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Fiber Laser Cutting Machine

Fiber laser cutting machine is a mechanical CNC laser cutting machine. It uses a fiber laser source to output a high-energy-density laser beam to instantly melt and vaporize the ultra-fine focus area on the workpiece, and move it through the CNC mechanical system for point irradiation. , So as to achieve cutting.

Fiber laser cutting machines are widely used to cut metal materials, such as steel, carbon steel, stainless steel, copper, aluminum, iron and various alloys, whether it is sheet, tube or pipe. It is divided into several types according to function and appearance. For example, fiber laser machines for cutting plates, tubes, and fiber laser machines with exchange platforms, protective covers, high precision, etc.

  1. High cutting accuracy: the positioning accuracy of the metal laser cutting machine can reach 0.05mm, and the repeated positioning accuracy can reach 0.03mm.
  2. Slit: The width of the slit is generally 0.10-0.20mm.
  3. Smooth cutting surface: There is no burr on the cutting surface, and the roughness of the cutting surface is generally controlled within Ra6.5.
  4. Fast cutting speed: The cutting speed can reach 10m/min, and the maximum positioning speed can reach 30m/min.
  5. Good cutting quality: non-contact cutting is adopted, the knife edge is less affected by heat, and the workpiece is basically free of thermal deformation to ensure that the workpiece is not scratched. Generally, the slitting does not require secondary processing.
  6. Good flexibility in laser processing: The fiber laser cutting machine can process any graphics, and can cut pipes and other profiles without being affected by the shape of the workpiece.

There are 3 famous fiber laser cutting machine control systems brand for choice, they are Bochu, Au3Tech (Au3Tech), Weihong, here we will introduce for them for more detail about control system brand:

  1. Bochu: Standard

Bochu system breakdown: CypCut laser cutting software, CypTube pipe cutting software, CypDraw cutting nesting software

Manual model fiber laser cutting machine focus selects Baichu SC1000, auto focus selects Baichu SC2000, and involves cutting pipes selects Baichu 3000

  1. Au3Tech (Au3Tech)

SCtube is a laser intelligent tube cutting system for metal tube processing by Osendico Company, which relies on years of deep cultivation in the field of laser cutting and a deep understanding of tube processing technology. The machine product uses a brand-new motion control card and height controller, which greatly improves the fiber laser cutting machine hardware performance, and is compatible with mainstream user scenarios on the market, with strong adaptability and high integration, allowing fiber laser cutter users to choose flexibly and saving purchase costs.

The MCC3721H motion control card and the matching SC2000 cutting software is a machine tool numerical control system specially developed for the application of platform-type optical fiber cutter. This control card can not only realize the X-Y axis graphic interpolation, but also integrate the Z-axis capacitance height adjustment control function. It is an ideal system solution for fiber laser cutting machine tools.

The SC series laser flat cutting CNC system is a machine tool CNC system specially developed for the application of platform-type fiber cutting. The system integrates functions such as motion control, path planning, graphic design, typesetting, process adjustment, and system component monitoring. It is an ideal control and dispatch center for fiber cutting machine tools.

  1. Weihong

Weihong laser cutting system is widely used in the fiber laser cutting industry, supporting the laser cutting equipment such as flat advertising machine, flat sheet metal cutting machine, plate tube-body cutter machine, professional laser tube cutting machine and so on. From the motion control system to the servo drive to the laser cutting head, Weihong provides overall solutions for the industry, integrating motion control and cutting technology to create more value for customers.

The NcEditor V12 laser cutting system is a high-performance fiber laser cutting system independently developed by Shanghai Weihong Electronic Technology Co., Ltd. It is professionally used in the field of metal forming and processing such as flat sheets and various pipes; this fiber laser cutter part is widely used in sheet metal, advertising production, Household (kitchenware, bathroom, lighting), display cabinets and office furniture, hardware tools, engineering machinery, shipbuilding and aerospace, auto parts, 3C electronics and other industries; Weihong laser cutting system has excellent motion control algorithms and professional cutting technology Processing function, stable and reliable motion control platform, to provide customers with a complete set of laser processing solutions.

Yes, its Auxiliary air used in fiber laser cutter machine.

The auxiliary gas can be reactive or non-reactive. If the gas is reactive, it can change the properties of the metal it cuts in the incision. At the edge of the part, it will react with the metal components during the cutting process, and cause the metal to oxidize, causing the metal to rust in a short time.

