Découpe au laser: Principes et caractéristiques
Understanding Laser Cutting: Principes et caractéristiques
Principle: Laser cutting harnesses a focused high-power density laser beam to irradiate the workpiece, prompting rapid material melting, vaporization, ablation, or reaching the ignition point. Simultaneously, a high-speed airflow, coaxial with the beam, blows away the molten material, facilitating precise cutting. Carbon dioxide pulse lasers and fiber laser cutting machines are commonly employed for this purpose, constituting a thermal cutting method.
Features:
- Material Thickness: Laser cutting is typically suited for carbon steel plates under 20mm thick and stainless steel plates under 30mm thick.
- Deformation: Laser cutting results in minimal deformation, although cutting speed decreases notably with increasing workpiece thickness.
- Cutting Precision: Laser cutting yields narrow incisions with parallel and perpendicular slit edges, achieving dimensional accuracy up to ±0.2mm. In comparison to plasma cutting, laser cutting offers greater precision with smaller slits, approximately 0.5mm wide.
- Texture Alteration: As a thermal cutting method, laser cutting alters the texture around the cutting area.
- Production Efficiency: Laser cutting boasts fast speeds, enabling mass production.
By understanding these principles and characteristics, one can appreciate the precision, efficiency, and versatility of laser cutting in various manufacturing applications.
Teda Ganghua Métal -17 années
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