Metal Laser Cutter Basics – The Beginner’s Guide

Are you looking to DIY or purchase a low-cost metal laser cutter for stainless steel, carbon steel, tool steel, galvanized steel, spring steel, aluminum, copper, brass, alloy, silver, gold, iron, titanium, chromium, manganese, cobalt, nickel, lead, and other metal fabrication in the United States, United Kingdom, United Arab Emirates, Canada, Australia, Russia, South Africa, China, India, or other Asian, European, and North American countries?

Examine the 2021 best metal laser cutting machine buying guide for metalworkers, metal fabricators, operators, machinists, and beginners, and we’ll offer you the 2021 cheapest CNC laser metal cutting machines with custom metal laser cutting service to fit your CNC laser metal cutting ideas, projects, and plans.

What Is A Metal Laser Cutter?

Metal laser cutters are a type of CNC laser cutting machine used to cut sheet metals, metal plates, metal profiles, metal tubes, and metal pipes, and they are the best metal cutting solution for metal fabricators. Metal laser cutters are available for stainless steel, galvanized steel, carbon steel, mild steel, cold rolled steel, hot rolled steel, copper, brass, alloy, iron, silver, gold, titanium, aluminum, and bronze 2D/3D metal cutting projects. Machine frames, laser power supplies, laser generators, reflector paths, laser cutting heads, water chillers, control panels, and CNC (Computer Numerical Control) systems are all included in laser metal cutting machines.

How Does A Metal Laser Cutting Machine Work?

The laser’s energy is concentrated into a high-density beam of light. To achieve metal cutting, the laser beam is transmitted to the work surface, generating enough heat to melt the material, and the high-pressure gas coaxial with the beam directly removes the fused metal. This demonstrates how laser metal cutting differs from CNC machining.

The laser beam emitted by the laser generator is used by a laser metal cutting machine to focus on the laser beam irradiation condition of high power density via the external circuit system. The laser heat is absorbed by the workpiece material, causing the temperature to rise dramatically. After reaching the boiling point, the material begins to vaporize and form holes, which will eventually form a slit in the material as the relative position of the beam and the workpiece moves.

The CNC system controls the technological parameters (cutting speed, laser power, gas pressure, etc.) and movement trajectory during slitting, and the slag at the slit is blown off by a high-pressure auxiliary gas.

Auxiliary gas suitable for the material to be cut is also added during laser-cut metal. When cutting steel, oxygen must be used as an auxiliary gas to produce an exothermic chemical reaction with the molten metal in order to oxidize the material while also aiding in the removal of slag from the slit. Nitrogen can be used as an auxiliary gas in the industry for metal parts with high processing accuracy.

What Are Laser Metal Cutting Machines Used For?

Metal laser cutting machines are widely used in industrial metal fabrication, school education, small businesses, home businesses, 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, and so on.

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: The laser metal cutter is an effective cutting method for the manufacturing industry, which is dominated by stainless steel sheets. When the laser cutting heat input is strictly controlled, the width of the trimming edge’s heat affected zone can be limited, ensuring good stainless steel. The corrosive-resistant variety. The energy released when the laser beam is irradiated to the surface of the steel plate is used to melt and evaporate the stainless steel.

Laser cutting of stainless steel is a fast and effective cutting method for the manufacturing industry that uses stainless steel sheets as the main component. Cutting speed, laser power, air pressure, and other process parameters all have an impact on the cutting quality of stainless steel.

Carbon Steel: The laser cut thickness 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) has a high reflectivity; laser cut brass (copper alloy) should use a higher laser power; auxiliary gas using air or oxygen allows for thinner plates to be cut. Pure copper and brass have a high reflectivity as well as excellent thermal conductivity. Only when a “reflective absorption” device is installed on the system can pure copper and brass be cut; 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.

Pure titanium can be well coupled with the heat energy converted by the focused laser beam. When the auxiliary gas contains oxygen, the chemical reaction is violent and the cutting speed is rapid, but an oxide layer at the cutting edge is easily formed, which can lead to over-burning. As a result, using air as an auxiliary gas can ensure cutting quality. Laser cutting of titanium alloys, which are commonly used in aircraft manufacturing, is superior. Titanium plates are cut using nitrogen as a cutting gas and nitrogen as a processing gas.

