20W Fiber Laser Marking Machines

The 20W fiber laser marking machine offers fast, precise, and permanent marking on metals and plastics—ideal for logos, serial numbers, barcodes, and industrial traceability.
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Product Introduction

The 20W fiber laser marking machine is a precision tool designed for high-speed, high-contrast engraving and marking on metals and select non-metal materials. Powered by a 20-watt fiber laser source, it delivers exceptional marking clarity with fine lines, smooth edges, and permanent results. Ideal for industries like electronics, jewelry, tools, automotive, and medical devices, this machine combines performance, reliability, and efficiency in one compact system. With advanced galvo scanning technology, it ensures fast marking speeds—up to several thousand millimeters per second—without sacrificing accuracy. The fiber laser’s non-contact marking process means no consumables, minimal maintenance, and long service life (up to 100,000 hours). It can engrave text, logos, serial numbers, barcodes, QR codes, and graphics on a variety of surfaces, including stainless steel, aluminum, brass, copper, titanium, and coated materials. The 20W laser power strikes the perfect balance between cost-effectiveness and capability, making it a popular choice for small to medium-scale production. Supported by user-friendly software and compatible with standard file formats, it allows for flexible operation and easy integration into existing workflows. Whether for branding, traceability, or decorative applications, the 20W fiber laser marking machine delivers precision, speed, and consistency every time.

Types of 20W Fiber Laser Marking Machines

Laser Marking Capabilities

Material 20W 30W 50W 60W 70W 100W
Stainless Steel (304/316) Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal; Shallow Engrave Surface Mark; Black/Anneal; Shallow Engrave Surface Mark; Black/Anneal; Shallow Engrave Surface Mark; Black/Anneal; Shallow Engrave; deep relief
Carbon Steel (Mild) Surface Mark Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave; deep relief
Tool Steel (HRC ≤55) Surface Mark Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave; deep relief
Tool Steel (HRC 55–60) Surface Mark Surface Mark Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave (slow)
Titanium & Ti Alloys Surface Mark; Black/Anneal (color) Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal
Nickel Alloys / Inconel Surface Mark Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave; deep relief
Aluminum (Anodized) fast Coating Removal (Surface Mark) Coating Removal Coating Removal Coating Removal Coating Removal Coating Removal
Aluminum (Bare) Surface Mark (MOPA Recommended) Surface Mark; Shallow Engrave (MOPA Recommended) Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave; deep relief
Brass Surface Mark Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave; deep relief
Copper Surface Mark (MOPA Recommended) Surface Mark; Shallow Engrave (MOPA Recommended) Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave Surface Mark; Shallow Engrave; deep relief
Galvanized Steel Surface Mark (Manage Zinc Fumes) Surface Mark Surface Mark Surface Mark Surface Mark Surface Mark
Zinc-/Chrome-Plated Steel Coating Ablation (Surface Mark) Coating Ablation Coating Ablation Coating Ablation Coating Ablation Coating Ablation
Black Oxide/Phosphate Coat Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal Surface Mark; Black/Anneal
Painted/Powder-Coated Metals Coating Ablation (Surface Mark) Coating Ablation Coating Ablation Coating Ablation Coating Ablation Coating Ablation
Hard Plastics (ABS/PC/PA)* Surface Mark (MOPA; Laser-Markable Grades) Surface Mark (MOPA; Laser-Markable Grades) Surface Mark (MOPA; Laser-Markable Grades) Surface Mark (MOPA; Laser-Markable Grades) Surface Mark (MOPA; Laser-Markable Grades) Surface Mark (MOPA; Laser-Markable Grades)
POM/PE/PP (Additive-Filled)* Surface Mark (Additive-Filled; MOPA Recommended) Surface Mark (Additive-Filled; MOPA Recommended) Surface Mark (Additive-Filled) Surface Mark (Additive-Filled) Surface Mark (Additive-Filled) Surface Mark (Additive-Filled)
CFRP/GFRP Composites resin Surface Mark resin Surface Mark resin Surface Mark resin Surface Mark resin Surface Mark resin Surface Mark
Ceramics (With Marking Paste) Shallow Engrave (With Paste) Shallow Engrave (With Paste) Shallow Engrave; Surface Mark (With Paste) Shallow Engrave; Surface Mark (With Paste) Shallow Engrave; Surface Mark (With Paste) Shallow Engrave; Surface Mark (With Paste)
Glass (With Marking Paste) Shallow Engrave (With Paste) Shallow Engrave (With Paste) Shallow Engrave; Surface Mark (With Paste) Shallow Engrave; Surface Mark (With Paste) Shallow Engrave; Surface Mark (With Paste) Shallow Engrave; Surface Mark (With Paste)
Wood/Leather (Organics) Mot Recommended (use CO₂ laser) Mot Recommended Mot Recommended Mot Recommended Mot Recommended Mot Recommended
PVC Mot Recommended (toxic fumes) Mot Recommended Mot Recommended Mot Recommended Mot Recommended Mot Recommended

