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Brass Laser Cutting Machines

AccTek brass laser cutting machines use high-power fiber beams and nitrogen assist to slice reflective brass cleanly and fast, ensuring burr-free edges, tight tolerances, and lower costs.
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Product Introduction

Brass laser cutting machines are precision-engineered systems designed to efficiently cut brass, a metal known for its reflectivity and thermal conductivity, with high accuracy and minimal material waste. Using advanced fiber laser technology, these machines deliver clean, burr-free edges and intricate detail across a wide range of brass thicknesses, from thin sheets to medium-gauge plates. Laser cutting eliminates the need for secondary processes like deburring or polishing, significantly improving production efficiency. Modern brass laser cutting machines are equipped with high-power fiber lasers, CNC automation, and intelligent software that optimize cutting paths, gas flow, and speed. To handle brass’s reflective nature, these machines use specialized optics and protective systems, along with assist gases like nitrogen or air, to prevent oxidation and achieve smooth, bright finishes. Brass laser cutting machines are widely used in architectural metalwork, decorative fabrication, plumbing, signage, musical instruments, and electrical applications—anywhere precision and finish are key. Compared to traditional cutting methods, laser cutting offers faster speeds, tighter tolerances, and reduced operating costs, all while delivering consistent results. Whether for high-volume manufacturing or custom parts production, brass laser cutting machines provide the performance and reliability modern fabricators need.

Types of Brass Laser Cutting Machines

Cutting Thickness Reference

Laser Power Material Thickness (mm) Cutting Speed (m/min) Actual Laser Power (W) Gas Pressure (bar) Nozzle Size (mm) Focus Position (mm) Cutting Height (mm)
1KW 1 9 1000 N2 12 2.0S 0 0.5
2 2 1000 N2 14 2.0S -1 0.5
1.5KW 1 15 1500 N2 12 1.5S 0 0.5
2 5 1500 N2 14 2.0S -1 0.5
3 1.8 1500 N2 14 2.5S -1.5 0.5
2KW 1 18 2000 N2 12 1.5S 0 0.8
2 8 2000 N2 12 2.0S -1 0.5
3 3 2000 N2 14 2.5S -1.5 0.5
4 1.3 2000 N2 16 3.0S -2 0.5
3KW 1 20-28 3000 N2 12 1.5S 0 0.8
2 10-15 3000 N2 12 2.0S 0 0.5
3 5-6 3000 N2 14 2.5S -1 0.5
4 2.5-3 3000 N2 14 3.0S -2 0.5
5 1.8-2.2 3000 N2 14 3.0S -2.5 0.5
4KW 1 25-28 4000 N2 12 1.5S 0 0.6
2 12-15 4000 N2 12 1.5S -1 0.6
3 7-8 4000 N2 14 2.0S -1 0.6
4 4-5 4000 N2 14 2.5S -2 0.5
5 2.5-3 4000 N2 14 3.0S -2 0.5
6 2-2.5 4000 N2 16 3.0S -2.5 0.5
6KW 1 30-40 6000 N2 12 1.5S 0 1
2 18-20 6000 N2 12 2.0S -1 0.5
3 12-14 6000 N2 14 2.5S -1 0.5
4 8-9 6000 N2 14 3.0S -1.5 0.5
5 5-5.5 6000 N2 14 3.0S -2 0.5
6 3.2-3.8 6000 N2 16 3.0S -2.5 0.5
8 1.5-1.8 6000 N2 16 3.5S -3 0.5
10 0.8-1 6000 N2 16 3.5S -3 0.5
12KW 1 35-45 12000 N2 12 2.0S 0 1
2 30-35 12000 N2 12 2.0S -1 0.5
3 18-22 12000 N2 12 2.0S -1 0.5
4 15-18 12000 N2 12 2.0S -2 0.5
5 12-15 12000 N2 14 2.5S -3 0.5
6 8-10 12000 N2 14 2.5S -3 0.5
8 5-7 12000 N2 14 2.5S -4 0.5
10 4-5 12000 N2 14 5.0B -5 0.5
12 1.8-2 12000 N2 14 5.0B -5 0.5
14 1.2-1.4 12000 N2 16 5.0B -8 0.5
20KW 1 40-45 20000 N2 12 2.0S 0 1
2 35-40 20000 N2 12 2.0S 0 0.5
3 28-30 20000 N2 12 2.0S 0 0.5
4 19-22 20000 N2 12 2.5S 0 0.5
5 18-19 20000 N2 14 2.5S 0 0.5
6 12-15 20000 N2 14 3.0S 0 0.5
8 8-10 20000 N2 14 3.0S 0 0.5
10 7-8 20000 N2 14 5.0B -1 0.3
12 2.5-3.5 20000 N2 14 5.0B -2 0.3
14 2-2.5 20000 N2 16 5.0B -3 0.3
16 1.5-2 20000 N2 18 5.0B -3 0.3
18 1.2-1.5 20000 N2 18 5.0B -4 0.3
30KW 1 40-45 30000 N2 12 2.0S 0 1
2 35-40 30000 N2 12 2.0S 0 0.5
3 28-30 30000 N2 12 2.0S 0 0.5
4 20-25 30000 N2 12 2.5S 0 0.5
5 18-20 30000 N2 14 2.5S 0 0.5
6 15-18 30000 N2 14 3.0S 0 0.5
8 10-15 30000 N2 14 3.0S 0 0.5
10 8-10 30000 N2 14 5.0B -1 0.3
12 5-8 30000 N2 14 5.0B -2 0.3
14 3-5 30000 N2 16 5.0B -3 0.3
16 1.5-2 30000 N2 18 5.0B -3 0.3
18 1.2-1.5 30000 N2 18 5.0B -4 0.3
40KW 5 25-30 40000 N2 14 2.5S 0 0.5
6 20-25 40000 N2 14 3.0S 0 0.5
8 18-22 40000 N2 14 3.0S 0 0.5
10 10-14 40000 N2 14 5.0B -1 0.3
12 8-11 40000 N2 14 5.0B -2 0.3
14 6-8 40000 N2 16 5.0B -3 0.3
16 5-7 40000 N2 18 5.0B -3 0.3
18 4-5 40000 N2 18 5.0B -4 0.3
20 3-4 40000 N2 18 6.0B -5 0.3
25 2.5-3 40000 N2 18 6.0B -7 0.3

