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For quality reasons, fusion cutting can also be utilized to cut unalloyed and low-alloyed steels. This creates oxide-free cutting surfaces, but cutting speeds are considerably slower.

With fusion cutting, the material is heated by the laser beam up to the melting point and forced out of the kerf by a high-pressure stream of cutting gas (up to 25 bar). As with sublimation cutting, an inert gas, usually nitrogen, is used to force the molten material out of the cut.

Do you want to increase your production? Messer Cutting Systems’ LaserMat® II is suited for precise CO2 laser processing in an extra-large format. This premium CO2 laser system can process large format areas up to 131 ft. x 14.76 ft. (20 meters x 4.5 meters) and automated in a single operation. Our LaserMat® II can produce perfect simple vertical cuts and bevel cuts as well as various marking options. The LaserMat II requires an enclosure for operator safety.

With flame cutting, also known as oxygen cutting, a material is heated only to its ignition temperature. Oxygen is used as cutting gas so that the material burns and forms a pure stream of oxide that melts through the additional energy from burning. The cutting oxygen then forces the slag out of the cut piece part.

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At the same time, the industrial demand for gold has also been consistently high in recent years, accounting for about 10% to 15% of the total global demand for gold manufacturing. Among them, electronic equipment has become the second largest gold end-user after the jewellery industry. The current mobile phone, chip, and semiconductor industry continue to develop today, as a high-end material of gold, its industrial demand is expanding, and industrial value is also continuing to improve. For example, the key alloy wire made of gold, because of its unique metal chemical stability and very operational efficiency process application advantages, occupies the military device module, LED high-power lighting products, LED TV mobile phone backlight products, optical communication module, infrared receiver transmitter tube and camera module products and another high-end market, in the enterprise to bring huge profits at the same time, but also let the enterprise to high-end.

Gold is a solid at room temperature, dense, soft, shiny and corrosion resistant, and is the best spreading metal, second only to platinum in ductility.

Additionally, the cut edge is relatively straight, providing very high component accuracy from the cutting process. This means that laser cutting is used in the most diverse areas, especially whenever the high accuracy of the component geometry and cut edge are required. The preferred range for steel sheets is up to a material thickness of 20 millimeters. Under certain circumstances, however, this range can extend up to 25 millimeters.

Typical materials used in flame cutting, or oxygen cutting / Oxyfuel, are low-alloy steel, also referred to as mild steel stainless or aluminum, and cast irons.

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Messer Cutting Systems’ Element 400 L Unitized, FiberBlade V, MetalMaster Xcel unitized cutting machine and LaserMat® II are choice laser cutting machines, offering customers high speed and precision accuracy. Ask about material handling solutions as well.

Several types of laser cutting machines are available, with each specific process producing parts with a high degree of precision, accuracy, and high-quality edge finishes. The laser cutting process generally results in less material contamination, physical damage, and waste compared with many other common cutting processes.

To vaporize metal requires more energy than to melt it. Thus, sublimation cutting demands significant laser power and is generally slower compared with other cutting processes. This extra energy, however, delivers cuts of very high quality.

The new Element 400 L unitized cutting machine comes in 6′, 8′, or 10′ widths with 10′ to 40′ in length.  Designed for strength, durability, and precision the machine offers fiber laser bevel cutting with the Bevel-U.  This machine also offers fiber laser/plasma cutting combination cutting.

With laser cutting, a laser beam is focused on the material through a nozzle’s hole, heating and melting the material. A cutting gas that flows coaxially through the nozzle removes the molten material.

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During the sublimation cutting process, the material changes directly from the solid to the gaseous state with as little melting as possible. The cutting gas keeps the particles and vapors away from the optical elements.

Laser cutting is a fabrication process that utilizes a high-powered laser beam on a laser cutting machine to cut the material into various shapes and designs. The laser cutting process is suitable to cut a wide range of materials including metal, plastic, wood, gemstone, glass, and paper. A key benefit of laser cutting is that this process can generate precise and complex parts without any need for custom-designed tooling.

Fiber laser (straight) delivers high accuracy cuts with low heat input. Messer Cutting Systems’ 4,000kW to 20,000kW fiber laser also offers low maintenance and high efficiency. With fiber laser, a laser beam is guided via a fiber cable, with no adjustment necessary between laser source and carriage. Additionally, no purging gas is required. With a wall plug efficiency of as high as 30 percent, the fiber laser is much more efficient than the CO2 laser. The cutting quality in mild steel is comparable up to 15 mm thickness. Stainless steel and aluminum are also possible. Thus, the fiber laser is a flexible and easy tool that also offers high accuracy and low heat input.

