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Laser Cutting machine is what you know?

Laser Cutting machine is what you know?

laser cutting machine laser cutting machine

What Is Laser Cutting Technology?

Laser cutting uses a high-powered beam to cut material based on computer-controlled parameters. As the laser guides its beam along the material, everything in its direct path is vaporized, burned or melted. One of the benefits of laser cutting technology is the cut product rarely needs any finishing work as this process ensures a high-quality surface finish.

Laser cutting technology comes in two formats: gantry and galvanometer systems. Gantry systems position the laser perpendicular to the material and the machine physically directs the beam over its surface. Since gantry is the slower of the two systems, manufacturers commonly use it for producing prototypes. In contrast, galvanometer systems use mirrored angles to reposition the laser beam and can cut as fast as 100 feet per minute. Fabricators commonly use galvanometer systems for full-on production work.
Basic Mechanics of Laser Cutting Technology

The laser machine uses stimulation and amplification techniques to convert electrical energy into a high-density beam of light. Stimulation occurs as the electrons are excited by an external source, usually a flash lamp or electrical arc. The amplification occurs within the optical resonator in a cavity that is set between two mirrors. One mirror is reflective while the other mirror is partially transmissive, allowing the beam's energy to return back into the lasing medium where it stimulates more emissions. If a photon is not aligned with the resonator, the mirrors do not redirect it. This ensures that only the properly oriented photons are amplified, thus creating a coherent beam.
Properties of Laser Light

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Laser light technology has a number of unique and quantified properties. Its optical properties include coherence, monochromaticity, diffraction and radiance. Coherence refers to the relationship between magnetic and electronic components of the electromagnetic wave. The laser is considered "coherent" when the magnetic and electronic components are aligned. Monochromaticity is determined by measuring the width of the spectral line. The higher the level of monochromaticity, the lower the range of frequencies the laser can emit. Diffraction is the process by which the light bends around sharp-edged surfaces. Laser beams are minimally diffracted, meaning they lose very little of their intensity over a distance. Laser beam radiance is the amount of power per unit area emitted at a given solid angle. Radiance cannot be increased by optical manipulation because it is influenced by the design of the laser cavity.

laser cutting machine laser cutting machine

Is Special Training Needed for Laser Cutting Technology?

One of the benefits of laser cutting technology is the auspicious learning curve for working the equipment. A computerized touch screen interface manages most of the process, which reduces some of the operators’ work.

What is Involved in the Laser Cutting Setup?

The setup process is relatively simple and efficient.Newer high-end equipment is able to automatically correct any imported drawing exchange format (DXF) or .dwg (“drawing”) files to achieve desired results. Newer laser cutting systems can even simulate a job, giving operators an idea of how long the process will take while storing configurations, which can be recalled at a later time for even quicker changeover times.

What is Involved in the Laser Cutting Setup?

The setup process is relatively simple and efficient.Newer high-end equipment is able to automatically correct any imported drawing exchange format (DXF) or .dwg (“drawing”) files to achieve desired results. Newer laser cutting systems can even simulate a job, giving operators an idea of how long the process will take while storing configurations, which can be recalled at a later time for even quicker changeover times.

 

What is The laser cutting process?

Laser cutting is a precise method of cutting a design from a given material using a CAD file to guide it. There are three main types of lasers used in the industry: CO2 lasers Nd and Nd-YAG. We use CO 2 machines. This involves firing a laser which cuts by melting, burning or vaporizing your material. You can achieve a really fine level of cutting detail on with a wide variety of materials. Bare in mind that CO 2 lasers can’t cut metals and hard materials, they can however engrave them.

Laser head and tolerance

The beam is emitted from what’s called the ‘laser tube’ and is reflected by several mirrors up into the ‘laser head’ (like a periscope.) Within the head is a lens that finely focuses the beam onto the material surface for cutting or engraving.

The kerf refers to how much of the material the laser takes away when cutting through. (the width of the groove made while cutting.) This varies from material to material and is also dependent on the laser beam tolerance i.e. the width of the beam. All our machines have a very fine tolerance.
Laser head_cutlasercut.png, Laser cutting process, laser head diagram

laser cutting machine laser cutting machine

Step 1. Preparing your artwork

You send us your artwork and we check to see if it is fine for the laser cutter and the material you would like to cut. The machine reads vector strokes of hairline thickness in red or as thin as you make them.
Laser cutting process_cut laser cut_REBECCA LUCRAFT.jpg, Laser cutting process cutlasercut

Step 2. We'll configure the laser cutters settings

We lay your chosen material in our machine bed and configure the machine to cut your artwork. We adjust the Power, Speed and Frequency to suit your specific material. We have 3 laser cutters in our studio. The maximum sheet size we can cut is an enormous 2400mmx 1200mm.
laser cutting process.jpg, Laser cutting process

Step 3. We process your job

The machine will then follow the path of your drawing strokes to cut out the components you have drawn.

Depending on the material, we usually use a protective backing during the laser cutting process that can be peeled away after the cutting is complete. This protects the surface from heat and burn marks.

 

 

 


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