Compatible Brass Grades

  • C21000
  • C22000
  • C22600
  • C23000
  • C24000
  • C26000
  • C26800
  • C27000
  • C27200
  • C27400
  • C28000
  • C33000
  • C33200
  • C35300
  • C36000
  • C37000
  • C37700
  • C38000
  • C38500
  • C40100
  • C43500
  • C44300
  • C44400
  • C44500
  • C46400
  • C46500
  • C46600
  • C48500
  • C48600
  • C49900
  • C50500
  • C50700
  • C51000
  • C51900
  • C52100
  • C52400
  • C54400
  • C60800
  • C61400
  • C63000

Application of Brass Laser Cutting Machines

Brass laser cutting machines are widely used in industries that demand high precision, clean finishes, and intricate detail when working with brass components. In architecture and interior design, they are used to create decorative panels, trim, signage, and fixtures that require both aesthetic appeal and dimensional accuracy. Electrical and electronic manufacturers use laser-cut brass for connectors, terminals, contacts, and switch components due to its excellent conductivity and reliability. In the plumbing and HVAC sectors, brass laser cutting is used for fabricating valves, fittings, and flanges with precise dimensions and smooth edges. Musical instrument makers rely on laser cutting to shape brass components like bells and tuning slides with consistent quality. Custom fabrication shops and jewelry designers also benefit from laser-cut brass for detailed designs, small parts, and prototypes. Laser cutting ensures minimal material waste, high repeatability, and fast turnaround, making it ideal for both mass production and custom brass applications.
Brass Laser Cutting Samples
Brass Laser Cutting Samples
Brass Laser Cutting Samples
Brass Laser Cutting Samples
Brass Laser Cutting Samples
Brass Laser Cutting Samples
Brass Laser Cutting Samples
Brass Laser Cutting Samples

