Laser cutting is an incredibly precise manufacturing process, but one downside can be the burrs or rough edges that form on the cut edges. In this post, we’ll explain what burrs are, whether laser cutting leaves burrs, and tips for removing them.
Burrs refers to the rough ridges or small pieces of deformed projections that can form on the cut edges of materials like metal after being machined or cut by industrial processes. They form due to heat and forces deforming the edge of the material when cut. Burrs can be an undesirable issue in manufacturing, so processes aim to minimize their occurrence.
For the most part, laser cutting is a burr-free process. The laser beam vaporizes a tiny width of material as it cuts, which helps avoid deformation on the cut edge that leads to burrs. However, some potential for burrs exists depend on factors like material type, thickness, laser settings, and gases used. For example, metals like aluminum and copper are more prone to burrs versus steels. Thicker materials also increase burr risk. Still in general, laser cutting dramatically reduces burrs versus alternatives like machining.
In summary, while no cutting process completely eliminates the risk of burrs, laser cutting is considered a burr-free or low burr process. Its precise vaporization cutting action leaves smooth, clean-cut edges on most materials. Burrs may occasionally form depending on material and settings, but remain easily managed compared to other fabrication methods. For helpful visual explanation, check out this YouTube video on burrs in laser cutting
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In summary, while no cutting process completely eliminates the risk of burrs, laser cutting is considered a burr-free or low burr process. Its precise vaporization cutting action leaves smooth, clean-cut edges on most materials. Burrs may occasionally form depending on material and settings, but remain easily managed compared to other fabrication methods. For helpful visual explanation, check out this YouTube video on burrs in laser cutting