What Are Metal Laser Cutters Used For?
Laser metal cutting machines are widely used in industrial manufacturing of metal fabrication, school education, small businesses, home business, small shop and home shop for sheet metal fabrication, aviation, spaceflight, electronics, electrical appliances, kitchenware, auto parts, subway parts, automobile, machinery, precision components, ships, metallurgical equipment, elevator, household appliances, metal signs, metal logos, metal tags, metal profiles, metal letters, metal words, metal arts, metal crafts, metal gifts, metal tool fabrication, metal foils, adornment, advertising and other metalworking industries.
Most organic and inorganic materials can be cut by laser. In the metal fabrication industry, which occupies a heavy weight in industrial manufacturing, many metal materials, regardless of their hardness, can be cut without deformation (using the most advanced laser metal cutter to cut the thickness of industrial steel is close to 20mm). Of course, for high-reflectivity materials such as gold, silver, copper and aluminum alloys, they are also good heat transfer conductors, so laser cutting is difficult or even impossible to cut (some difficult materials can be cut using pulsed laser beams, due to the extremely high peak power of the pulse wave, the absorption coefficient of the material to the beam will increase sharply instantly).
Metal laser cutters are available for stainless steel, carbon steel, tool steel, galvanized steel, spring steel, alloy, iron, aluminum, copper, brass, silver, gold, titanium, nickel, manganese, cobalt, chromium, lead and other metals. The following metals can be cut with metal laser cutters: Stainless Steel: For the manufacturing industry dominated by stainless steel sheets, the laser metal cutter is an effective cutting method. When the laser cutting heat input is strictly controlled, the width of the heat affected zone of the trimming edge can be limited, thereby ensuring good stainless steel The corrosion-resistant type. Laser cut of stainless steel uses the energy released when the laser beam is irradiated to the surface of the steel plate to melt and evaporate the stainless steel. For the manufacturing industry that uses stainless steel sheets as the main component, laser cut of stainless steel is a fast and effective cutting method.
The important process parameters that affect the cutting quality of stainless steel are cutting speed, laser power, air pressure and so on. Carbon Steel: The thickness of the laser cut of carbon steel plate can reach 70mm, the slit of carbon steel cut by oxidation flux cutting mechanism can be controlled within a satisfactory width range, and the slit of thin plate can be narrowed to about 0.1mm. Copper & Alloys: Pure copper (purple copper) is too high reflectivity, laser cut of brass (copper alloy) should use higher laser power, auxiliary gas using air or oxygen, can cut thinner plates. Pure copper and Brass has high reflectivity and very good thermal conductivity. Pure copper and brass can only be cut when a "reflective absorption" device is installed on the system, otherwise the reflection will destroy the optical components. Aluminum & alloys: Although laser metal cutters can be widely used in the processing of various metallic and non-metallic materials, some materials, such as copper, aluminum and their alloys, cause lasers due to some of their own characteristics (high reflectivity) cutting is not easy to process. At present, the laser cut of aluminum plates is widely used by fiber lasers. This equipment has high performance whether it is cutting aluminum or other materials. Nickel & Alloys: They are also known as high-temperature alloys, there are many varieties, most of which can be laser oxidized and flux-cutting with good cuts. Titanium & Alloys: Pure titanium can be well coupled with the heat energy converted by the focused laser beam.
When the auxiliary gas uses oxygen, the chemical reaction is violent and the cutting speed is fast, but it is easy to form an oxide layer at the cutting edge, which may also cause over-burning.
Therefore, the use of air as an auxiliary gas can ensure the cutting quality. Laser cut of titanium alloys commonly used in aircraft manufacturing is better.
Titanium plates are cut with nitrogen and nitrogen as processing gases.
The cutting thickness of different laser powers is different, higher power laser metal cutting machine can cut thicker metals. At present,XTLASER's 15000W laser metal cutting machine has been mass-produced, and the thickness of different metals that can be cut: the carbon steel cutting thickness up to 70mm; the stainless steel cutting thickness up to 100mm; the brass cutting thickness up to 70mm; the aluminum cutting thickness up to 80mm.