Customer Testimonials

Cutting 6 mm brass sheets used to be slow and messy for our signage line. This fiber laser now slices each panel in seconds, leaving clean edges that need no filing. Tool library loads the right gas mix automatically, so operators rarely adjust settings. Scrap has dropped ten percent since we started.
JackProduction Supervisor
Fine brass filigree was often warped on our old cutter. With this system, 0.8 mm sheets stay flat and edges shine right off the bed. I import designs from Illustrator, nest with one click, and run. Noise is low enough for customer demos, which helps us sell more custom pieces every month.
LuisaJewelry Designer
Before installing this laser, drilling holes in 3 mm brass plates took longer than the actual cutting. Now the beam pierces cleanly and keeps roundness within ±0.05 mm. Automatic nozzle cleaning between jobs stops buildup and keeps quality steady. Throughput has doubled without adding extra staff or shifts during our busiest seasonal rushes.
OliverSheet Metal Foreman
Daily maintenance is simpler than expected. I wipe the protective glass, check chiller levels, and empty the slag bin in under ten minutes. The control panel displays diode hours and temperature trends, letting me schedule service early. We have avoided any unplanned stops over six straight months of heavy use.
TatianaQuality Engineer
Managing mixed material runs used to slow us down, but this machine’s barcode reader loads the right brass settings instantly. Pallet swap occurs under twenty seconds, keeping beam time high. Operators love the touchscreen hints that pop up during setup. Overall output rose thirty percent last quarter without extra overtime.
HaroldMaintenance Lead
Buying sheets of 1.5 mm brass is pricey, so material savings matter. The nesting optimizer squeezes layouts tighter than any software we’ve used before, cutting waste by twelve percent. Remote app shows sheet usage stats on my phone, making reorder planning easy and keeping cash flow smooth through the entire year.
AmiraOperations Planner

Comparison VS Other Cutting Technologies

Feature Laser Cutting Plasma Cutting Waterjet Cutting Flame Cutting
Cut Quality Excellent, clean edges Fair, may have dross Excellent, smooth finish Poor, not suitable
Cutting Precision Very High Moderate High Very Low
Minimum Kerf Width Very narrow (~0.1–0.3 mm) Wider (~2–4 mm) Moderate (~1 mm) Very wide (>4 mm)
Heat-Affected Zone (HAZ) Minimal Large None Very large
Edge Oxidation Low (especially with nitrogen assist) Moderate None Severe oxidation
Suitability for Fine Detail Excellent Poor Good Not suitable
Cutting Speed (Thin Sheet) Very fast Fast Slow Very slow
Material Thickness Range Thin to medium Medium to thick Thin to thick Not recommended
Post-Processing Needs Minimal Often required Minimal High
Initial Equipment Cost High Moderate High Low
Operating Cost Moderate to low Low High (abrasives, water) Low
Noise Level Low High Low Very high
Automation & CNC Compatibility Excellent Good Good Limited
Reflectivity Handling Handled with advanced optics Poor performance on reflective surfaces No issue Not effective
Environmental Impact Low emissions, clean process Fumes and debris Water and abrasive waste High emissions and smoke

Why Choose Us

AccTek Group is a leading laser cutting machine manufacturer, dedicated to delivering high-quality, precision-driven solutions for industries worldwide. With years of experience in laser technology, we design and produce laser cutting machines that enhance efficiency, reduce production costs, and improve overall productivity. Our machines are widely used in metal fabrication, automotive, aerospace, and other industries that require precise and efficient cutting. We prioritize technological innovation, strict quality control, and exceptional customer service to ensure that every machine meets international standards. Our goal is to provide durable, high-performance solutions that help businesses optimize their operations. Whether you need a standard machine or a customized cutting system, AccTek Group is your trusted partner for reliable laser cutting solutions.

Advanced Technology

Our laser cutting machines feature high-speed, precision cutting with the latest laser technology, ensuring smooth edges, minimal waste, and superior efficiency across various materials and thicknesses.

Reliable Quality

Each machine undergoes rigorous quality control and durability testing to ensure long-term stability, low maintenance, and consistent high performance, even under demanding industrial conditions.