Compatible Materials

Application of 20W Fiber Laser Marking Machines

The 20W fiber laser marking machine is widely used across industries that demand precision, durability, and efficiency in product identification and branding. Its versatility allows it to mark metals, plastics, and coated materials with ease, making it ideal for a broad range of applications. Common uses include engraving serial numbers, barcodes, QR codes, logos, part numbers, and text for product traceability and anti-counterfeiting. In the electronics industry, it’s used for marking components, circuit boards, and connectors. In automotive and aerospace, it engraves tools, engine parts, and metal tags. Jewelry and watch manufacturers use it for fine detailing and personalization, while medical device producers rely on it for compliant, permanent identification on surgical instruments. The 20W laser’s balance of speed, accuracy, and cost-efficiency makes it perfect for small to medium production runs, custom marking, and industrial labeling—delivering consistent, high-quality results every time.
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample
Fiber Laser Marking Machine Sample

Customer Testimonials

Comparison VS Other Marking Technologies

Comparison Item Fiber Laser Marking Dot Peen Marking Inkjet Printing Chemical Etching
Marking Speed Very fast; high throughput suitable for automation Moderate; mechanical movement limits speed Fast, but limited by drying time Slow; multi-step chemical process
Marking Quality Extremely precise, clean, and high contrast Medium; mechanical impact causes rough marks Good, but can smear or fade Good, but depends on chemical consistency
Material Compatibility Works on most metals, plastics, ceramics Mainly metals Works on metals, plastics, paper Mostly metals and coated surfaces
Permanence Permanent and wear-resistant Permanent but can be affected by corrosion Temporary; can fade over time Permanent if surface is properly treated
Surface Damage Non-contact; no physical damage Causes indentation and vibration None Can affect surface coating or finish
Precision on Small Parts Excellent for micro-marking Limited precision Moderate; depends on nozzle resolution Good, but less controllable
Maintenance Requirements Very low; no consumables Regular pin and stylus replacement Frequent ink and nozzle maintenance Chemical disposal and tank cleaning needed
Operating Cost Low after purchase; no consumables Low to moderate; mechanical wear parts High; ink and solvent costs Moderate; chemicals and waste handling
Environmental Impact Clean and eco-friendly Minimal Uses solvents and produces emissions Generates chemical waste
Noise Level Silent operation Noisy (mechanical impact) Quiet Silent
Integration in Production Lines Easily automated with software and robotics Possible, but slower cycle time Easy to integrate Difficult; manual process
Marking Depth Control Fully adjustable via software Fixed by stylus pressure Not applicable Limited by etching duration
Suitable for 2D/QR Codes Excellent; sharp, high-resolution marks Poor readability Limited durability Not suitable for fine codes
Lifespan of Equipment 100,000+ hours of laser life Moderate; mechanical wear parts Moderate; ink system replacements Limited by corrosion of tanks and tools
Overall Marking Consistency Excellent; repeatable, distortion-free Inconsistent on uneven surfaces Affected by ink flow and surface texture Variable; depends on chemical balance

Why Choose Us

AccTek Group is a professional manufacturer of laser marking machines, delivering precise, fast, and permanent marking solutions for a wide range of materials and industries. Our machines are designed to meet the growing demand for high-speed, high-contrast marking in sectors such as electronics, automotive, tools, medical devices, and packaging. With a focus on innovation, performance, and reliability, we provide laser marking systems that offer excellent beam quality, low maintenance, and long service life. Whether you need to mark logos, serial numbers, barcodes, or graphics, AccTek Group’s solutions ensure clean, accurate results that meet industrial standards. We’re committed to helping customers improve traceability, product identification, and branding through cutting-edge laser technology.

High Precision

Our machines deliver sharp, detailed markings with excellent contrast, suitable for complex patterns and small components across metal, plastic, and other materials.

