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Comparison of CO2, YAG And Fiber Laser Cutting Machines

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Comparison of CO2, YAG and fiber laser cutting machines

In laser cutting machines, CO₂, YAG, and fiber lasers are three major laser sources, each differing in performance, cost, and applicable

materials.  Here's a detailed comparison of these three laser cutters:

Feature

COLaser

YAG Laser

Fiber Laser

Wavelength (µm)

10.6

1.06

1.06

Power Range (W)

Tens to tens of kilowatts

Hundreds to thousands of watts

Hundreds to tens of kilowatts

Efficiency

Moderate

Low

High

Beam Quality

Moderate

Good

Excellent

Maintenance Cost

Moderate, requires gas changes

High, complex maintenance

Low, long lifespan, easy maintenance

Initial Cost

Low

Moderate

High

Size

Large

Moderate

Small

Primary Applicable Materials

Non-metals (wood, acrylic, leather, etc.), some thin metals

Metals and non-metals

Metals (stainless steel, carbon steel, aluminum alloys, etc.), some non-metals

Cutting Speed

Moderate

Moderate

Fast

Summary:

CO₂ Laser: Lower cost, suitable for cutting non-metallic materials such as wood and acrylic, and some thin metal materials. However, it has relatively low efficiency, more complex maintenance, and poor cutting performance on high-reflectivity metal materials.

YAG Laser: Performance falls between CO₂ and fiber lasers. It can cut both metals and non-metals, but its efficiency and beam quality are inferior to fiber lasers, and its maintenance cost is relatively high.

Fiber Laser: High efficiency, good beam quality, fast cutting speed, excellent cut quality, small heat-affected zone, and easy maintenance. It is particularly suitable for cutting metal materials, especially showing significant advantages for materials like stainless steel. However, the initial cost is higher.

The choice of laser depends on specific application requirements and budget.  If primarily processing non-metallic materials, a CO₂ laser is a good option; if high-efficiency, high-quality cutting of metal materials is needed, especially with high precision requirements, a fiber laser is the best choice; a YAG laser can be considered when both metal and non-metal material processing are required.  A trade-off between cost, performance, and maintenance needs to be considered to make the final decision.

 


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