Comprehensive Support

We provide full technical support, including installation guidance, operator training, and after-sales service, ensuring smooth machine operation and minimal downtime for your business.

Cost-Effective Solutions

Our machines offer high performance at competitive prices, with customizable options to fit different production needs, helping businesses maximize their investment without compromising on quality.

Related Resources

What Is Laser Cutting

What Is Laser Cutting?

2025-05-05

Discover the fundamentals of laser cutting, its process, types, applications, and benefits. Learn how this advanced technology is transforming modern manufacturing.

Frequently Asked Questions

Can Lasers Cut Brass?
Yes, fiber lasers can cut brass, but with certain precautions. Because brass is a highly reflective and thermally conductive metal, it presents unique challenges. However, with the right equipment and parameters, clean, precise cuts are achievable, especially when using fiber laser systems optimized for metalwork.

  • Cutting Thickness and Quality: Fiber lasers can cut brass sheets ranging from thin foils (0.2 mm) up to 6 mm or more, depending on the machine’s wattage. Common industrial lasers in the 2kW–6kW range typically cut 1–3 mm brass cleanly and quickly, producing fine kerfs and minimal heat-affected zones.
  • Reflectivity and Beam Control: Because brass reflects light, laser machines need anti-reflective protection systems, such as back-reflection isolators or sensors that prevent laser bounce-back from damaging the fiber source. This feature is critical when cutting shiny materials like brass.
  • Assist Gases: Nitrogen is typically used as an assist gas when cutting brass. It displaces oxygen and prevents oxidation at the cut edge, resulting in a bright, clean finish. For thicker brass, high-pressure nitrogen improves cut speed and reduces dross.

Lasers—specifically fiber lasers—can cut brass with high precision and reliability. CO2 lasers are not recommended due to reflection risk. With proper assist gas, beam control, and machine settings, laser cutting offers a fast, clean, and efficient method for working with brass in both industrial and creative applications.
Brass is more difficult to cut with lasers than steel, primarily because of its high reflectivity and thermal conductivity. These properties impact how the laser interacts with the material, requiring specialized equipment and careful settings to ensure a clean, damage-free cut.

  • Reflectivity Challenges: Brass reflects a large portion of infrared laser energy, especially at the wavelengths used by CO₂ and fiber lasers. This high reflectivity can bounce laser energy back into the machine, potentially damaging optical components or the laser source itself. Steel, in contrast, absorbs more laser energy, making it easier to initiate and maintain a consistent cut.
  • Thermal Conductivity Issues: Brass conducts heat very efficiently, much faster than steel. This rapid heat dissipation makes it harder for the laser to maintain a localized melting point. As a result, more energy is needed to penetrate the brass, and cutting speeds must be carefully managed to avoid incomplete cuts or edge defects.
  • Back Reflection Risks with Fiber Lasers: Fiber lasers are well-suited for cutting metals, but when cutting brass, back reflection is a major concern. Without protection systems like optical isolators or beam dump technology, cutting brass can pose a serious risk to the laser source. Steel, being less reflective, poses a much lower risk of back-reflection damage.
  • Surface Finish Sensitivity: Polished or mirror-finish brass amplifies reflectivity. While surface oxidation or matte coatings can reduce this, many industrial applications require clean brass finishes, which further complicates laser interaction. Steel surfaces are typically more forgiving in this regard.
  • Assist Gas Requirements: Brass requires high-pressure nitrogen as an assist gas to prevent oxidation and maintain cut quality. Steel can often be cut with oxygen, which also helps drive the cutting process by igniting the metal. That makes steel easier and cheaper to process in many cases.
  • Edge Quality and Dross: Improper settings when cutting brass can cause inconsistent edge quality, melted slag, or excess dross formation. Steel generally produces smoother, more predictable edges, particularly with optimized oxygen cutting.

Brass is more difficult to laser cut than steel due to its high reflectivity, rapid heat conduction, and the risk of damaging equipment via back-reflection. While steel absorbs energy efficiently and cuts cleanly, brass requires more power, precise controls, and protective technologies to cut safely and effectively.
Fiber laser-cutting machines are the best choice for processing brass, but their cost can vary significantly depending on power, precision, and industrial features. Prices typically range from $20,000 to $200,000.