Fast Processing

Designed for speed and efficiency, our systems complete marking tasks quickly without compromising quality, making them ideal for high-volume production environments.

Low Maintenance

With durable components and minimal consumables, our machines offer stable long-term performance, reducing downtime and keeping operating costs low.

Flexible Solutions

We provide a variety of models and customization options to suit different materials, marking needs, and production setups, ensuring the right fit for your business.

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Frequently Asked Questions

What 20W Fiber Laser Marking Machine Models Are Available?
20W fiber laser marking machines come in several configurations, each designed to meet specific production needs and workspace conditions. Here are the main types available:

  • Desktop Models: Compact and stable, these are ideal for small workshops, laboratories, or jewelry studios. Their rigid frame and fixed optical path ensure consistent, precise marking on metals and plastics.
  • Portable Models: Lightweight and easy to move, these machines allow flexible operation in multiple work areas. They’re well-suited for marking components or tools that are difficult to transport.
  • Handheld Models: Designed for marking large, heavy, or irregularly shaped objects, handheld fiber lasers provide ergonomic flexibility while maintaining marking accuracy, commonly used for pipes, machinery, or chassis parts.
  • Fully Enclosed Systems: Built with protective housings and exhaust filtration, these models enhance operator safety and environmental cleanliness. They’re perfect for cleanroom or office settings where fume control and shielding are required.
  • Flying Fiber Lasers: Integrated into automated or conveyor production lines, they mark moving products continuously at high speed. This makes them ideal for serial numbers, barcodes, or logos on electronics, wires, and packaging materials.
  • Large-Area Screw-Drive Systems: Featuring high-precision screw motion control, these models deliver stable and accurate marking over large surfaces. They’re widely used for automotive parts, molds, and complex metal components.
  • Large-Area Open Rack-Drive Systems: Designed for maximum speed and accessibility, open-frame rack-driven machines handle oversized or batch-marking tasks efficiently, supporting customizable fixtures and multi-station setups.

20W fiber laser marking machines offer flexibility across both small-scale and industrial applications, allowing users to choose a model that best fits their marking area, automation needs, and production environment.
20W fiber laser marking machines are precision tools, and their cost varies based on configuration, automation level, and work area size. Here’s how 20W models differ:

  • Desktop Models ($1600–2000): Compact and stable, these are ideal for small workshops, jewelry engraving, or nameplate marking. Their fixed frame ensures accuracy and repeatability, making them the most popular entry-level choice.
  • Portable Models ($1600–2000): Similar in performance to desktops but easier to move between workstations or production lines. They suit businesses needing flexibility in marking different parts or materials across locations.
  • Handheld Units ($1800–2200): Designed for large or irregular surfaces, such as pipes or assembled machinery. Their ergonomic design allows direct marking without moving the workpiece.
  • Fully Enclosed Systems ($2300–2700): Equipped with safety shielding, fume extraction, and automatic doors, these machines meet higher safety and cleanliness standards, ideal for office or laboratory environments.
  • Flying Marking Machines ($2900–3300): Integrated into conveyor or production lines, they perform high-speed, continuous marking on moving parts—perfect for packaging, cables, or electronic components.
  • Large-Area Screw-Drive Systems ($6900–8500): Built for extreme precision across big marking fields, using ball-screw motion control for stable, micron-level accuracy—common in mold or automotive component marking.
  • Large-Area Open Rack-Drive Models ($7000–7500): Offer faster traversal speeds for large parts or sheet metal marking, with open-frame access for easy loading and customization.

20W fiber laser marking machines balance affordability with durability, making them a reliable option for small-scale metal engraving, industrial coding, and personalized product marking across multiple industries.
20W fiber laser marking machines are precision tools designed for high-speed, high-contrast engraving on metal and certain non-metal materials. The marking area defines the maximum workspace the laser can cover while maintaining optimal beam quality and focus accuracy. Here are the available marking areas and their performance characteristics:

  • 110×110 mm Marking Area: This is the standard configuration for 20W fiber laser marking machines. It offers a perfect balance between marking precision and beam density, ensuring sharp, detailed results on small to medium-sized items such as tools, nameplates, jewelry, electronic components, and hardware parts. The smaller field lens provides higher energy concentration, resulting in deeper or more defined markings.
  • 200×200 mm Marking Area: The extended field option increases the working space for larger products or batch marking. While the beam spot slightly enlarges due to lens characteristics, it remains highly precise for applications such as engraving large logos, QR codes, or multi-part fixtures. This configuration is ideal for industries handling larger components like automotive parts, panels, or metal enclosures.