In special cases, argon is the inert gas that is used. This is the case, for example, with magnesium, tantalum, titanium, and zircon because these materials form chemical bonds with nitrogen.

Messer Cutting Systems’ fiber laser/plasma combination makes use of a fiber optic cable for beam delivery and can be used in conjunction with the plasma process. By eliminating the need for mirrors, cleaning, alignment and replacement of mirrors are all unnecessary. The fiber laser process is three times more efficient compared with CO2 lasers, eliminating the need for a resonator. With no laser gas required, operational costs are considerably less.

Polyurethane coating (UR coating) A coating of thermoplastic polyurethane elastomer (TPU) material, the durable surface of the UR coating provides excellent abrasion resistance and corrosion resistance. The dielectric properties of the UR coating promote the miniaturisation of signal alignments with close circuit isolation. The UR coating has good moisture and chemical resistance and is very effective in operating environments where exposure to harsh chemicals is daily. However, use in high levels of heat or vibration that can damage the conformal film of the UR coating should be avoided. UR coatings are very effective in preventing electrical short circuits in components with plated tin finishes as they produce a layer thick and robust enough to protect the tin surface of the element while avoiding the threat of short circuits.

Messer Cutting Systems’ machines offer a range of cutting options, with fiber laser (straight) and fiber laser plasma combination having emerged as the favored choices among businesses.

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There are three types of laser cutting that exist. These are sublimation cutting; flame-cutting, also known as oxygen cutting; and fusion cutting.

Au is the elemental symbol for the metal element gold. Gold on the surface means "gold plating", that is, a thin layer of gold on the surface of the object, the inside of the object is other materials, and does not contain gold.

Ir coatingvs infrared

MetalMaster Xcel delivers fast operating sequences, outstanding cutting quality, and peerless accuracy.  Cutting widths for 6’, 8’, and 10’ and lengths from 10’ to 55’ in 5’ increments. The Messer Slagger® self-cleaning table comes standard on the Xcel. Beyond the fiber laser/plasma combination cutting processes, this machine offers additional tools such as material handling, drilling, and markers and so much more.  Enclosure required for operator safety.

Materials that are unsuitable for flame cutting are cut using the fusion cutting process. Materials that are typically used include alloyed steels, also known as stainless steel.

Messer Cutting Systems offers fiber laser (straight cutting) machines,  fiber laser beveling machines including Co2, and fiber laser/plasma combination machines.  Learn More.

Compact 5′ x 10′ straight fiber laser cutting machine including enclosure offers an economical solution to fiber laser cutting.  This machine comes with a pallet shuttle table perfect for material handling solutions.  Learn More.

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With laser cutting, fiber laser (straight), fiber laser beveling, fiber laser / plasma combination, and CO2 lasers are typically used. With greater material thicknesses, however, laser cutting makes sense for only special applications, more usually other cutting processes (oxyfuel or plasma cutting) are used here.

Whether sublimation cutting, flame-cutting, or fusion cutting is used, because of a laser beam’s narrow focus, the width of the cut, or kerf width, is very small compared with other thermal cutting processes. Thus, minimum material is melted, and the laser energy is used very efficiently. The material’s heat input is relatively low so that even small geometries can be cut.

Bevel cutting calls for a precise knowledge of the laser machine and the cutting processes. Corners, lead-ins and run-outs must be cut in a special sequence to achieve the desired quality. Bevel cutting also places significant demands on the cut parts’ programming. Special auxiliary functions are needed to set up the units for laser bevel cutting.

With flame cutting, the material’s ignition temperature must be below the melting point. With high-alloyed steels and nonferrous metals, flame-cutting with oxygen is feasible but, for qualitative and economic reasons, it is not ideal.

IR cut-off filters are generally used between the lens and CIS to filter out IR light to ensure that the light reaching the CIS is visible, thereby reducing colour cast and making the image more consistent with the human visual experience. The substrate material of IR filters can be divided into white glass, blue glass and resin. White glass filters are used for low and medium-pixel cameras, while blue glass absorbs additional infrared light and can eliminate colour cast more effectively, mainly for medium and high-pixel cameras.

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With sublimation cutting, a laser beam brings the material to its vaporization point directly in a process that is called sublimation. An inert, or inactive, cutting gas—such as nitrogen, helium, or argon—forces the molten material out of the cut piece part.