  • Entry-Level Fiber Lasers ($20,000–$50,000): Compact, lower-wattage fiber laser cutting machines in this range are suitable for small workshops or prototyping environments. They can cut thin brass sheets (generally up to 2–3 mm) with moderate speed and accuracy. These models may come with basic cooling systems and limited automation features, but require careful handling due to the reflective nature of brass.
  • Mid-Range Industrial Systems ($50,000–$120,000): Machines in this range often feature higher wattage (12 kW to 20 kW), larger work areas, faster cutting speeds, and advanced motion control systems. They include essential safeguards like back-reflection protection and enhanced cooling, making them far more suitable for regular brass cutting in fabrication shops or production lines.
  • High-End Industrial Systems ($120,000–$200,000+): Top-tier systems deliver cutting-edge capabilities with 30 kW or higher laser power, multi-axis cutting heads, automated material handling, and software integration. These systems handle thicker brass (up to 10 mm or more) with clean edges and minimal dross. They also include inert gas integration (e.g., nitrogen or argon) and dynamic beam adjustment to optimize cut quality and reduce reflectivity issues.

Fiber laser cutting machines capable of cutting brass range from $20,000 to $200,000. Budget options cover light-duty jobs, while high-end systems deliver industrial-grade speed, reliability, and safety. Choosing the right machine depends on the thickness of brass, volume of production, and desired cut quality.
Yes, but only up to a point. Higher laser power does increase cutting speed and thickness capacity when processing brass, but several factors affect how efficiently this power translates into performance.

  1. Laser Power and Brass Cutting
  • 1–2 kW Fiber Lasers: Suitable for cutting thin brass sheets (1–2 mm) with clean edges, but the cutting speed is moderate. These machines can struggle with reflective interference or heat buildup without good assist gas flow and back-reflection protection.
  • 3–6 kW Fiber Lasers: Offer significantly faster speeds on medium-thickness brass (2–5 mm). At this range, the laser has enough energy density to overcome brass’s high reflectivity and thermal conductivity more efficiently.
  • 12–20+ kW Fiber Lasers: Enable high-speed cutting on thicker brass (up to 10 mm or more). These systems can maintain fast linear cutting rates without sacrificing edge quality or requiring multiple passes.
  1. What Maximizes Cutting Speed Besides Power
  • Beam Quality and Spot Size: A tighter, more focused beam improves cut efficiency.
  • Assist Gas Pressure: High-pressure nitrogen or air helps blow molten metal out of the kerf faster.
  • Cutting Head Technology: Dynamic focus control and anti-reflective coatings are critical for stable brass cutting.
  • Material Surface Finish: Oxidized or coated brass cuts more predictably than highly polished brass, which can scatter the beam.

Higher laser power can cut brass faster, especially when dealing with thicker sheets or aiming for high throughput. However, speed gains depend just as much on assist gas, machine configuration, beam control, and how reflective the brass surface is. For best results, power should be matched to the material thickness and application, not simply maximized.
Yes, reducing the cutting speed can make brass cutting more effective, especially when using fiber lasers—but it’s a tradeoff. Brass is a reflective and thermally conductive material. These two characteristics make it challenging to laser cut, especially with high-speed passes.

  1. If The Cutting Speed is Too Fast
  • The beam doesn’t stay on the material long enough to fully melt through.
  • The kerf may become inconsistent, causing incomplete cuts or rough edges.
  • Reflective surfaces may deflect energy, increasing the chance of beam back-reflection that can harm optics.
  1. Benefits of Slower Cutting Speed
  • Improved Edge Quality: More time for the laser to cleanly melt and expel material.
  • Stable Kerf Formation: Reduced risk of dross buildup or inconsistent cuts.
  • Lower Risk of Burnback: Especially useful for cutting intricate or tight geometry.
  • Better Control Over Heat Input: Slower speed gives the assist gas more time to remove molten brass.
  1. However, There’s Balance
  • Too slow = excess heat: This can lead to warping, discoloration, or micro-burrs on the underside.
  • Too fast = poor penetration: The laser might not fully cut through the brass sheet.
  1. Recommended Strategy
  • Use moderate to slow speeds paired with high-pressure nitrogen assist gas.
  • Consider pulsed fiber laser settings if available—they allow energy bursts with better thermal control.
  • Fine-tune focus and nozzle distance to match brass’s specific reflectivity and thickness.

