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9 Tips You need to Know about Metal Laser Cutter

 

Metal Laser CutterJinan GKE Laser tell you the problems and answers for Metal Laser Cutter in 8 points.

 

Problem 1: How much does a metal laser cutter cost?

Answer 1 for metal laser cutter cost:

Fiber lasers that can cut steel range in price from $30,000 to $600,000, while CO2 lasers with steel cutting capabilities range in price from $10,000 to $200,000.

Problem 2: Which laser is used for metal cutting?

Answer 2 for best metal laser cutter:

Cutting metal may seem difficult, but with a fiber laser, cutting metal has never been easier! If you want to cut metal, a fiber laser is your best choice. Fiber optic and Co2 lasers are commonly used for cutting metal, but like most options, each of these laser systems has its drawbacks and benefits. Fiber lasers can cut a wide range of materials, with some exceptions as many Co2 lasers are unable to process certain grades of brass and copper.

Problem 3: How thick of metal can a laser cutter cut?

Answer 3 for metal laser cutter cutting thickness:

For Fiber Laser:
Generally, when laser cutting metals with fiber lasers, the upper limit on thickness of metal sheet that can be cut is around 20 – 25 mm for mild steels. Above this thickness, higher power CO₂ lasers are used.
For Hybrid CO2 Laser:
Typically, CO2 laser cutters cannot cut metal. One exception to this rule is the hybrid CO2 laser cutter. With the help of a special metal laser head, auxiliary gas (oxygen) and laser power of 130 to 180 watts, they can cut metals up to 2 mm thick. The 300W power co2 laser cutting machine can cut 3mm thick stainless steel and carbon steel.

Problem 4: Can a 20Watt 30 watt or 50Watt laser cut metal?

Answer 4:

Can fiber lasers cut metal? Yes, you can laser cut metal using a fiber laser, however, it must be an extremely powerful fiber laser source with around 1000W of power. You cannot laser cut any metal with a 20W to 50W fiber marking laser. The reason for this is that metals reflect the CO2 laser beam. A CO2 laser can however, cut and engrave many organic materials such as wood and plastics such as acrylic. It can also engrave minerals such as slate and glass. Of course, in some actual cases, although cutting can be achieved through multi-layer marking at a slow speed, it cannot be regarded as the norm and can only be regarded as a hobby level.

Problem 5: Why can’t CO2 laser be used as a common equipment for cutting metal?

Answer 5 for CO2 metal laser cutter:

The reason is that even it can cut stainless steel and carbon steel up to 3 mm thick (with oxygen assistance). It is important to understand that metals are reflective, so some lasers (including most CO2 lasers) cannot handle the laser beam being reflected back to the laser transmitter.

Problem 6: How accurate is laser cutting metal?

Answer 6 for metal laser cutter cutting accruracy:

Generally, laser cutting has dimensional accuracy within ±0.005 inches. Cutting width or laser cut kerf can be as narrow as 0.004 inches. Of course, it also depends on the laser power and the thickness of the material being cut.

Problem 7: How thick can a 1000 watt laser cut?

Answer 7:

The maximum cutting thickness of different materials of the 1000w fiber laser cutting machine:
The maximum thickness of stainless steel is 10mm;
The maximum thickness of aluminum is 8mm;
The maximum thickness of brass is 6mm;
The maximum thickness of carbon steel is 20mm.

Problem 8: How to maintain a co2 mixed metal laser cutter?

Answer 8:

8.1 Daily maintenance of co2 mixed metal laser cutter:
a. Water change and water tank cleaning (it is recommended to clean the water tank and replace the circulating water once a week);
b. Fan cleaning;
c. Cleaning of lenses (it is best to turn off the cleaning equipment before going to work every day)

Noted: Winter maintenance of co2 mixed metal laser cutter:

Answer:

a. For a water-cooled carbon dioxide laser tube, maintaining a temperature of 25 degrees Celsius is optimal for maximizing energy efficiency, while also preventing overheating in summer and freezing in winter;
b. When it freezes in winter, if the ice layer in the water of the laser engraving machine is not removed, the cooling layer of the laser tube will expand and split, causing laser tube failure;
c. To prevent freezing, ensure all laser cutting machines are turned off. Use auxiliary equipment like an air pump or compressor to clean the water in the laser tube thoroughly. For those using water chillers or pumps, dismantle them in a warm location to prevent freezing and potential damage, or thoroughly clean and cool them before storage;
d. Do not add antifreeze inside the laser tube. Antifreeze will affect the quality of light and affect heat dissipation. If heat dissipation is not good, the power and service life may be affected;
e. If possible, store the device in a controlled temperature environment. When reusing, wait until the temperature reaches around 20 degrees Celsius before turning on the water circulation to prevent potential laser tube damage from temperature differences, thus avoiding unnecessary losses;
f. Do not try to open the chiller, as there are safety hazards whether it’s running or not. After use, check for any residual water on components, as it can cause damage. Thorough cleaning is essential to prevent unnecessary losses.

In conclusion, GKELaser’s metal laser cutter include hybrid CO2 Laser Cutter and Fiber Laser Cutter. Low price and high quality metal laser cutting machine from GKE Laser is waiting for your coming.

 

 

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If you want to get more business tips about our cnc laser machine, please feel free to contact us, we will provide you with comprehensive solutions from raw materials to engraving and cutting.

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