When edge quality is not important, a reactive gas can be used. For example, when the low carbon steel material continues to another step of the process within 24 hours. Non-reactive auxiliary gas can be used for cutting workpieces where edge quality is important. (For example: if the next process is laser welding)

We will focus on 4 auxiliary gases: compressed air, nitrogen, oxygen and argon.

Compressed air

Compressed air is the simplest auxiliary gas option and can be connected to existing workshop air installations. Most shop compressors operate between 75-175 psi, so depending on the application, a booster may be required. For example, for a laser cutting machine, 1.5 mm/0.060 inch/16 ga mild steel may cut best in the range of 150-200 psi. Before entering the cutting head, the air needs to be cleaned to remove oil or moisture and prevent contamination of the optical components, so a filter is needed to ensure clean air for fiber laser cutter.

As an auxiliary gas for laser cutter, compressed air widely used in metal laser cutter. It is a mixture of other gases (including nitrogen and oxygen). Due to its oxygen content, compressed air is considered a reactive cutting gas for metal processing. However, its reactivity is not as good as oxygen assist gas. Compressed air can cut aluminum with high quality, and the speed is slightly higher than when cutting nitrogen or oxygen in a thinner material thickness. Depending on the application requirements, compressed air can be used with many other metals.

  1. Nitrogen

In most cases, nitrogen is considered to be the best edge quality for auxiliary gas generation. For most purposes, except for some special materials (such as titanium), nitrogen is considered a non-reactive or inert auxiliary gas in fiber laser cutter use. This means that during the cutting process, nitrogen does not react with any component of the metal. This means that there is no major chemical difference at the fiber cutting edge, and the mechanism of material removal is simply the pressure of the gas jet pushing the molten metal out of the cut. Since this is a relatively cold process, nitrogen-assisted gas cutting can provide very high-quality cutting edges for a variety of materials with very thin heat-affected zones. Nitrogen is most suitable for cutting aluminum, mild steel, galvanized steel, and UHSS automotive steel.

This auxiliary gas is usually used for parts that need to be stored for a period of time before use, because oxygen and air cutting will introduce oxides around the cutting edge during long-term storage.

  1. Oxygen

Oxygen is one of the first auxiliary gases used because it is reactive when fiber laser machine cutting. When processing steel, oxygen will burn off the carbon in the steel during in the cut process. The incision generates additional heat, allowing lower-power lasers to cut thicker materials. Although, this same reactivity will also have some negative effects for laser cutter result. If good edge quality is required, the material is usually limited by speed and air pressure. Compared with nitrogen cutting, the flow rate and pressure of oxygen cutting are often lower. This leads to lower gas consumption and lower operating costs. However, in some cases, the fiber laser cutting speed will be slightly slower.

  1. Argon

Argon is the rarest and most expensive gas encountered by most processors. Materials that are well cut with nitrogen can also use argon with similar high-quality edges. The main reason for using the more expensive argon is to cut metals that are still chemically reactive in pure nitrogen. Most commonly, argon is used to process titanium. At the temperature that the laser cutter raises the metal to, titanium is chemically reactive even in a pure nitrogen atmosphere. This is the main reason for choosing argon instead of nitrogen in the fiber laser cutting. Although argon is inert and the cutting method is similar to nitrogen, there are two differences that may limit wider use. Argon has a higher specific heat than the other auxiliary gases in this list. This means that although nitrogen is said to cool the cutting while cut material, and oxygen is said to add heat to the cutting, argon removes heat from the cutting even faster than nitrogen.

In the fiber laser cutting machines, CO2 laser cutting machine is possible to cut glass better.

When you choose laser cutting, you will use different methods to make cutting choices. Because we are able to cut according to different ways, when we understand some of the most suitable cutting methods for reference. Regardless of whether you are cutting figure statues or cutting various patterns, you should handle them according to the most appropriate standards, and our cutting accuracy will become higher and higher. Let us save trouble and effort in the cutting process. Meet our market needs and help each of us get the most exquisite gifts.

  • Stainless steel:10mm
  • Aluminum:8mm
  • Brass:6mm
  • Carbon steel:20mm

Fiber laser beam can provide metal-friendly wavelength, metal absorption is more effective, smaller spot size (1 micron wavelength) and excellent beam profile make it ideal for cutting most metals. Most notably, compared with the CO 2 hybrid laser machine, when cutting thin metal sheets with a thickness of 3 mm or less, its linear speed is 2-3 times faster.

In terms of operating cost, compared with CO 2, optical fiber only needs about 1/3 of the operating power. In addition, fiber optics provide shorter downtime and less continuous maintenance can increase productivity.

Therefore, in most metal cutting applications, optical fibers have rapidly replaced traditional CO 2 lasers.

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