The cutting thickness of different laser powers is different, higher power metal laser cutting machine can cut thicker metals. At present, HGSTAR 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.

How Many Types Of Laser Cutting Machines for Metal?

Metal laser cutter is also known as laser metal cutter, laser metal cutting machine, metal laser cutting machine, laser metal cutter machine, laser metal cutting tool, laser metal cutting table, laser metal cutting system, laser metal cutting equipment. Metal laser cutters are divided into fiber laser cutters for metal, CO2 laser cutters for metal according to laser source. Laser metal cutters are divided into sheet metal laser cutting machine, flatbed laser metal cutting machine, laser tube cutting machine, and combo laser metal cutting machines for both sheet metals and metal pipes.

How To Choose The Best Laser Cutters For Metal?

If you are working for a metalworking business, you may need a laser cutter for metal, check out the three types of metal laser cutters to fit your metal fabrication requirements:

1. Sheet metal laser cutters.

2. Laser tube cutters.

3. Dual-purpose laser cutters for sheet metals and metal tubes.

How Much Does A Metal Laser Cutter Cost?

Once you have an idea to buy a cheap laser cutter for metal, you may wonder how to get a fair price? According to different laser sources, laser powers, laser software, driving system, control system, spare parts, other hardwares and softwares, you will get a final metal laser cutter price range from $8,000.00 to $260,000.00. A fiber laser metal cutting machine cost is from $24,000.00 to $260,000.00. A CO2 laser metal cutting machine cost is from $8,000 to $20,000.00. If you want to buy overseas, the fee of tax, customs clearance and shipping costs should be included in the final price.

Warranty3 years

What Are The Advantages Of Laser Metal Cutting Machine?

You can get benefits of excellent laser beam quality, high efficiency, high speed, easy operations, low cost, low maintenance, stable running, super flexible optical effects for metal laser cutting machines. Metal laser cutters are easy to flexible industrial manufacturing requirements.

1. High precision and best stability: The use of high precision ball screw transmission mechanism, optimized CNC system control, which can meet the processing of precision parts, and the dynamic performance is stable, and it can work for a long time.

2. The cutting section is of high quality: The mechanical follow-up cutting head system is adopted, the cutting head follows the height of the plate, and the position of the cutting point is always maintained, so that the cutting seam is smooth.

3. High performance: For thin sheet metal cutting, it can replace CO2 laser cutter, CNC punching machine and shearing machine, the cost of the whole laser metal cutting machine is equivalent to 1/4 of CO2 laser cutter and 1/2 of CNC punching machine.

4. Low cost of use and high cutting speed.

How To Buy An Affordable Laser Cutter For Metal?

1. Consult:

We will recommend the most suitable metal laser cutter to you after being informed by your requirements.

2. Quotation:

We will offer you with the detail quotation according to the consulted laser metal cutting machine. You will get the most suitable specifications, the best accessories and the affordable price.

3. Process Evaluation:

Both sides carefully evaluate all the order details (specifications, technical parameters and business terms) to exclude any misunderstanding.

4. Placing an order:

If you have no doubts, we will send the PI (Proforma Invoice) to you. Then we will sign a contract with you.

5. Production:

We will arrange the metal cutting machine production as soon as receiving your sales contract and deposit. The latest news about the production will be updated and informed to the buyer during the production.

6. Quality Control:

The whole machine production procedure will be under regular inspection and strict quality control. The complete metal cutting machine will be tested to make sure they can work well before out of factory.

7. Delivery:

We will arrange the delivery as the terms in contract after the confirmation by the laser metal cutting machine buyer.

8. Custom Clearance:

We will supply the necessary shipping documents to the laser metal cutter buyer and ensure a smooth customs clearance.

9. Support and Service:

We will offer professional metal laser cutter technical support and service by Phone, Email, Skype, WhatsApp, Online Live Chat, Remote Service. We also have door-to-door service in some areas.

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