Slowing down the cutting speed can improve the cut quality and reliability when working with brass, particularly due to its reflective and heat-conductive nature. However, it’s essential to balance speed with power, focus, and gas pressure to avoid excessive heat buildup or inefficient cutting.
Fiber laser-cutting machines are powerful tools for working with reflective metals, but choosing the right assist gas is essential to cut brass efficiently and cleanly. Nitrogen is the preferred assist gas when cutting brass with a fiber laser. It’s inert, which means it doesn’t chemically react with the material under high heat. That’s critical because brass—an alloy of copper and zinc—is prone to oxidation when exposed to oxygen during cutting.

  1. Using Nitrogen Ensures
  • Oxidation-free edges: No discoloration, tarnish, or burnt-looking surfaces.
  • Consistent cut quality: Especially important for precision parts and aesthetic components.
  • Smooth edges: With no scaling or roughness that would require secondary finishing.
  1. Why Not Oxygen or Air
  • Oxygen: Though it can speed up cutting for carbon steel, it’s not suitable for brass. The high reactivity causes oxidation and heat buildup, resulting in poor edge quality and surface burning.
  • Compressed Air: Sometimes used for cost-saving, but cutting brass with air can result in inconsistent edges, partial oxidation, and reduced surface quality. It may be acceptable for low-cost, non-cosmetic parts, but not for professional applications.

For cutting brass with a fiber laser, high-purity nitrogen isn’t just an option—it’s the industry standard. It allows fabricators to maintain high-quality results with minimal post-processing, especially in applications like electronics, signage, and decorative metalwork.
Laser cutting brass is more complex than cutting organic materials due to its physical and reflective properties. Success hinges on understanding the challenges and optimizing equipment and parameters accordingly. Here’s what matters most:

  • Laser Type Matters: CO2 lasers are not ideal for brass because brass is highly reflective at the 10.6 µm wavelength that CO2 lasers emit. The reflectivity can bounce the laser beam back into the optics, damaging the machine. Fiber lasers, which operate at shorter wavelengths (around 1.06 µm), are significantly more effective and safer for cutting brass. Always use a fiber laser for clean, efficient brass cutting.
  • Material Thickness and Surface Treatment: Thin sheets of brass (typically under 3mm) cut more effectively. To reduce reflectivity and minimize the risk of laser bounce-back, brass is often coated with a surface treatment like black paint, laser marking spray, or a special film. This coating absorbs energy more efficiently and protects the laser system.
  • Laser Power and Speed Settings: Brass requires high laser power to penetrate its dense, thermally conductive structure. At the same time, cutting too slowly can overheat the material, leading to rough edges or warping. The ideal setup uses high power with a relatively fast cutting speed to maintain precision and avoid excessive heat buildup.
  • Assist Gas Selection: An assist gas, like nitrogen or oxygen, is crucial. Nitrogen is typically preferred because it produces a clean cut without oxidation, preserving the bright, reflective finish of brass. Oxygen can be used for faster cuts, but may discolor the edges due to oxidation.
  • Focus and Beam Quality: Tight focus and excellent beam quality are key to achieving precise cuts. A high-quality fiber laser with fine control over focal length ensures sharp edges and minimal burring. Any deviation in focus can lead to incomplete cuts or a poor finish.
  • Thermal Management and Fixturing: Brass conducts heat very efficiently, which can cause warping or unintended heat-affected zones. Proper fixturing helps keep the material flat and stable during cutting. Heat dissipation techniques, such as backplates or chill plates, can also help manage temperature.
  • Safety and Monitoring: Cutting brass requires continuous monitoring, especially if working with coated or thin sheets. Reflected beams and potential flare-ups mean that safety measures like proper enclosures, beam shields, and real-time sensors are non-negotiable.