20W fiber laser marking machines are typically available with marking areas of 110×110 mm and 200×200 mm, allowing users to select between ultra-fine precision for small parts and expanded coverage for larger materials. Both configurations maintain stable performance, excellent marking consistency, and long-term reliability across a wide range of applications.
20W fiber laser marking machines are precise and reliable tools, but like all high-energy laser systems, they must be operated safely to protect both the user and surrounding personnel. Here are the key safety considerations when using a 20W fiber laser marking machine:

  • Laser Radiation: 20W fiber lasers operate at a wavelength of 1064 nm, which is invisible infrared light. Direct or reflected exposure can cause serious eye injury. Therefore, operators should always wear laser safety glasses rated for the correct wavelength and optical density. Enclosed models or protective housings are highly recommended to block any scattered laser radiation.
  • Material Safety: Fiber lasers are ideal for marking metals and some plastics. However, users should avoid materials that release toxic gases when heated or vaporized—such as PVC or coated plastics. Proper air extraction and ventilation are critical for maintaining a safe workspace.
  • Electrical and Mechanical Safety: Ensure the machine is correctly grounded and installed on a stable surface. Operators should never open the laser source or optical components, as these are factory-sealed and can expose users to electrical and optical hazards.
  • Operational Safety: Follow the manufacturer’s guidelines for focus distance, power settings, and marking procedures. Never leave the laser unattended during operation, and ensure emergency stop buttons are accessible at all times.

20W fiber laser marking machines are safe to use when proper protective measures are in place. With correct eyewear, good ventilation, secure installation, and responsible handling, they provide a clean, non-contact, and efficient marking solution for industrial and commercial applications.
20W fiber laser marking machines are high-precision tools designed for fast, accurate, and permanent marking on metals and certain plastics. Their marking speed depends on several factors, including material type, marking depth, and pattern complexity. Here are the performance details:

  1. Maximum Scanning Speed: 20W fiber laser marking machines typically achieve a maximum scanning speed of up to 7000 mm/s. This is made possible by advanced galvanometer scanning systems, which rapidly direct the laser beam while maintaining accuracy and stability.
  2. Practical Marking Speed: For standard industrial applications, the effective marking speed usually ranges between 2000 mm/s and 4000 mm/s, depending on the marking density and required depth. Lighter surface marking and shallow engravings allow faster operation, while deeper markings or filled patterns may require slower speeds for higher energy concentration.
  3. Influencing Factors
  • Material Type: Metals like aluminum and stainless steel mark faster than harder alloys or coated materials.
  • Laser Focus and Lens Size: Smaller field lenses (e.g., 110×110 mm) support higher marking speeds with better precision.
  • Software Settings: Line spacing, fill pattern, and pulse frequency directly affect overall marking speed and quality.

20W fiber laser marking machines offer high-speed marking capabilities up to 7000 mm/s, with typical working speeds between 2000 mm/s and 4000 mm/s for clear, permanent, and precise engraving. They are ideal for marking serial numbers, barcodes, QR codes, and logos on metals, plastics, and coated materials efficiently and reliably.
20W fiber laser marking machines operate with remarkable quietness compared to many other types of industrial equipment. Their design eliminates most sources of mechanical noise, making them ideal for laboratory, office, or light manufacturing environments where a low-noise workspace is preferred.

  • Operational Noise Level: Fiber laser marking machines produce very minimal sound during operation, typically ranging from 45 to 60 decibels (dB) — about the same as a quiet conversation or office background noise. The primary noise sources are the cooling fan and galvo scanner movement, both of which generate soft, non-disruptive sounds.
  • Absence of Moving Parts: Unlike CNC routers, milling machines, or pneumatic engravers, fiber lasers have no direct-contact cutting tools, so there’s no vibration, grinding, or mechanical resonance. The beam performs the marking entirely through optical energy, ensuring clean and silent operation.
  • Enclosed Model Advantage: Fully enclosed or cabinet-style models further reduce acoustic emissions, containing fan noise and isolating any high-frequency tones from the galvo system. This makes them particularly suitable for use in research facilities, offices, and precision workshops.

