Differences Between CO₂, UV, and Fiber Laser Machines

 




Core Differences at a Glance

 

- CO₂ Laser Machine: Long-wave thermal processing, mainly for non-metal cutting and engraving, cost-effective.

- Fiber Laser Machine: Medium-wave for metals, leading in metal processing efficiency and stability.

- UV Laser Machine: Short-wave cold processing, ultra-fine with minimal thermal effect, ideal for precision materials.

 

Key Parameters & Applications

 

Dimension CO₂ Laser Fiber Laser UV Laser 

Wavelength 10.6 μm (mid-infrared) 1064 nm (near-infrared) 355 nm (ultraviolet) 

Processing Mechanism Thermal effect: melting / vaporization Thermal effect: evaporation / oxidation Cold processing: breaking molecular bonds 

Core Advantages Wide compatibility with non-metals, low cost High absorption rate for metals, fast speed, maintenance-free Ultra-fine, no deformation, no carbonization 

Suitable Materials Wood, leather, acrylic, fabric, some plastics Stainless steel, aluminum, copper and other metals; some engineering plastics Glass, ceramics, PCB, films, medical materials 

Typical Uses Advertising signs, woodworking, garment accessories, packaging cutting Metal nameplates, auto parts, hardware marking, thin sheet cutting Chip coding, glass engraving, precision electronics, pharmaceutical packaging 

Cost & Maintenance Medium equipment cost; requires gas and lens replacement Medium-high equipment cost; long service life, maintenance-free Highest equipment cost; regular optical maintenance required 

 

Quick Selection Guide

 

- For large-scale non-metal processing (e.g. wooden signs, acrylic letters) → Choose CO₂

- For metal part marking / cutting (e.g. nameplates, thin stainless steel sheets) → Choose Fiber

- For ultra-fine / heat-sensitive / brittle materials (e.g. glass engraving, PCB drilling, chip coding) → Choose UV

 

Additional Notes

 

- Energy consumption & lifespan: Fiber has the highest efficiency and longest lifespan (approx. 100,000 hours); CO₂ approx. 10,000 hours; UV approx. 50,000 hours.

- Optical path & consumables: CO₂ requires special infrared optical lenses; Fiber / UV adopt all-fiber structure for better stability.

- Thermal influence: CO₂ / Fiber have relatively large heat-affected zones; UV causes almost no thermal deformation, suitable for precision components.

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