Successful laser cutting of brass demands the right equipment—specifically, a fiber laser—paired with smart parameter tuning, good thermal control, and safety vigilance. Unlike organic materials, brass doesn’t forgive mistakes, so precision and setup matter at every step.
Brass is a dense, reflective, and thermally conductive metal, which presents several challenges when laser cutting, especially without the right equipment or parameters. Here are the most common issues operators face:

  • High Reflectivity: Brass reflects a significant portion of the laser beam, especially CO2 lasers. This reflection can not only reduce cutting efficiency but also damage the laser optics. Fiber lasers are better suited, but even then, uncoated brass may still cause reflections that affect cut quality.
  • Poor Edge Quality or Burr Formation: Cutting brass often results in rough or burred edges, particularly when settings aren’t dialed in correctly. This is due to its high thermal conductivity, which causes the material to re-solidify rapidly at the cut edge. Incorrect focal settings, low power, or improper assist gas pressure can make this worse.
  • Inconsistent Cuts or Incomplete Penetration: Because brass disperses heat quickly, the laser energy may not remain focused long enough in one spot to create a consistent cut, especially in thicker sheets. This can result in incomplete cuts, requiring additional passes or cleanup work.
  • Oxidation and Discoloration: Using oxygen as the assist gas can speed up cutting, but often leads to oxidation on the cut edges, which appears as dark or colored staining. This affects aesthetics and may require post-processing, especially for decorative applications. Nitrogen is a better choice for clean, oxidation-free cuts.
  • Thermal Warping or Distortion: Brass’s high conductivity means heat moves through the sheet rapidly. If the material isn’t properly clamped or supported, this heat can cause warping, especially with thin sheets or prolonged cutting. Poor fixturing or repeated passes also increase this risk.
  • Back Reflections Damaging the Machine: Even with a fiber laser, if brass is not treated or prepared correctly (e.g., coated to reduce reflectivity), back reflections can damage critical components like the collimator or fiber delivery head. This is a costly issue that can shut down operations.
  • Fume and Particle Generation: Laser cutting brass releases fine particles and fumes, which may include copper and zinc oxides. These can be harmful if inhaled and may deposit on lenses or mirrors, degrading performance. A powerful extraction and filtration system is necessary to maintain both safety and equipment longevity.
  • Material Movement or Shifting During Cutting: Because brass sheets are often thin and lightweight, they can move from air assist pressure or minor vibrations during cutting. This leads to misaligned cuts or inconsistent quality. Proper fixturing and using honeycomb beds or vacuum tables help keep material in place.

Laser cutting brass is far from plug-and-play. Common problems like reflectivity, burrs, incomplete cuts, and discoloration arise from brass’s physical properties. Using a fiber laser, applying surface coatings, optimizing settings, and ensuring proper fume extraction and fixturing are all critical to avoiding these pitfalls and getting clean, consistent results.

Get Brass Cutting Solutions

When precision, speed, and finish matter, our brass laser cutting machines deliver the performance your operation needs. Designed to handle the reflective nature of brass with advanced fiber laser technology, these machines produce clean, burr-free edges and detailed cuts with minimal heat distortion or oxidation. Whether you’re manufacturing decorative pieces, electrical components, or plumbing parts, our systems provide the accuracy and reliability to meet demanding production standards.
We offer a full range of laser cutting solutions tailored to various brass grades and thicknesses, supported by CNC automation, intelligent software, and optimized assist gas control. From small workshops to large-scale operations, we help you choose the right machine for your goals and workflow.
Our team is here to support you from consultation through installation, training, and ongoing service. Ready to enhance your brass cutting capabilities? Contact us today for expert guidance and a personalized quote.
* We value your privacy. AccTek Group is committed to protecting your personal information. Any details you provide when submitting the form will be kept strictly confidential and used only to assist with your inquiry. We do not share, sell, or disclose your information to third parties. Your data is securely stored and handled by our privacy policy.
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  • Headquarters: 3-1007, Minghu Plaza, Minghu West Street, Jinan City
  • Branch: A3-2-1206, Hanyu Jingu, High-tech Zone, Jinan City
  • Factory: No. 3, Zone A, Lunzhen Industrial Zone, Yucheng City, Dezhou City
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