20W fiber laser marking machines are extremely quiet, producing only 45–60 dB of low-level noise during operation. Their near-silent performance results from the absence of cutting friction and minimal mechanical motion, allowing users to work comfortably in shared or noise-sensitive environments without additional soundproofing.
20W fiber laser marking machines are reliable and efficient tools, but like any precision equipment, they may encounter certain problems during use. These issues usually arise from setup, environment, or maintenance factors rather than hardware defects. Here are the common problems users may experience:

  • Power Instability and Weak Marking: Inconsistent laser output may result in faint or uneven markings. This can occur due to fiber source aging, incorrect power settings, or dirty lenses. Ensuring a stable voltage supply and regularly cleaning the optical path can prevent these issues.
  • Focus Misalignment: If the marking appears blurry or out of shape, it often indicates incorrect focal distance. Over time, vibration or worktable adjustments can shift the lens position. Users should routinely check focus height using a focus gauge or auto-focus system.
  • Software and Communication Errors: Marking software (like EZCAD) may occasionally freeze or fail to communicate with the control card. These issues are commonly caused by USB instability, outdated drivers, or incorrect configuration files. Reinstalling drivers or using a shielded USB cable can help restore proper communication.
  • Overheating During Continuous Work: Extended high-power operation without sufficient cooling may cause galvo motor drift or laser source temperature rise, leading to unstable beam quality. Proper ventilation and periodic cooling system checks are essential for long-term reliability.
  • Material-Specific Issues: Improper parameter settings (speed, power, frequency) can cause burn marks, discoloration, or poor contrast, especially on coated or anodized materials. Testing and adjusting marking parameters for each material type ensures optimal results.

Common problems with 20W fiber laser marking machines include weak marking, focus errors, communication faults, overheating, and material incompatibility. Regular calibration, maintenance, and correct software configuration greatly reduce downtime and keep the machine running at full performance.
20W fiber laser marking machines are precision instruments that require regular maintenance to ensure long-term stability, marking accuracy, and consistent performance. Proper care helps extend the lifespan of the laser source, galvo head, and optical components. Here are the key maintenance practices:

  • Optical Path Maintenance: The lens system—especially the focusing lens and field lens—should be kept clean and free from dust or oil. Contaminants can scatter the laser beam, reducing marking quality and potentially damaging optics. Use non-contact lens paper and alcohol for gentle cleaning, and avoid touching the glass surface directly.
  • Cooling and Ventilation Checks: Although fiber lasers generate minimal heat, continuous operation can still warm the system. Ensure ventilation fans and air filters are unobstructed and cleaned regularly. In enclosed systems, verify that internal cooling air circulates freely to prevent the galvo motor from overheating.
  • Electrical and Software Maintenance: Inspect power cables and signal connectors for looseness or oxidation. Stable grounding is essential for consistent laser output. Keep marking software updated and back up configuration files to avoid data loss during upgrades or unexpected system errors.
  • Environmental Care: Place the machine in a dry, dust-free, and vibration-free environment. Excessive dust or humidity can degrade optical alignment and cause corrosion in connectors or circuit boards. Maintain ambient temperature between 15–30℃ for optimal operation.
  • Regular Calibration and Inspection: Check the focal height, beam alignment, and galvo calibration monthly, especially after moving the machine. Small misalignments can affect marking precision and speed. Periodic testing ensures the laser remains focused and well-centered.

To maintain 20W fiber laser marking machines, clean optical lenses, check ventilation, inspect cables, stabilize the environment, and calibrate regularly. Consistent maintenance prevents beam degradation, improves marking quality, and guarantees reliable operation for thousands of hours of industrial use.

Get Laser Marking Solutions

Whether you need precise part identification, durable product branding, or high-speed industrial traceability, our laser marking solutions are designed to meet your exact production needs. We offer a full range of laser marking systems—fiber, MOPA, CO2, and UV laser marking machines—each tailored for different materials and applications. From metals and plastics to ceramics and coated surfaces, our technology ensures clean, permanent, and high-contrast marks every time.
Our team provides customized marking solutions that integrate seamlessly into existing production lines, with options for automation, rotary marking, and multi-axis operation. We also offer free sample testing, technical support, and training, so you can be confident in your results before investing. Whether for small workshops or large-scale factories, we deliver reliable, cost-effective systems that boost productivity and traceability.
Let us help you find the ideal laser marking solution for your business — fast, precise, and built to last.
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