May not be suitable for thick materials

Disc Laser

Suitable for complex welding operations,
Efficient once in operation
Suitable for stainless steel, steel, titanium, non-ferrous metals, etc.

Setup requires specialized knowledge

Semiconductor Laser

High efficiency for small-scale products
Suitable for light metals, sheet metals, plastics, etc.

Not very suitable for mass production